chapter 14 electrical and avionics systems · oct 2018 chapter 14 electrical and avionics systems...
TRANSCRIPT
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.i
CHAPTER 14
ELECTRICAL AND AVIONICS SYSTEMS
Section Title Page
14.000 Electrical and Avionics Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.114.600 Electrical Systems Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.1214.800 Avionics Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.2514.900 Upper Console Harness Plugs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4114.1000 IFR Trainer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.43
14.1010 IFR Trainer Component Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4314.1020 IFR Trainer Console Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4514.1030 IFR Trainer Component Location . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4614.1040 IFR Trainer Avionics Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.47
14.1100 R22 Mariner Avionics Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.60
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Page 14.ii Chapter 14 Electrical and Avionics Systems OCT 2018
CHAPTER 14
ELECTRICAL AND AVIONICS SYSTEMS
14.000 Electrical and Avionics Systems
Electrical System information has been moved to Chapter 33.
Avionics System information has been moved to Chapter 34.
[Pages 14.3 thru 14.11A have been deleted, are no longer effective, and should be discarded.]
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.1
Intentionally Blank
Page 14.2 Chapter 14 Electrical and Avionics Systems OCT 2018
Intentionally Blank
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.11B
FIGURE 14-1 ELECTRICAL SYSTEM SCHEMATIC (S/N 0001 thru 0077)(Impulse coupling ignition; 9/21/79 thru 12/1/80)
Page 14.12 Chapter 14 Electrical and Avionics Systems OCT 2018
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14.600 (cont'd)
12 V .D.C. BUS
128
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Page 14.18
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. ~ 58
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TAll u CHIP ~ WARN.
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MCCELR22
FIGURE 14-2K
M.R. GEARBOX OVERTEMP LIGHT ON 2 AMP WARNING LIGHT BREAKER
FIGURE 14-2L
M.R. GEARBOX OVERTEMP LIGHT ON 2 AMP WARNING LIGHT BREAKER
LOW VOLTAGE UNIT ON THE 2 AMP WARNING LIGHT BREAKER
FIGURE 14-2M
M.R. GEARBOX OVERTEMP LIGHT ON 2 AMP GAGES BREAKER
LOW VOLTAGE UNIT ON THE 2 AMP WARNING LIGHT BREAKER
Issued 5/22/87
ROBINSON MAINTENANCE MANUAL MCCELR22
A059-3 A059-2
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".!.P LICHT 71 5~~CA~~ 103 176 ~z 8 = ·•I 506 I Ly,l,y..l p I 91 98 or liHIT SWITCII 43-J.
-~+:.!LO!I!!CH!!T=J;l~24-41rlr-;-;'A~07~2~C~LO~C::.;Kh:..;--tt I ~~ "' ,_, .. , '" ""w" ·~p~ ~2 ... 1:<, 29 ·~~· 1 A" ~-'·- ~ LIGHTING,, . _lQLI n4
••• 168 Cil LT Cl 6 ·~BREAI:ER r~ - ,. • 'D51 L 99 ,' 'OIL ___ I '~E-TE-.R- ,129 .--- ri...:..:.";:_f---f, l: r- _ _r=;:::= ENG OIL FRESS. SENDER " v SPRING OJ ~6 PRESS. g· ~n 'il TERM. BLK ..... "l • .J-1+1-1-l~l-hl ~ L 15 GND 9 .,..cl..SJ LIGHT I~ T l~t~ r r~~ II fsELT TENSION 4 i' SWITCHES I c:=·-5
...._ 1 E !HAL ~if Cl·ll 02 J' ~ L..!-~!!,ATOR I _ _ . 10 ;:2!.:. _..., · t. --.~.;.!! 12 TJU':::.ERs"-l - ••• .t I lR 164 rlrl.:.:2a'*.._cl:..;-""ls'+---H-----. r-d:~2 03" 14 ,~ 572 fii , N
LD~ FUEL QTY ~H. LT
OIL of • AUX FUEL ~ 'f START~~ I l 164 Cl-34 I • T• ~ .!.£.,2 .... m...... IGI : g:N' <I 416 tlo I WAAHING LICHT CIRCUIT TEST SWITCHES • '
LlL _!!~ ~XI~:. QTY T ~ TERM.-~ BO 166 166 Cl-36 - 129 ::..-2
~~:4.-:< 29 tt574 H I L-'-' LOW FUEL LOW H.R.G.B. H.R.G.B. T.R.G.B. t ~ .......... 57
58 lL...,s. I. ;ys. QTY 1b ~ IG:frtoN ! s 584 584 Cl-ll TRAilSCEIVER
200 s 51a1Dl 1 , 1~ T .. lUJ ... ;1 ~ ~ ~ ~ ~ g ~ . .. . ' lo~ fUEL QTY ~AAN. LT
T !ME ~ElAY
~~;o ,.~:_MAIN4~:ELI ~:::~r.~A-----J JUHPERSI ~},~.~R6~~!,: ___ -+...J 16 Cl-12 TOCOII ~·- ~ A~~~ 176 ~:~ :t! I : 673 AUX FUE;~~~;: QT~Cil ;-~ElL 0~ 0~ i~~~p I I I 470 "' AVIONICS HAIN fUEL QTY SENDER 'I.; '--- 'i' '
~ 129 CASE GilD 129 Cl·l 9 S ..-'Li OPTIONAL -- , 'l.o' ••• L-----' --- GND-- l~~ SWITCII SAT 31 31 Cl-16 19 • ~~Er j . 52
L,1J_, 1 , ••• IP
44 569 ' I fl CIRCUIT 58 ' • -- --
c~~!~9~l~~~~~tt~~~~~~~~~~47~~~~~~~~~~~~~~~~~~~~~~[JEtlr~-~-~rn 1 1r~;;;;;;~~~~~[~-~~1io~~ IJ-rn D~~-= ~ (J; y 92 It-~ r WAANING LTS I I I II ""z CIRCUIT 470 2 - _JR[LEASEO - H.R.G.B.
............ • " ~ TERM. BLOCK I 1, BREAKER INST'L. ~;:t::t1~:t====== v--====::::~·
2
° aVERTEHP SWITC.H CLUTCH WARII. L T II 47 19 Cl-15 ,..... 471 : 3 I li'-J EIICAGED 36 TO OPTIOIIAI.rl, 513 l 1~08 f -" IS Cl-14 C~~~~~S(~g==;-, 576....(12 -._,..,
125 ATT HORIZON 21 514 J , ~- c r , , • COLLECTIVE
199 & DIR GYRO ~It· 45
AlTERIIA>OR 199 C2-l t l t l GOVERNOR
~ 46 l~======+~s::wi~T~CH~-fr~~r£t!f"tc-c-c-tr::: r - 11 o ~ 1 S~ITCH Cl=• 1 2 To ~uTR~oHALii1 666 I •l ~~~ ~~:~~ T~~~~~~o t~ ::-~ :: :: \JZ, 011
COORDINATOR~I·· TO OPT •• ....llL 576 II 9 I II.R.G.8 !25 C2·Zl AVIONICS ., 125 ls76 /'-'-' ':a: er~:~E~ 695 52 Cl-28 CIRC BKR 52 =-:......1' OfF
n ; 198 5 Cl-4
u: r 199 58 Cl-31
LOW VOLTAGE WARil. LT
(j: R 3
H.R.G.B. CIIIP WARN. LT
A604 CARS AIR
TEHP GAUGE
" . .,..,
""' I II
CjQ[fN 4
I 38 37
rrTil BLK 43 I•· I ::21 ., 1~ 65
I 131 BATTERY S~ITCII
UPPER CONSOlE GROUNDS
·•I
2 c1-1 ·1
1!1 tl-24 38 Cl-10 37 Cl-21
1£2
6S tl-33 65
I•·
LO~R CONSOLE GROUNDS
OUTSIDE AIR TlHP GAUGE
l f41
REO -- 4 • s• RED lSI -- I '-- --- ..._1:..;:4.:..1 --=-------.
ROTOR BRAKE f01\ WARNING l T p:.jl 434
115 1114
LANDING I ~4-!-;.' ,..----, LIGHTS I iii li J.::::lu9 hol RELAY /; 16 I ll2 I
as _J
Change 19: 30 JUN 99
58' 142
l 16 1 BLK 15CJDauTSIDE AIR L!::f-~ TEHP SEtiDER It• 141
--------, AI SA DIODE I AFT BATTERY
~ ~~ INSTALLATION 5~0 r:=::::=1
""' 6
1
6A780-7 , (IZ V)
I -"> 1 A780-2 BATIERY ~ 64
~;:·~~ i-1 ~1-~-~-~~-~-h~ i >
---~~-------------. 23 1111 BLUE r -- --,
507 (A94Z-l only) : Z I ORAIIGE 1 IS oll 1 RED I A942 I 199 .. I Y£11 ow l Al TERNATORI
! CONTROL
151 I UNIT PIN 16 FOR ACCEPTANCE 1611 WHITE , : TESTING DNLY 11 In • sLACK : __ ..J
-~1 L:tJ L--
I
: I
VERTICAL F IREW.'.t.l/ WIK 8UlliiEAD
*Ship S/N 2115 thru 2588; ships retrofitted with A569-5 low-rotor RPM warning unit having starter lock-out feature enabled (unit's 9-pin connector connected to airframe wiring). See Figure 14-2P if fuseblock is installed on aft side of left vertical firewall.
l-l.J
FIGURE 14-2N ELECTRICAL SYSTEM
SCHEMATIC*
Page 14.18A
I
I
I
ROBINSON MAINTENANCE MANUAL MODELR22
14 600 ELECTRICAL SYSTEM SCHEMATICS (cant' d) A059-3 HARNESS
ASSEMBLY (Console)
A059-2 HARNESS
ASSEMBLY (Cabin)
n l-:j4:-ll-::!'-69,._2_-lll1·
A039 RIGHT POSITION
C:~SE LIGHT
VERTICAl FIREWALL/ CABIN BULKHEAD
3 AMP 1? FUSE
I~ ~
RIGHT lAtiO. LT
@f .~
LAtiO. lT ":'
44
--;_OW Oil PRESSURE WARN. l T
587
NOSE BATTERY INSTALLATION
(12 V)
141
694 I -(j:: y 695
GoV "OFF" WARN. LT
47
T .R.G.B. CHIP WARN. l T
44
10
GROUND G
·II rs ORANGE 1,---11--1"-,'i--'~"'1;:.<91 _}
CONSOLE BLUE 690
10 ElT I : I :;=-=::; SWITCH 21 689 I I
1"----------:::-::=------:-;:;-----------, I ELEC~Al CE_N~CTOP -- 1-'-1 7'69,0_;--;,• ,..· -----------+----'WH""I:..:T.:;.E ____ .jj I .-------:6::-73?.(.!!N0o;;S:;.E.,;B,ATT;,:.:;.ER;,:Y~IN~ST;,.'~l)==--..
r r ~ 1'0 I T r--------------, 61 ·-- ~· 587 NOSE/DUAl BATTERY INST'L " RELAY
r--j....:WHGR::;EI~TEN::..E ___ ; !I..:::"L+t1+1
1 ~s8o1~((~~~:::1 N~TGE.!:.E,!..l_,1~I,:-'-I_1
'_· --------, L _ _;5:.::.!.~-+!:cc.!e1I:'-'!53-+---+---' J ENGINT~ 7
~1~~~~§·0ll~~====;=l-l 581 AFT DUAL BATTERY INST'L -' T "" '' 1
108 TO PITOT swiTCH t+:-'7~1l'J~-I--+=::'.::'T~O~H~E~AT~E~D~P~n~o~T"-'-~~s~e£z=t; YELLOW J 81(BlU£l I I I CI-IS :[~tR + 42
I I .±i A792 2 I I 80 ,l, C2-18 LL.n. ~
8-::::: f'., I ' 1
ENG~, TACH ORANGE I 01 ] 1Z 1 1 6 PRESS. SW. NC OOAL J-!:R.!.EO~:----L..;B,L-i-1 .!.
71'-----,;...---------,11 L ____ ,!;B141-+'~C£2•:.J1,!;6+--+ll:-11r-----------r---+--------, 591 7 ENGINE OIL ~NO c [
8 591 .__
\STARTER •I) AIIZ- 1
ASSY. BlUE HI I 83 1 (WHITE) 82 I I C1·17 " 6 585 "'
BROWN A 1491 I I 71 - C2-10 X 688 587 .--~"'-----11+-I-IN-4-Eoo::51-oi~t*oo-'1E tP '
1 P 1 1......, REo r1,, 70 IL-------;;.83"-iJ..4-1rc"'2"'-I"'5T""_~I~A-l.-----------tti--l---"e3.__, so " sl(wHITEl 2 EtuE
YEllOW/WHIT[ BlACK 2 87 l~====::;--~89~1jltC~2~-2~4:;-;:;-tlt1r-----------=ttt=t==~E9j 82(BLUE) 31 I 6l~ I TACH
SEtiDER •m 1£
1 lim~> nCu-
11
~ftt~±~~;iJLLk~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~8~~~o~u~N~~~l~G~T~,~~~R~m~ --;:m DUAl ,:..;J 1-'~"'R"':i:':N-'-', !,._-l-l-!7:;-t5 II· 1~ C2-7 163 I) 1 ,. 85(0RANGE)rJil RED ,---.,
TACHOMETER n toAi~~M ~ ..... _. 85 c2-2o 85
,, E~(•~ITEJI2 1 : BlUE 1 Ito• RPM ~2~N~~~ 76 --'-'-- WARNING REO n_-- 85 (ORANGE) 84 1 1 c2. 19 1 1 1
633 c.' B&(BLU£) Ji 1 HK I SENDER
LIGH_T___ / 78 r49! UNIT r=Y[EjjtL:Qoiw:::lp2[}::~1 :§:s4q:pjw~HI:IT~El.l.:.:... __ ij..r~~T~~~--nrt----' I 83 ~ WITH BLUE 3 P6 (BLUE) 86
1 : C2-21
1 : J 15 ~
CASE "' .__ __ ___)
·~. STROBE LIGHT
LANDING \ \
GEAR '\)
c~~ : J STARTERt~B>~O~""==b4~t6~3~1jt~~------~~--l63~3~Y~p~~i~:;~;i===~'~f~~~~~~~~~==ttti===i==============::::::::::~~~~==~,-~tt~~~~6~4 ;;;;;;~tt=hJr-~::~~l;b~4~~ - ~75 7B LOCKOUT GREY 51 1631 I J ..._ __ _:.7::..of-"'c2'--"-9+-+-'cotLECTIV~tswiTcH 1661 fss4 I 16 ENGINE LEFT
-LOW 1---"""\1 ~~:~~:E 1~1 63• ,----='---, 75 C2-!3 75 C ~ B049-10 HARNESS (llJ ~~OE~ SSTURPOPBLEY (Rr;;~EJ?DE I•
I STROBE lT I 76 C2-!4 ---- AND ljT1 108 HELICOPTER) CASE GND• ::.: :~
RPM ~ VIOlET 81 1633 j ,----..,Y-i-, (·7,-B;\ -60PT.) BO IN R ~nOU~Tl rT, o- ~ ~ R! Rl s~tTc_y_ 10o t2-4 76 FULL DOWN I 121 1 STARTING ["- :[ RfO 11 <, ~ "' W~~RINNG - L9.iJ r- - !01 c2• 3 <lf-----t.Jjj V!ERAIOR ,_ ; :JL; ~ ~~ A708-3 CABLE ASSY /. RIK 1 I.".. A708·3~ ~ d TAIL
8320 79 tl- -=~10~4=~H=~~~~2II==~~~~~~~~=~10~74c2~-ts=t=j=======ttttttti~~~, [====::~~=======!:t=~tt~ ~~~d~rr#f==i~~~~=::=====~c~IR~3~=~====~~o9 r-T, ''
118 L~' .__ ~ rtr~~~~Ri=====;~;;~~513 10 ~==:I==!~Oi4pC~2~-2~:::3E::::::::::::::E~:t~~l±f:~~:::}I0~7::::::::::::::::::~~==~=1=IO::::::::::::::::::::::::::::::::::::::::::::::::::::i:::~J!~!:~;·~I0~9=l;;;;;JJ;~~~========================~~=;~~~~~~~~~btiJI::~·~·•r-~~~' - j ----,~ J NAV LTS -- r---4---'~34~c:71-"_1;..,7+--+-------1f+l+-HHI+tt-h 34 34 ••• ,..CYL HEAD
694 ... I I lt!l"'L> 5771 SWITCH 513 10 ~ 0 TEMP I .. . I II CJ -8 CASE GND "'"SENDER ' '
693 8280-4 RELAY Ol~£'· 10 C!-7 11
;::;::!!tibENTGEJPll - ' •
'1[~::cj" ;Tl "' -~~· 1 •::;::: ~~~~~~ •• '~it, _db, '--'s"'s"-2~··!-'!---, I ~ · n" " ~ , ·;~~ .. ;~-;;;-j r-:~~l ~~ i!l~ :~; •· 122 ~~r);;/.-e··,. [~~;GE. ~~~~~~ II :: ~~:~; I !04 ~~ : ~::s ~~N ;...,.,i,i,4r----_-A_9-9::9::MA:·::T::::R::::::t~~44tt:: ... s"\ ... ~~4cf·t·ro-r":l~~-: ~!,· ~· '.,rAcH l.~s'tp .- - ]' ·121 1.'~3~r~R:~@i~ I ~-- i"' ~~G.~
_ t6~lJ OFF RADIO ENGINE CASE rr. - __ .J GEAR '" n 1¥9.0 p ( DISENGAGE I I 3e t2-35 , ~t 1 LAND LIGHT 583 RELAY RIGHT sw. GND I .: "' ~ : lion I 12 BLd l«lTOR CASE DETECTOR
1 11 ~ ~tj 1~ 1 -~ swmH ,_ ~~~ rr===1- MAGNETo ~~~- , 97 -- GNo 1.50RES 583 C2-6 1 ~21 '-m":1~ I•· ,rt TO r;Jl I _L:!...Pt (LEFT SIDE OF HELICOPTER) 1 98 .-J.
INSTRUMENT ClUSTER 125 soflRES ,., 127
~.AP liGHT 71 28
-'-'-'-.LI. rl 1
LJ#N. .-,, -=r-A617 or Bl44 ~4~1=6~:::;;::::=:_:::;-rt 200~~ 66 :~I ~:2::: t462 ~~~ i8~4~~~- fgJ CYCLIC r- 617336 ::2,: ~Ill~~-~ 51006 ,., r~ !354 1355 90 c ~ :~~~~t~~~CH]: ~
+ liGHT !24 (A072CLOCK\ :~: 127 C2-B ,, CIRCUIT SWITCH -21'7 29 IJII l A ., ~ 3 TEST
" ' < A"'- - ' 1r !~is r-E-H-1+'1'-"'0:...2_, ~1 1 ~ ~TO~_ NO ~SPRING SWITCH~$-~ NO __ 60
(1: Rl 57
f-olt ___ 2I~A~~.M~E-~TE~R.:::J-=~12~9~"t-~l~IG~H~T~III~G,=,Il~ ,.-lli-IIT54 ••• 168 SWITCHLT 9.rt't:..:l...;-6""-t--1h·-~BREAKER ~: n+\- rG-r. "K.r-r--
1 ENGOILPRESS.SENDERBEL/~~~510~ c 9al~llfiiPLuG _ 503
'6 PRESS. ' 13 TERM. BLK ... ~.d-1-MI+lf-h: I ,, ~. l IS CASE GND Cl·ll - GND LIGHT 1
" '::":'::"!oos:~~DIOD ,K' I i •• ~ <~ = lt.::tt:l 98
10'-<>S;.~· L. __ A . ., 12 TJEU_~:,IE,....a-~] 1- aor><:-g ~ LR !64 ,-..,pl,o.:28'-ft-"t""l-C!.!B'+--f-1f------, lr~ hov l4 d SJ2 IFil 11
~ ~· ;·j
0 AUX FUEL 1 - TER-M.,.._~
80166 I 1
16646
C!-34 I 'I ~ " ~ 573,.,.._ IG I ng: •I 416 1111 J WARNING LIGHT CIRCUIT TEST SWITCHES
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58 ~2~~0 ~~1ira ~},~:~~r.=t-----' IG~ftfoN ~ s ss4 584 ::~:: T.l~s~~~vER • ~~~II·· ~ A~~~ 176 .--~---:~~":1;_.,!:-RR-t:~;;~!, i ~~ '"' ~ "~~;.·"~·: :M ;;- ~: "1-;L ____ ..J:~ 10W FUEL QTY
WARN. l T
Lo~A~~:\ry --- 9GN'o-- 1.!~ swncH o-, sAT 11 3! c!-16 19 ~~OPTIONAL _ 11
~....... ~~ TIME DELAY 44 5~,. 129 CASE GND 129 Cl-19 r~~~~~~~~~~~,R~~---L~-:~--,-:sl.pl4q70 ~;0 ~r~~~:is MAIN FUEL QTY SENDER
58" if ••• ..__
Q~~~~~9~3:~~~~~~~.__~'-~~t:;l1~~,4~7~~f~~~~~~~~~~~~~~~~~~~=~l~1 ;--TERMINAl JWus 1 1 1
1 10 "" I t'J BREAKERs 31 rj1, ROToR sRAKE swncH 61 M.R.G.B. E 1 r··To06---, (C, 92 It- 1-"- wARNING us 1 1
1
~z tiRtUIT 470 2 LN09--'R£tEAsEo 5 nc : MAIN ROTOR 1
I~ +- TERM. BLOCK I L~B~RE~A~KE~R~IN~ST~'::L:... -~t::=t::~=====-.w-1-J O~VERTEHP w H I GEARSOl I
36 TO OPTIONAtri-:11:+-'5"'1;:..3 _ __, 60 I ./ 18 Cl·l4 LIGHT ......, , , r -2 r--1--------i---h COLLECTIVE o o C::UTtH w~KII. u ~~~~ [_4j47'-':J'-f-+-~ 19 cT-15 COMPASS!~ 576 471 .1~ I •c"" 1 EIIGAGED
1 "-~~E*E~T~R.HIP 1
199 125 :T~~~o~;~~N~II· ,I 198 ~ORo 199 t2-1 tpf 1 GOVERNOR r- lr- -~ 401 6_-y·l •• J 46 L~::=4=5====4-::sw~I~Tc~H~+']~l~"t~~1~-=-=1"':::-:-.:"'To RADIO ,....,.. : ~. o .21Z ,. SWITCH 1 • ~~
(, .. ; I 2 I TO OTUPTRINONAL[j, 666 204 C2-26 liGHTS LN -- J :!. "2'1 ON ,.. 5!3 C!-23 I I jl._
~R.G.B ~~~~~~~~~~~~~~~~~~~!c!oo~R!oJlM~T~oRlLiLi1
~6
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~6
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~~~~~~~1lt;l1
~~i!~~~~~::::~~~ 2 ~ 500
r~ OVERTEMP 125 C2-23 AVIONICS •·• ~ !25 TO ItS 643 IEL_/~-' ']::OFF 3 ~,;-:: WARN. lT 695 52 CJ-28 CIRC BKR -• -'<:.<...--!Ill• 52 14 •~.J
........... 198 n ; 5 Cl-4 -::::;:r 22 W£T· 4RNATOR (~(!;~~·! lj!299t::::::::::::::::::::-::__. J 5: Cl-31 . I ~ 13 SHUNT ..__ Cl-1 I 1iJ~
LOo VOLTAGE WARII. LT CA~:o:IR BLACK iTll 1 ,__7-:l~~~;.:.:...;:;;,=O;--+--'II Z3 ,.---..:3:..8-ir~T~li--f'h T[~~~ ~ ~ER 12 CJ-9 'I ~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~;~;;;;;~==1~~~~~3=9~ 2
ID __, 45
IJ:P 3 ~
M.R.G.B. CHIP WARN. lT
"'" 1 :~: 37 CONSOLE coNSOLE I 37 J'~tA:B AIR '"'" 4 lf't,l Bl< 43 "· I GROUNDS··II----!1;;:52'E'C;.;l·;-:;2;:.4 i---+-..!.1 ':.!"2'---I:I•·GROUNDS 'Ill ITAiiP - --~ TEHP SENDER
L_,_, I jl'1 •oiL....:.:...- 6 2 r.11 I I' 30 5 L.---------'3~8't';:C71-~2'f0i--+--------l ~==:-;:===lf---+-.J.I.I-4-:f-.(,F.';;US~Ei>-_.:.:A;;l5A3-iD~I=;OOE I AFT BATTERY
OUTSIDE AIR TEMP GAUGE
1 IJI BATTERY SWITCH 65 Cl 33 65 l!O 1 I I ~;;a;:::I!L~:-~t~-~t"'-i"::J~::::::::::~-, o21 ORANGE 1 f:! AlSO I
..-----viiS 114
tANDING Ill ~r::::::::::::=lRI'---.J liGHTS f-j.::lt! 9 RELAY 6 I Ill
103 58' 141
142
,-- 37 Cl- I L _______ _j::~2~3~ozlt+:::Q~BllliU~Ej,-[""----, .l.m.t.... -~68 INST(At12tAVT)!ON
1 14 RED -- 4 'ROTOR BRAKE,t.a ~.,-4"-'3"-4 --1:1•· "-
141 S07(A942-3only). I 18 11l' RED 1 A942 I " ! 580 ,...,.-~ - : A780
: sl RED !51 -- WARNING LT.'\'9 ~· ____ .....::4.!.n~c.!.l·:.;2;;.6.;.1--l-..:4:.c7!.1-, I L~=~~~~~~=~~IZ99tt•4!rj~tY~E~u~o~w~ ALTERNATOR I ~J· BATTERY , -2 1 l61 8LK !S~IJOUTSIDE AIR (UPPER CONSOLE) .l. CONTROL ( R CASE : RELAY ~ ll 64
--'z• '~"~' - -- ' .: m.:~'l:.:"'::I-IAN..:3c::.3E-ilt:'~l!l:tj-'~"'lA,1~"-:--IL:':_j l'ii/i~oo i ~~"g~~4-~~-~-~~-~-~i~~ ... ~ T
FIGURE 14-2P ELECTRICAL SYSTEM
SCHEMATIC* Rl I
L--..-J
Page 14.188 *Ship S/N 2589 and subsequent; ships retrofitted with fuseblock installed on aft side of left vertical firewall.
VERTICAL FIREWAll/ CABIN BULKHEAD
Change 19: 30 JUN 99
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.19
FIGURE 14-3 TACHOMETER & LOW RPM WARNING HORN SCHEMATIC
FIGURE 14-3A TACHOMETER & LOW RPM WARNING HORN SCHEMATIC (EARLIER SHIPS)
Page 14.20 Chapter 14 Electrical and Avionics Systems OCT 2018
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.20A
FIGURE 14-3B TACHOMETER & LOW RPM WARNING HORN SCHEMATIC (S/N 0002 THRU 0223)
Intentionally Blank
Page 14.20B Chapter 14 Electrical and Avionics Systems OCT 2018
ROBINSON MAINTENANCE MANUAL MOCELR22
14.600 ELECTRICAL SYSTEM SCHEMATICS (Cont'dl
+12V DC BUS BAR
TO BATTERY RELAY
TO TACH BUS BAR
~-- 4TL-1 I TOGGLE SWITCH
r- r ------, 1 DISENGAGE 1 I I I I 67
66
28 113
I -I
L __ CONSOLE
95
94
92
93
359843009335~2-~ WARNING LIGHT
(YELLOW)
583 TO MASTER RADIO RELAY
138 TO LANDING LIGHTS
r---: r---V-3--1-00_Z ___ l
_j OVERTRAVEL -- LIMIT SWITCH
....-----_j
139 96 L ,...--------'
98
1 2 3 4 r--- CONNECTOR 1 2 3 4
91 90 97 98
V3-1002 L V3-1002 V3-1002 MICRO SWITCH DOWN LIMIT ~ MICRO SWITCH
(SPRING SWITCH) SWITCH (SPRING SWITCH) -~ ~---- --COLUMN COLUMN
I SPRING SPRING
I
L __ 99 ACTUATOR ASSEMBLY
FIGURE 14-4 BELT TENSION ACTUATOR SCHEMATIC (WITHOUT TEST PLUG; SHOWN FULLY
DISENGAGED) Change 19: 30 JUN 99 Page 14.21
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ROBINSON MAINTENANCE MANUAL MODELR22
Intentionally blank.
Change 19: 30 JUN 99 Page 14.218
ROBINSON MAINTENANCE MANUAL MCCELR22
14.600 (cont'd)
12 V. DC LIGHT BUS t------t
POSITION LIGHTS .,..... __ 1;..;0;.;..7 __ _,
POST LIGHTS
DIMMER RHEOSTAT
In
I••
0.. _.1 ....... c:::( 0::: z: Il-l V')
::E 0::: 0::: wo 1-
-l< o::t
I \.0 .---l
" .---l
INSTRUMENT TRAINER
Terminal Block (After A/C 465) I 4 Pin Connector (A/C S/N 416-465) Terminal Strip (A/C S/N 350-396) j
396 HORIZON IND. I 1"+---- 351 NARCO 121 rl"'--- 354 KA 51
r--~1 353 KI525 A I ____ 35_0 K_T7_6A/_KT_78A_!
LIGHTING FOR ELECTRIC CLOCK A072
INTERNAL RADIO LIGHTING
t----1 t-\.O-o __ 1_2 4----+- LAMp COMMON ~---l!l, r-----' GROUND 68
CIRC. BRKR PANEL POST LIGHT
0... _.1 1-1
c:::( 0::: z: Il-l V')
::E 0::: 0::: wo 1-
-l< o::t
I \.0 .---l
" .---l 0 \.0
A617-l ENGINE INSTRUMENTS
CLUSTER
CONNECTOR SPLICES *604101-1 Prior to 1/84.
Page 14.22 FIGURE 14-5 INSTRUMENT LIGHTING SCHEMATIC Issued 5/22/87
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.23
FIGURE 14-5A NIGHT LIGHTING SCHEMATIC
Page 14.23A Chapter 14 Electrical and Avionics Systems OCT 2018
FIGURE 14-6 WIRING SCHEMATIC FOR SEARCHLIGHT
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.23B
FIGURE 14-6A PA SIREN WIRING SCHEMATIC
FIGURE 14-6B PA SIREN SYSTEM SCHEMATIC (WITH AUDIO CONTROL)
Page 14.23C Chapter 14 Electrical and Avionics Systems OCT 2018
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.23D
FIGURE 14-6C PA SIREN SYSTEM SCHEMATIC (WITH KING KX 155 OR KY 197)
Page 14.23E Chapter 14 Electrical and Avionics Systems OCT 2018
FIGURE 14-6D ATTITUDE GYRO AND DIRECTIONAL GYRO INSTALLATION
FIGURE 14-6E ATTITUDE GYRO AND DIRECTIONAL GYRO INSTALLATION (EARLIER SHIPS)
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.23F
Page 14.23G Chapter 14 Electrical and Avionics Systems OCT 2018
FIGURE 14-6F GOVERNOR SYSTEM SCHEMATIC
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.23H
FIGURE 14-6G ELT REMOTE SWITCH WIRING SCHEMATIC
14.700 Antenna Locations
This section has been moved to § 16-70.
Page 14.24 Chapter 14 Electrical and Avionics Systems OCT 2018
ROBINSON MAINTENANCE MANUAL MOCELR22
14.800 AVIONICS SCHEMATICS
Basic communications wiring common to all the COM radio configurations include: Pilot and Co-Pilot cyclic stick switches (Transmit and Intercom), and an overhead COM box housing Pilot and Co-Pilot headphone jacks and relays. The intercom system operates through installed COM radio or audio selector panel.
Change 15: 26 JUL 96 Page 14.25
1
22
ROBINSON MAINTENANCE MANUAL MOCEL R22
--
4.800 (cont'd) AIRFRAME GROUND
PILOT COPILOT JACK HEADPHONE HEADPHONE - PLUG
1 ~ .2r1-PLUG
'!. :2_1_ r
0TYP. 2 PLC'S. I LY )
JACK 2 212-~ TYP. 2 PLC'S. r .,
[~~~~-- L 4 3 1 ~ 1 2V . D. c. 204 <:.• 227 7 ·-s.--- BUS BAR I '"' 1
228 226 228 ~ ~0 TERMINAL BLOCK 9 224 209 "" 214 75 200 -~ 218 - . 209 ~
RELAY RELAY Gl 223 ~ 221
217 ~ \ iJ' I "AJ 216 206 206 225\ 215 __.:x
207--~ I A 222
'--'" I 219 I 2i5' I
~r ~~ ~ -220 216 216
215 220 205
223
PILOT CYCLIC STICK COPILOT CYCLIC STICK 222
TRANSMIT INTERCOM TRANSMIT INTERCOM S5101 0 SWITCH 223
r-fJ c. ~' TYP. 4 PLACES T ~- b. :-- ~
..__ 237
238
4 2 0 0 e@e 0 0
1 3
~v;,l 231 232 233 234 235 236
HOUSING PIN 6 REQ. HOUSING SOCKET 6 REQ.
1 2 3 4 5 6
219 FOOT
I 1 221 sw. ------1-- 2 -283
I 3 239 201 I 4 l I 5 ,--. ~ 211 I 6--- --'FOOT _ I SW.
-284 THESE WIRES COMMON FOR ALL HELICOPTERS.
FOR DETAILS OF INDIVIDUAL RADIO HOOK UPS, SEE
APPROPRIATE INS'L DWG.
FIGURE 14-8 INTERCOM SCHEMATIC
Page 14.26 Issued 5/22/87
ROBINSON MAINTENANCE MANUAL
14.800 (cont'd)
CO-PILOT CYCLIC STICK
TRANSMIT -,--
S51010L2W SWITCH
INTERCOM -,--
S51010L2W SWITCH
REMOVABLE CYCLIC
GRIP
~ 273 3: 3 274 4 1 4 275 1 I 1 276 2 I 2
:
277 278 279 280
/ TJ-120 .J \
JACK A781-1 CONNECTOR
PILOT CYCLIC STICK
TRANSMIT INTERCOM -...- -.--
,s~L-a~o. ,Spa-J .. ...-.o~·o· L------Jr-.. S51010L2W
SWITCH S51010L2W
SWITCH
I I
277 280 281 234 235 236
FIGURE 14-BA INTERCOM SCHEMATIC WITH REMOVABLE CYCLIC GRIP
8121-1 S\HTCH
-...-
I I
,~"")> I I 2
I I 1 -,
I
TJ-120 I
JACK
I 163
162
S51010L2W SWITCH
l 163
I_ 162
I
FIGURE 14-88 REMOTE CYCLIC SWITCH WIRING DIAGRAM (R22 MARINER)
Change 11: 7 AUG 92
MCOELR22
1 : 1 221 .......
2 1 2 219 3 I 3 2'39--t-4 I 4 223 >· 5 I 5 211 6 I 6 222 i
1 163
J I LU 2-PIN
CONNECTOR
~TO INTERCOM WIRING (SEE FIG. 14-8)
162
Page 14.26A
ROBINSON MAINTENANCE MANUAL
14.800 AVIONICS SCHEMATICS (cont1 d)
PILOT HEADPHONE
~ r~-l3- ~
br3-z-~r\-
228
U93A/U JACK (Typ. 2 places)
~ TJ-120 JACK 1~(Typ. 2 places)
~· 227 226
CO-PILOT HEADPHONE
9J r ~ ~- 2_ r, > 4-=l ~-=- :1
tl• ~
;--AIRFRAME GROUND
~ACK / f COM ANTENNA
J LK 225395-1 PLUG
TERMINAL BLOCK 12VDC D
... 212
204 ...
200 22 '"tf It 9 224 j( 209
AIRF GRO
218 RAME 223 217 UNO __..>
rv • 216 225 '\ ~
~IP 215
222 2~ 216 FW-1111-000
RELAY 215 (Typ. 2 places) 220 r;ril
222 13 131
223 1414
1
8227-2 SWITCH 1212' (Typ. 4 places) ---
CO-PILOT CYCLIC STICK PILOT CYCLIC STICK TRANSMIT INTERCOM TRANSMIT INTERCOM
... JJ~ILP- ..sO:!LP '~~- ~Cf.ILP-/ L--J\ ..____ 1---
S51010L2H SWITCH
(Typ. 4
places)
...._
I 273 G'3 277 274 4 1 4 278 275 1 I 1 279 276 2 1 2 280
L.1_ / TJ-120 I \
JACK .__J A781-l CONNECTOR
fr1) 209 221
!414J _.>
206 lf121 ~ I 206 _C
--~ ~~313: :I 207
]I~ r-- ..........
277 280 281 234 235 236
216
205
221
603 219 vv 283
lrTlJ,. .... J . ...-v J 604 21 'z
3 I 13 I 239 201 41 I 14 _.J 605 -.t s1
1 's ---="-/ 211 6; 16----, AIRFRAME -' L, .L\ I GROUND
284
8263-19 HOUSING I 8263-2 SOCKET (3 Req'd) 8263-4 SOCKET (3 Req'd)
8263-18 HOUSING 8263-1 PIN (6 Req'd)
@4@oo ~ ~ 0
FIGURE 14-SC 1 3
HEADPHONE COM BOX JACK _____......-
INTERCOM SCHEMATIC WITH HOT MIC SWITCH
MOCELR22
TO RADIOS
-
8300-2 SWITCH
~I 605
-).--~\ HOT MIC
604 '"' I (Y/
I PTT cr MIC
603
~ M8805/55-SWITCH
001
~ C'-- N.O.
FOOT-OPERA TED INTERCOM
NOTE THESE WIRES COMMON TO ALL HELICOPTERS. FOR DETAILS OF INDIVIDUAL RADIO HOOK-UPS, SEE APPROPRIATE INST'L DRAWING.
Page 14.268 Change 19: 30 JUN 99
0 :::;
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(_
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8338
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ICS
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ND
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2 f-
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M AU
DIO
HI
3 1
--CO
M M
IC K
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15
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AUDI
O LO
16
1
--IC
S KE
Y 25
-
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ILOT
X'M
IT K
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19
,...
--PI
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X' M
IT K
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17
f--
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. M
IC H
I 6
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. AU
DIO
HI
7 f-
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LO
20
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T M
IC H
I 4
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T AU
DIO
HI
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MIC
LO
18
f--
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. PA
SS M
IC H
I 10
f-
-L.
R.
PASS
AUD
IO H
I 11
f-
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R.
PASS
MIC
LO
23
f--
R.R
. PA
SS M
IC H
I 8
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. PA
SS A
UDIO
HI
9 f-
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.R.
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21
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O HI
f-
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D I I
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" 65
7 (B
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1
I 65
6 (O
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1 I
655
(WHI
TE)
u 60
3..
...-
--./
~
604
605 fl
65
2 (B
LUE)
II
651
(WHI
TE)
u r, 65
4 (B
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II
653
(WHI
TE)
l1
603
239
~ r-
1-r::
. L
rT,
275
I 11
I
279
276
: 2 I
I 28
0
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: 27
7 27
4 I 4
I
I 27
8 ....
.......
685
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<T
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-
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'l~
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1-~,;;
.,::'"
j L
.:'N
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228
t <
- ....--
--
1-
1/
284
1-"'
-~R
FR
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NCY
1--
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SE
LECT
~
1\ 235
CO-P
ILOT
HE
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ONE
'l~
r ,
(:=. N
M
""
" -1
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( 1-
· tj\
228
FLOO
R IN
TERC
OM
~
283
CHAN
NEL
SELE
CT
r t1
1358
93
8 )
939
279
281
234
236
278
-1
)~
938
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./il
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..
GROU
ND ""-
£\
2253
98-1
L ~
BEND
IX/K
ING
212
,......
KY 1
97A
0550
4-00
00
Yl
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TRAN
SCEI
VER
COM
JACK
~h
-:::-~
ANTE
NNA
ANTE
NNA
L~225395-1
,...
- K
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RCOM
AUD
IO
PLUG
I-- 7
SHIE
LD G
ND
1358
I--
I L
RE
M IN
C
:~ I
-- I
LIGH
TING
LO
I ~l
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I 15
PW
R GN
D
~~ f--
I 60
1805
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s TE
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--
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A05
9-20
1 I--
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F PW
R GN
D 26
7 t-
-
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' ~~
11
SW P
OWER
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, •
AIRF
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E I--
1 -.
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GROU
ND
M
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DC
2~ f--
13
BUS
1---
BAR
p SW
POW
ER
2~ 1
---
14
POW
ER
A05
9-20
0 f-- R
POW
ER
A05
9-20
4 I-- B
LIGH
TING
HI
939
1---
12
REMO
TE X
'FER
t--
657
(BLU
E) ~r
8 SH
IELD
GND
~
MIC
HI
656
(ORA
NGE)
j
1 t-
- H
AUDI
O HI
65
5 (W
HITE
) I
I t-
- 9 M
IC K
EY
, ....
1--
PILO
T CY
CLIC
STI
CK
TRAN
SMIT
AND
INT
ERCO
M
®C
Dr--
FIGU
RE
14-8
0 23
6 6
(D
IN
TERC
OM S
CHEM
ATIC
WIT
H lCD
CD
NAT
AA
S0-0
20 (
B33
8-l*
)
( IC
S CO
NTRO
L (S
hip
S/N
29
67
and
on)
*RHC
par
t no
.
D
0 m
- 2 m
0 2 s: J> - z -1 m
z J> z n
m
s: J> z c J> r s: 0 D m
r D ro ro
ROBINSON MAINTENANCE MANUAL MOCELR22
14.800 AVIONICS SCHEMATICS (cont'd)
PILOT'S HEADPHONE CO-PILOT'S HEADPHONE
8263-15 HOUSING 8263-2 SOCKET(3 req.)
B263-19 CONNECTOR
STICK SIDE OF CONNECTOR
r,_ __ _,A'---....,.,
TO DUAL
AUDIO CONTROL
UNIT
Page 14.260
193
195 542 543 544
545
239
AIRFRAME _ GROUND • (A365-1 ANGLE)
542
8263-35 HOUSING B263-2 SOCKET (3 req.)
543 544
FIGURE 14-8E
545
DUAL AUDIO CONTROL INTERCOM SCHEMATIC (For R22s with AIR COMM ACS 300* Dual Audio Control)
*RHC part no. A692-3.
Change 21: JUN 2000
ROBINSON MAINTENANCE MANUAL MODELR22
14.800 AVIONICS SCHEMATICS (cont'd)
STICK SIDE OF CONNECTOR B263-19
CONNECTOR r,---..JA'----..,
TO 685
DUAL 605 AUDIO 954 (BLUE)
CONTROL UNIT 653 (WHITE)
652 (BLUE) 651 (WHITE)
AIRFRAME GROUND
(A365-l ANGLE)
Change 21: JUN 2000
II) 0.0 M M N C\J
239
-
PILOT 1 S HEADPHONE CO-PILOT 1S HEADPHONE
FOOT S~HTCH
U93A/U PLUG
!,lrJ-!20\ 2 -1 / JACK ""1 1~ L 2
654 653 652
FIGURE 14-BF
4
651
DUAL AUDIO CONTROL INTERCOM SCHEMATIC (For R22s with AIR COMM ACS 300* Dual Audio Control with NAT AAB0-020** ICS Control; Ship S/N 2967 and on.)
*RHC part no. A692-3. **RHC part no. 8338-1. Page 14.26E
ROBINSON MAINTENANCE MANUAL MCDELR22
14.800 AVIONICS SCHEMATICS (cont'd)
+14VDC
MIC HI
XMIT KEY
ICS KEY
HD PH AUDIO
GROUND
COM MIG HI
COM KEY
COM AUDIO
INPUT 1 MIG HI
KEY
AUDIO
INPUT 2 MIG
KEY
AUDIO
INPUT 3 MIG
KEY
AUDIO
PA MIG
PA KEY
HOT ICS KEY LITE DIM
PWR GND
Page 14.26F
211
..--~2;.:;.;06::;._ (TO COM BOX) 207
...
(TO COM BOX) --A687--,
PA/SIREN I CONTROLLER I
-;;.:-1;-~;-·1 CO-PILOT HEADSET _____ J
1 } ...__,....,... __ --i~-P-: ---- UNIT NO. 1
I } 1--~---T-~ _,.l_____ UNIT NO. 2
l----1r-t------l~-~"'-: ---- } UNIT NO. 3
7 B263-19 HOUSING
H 9 KX 155/165 NAX/COM 'I_- .::!2A~C~~-"'-- KX 155/165
KY 197A
420 } 1--~1+-_4:.::.2.:..1 ------- PA/SIREN CONTROL
186 1----___.;;..;;..;;... ___ JUMPER TO 204 WIRE
187 (IN BACK OF RADIOS)
FIGURE 14-BG
SINGLE AUDIO CONTROL SCHEMATIC AIR COMM ACS 775 SL (A692-2*)
(Ship S/N 2967 and on)
*RHC part no.
Change 21: JUN 2000
ROBINSON MAINTENANCE MANUAL MOCELR22
14.800 AVIONICS SCHEMATICS (cont'd)
AIR COMM ACS 775 SL ( A692 -2*)
SINGLE AUDIO CONTROL 1--
+14VDC 1 1--
MIC HI 2 .... ,
1--I I
XMIT KEY 3 I I . 1-- I I res KEY 4
I I 1--HD PH AUDIO 5 I I
1-- .... GROUND 6 -
- i\ COM MIC HI 7 - ~ : COM KEY 8 \ I - l' COM AUDIO 9
l --t--
INPUT 1 MIC HI 10 ,.
f-- I I
KEY 11 I I
f-- I, AUDIO 12
I f--
f--INPUT 2 MIC 13
f--I I I ~
KEY 14 t-- ,r
AUDIO 15 t-- I I--
INPUT 3 MIC 16 f-- I I
KEY 17 I I
t-- ,I AUDIO 18
I f--
1--PA MIC 19
,l 1--PA KEY 20
1--21
1--
1--HOT ICS KEY 34
1--LITE DIM 36
1--PWR GND 37
1--
Change 21: JUN 2000
NAT AAS0-020 (8338-1*) 2 ICS CONTROL
I 644 ,...---950 1 POWER IN 952 (BLUE) 1--
954 (WHITE) 1 1--- 2 COM MIC HI .. II 1--
r II 3 COM AUDIO HI
953 (ORANGE) 1--15 COM MIC KEY
L 1--16 COM AUDIO LO
I....- -657 - J 2 BENDIX/KING
I I KY 197 COM TRANSCEIVER 655 I I 9 6 \_1 OR 656 -
.._I H 9 KX 155/165 NAX/COM
~ .:_~c::'~--1
} UNIT NO.
KX 155/165 I I 1 I I
·-KY 197A
I } UNIT NO. 2
I I I I
-
I } UNIT NO. I ~ 3
,_,
420
]. PA/SIREN CONTROL 421
FIGURE 14-BH 186 JUMPER TO 204 WIRE
951 (IN BACK OF RADIOS)
.1 SINGLE AUDIO CONTROL SCHEMATIC AIR COMM ACS 775 SL (A692-2*)
with NAT AAB0-020 (8338-1*) ICS
CONTROL (Ship S/N 2967 and on)
*RHC part no.
Page 14.26G
ROBINSON MAINTENANCE MANUAL MODELR22
14.800 AVIONICS SCHEMATICS (cont'd)
N.A.T. AA12-004
SINGLE AUDIO CONTROL
+14V DC
POWER GROUND
12V LIGHTING
LIGHT GND
PILOT TX KEY
PILOT MIC HI
PILOT HEADSET AUDIO
P !LOT AUDIO LO
CO-PILOT TX KEY
CO-PILOT MIC HI
CO- PILOT H/S AUD
CO-P !LOT /PAX AUD LO
res KEY
PA KEY
PA MIC HI
PA MIC LO
COMM 3 KEY
COMM 3 MIC HI
COMM 3 RECEIVER
COMM 3 LO
COMM 2 KEY
COMM 2 MIC HI
COMM 2 RECEIVER
COMM 2 LO
COMM 1 KEY
COMM 1 MIC HI
COMM 1 RECEIVER
COMM 1 LO
NAV RECEIVER HI
NAV RECEIVER LO
ADF RECEIVER HI
ADF RECEIVER LO
DB-25S
INTERCOM INSTALLATION---..;-- - - - - - -1
/
DB-25P I I 11 1CS"
~ I I Ll I 2 ~ ~ I ''I 14~~~--------~~----------------------------------~~.... 1
5 , 204 JUMPER TO 204 WIRE AT I f--lu COI'.M OR TRANSPONDER 1 11 267 I
- ! I 171------------~60~5~----------------------------------~- PILOT TRANSMIT KEY I
- ,-.. 654 (BLUE) ;
+1----:H'------..::6~53:...(~.:: iW:.!;H l~T!;JE) _______________________________ hl- } PILOT HEADSET I iB__j' 1 I ~ I I .-- 604 I ~ I CO-PILOT TRANSMIT KEY I
,-.. 652 (BLUE) +l---f-1:------..::6::!.!51:....l!:( W:.=:HI::!:T.!...E )------------------------------....:.., -- } CO-PILOT HEADSET I ~L_y· ,-------_j I ~ 422 I 685 PILOT PTT I
f- - l ~ 603 : -::::::::: 603
CO-P !LOT PTT I L ____________ _
- ..... ~II ~' .... .~ 19~ -
421 (WHITE)
420 (BLUE)
, • 7
X -11
I j -
ACS-836 PA CONTROL HEAD
(OPTIONAL)
Lf L~~------------~
~ II ,------~
..!. I I I I 9~r-----------------------------~'~-- I 21 _)~
- I OPTIONAL I TRANSCEIVERS
f-- I I 22 , ....
~II I I f-- : I I
*~ ~ ~i _______ _j ~ :: r-- - r~~~~,-------------------~ 24
" 655 (WHITE) ("\ 9 6 f-- j 1 657 (BLUE) I I f- f-- KY 197A COMM TRANSCEIVER 12 ~---J..------=~:::::.=.!....--____________________ --t-+--1 J 2 or
~~ 656 (ORANGE) ~{_~~>KX 155 NAX/COMM TRANSCEIVER
~ ~ ~ FOR KX 155 NAV/COMM; .----1 L OMIT "246" JUMPER WIRE
f-- ,..,. 684 (WITH KX 155 ONLY) .l. -- IF INSTALLED. 4 ! -....... - .... ~ 10
~~ ~~------------------J f-- ,.... ,--------,
fsLT' l I 2 ,.... I OPTIONAL I - _r II RECEIVERS I ~---;._ I I
MARKER RECEIVER HI
DME/MARKER LO
DME RECEIVER HI 1 ~ ......_ _____ __.___, FIGURE 14-81 L_----- _)
Page 14.26H NAT AA12-004 SINGLE AUDIO CONTROL SCHEMATIC
(Ship S/N 2967 and on) Change 21: JUN 2000
ROBINSON MAINTENANCE MANUAL MODELR22
14.800 AVIONICS SCHEMATICS (cont'd)
AIR COMM ACS 300 CA692-3*) DUAL AUDIO CONTROL
+14 VDC
CO-PILOT MJC HI
CO-PILOT XMIT KEY
CO-PILOT ICS KEY
CO-PILOT AUDIO
PILOT MIC HI
PILOT XMIT KEY
PILOT ICS KEY
PILOT AUDIO
COM MIC HI
COM KEY
COM AUDIO
INPUT 1 MIC
KEY
AUDIO
INPUT 2 14IC
KEY
AUDIO
INPUT 3 MIC
KEY
AUDIO
PA MIC HI
PA KEY
SHIELD GND
- 189 1 ~----~~------~ 5
-21-!';..·-,..~5~4~5----;~:;::====::;., r-r• ~ 4 - -, 3 .,_1 __ !_1___;1;.;.9.;;.1 __ --1 2 I - I 2 I I 3 TJ-120 JACK I
BASE OF t I 1 I I 41---__:1;.;.9.;;.,0 __ ---i~ CYCLIC ! 1
1 1 I I 2 I 7 1 j 544 (BLUE) /'----' l'i' 1 3 ! 1 ........... l (CO-PILOT HEADSET):
-- >;l~T / :.... J....J ------8263-19 HOUSING
- ,. ·, 543 (WHITE) "- 228 ..-.-------, 6 ,.. r-r., ~ 4
- ! ! 195 ' 1-"' 121 I ....... TJ-120 JACK I 7 1-----':.=----t 6 ~Ck-.f.-.!;.-1-44--1 3 I
7..,_ ___ !.;19:.;:3 __ ~r-;- Bt/iL r0( I I : 1 j l '"2 I
g: ~ ~! 542 (BLUE) '---------..J flt J 3 : ! 1........._ ~ (PILOT HEADSET) :
i-- 6161-2 l-.&...-' ----- _, i- SPLICE J 117 A687
~ ( : 206 r I ,I L. 7 .__c_6_~~-~-6~-~-~R__. r-r...._J -+-2-4 -BEND-I X/_K_ IN;- - : ll I 207 1 1 I _ KY 197A COM TRANSCEIVER I
- '-' '-' 9 6 OR 12 , 209 - H 9 KX 155/165 NAV/COI4 I = 'I J. } L-, _ _!R~s~I~~ _ J
~~~==::::~~~~~~~:~:a...:~~~~~~~~- UNIT NO. 1 ""--- KX 155/165
- I, ·-15~--~----------- I :: :===~:-::1·======~~=~=! =========) UNIT NO. 2
KY 197 A
,_,
22r--~-4~2;.;.0 _______ }
i-- Jl 421 PA/SIREN CONTROL ~...._-lf~~~~~--------
24 -- FIGURE 14-BJ -
LITE DIM 36 1------ JUMPER TO 204 WIRE AIR COMM ASC 300 (A692-3*) DUAL AUDIO CONTROL SCHEMATIC PWR GND -;;- (IN BACK OF RADIOS)
'-----_____.- _j_ *RHC part no.
Change 21 : JUN 2000 Page 14.261
I I
I
ROBINSON MAINTENANCE MANUAL MODELR22
14.800 AVIONICS SCHEMATICS (cont'd)
AIR COMM ACS 300 (A692-3*) DUAL AUDIO CONTROL
----+14 VDC 1 -CO-PILOT MIC HI 2 -CO-PILOT XMIT KEY 3 -CO-PILOT ICS KEY 4
1--CO-PILOT AUDIO 5
1--
1---PILOT MIC HI 6
1--PILOT XMIT KEY 7
1--PILOT ICS KEY 8
~ PILOT AUDIO 9
~
f--COM MIC HI 10
~ COM KEY 11
~ COM AUDIO 12
~
-INPUT 1 MIC 13
f--KEY 14
f--AUDIO 15
~
~
INPUT 2 MIC 16 ~
KEY 17 1---
AUDIO 18 1--
~
INPUT 3 MIC 19 1---
KEY 20 f--
AUDIO 21 1---
~
PA MIC HI 22 1---
PA KEY 23 1---
SHIELD GND 24 1--
1---
1---LITE DIM 36
1--PWR GND 37
1--
Page 14.26J
,-, I !
I . I ·r , .. ,
! I
.--. j j
L-1~' 8161-~,1 SPLICE
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643
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652 (WHITE)
604
603
651 (BLUE)
654 (WHITE)
605
685
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657 -655
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1 ~ : ,_.
420
421
186
- 5 r-r,~
I - 1 2l I 2 BASE OF ~ i : 1 ; ; !"""-- CYCLIC 1 1f I 'j' I 3! I ...........
/ -..!.....J
4 1--
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TJ-120 JA
---, CK I
I (CO-PILOT HE ADSET):
I ~'------
B263-21 HOUSING
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228 ~r--- --I r- r- .., r--'-'- 4 ': , ... I 2 I I ~ TJ-120 JA 3
---, CK I
I BASE OF Jl:d i CYCLIC ~
2 (PILOT HEA llr ,3: ! ............ ~ 1
DSET) : I
L-.L.~ A687
PA/SIREN
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H
} UNIT NO. 1
} UNIT NO. 2
} UNIT NO. 3
} PA/SIREN CONTROl
2
6
9
-------~
----BENDIX/KING
---, CEIVER: KY 197 A COM TRANS
OR KX 155/165 NAV
-~T~N~E.!_I!E
KX 155/165
/COM jl R .
KY 197A
JUMPER TO 204 WIRE FIGURE 14-BK
(IN BACK OF RADIOS) AIR COMM ACS 300 (A692-3* ) DUAL AUDIO CONTROL SCHEMAT IC
(For R22s w1th NAT AAB0-020 [8338-1*] ICS Control: Ship S/N 2967 and on.)
*RHC part no. Change 21: JUN 2000
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UDIO
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UDIO
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ROBINSON MAINTENANCE MANUAL MODELR22
INTENTIONALLY BLANK
Page 14.26L Change 22: MAR 2004
ROBINSON MAINTENANCE MANUAL MOCELR22
14.800 (cont'd) KING KY 197 COM TRANSCEIVER KING KY 197A COM TRANSCEIVER~~
269 "" ~ k--- --,
J 209 H B I PHONES
#269 WIRE HOOK-UP TO AUDIO ADF 272 I TO NAV UN IT· PIN 2 - - -- - - - 7 2 IF KING KN53 INSTALL- (IF INSTALLED) ED, PIN 36 IF NARCO 206 r' J c MIKE AUDIO I NAV 121 IS INSTALLED
211
207 COt~MON SHIELD~
\~ITH MIKE AUDIO
TO CONSOLE LIGHTS ___ .::...;5 7...:1:..__ ___ -1 TERMINAL BLOCK
(SEE FIG. 14-8 FOR WIRING INST'L)
KING KY197 COM TRANSCEIVER
POLARIZING KEY CONNECTORS
200
205
~"'""""" lo==:::#llol l2l456789l0
KING KY 197 COM TRANSCEIVER
POLARIZING KEY
"' ~ B C ~ E F~H J K l M fl P R S
I o II ?:QDD::~:::# II o I l Z l 4 5 6 7 8 9 lO ll lZ ll l4 lS
KING KY 197A COM TRANSCEIVER
FRONT VIEW-CONNECTORS (LOOKING IN FROM FRONT OF RACK)
201
212
FIGURE 14-9 KING KY197/197A COM TRANSCEIVER
Change 9: 5 JUL 90
K 0 INTERCOM AUDIO I 9 4 MIKE KEY
3
K POWER
9 POWER
J SW POWER
8
F
6 SW POWER
A POWER GROUND
1
L
10 POWER GROUND
KING KY 197 COM TRANSCEIVER
COM ANTENNA ____ _J
Page 14.27
ROBINSON MAINTENANCE MANUAL
14.800 (cont'd)
SEE FIG. 14-8 FOR WIRING INS'L
HOOK UP TO PIN 2
204
211
207
206
200
201
212
TYPE 247E-4n-5~6 10-WATT RESISTOR
WHEN KING KN 53 IS 269 INSTALLED, PIN 36 -~,._- ---..::..=..:~--+-------,;:~ WHEN NARCO NAV121 IS INSTALLED.
Page 14.28
209
205
202
FRONT VIEH - CONNECTOR (LOOKING IN FROM FRONT OF RACK)
FIGURE 14-10 KING KY92 COM TRANSCEIVER
MOCELR22
KING KY 92 COt~ TRANSCEIVER ---,
corv1 ANTENNA I
SPEAKER
GROUND
XMIT KEY
LIGHTS
I I I I I I I I I
MIKE AUDIO l
I XMIT AUDIO I
POWER
POWER
GROUND
GROUND
I I I I
AUX. 500 ~ I AUDIO I
PHONES PREAMP OUT
AUDIO IN SW POWER
SW POWER
SW POWER
SW POWER
GROUND
I I I I I I I I I I
___ _j
Issued 5/22/87
ROBINSON MAINTENANCE MANUAL MOCELR22
14.800 (cont'd)
P401 r-----I DATA BUS
,-, 435 ' ,
I CLOCK BUS ,.I, 436 ' 1
I ,I, 437 TO DME INST'L NAV REQUEST
' (IF INSTALLED}
I COMMON 438
I 267
I COM AUDIO HI , ' 209 TO A060 WIRING 'x'
I NAV AUDIO HI , \ 272 (ADF INST'L) ' I 269 (KN 53 INST'L 267
I COM AUDIO LO
I NAV AUDIO LO 267 206
I COM MIC AUDIO , \
I I
COM MIC KEY I I 207 \ I
INTERCOM MIC ,"r, 211 \ I
POWER IN 200 TO A060 WIRING
POWER IN A448-4 AVIONICS
267 BUS Bft.R REF.
A/C GROUND
A/C GROUND 201
SH POHER OUT 205
SW POWER IN
SW POWER IN
SW POWER OUT 556
TO VOR INDICATOR
ILS ENERGIZE 252
VOR/LOC OUT 251
r 240 TO NAV ANTENNA
I NAV ANT REAR CONNECTOR
I (VIE\4ED FROM FRONT
I 212 TO COt1 OF UNIT)
PBOl 0 I
ANTENNA (TxlTO POLARIZING KEY
COM ANT L ____ P401
FIGURE 14-lOA KING KX155 VHF NAV COM TRANSCEIVER
Change 9: 5 JUL 90 Page 14.28A
ROBINSON MAINTENANCE MANUAL MOOELR22
This page intentionally left blank.
Page 14.28B Change 9: 5 JUL 90
ROBINSON MAINTENANCE MANUAL MOCEL R22
14.800 (cont'd) 212 REF.
211 REF. n-----t ANTENNA i
....._ __ ___, CONNECT .1
~ GROUND SHIELDS OF WI RES 209 & 211
r-0 0
" z C>
i < .., 1"1 :II ~
i I
TO PIN #2 OF RADIO.
SEE FIG. 14-8 FOR WIRING INST' L.
~ 8 z z NAV HOOK-UP: ... z
~ ~ HOOK UP TO -: g PIN 2 ON KING g KN 53 OR PIN .
36 ON NARCO NAV 121.
206 REF. .-'\ I
209 REF. I I
200 REF.
205 Ref.
204 REF.
269 REF.
COMMON SHIELD ~ \liTH MIKE AUDIO ~
207 REF .I \
201 REF.
21 o-~e 1. SK.n
*Installed in Earlier Ship S/N.
FIGURE 14-11 NARCO COM 120 TRANSCEIVER
Issued 5/22/87
15
J401B
I I I I I I I I
I4 VDC INPUT I SW.A+ OUT
LIGHTS
J401A
MIKE KEY
PHONES
GROUND
GROUND
I I I I I I I I I I I I I I I I I I
___ _j
NARCO 120 COM TRANSCEIVER
Page 14.29
ROBINSON MAINTENANCE MANUAL
14.800 (cont'd)
- oc 0
00 ... ... -oO N .., ... oOJ ... • ... log ... ., ... lo ... oD ... ... o• ....
~ - o• ... .... •• ... GO
CD c oo N - ao "' - .... - 0 c ...
loa ... - -... ... - Oa ... .... ... - Oo .., .., ... oo .., -
~ ..,
•a ... ... o • ... - ~ ... CD oo ... - ... ... • -~
0
FRONT VIE~-CONNECTOR (LOOKING IN FROM
FRONT OF UNIT)
271 * or 527
AIR FRAME GROUND REF. /~ = =
A448-4
UNIT GROUND THRU REAR SUPPORT STUD
268* or 267
AVIONICS BUS
268* or 267
270* or 526
WIRE #243/269 COM HOOK-UP COM UNIT CORE PIN King Ky 92 King KY 197 King KX 155/
KX 165 Narco Com 120 Narco Com 810
Page 14.30
J B
9(P401) 7 3
SHIELD PIN 5 2
K(P401) 2 7
243** or 269 ,-) ..
242** TO NAV ANTENNA or TRIPLEXER/DIPLEXER with DUAL NAV (-2 inst'l)
*Installed in earlier Ship S/N's. **10-Hole Upper Console
FIGURE 14-12 NARCO NAV 121
MOCEL R22
---,
PILOT LT . GROUND
PILOT LT. GROUND
POWER OUT
Pm1ER OUT
PILOT LT. INPUT
500!"~ AUDIO J
I I I
NAV ANTENNA I --· _ _j
NARCO NAV 121
Issued 5/22/87
RCBINSCN MAINTENANCE MANUAL
14.800 (cont'd)
POLARIZING KEY
WIRE #269 COM HOOK-UP COM UNIT King KY 92 King KY 197 King KX 155/
KX 165 Narco Com 120 Narco Com 810
TO 12 VDC
PIN J B
10(P401) 7 3
BUS BAR (#214)* OR
TO MASTER RADIO RELAY (#176)
FOR VOR INDICATOR HOOK-UP SEE
FIG. 14-18 & 19 FOR COM TRANSCEIVER
HOOK-UP SEE FIG. 14-8&10
FRONT VIEW - CONNECTOR
(LOOKING IN FROM FRONT OF RACK l
~ S R P N M L K J ~ F E 0 C B A
252
251
254
A448-4 BUS BAR
253.lf..lf.
AIRFRAME GROUND 271 *REF. or
= ...
= 527 ,.------f - P531
MCCEL R22
ILS ENERGIZE
COMPOSITE COf~POSITE
COMMON
AUDIO COMMON
SWITCHED +A
Pm~ER
POWER
Pm~ER GROUND
POWER GROUND I I I
NAV ANTENNA I I I
'------'-- - - _j KING KN53 NAV RECEIVER
*Installed in Earlier Ship S/Ns. See Page 14.14-15
,.,.Wire #253 excluded after 3-86.
FIGURE 14-13 KING KN53 NAV RECEIVER
Issued 5/22/87 Page 14.31
ROBINSON MAINTENANCE MANUAL MOOEL R22
14.800 (cont'd)
GROUND
12 VDC POWER
ANTENNA
APOLLO I, I I LORAN C
RECEIVER
465
466
468
A448-1 BUS BAR
A-16 ANTENNA
FRONT VIEW CONNECTOR
(LOOKING FROM REAR OF UNIT)
FIGURE 14-14 APOLLO I, II LORAN C RECEIVER
Page 14.32 Issued 5/22/87
RCBINSCN MAINTENANCE MANUAL .
14.800 (cont'd)
AIRFIW1E GROUND = ... 260
262* or 204
601805-1 TERMINAL BLOCK 261
TO 12VDC BUS BAR (#214)*
OR \ 214* or 176 TO MASTER RADIO RELAY (#176)
266
263
A448-4 BUS BAR
264
225395-1 PLUG A015-18 PANEL
KA60 ANTENNA POLARIZING
KEY
*Installed in Earlier Ship S/N's See Page 14.14-15
MOOELR22
-----, I I I I I I I I I I I I I I I I I I I
KING KT78A I TRANSPONDER I ___ _j
~ M M L K J H F E D C B A
FRONT VIEW - CONNECTOR
(LOOKING IN FROM FRONT OF RACK)
FIGURE 14-15 KING KT76A/78A TRANSPONDER
Issued 5/22/87 Page 14.33
ROBINSON MAINTENANCE MANUAL
14.800 (cont'd)
AIRFRAME~ GROUND
601805-1 TERMINAL BLOCK
TO MASTER 6 RADIO RELAY --
17-_,....
A448-4 BUS BAR
KING KT76A TRANSPONDER K
~ NMLKJHFEOCBA
KT76A TRANSPONDER FRONT VIEW-CONNECTOR
MODEL R_22
564
557
566
563
560
559
565
562
558 /LJ
B241-1 WIRE HARNESS
6
3
/8240-1 BLIND ENCODER
87654321
@. oo•••••o @ ••••••• 15 \4 13 l2 ll lO 9
B240-l BLIND ENCODER FRONT VIEW-CONNECTOR
FIGURE 14-16 D120-P2-T BLIND ENCODER/DIGITIZER
Page 14.34 Issued 5/22/87
ROBI·NSON MAINTENANCE MANUAL
14.800 (cont'd)
AI RFR!-If'1E GROUrm
= 260 = ~------------------_,
261
262
601805-1 TERMINAL BLOCK
TO 12 VDC 263 BUS BAR (#214)* 214* or 176
OR A448-4 BUS BAR REF. TO MASTER RADIO RELAY (#176)
FRONT VIEW - CONNECTOR
(LOOKING IN FROM FRONT OF RACK l
l~lJVVlJlJUUUVlJU • ..a) 18 17 16 15 14 13 12 1110 9 8 7 6 5 4 3 2 1
© ANT.
266
Issued 5/22/87
264
~ 225395-1 PLUG
~ ~ A704-l ANTENNA GROUND
-- AT150 ANTENNA
*Installed in Earlier Ship S/Ns. See Page 14.14-15
FIGURE 14-17 NARCO AT 150 TRANSPONDER
MCCELR22
---, I I I I I
NARCO AT 150 TRANSPONDER
I I I I
___ _j
Page 14.35
ROBINSON MAINTENANCE MANUAL
14.800 (cont'd) FRONT VIEW - CONNECTOR
(LOOKING IN FROM FRONT OF RACK)
.. GG®®@GGG0@8@1 o 80®0GOG080GBG1~
8@8@8®008888~
FOR NAV RECEIVER HOOK-UP SEE
FIG. 14-13
Page 14.36
CONNECTOR PIN LOCATIONS
B
I 6018
_, 256 I
05-1 TERMINAL BLOCK 255
252
251
253
254 / 250
AIR FRAME GROUNDVzss =~ = ""
FIGURE 14-18 KING KI 203 VOR INDICATOR (Installed Prior to 1/87)
D
E
K
y
v
b
B
D
E
K
y
v
b
MOCELR22
~ ----1
+1
GROUND
I I I I I I
4 VDC LTG. I
GROUND I I I I I
I LS ENERGIZE I
K vo
.___
COMPOSITE I GROUND
+14 VDC
I I I I
ING KI 203 I R INDICATOR I
I I
___ _j
Issued 5/22/87
ROBINSON MAINTENANCE MANUAL
14.800 (cont'd) FRONT VIEW - CONNECTOR
(LOOKING IN FROM FRONT OF RACK I
B TO AVIONICS 204 LIGHTING i~IRES-----------+--f 0
Issued 5/22/87
267
--AIRFRAME
GROUND
FIGURE 14-19 KING KI203 VOR INDICATOR (Installed after 1/87)
E
B
0
E
MOCEL R22
----1
I I l I
GROUND I I
+14 VDC LTG. I
GROUND
KING KI 203 VOR INDICATOR
I
___ _J
Page 14.37
ROBINSON MAINTENANCE MANUAL MCCEL R22
14.800 (cont'd)
FOR AVIONICS PANEL INST'L. (A805-2), JUMPER TO OTHER #204 AVIONICS LIGHTING WIRES.
OR FOR UPPER CONSOLE INST'L. (A805-3), CONNECT #259 WIRE TO 601716-4 LIGHTING TERMINAL BLOCK.
FOR NAV RECEIVER HOOK-UP SEE
FIG. 14-13
204 (-2 INST'L)
----, I I I
OR
I I
,,' 1--7 +--7--4 +14V D.C. LTG.1
.----. 259 ( -3 INSTIL) ,-" I 1 c:1- - - - - - - - - - , 5 5 GROUND L---~
601716-4 LIGHTING TERMINAL BLOCK
556
251
252
8 8
1 1
2 2
4 4
258
---
FRONT VIEW CONNECTOR (LOOKING FROM INDICATOR)
I I I I I
+14V D.C. I GROUND
VOR/LOC
I I
ILS ENERGIZE l I
KING KI208 I VOR INDICATOR I
I I
___ _j
FIGURE 14-20 KING KI 208 VOR INDICATOR
Page 14.38 Issued 5/22/87
ROBINSON MAINTENANCE MANUAL MOCELR22
14.800 (cont'd)
I rn-8lADF RECEIVER
DC SIN OUT
I DC cos OUT +4. 5 V COM. OUT
I I I 14V DC
I I
I I AUDIO HIGH
I GROUND
I I I I I I L __
ABCDEFHJKLMNPRS
2
3
I I ••e:•c:::•~c•~•••\ o! 0 tvv99v~v•••v••v• 1 2 3 4 56 7 8 910112 I 14 I
11 13 15
CONNECTOR AS VIEWED FROM
FRONT OF KR 87
Change 6: 28 JUL 89
RF INPUT
{\ ANTENNA POWER (RED) LOOP ENABLE (GREEN) 32 HZ<~ 90°(BLACK)
I I I 32 HZ< 0° (YELLOW) \..I GROUND (BLUE)
(CABLE DRAIN WIRE)
I I I I
\.,/
KA44B ANTENNA --1
I I I I I I
__ _j
CONNECTOR AS VIEWED FROM
FRONT
(- l INSTIL) (-2 INST'L)
253
254
257
282
WIRE #272 COM HOOK-UP
COM UNIT
King KY 92 King KY 197 King KX 155/
KX 165 Narco Com 810 Narco Com 120
255
AIRFRAME GROUND (A363-1 REF.)
Note:
PIN
J B
9 (P401) 3 7
-1 is Lower Panel Inst'l. -2 is Upper Panel Inst'l.
FIGURE 14-21 KING KR 87 ADF RECEIVER
*Installed in Earlier Ship S/N.
DIMMER DIMMER
GROUND
I I I I I I I I I I I
__ _J
u ... :0: z a: ••••• al LIJ .., ~
@ •••• (j) ere c. :::• -'e ....
L--- 314 L---- 311 IFR TRAINER ONLY.
L--.-- 313 SEE KING KCS 55 L....--- 303 (HSI) SCHEMATIC.
'----- 312 (-3 Inst'l.)
Page 14.39
ROBINSON MAINTENANCE MANUAL
14.800 (cont'd)
RCR-650 ADF RECEIVER r--- Pl I 251 I ~----------~
1 + cos
I I GROUND
I POWER IN
14VDC IN. -SIN -COS +SIN
14V DIMMER GROUND
28V DIMMER
253
256 282 271
267
252
214* or 102 TO 12 VDC
BUS BAR
A448- 2 BUS BAR
254
257 601805-1
TERMINAL BLOCK
6
8
2
4
5
7
MODELR22
IND-650A ADF INDICATOR --,
+COS BEARING l I
28V DIMMER I GROUND
I I I I
-SIN BEARING I -COS BEARING I
+ SIN BEARING I 14V DIMMER I __ _j
= AIRFRAME .. GROUND
*Installed in Earlier Ship S/Ns .
AF LOW AF HIGH
I SENSE ANTENNA
I I I y LOOP
I I I X LOOP
L __ _j
GROUND AT TRAY STUD
Page 14.40
See Page 14.14-15
= ..
269
AIRFRAME GROUND AT '=:= TACH POWER RELAY REF.
FIGURE 14-22 COLLINS ADF-650A SYSTEM
ORTO PIN 7 COM 120)
ANT-650A ANTENNA
Issued 5/22/87
ROBINSON MAINTENANCE MANUAL
14.800 AVIONICS SCHEMATICS (cont'd)
GPS 100 AVD -
GPS 150/150XL J J
468 ANTENNA
37
36
- -GROUND 26
465 15
POWER 25 14 466
24
~
I :IJ AVIONICS BUS
FIGURE 14-22A
GARMIN GPS 100, 150, and 150XL SCHEMATIC
Change 21: JUN 2000
MODELR22
\V
ANTENNA
Page 14.40A
ROBINSON MAINTENANCE MANUAL
14.800 AVIONICS SCHEMATICS (cont'd}
GARMIN GNC 250XL GPS
or GNC 250 GPS/COM
KEY
MIC HI
AUDIO HI
MIC LO
AUDIO LO
14V DC
14V DC
GROUND
GROUND
GPS ANT
COMM ANT
Page 14.408
705 (WHITE)
707 (BLUE)
706 (ORANGE)
466
,,.
468
212
FIGURE 14-228
GARMIN GNC 250XL GPS and GNC 250 GPS/COM
SCHEMATIC
MODELR22
AIR COMM ACS 775 SL (A692-2*)
SINGLE AUDIO CONTROL
COMM 2 KEY
COMM 2 MIC HI
COMM 2 AUDIO
GROUND
*RHC part no.
N.A.T. AA12-004
SINGLE AUDIO CONTROL
COMM 2 KEY
COMM 2 MIC HI
COMM 2 RCV'R
COMM 2 LO
GPS/COM ANTENNA
Change 21 : JUN 2000
ROBINSON MAINTENANCE MANUAL MODELR22
14.800 AVIONICS SCHEMATICS (cont'dl
BENDIX/KING KLN 89/898 GPS
P891 (25 PIN) -
LT 14V LT 28 V/LO
25 1-------------~- JUMPER TO "204" WIRE -~ 267 I
A/C GROUND 14 ~267 ~
\12 VDC BUS
~
P892 g PIN) 18 267
....---.(}',..,;c._ b PWR MONITOR
11-33 VDC PWR
A/C GROUND
D4 Al
A2
A4
Sg~./ 7o"~
466
465
BENDIX/KING KT70, KT76A, or KT76C
TRANSPONDER "---
21 -221---~1~3~04~--------------~ -23~----_b13~0~5----~====================~
24~----~13~0~6-----4~==================~
r::::::::::
557* or 340** 7 M -558* or 333** /
K -J
Bl 251----___..!1:.:?_3~07~---1--.!-I=========~_J 82 ~~--_11~30~8~--+-~~================~
559* or 336** / -
560* or 337** / E
-562* or 334** 7 c
-B4 27~--_!13~0~9---~~~~~==========~_.J
-C1 28~----~13~1~0-----+~~~-+============~ -C2 29~----_b13g1~1-----+~4-~-+~==========~ I--C4 30~----_bl3~1£2 ____ -+~4-~-+~+=========~ r---
-563* or 338** /
B -
564* or 341** / D
-556* or 339** /
L "---
565* or 335** / ~
--ANTENNA - -- r--r- NOTE: WIRES .uo! THRU l1lZ_ USED ONLY WHEN TRANSPONDER IS USED WITH ENCODING ALTIMETER OR BLIND ENCODER. \V
468
ANTENNA
Change 21: JUN 2000
T
TO *BLIND ENCODER OR **ENCODING ALTIMETER
FIGURE 14-22C
BENDIX/KING KLN 89/898 GPS RECEIVER SCHEMATIC
A1 A2
A4
Bl
82
84 Cl C2 C4
._
Page 14.40C
ROBINSON MAINTENANCE MANUAL MODELR22
14.800 AVIONICS SCHEMATICS {cont'dl
A.D. RCVR B
A.D. RCVR A
267
267
267
BENDIX/KING KLN 90 GPS
FIGURE 14-220
BENDIX/KING KLN 90 GPS RECEIVER SCHEMATIC
\12 VDC BUS
.,..:..::..::..oi]
1-------+--if-----:.4=-68 -----16
Page 14.400
f---04 41
r-- 1304 Al 42 r-- 1305 A2 43 - 1306
A4 44 ~ 1307
B1 45 r-- 1308 B2 46
B4 r--
47 1309 f--- 1310 C1 48 r-- 1311
C2 49 f--- 1312 C4 50
/ NOTE:
WIRES .uQ1 THRU .uli USED ONLY WHEN TRANSPONDER IS USED WITH ENCODING ALTIMETER OR BLIND ENCODER.
T
TO *BLIND ENCODER OR **ENCODING ALTIMETER
557* or 340** /
558* or 333** /
559* or 336** /
560* or 337** /
562* or 334** /
563* or 338** /
564* or 341** /
556* or 339** /
BENDIX/KING KT70, KT76A, or KT76C
TRANSPONDER
F=== M A1
r--K A2
r--J A4
r--E Bl
r--c B2 -B B4 -D C1
-L C2
-565* or 335** / ~ C4
t =--
Change 21 : JUN 2000
ROBINSON MAINTENANCE MANUAL
14.900 UPPER CONSOLE HARNESS PLUGS (STANDARD & HP)
\
TOP VIEW (PINS)
PIN NO.
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
CONNECTOR 1
WIRE NO.
A059-2 A059-3
A059-5 A059-6 A059-9 A059-10 A059-ll A059-12 A059-13 A059-15 A059-16 A059-17 A059-18 AOS9-19 AOS9-31 A059-34 A059·128 A059-129 AOS9-38 Spare Spare Spare Spare Spare Spare Spare A059-52 A059 Spare A059-58 A059-167 A059-65 A059-164 A059-67 P..059-l66
MDDELR22
CONNECTOR 2 PIN WIRE NO. NO.
l Spare 2 A039-104 3 A039-105 4 A039-106 5 A039-107 6 Spare 7 A059-163 8 A052-127 9 A040-70
10 A040-71 11 A040-72 12 A040-74 13 A040-75 14 A040-76 15 A040-83 16 A040-81 17 A040-82 18 -~040-80 19 A040-84 20 Spare 21 Spare 22 Spare 23 Spare 24 A053-89 25 * 26 A060-204 27 Spare 28 Spare 29 Spare 30 Spare 31 Spare 32 Spare 33 Spare 34 Spare 35 Spare 36 Spare 37 Or Avionics
BOTTOM VIEW (SOCKETS)
* INSTALL DRAIN WIRE OF THREE-CONDUCTOR CABLE (WIRES -80,-81,-82) AT NOTED PIN.
FIGURE 14-23 UPPER CONSOLE HARNESS PLUGS
Change 1: 9/25/87 Page 14.41
ROBINSON MAINTENANCE MANUAL
14.900 UPPER CONSOLE HARNESS PLUGS (ALPHA & SUBSEQUENT)
TOP VIEW (PINS)
PIN NO. 1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
CONNECTOR 1
WIRE NO.
A059-2 A059-3 Spare A059-5 A059-6 A059-9 A059-10 A059-11 A059-12 A059-13 A059-15 A059-16 A059-17 A059-18 A059-19 A059-31 A059-34 A059-128 A059-129 A059-38 Spare 8043-416 A059-513 Spare Spare Spare Spare A059-52 Spare Spare A059-58 Spare A059-65 A059-164 Spare A059-166 Spare
MCCELR22
CONNECTOR 2 PIN WIRE NO. NO.
1 A059-199 2 A039-104 3 A039-105 4 A039-106 5 A039-107 6 A059-101 7 A059-163 8 A052-127 9 A040-70
10 A040-71 11 A040-72 12 A040-74 13 A040-75 14 A040-76 15 A040-83 16 A040-81 17 A040-82 18 A040-80 19 A040-84 20 Spare 21 Spare 22 Spare 23 Spare 24 Spare 25 * 26 A060-204 27 A059-28 28 A059-66 29 A059-67 30 A053-90 31 A053-91 32 A053-94 33 A053-95 34 Spare 35 A039-138 36 Spare 37 Spare
BOTTOM VIEW (SOCKETS)
* INSTALL DRAIN WIRE OF THREE-CONDUCTOR CABLE (WIRES -80,-81,-82) AT NOTED PIN.
FIGURE 14-23A UPPER CONSOLE HARNESS PLUGS
Page 14.42 Change 1: 9/25/87
ROBINSON MAINTENANCE MANUAL
14.1000 IFR TRAINER
14.1010 IFR Trainer Component Loads
Continuously-Powered Equipment:
Power & Accessories
Battery relay Alternator control Master radio relay
Night Lights Anti-Collision light Position lights Instrument lights
Instruments Engine gage cluster Dual tachometer Hourmeter Carb Air temp Ammeter shunt Digital OAT gage
Miscellaneous Heater blower
Part Number
70-906 VR418-l W389CX-2
A470 A7Sl2/1777 330
A617/Bl44 A792-.1 773 A604 MLS-60-100 310-2
A643-l
MCCEL R22
Max. Amps
~ Each Total Amps
1 1 1
1 3 9
1 1 1 1 1 1
1
.7S 4.0
.13
3.2 2.2
.08
.75 4.0
.13
3.2 6.6
.72
.S0/.60 .S0/.60
.10 .10
.03 .03
.13 .13
.so .so
.13 .13
7.S 7.S
TOTAL = 24.29
Complete Avionics Panel for Instrument Trainer
COM/NAV Receiver NAV Receiver Transponder ADF Horizon ref ind Marker beacon Turn coordinator Encoding altimeter HSI Gyro
Issued S/22/87
KX16S NAV121 KT76A KR87 AIMSOO KR22 303700 KE127 KIS2SA KG102A
1 1 1 1 1 1 1 1 1 1
.70
.87 1.80 1.24 1.80 .so .so .12 .23
3.0
. 70
.87 1.80 1.24 1. 80
.so
.so
.12
.23 3.0
TOTAL= 10.76
Page 14.43
ROBINSON MAINTENANCE MANUAL MOCELR22
14.1010 IFR Trainer Component Loads (cont'd)
Intermittently-Powered Equipment: Max Amps Total
Starting Accessories Part Number ~ Each Amps Starter relay SAZ4201E 1 4,5 4.5 Starting vibrator 10-176487-121 1 2.5 2.5 Starter motor MZ4224 1 150 150
Drive System Belt tension actuator 5A505-3 1 1.2 1.2
Lights Warning lights 330 8 .08 ,64 Landing lights 4509 2 7.7 15.4
Miscellaneous Map light A-1425A-2-12 1 .58 *.58 Landing light relay MB-1380 1 .20 .20 Low RPM horn & relay 16004042-WlOlPCX 1 .35 .35
TOTAL =*16,18
Instrument Trainer Avionics COM Transmitter KX165 1 *6 '8 *6. 8
Page 14.44 Issued 5/22/87
ROBINSON MAINTENANCE MANUAL
14.1020 IFR Trainer Console Access
Pull circuit breakers on all gyro instruments and allow 5 minutes for gyro run down to prevent gyro damage.
See R22 operator manual for caging instructions upon power application.
Remove (6) screws holding faceplate to console and carefully pull faceplate and instruments forward.
With cyclic full aft, instrument faceplate will now rotate to a horizontal position for access to back of instruments.
If console shell needs to be removed for access, place support under faceplate as shown.
Remove three ground plate screws from each side of console.
Remove two allen head screws in nose of console. Remove two screws from each side of console.
Disconnect wiring from horn. horn relay,and low RPM unit attached to console shell.
Carefully remove console shell.
Issued 5/22/87
MOCELR22
\]
Page 14.45
ROBINSON MAINTENANCE MANUAL MCCEL R22
-122 WIRE REF.
LIGHTING AND TERMINAL BLOCKS ON AIRCRAFT S/N 465 AND PRIOR. A/C S/N 465 AND ON USE ITEM 8.
SIMILAR POWER BUS CONNECTOR FOR TURN C., MKR BKN., ALTIM., ALSO AT LOCATION A.
{!).Low RPM Horn Relay
0 0 0 0 0 0 0
Page 14.46
Flux Transmitter
Diplexer {3 Connectors) Triplexer (4 Connectors) Low RPM Horn
Low Rpm Unit
Slave Control
(!) Directional Gyro-Remote (Left Baggage Compartment)
@ DME-Remote {Left Baggage Compartment)
Ground Panel ~ Terminal Block, Gyro Ground Wires
Terminal Block, Lighting (§) Terminal Block, Audio (Used on A/C after S/N 465)
FIGURE 14-24 IFR TRAINER COMPONENT LOCATION Issued 5/22/87
ROBINSON MAINTENANCE MANUAL MCCEL R22
14.1040 IFR Trainer Avionics Schematics
r D~GROUND-I LIGHTING COMMON I 1 DC POWER
I INT. LIGHTING I L __ _
,---DC POWER
DC GROUND I L __ _
r---1 MARKER ANT.
I PHONES
POVJER
I POWER GROUND
L_---
Issued 5 I 22/87
A
c
B
344
398 llh 345
396
TERMINAL BLOCK /GYRO GROUND 399 REF. II•·
{GND THRU CLUTCH SW POST 1 WHEN ENGAGED) S/N 0416 & ON.
601716-4 CONSOLE LIGHTS TERMINAL BLOCK
AIM 500 HORIZONTAL REFERENCE INDICAJOR
POWER BUS CONNECTOR
A
c
8 t----
344
398
.345
REVISED WIRING ON S/N 522 & On.
C. BREAKER 346 (TURN C., MKR. BCN.,AL TIM.)
1-~._ ___ 3._4_7 ___ -ta 0+-=39;..;;;9""""R..;.;;;E;..;...F ____ Ill·'-'
TERMINAL BLOCK~ ·~
GYRO GROUND (GND THRU CLUTCH SW POST 1 WHEN ENGAGED) A/C 416 AND LATER
ASTRONAUTICS 303700 TURN COORDINATOR
210
TERMINAL BLOCK, AUDIO (MKR. BCN., ADF, NAV 121, KX 155/165 & WIRE 209)
244
225 rzo 1----------; 2 C. BREAKER (TURN C., MKR BCN,
1------------------lllt· AL TIM.)
KING KR 22 MARKER BEACON
FIGURE 14-25 IFR TRAINER AVIONICS Page 14.47
ROBINSON MAINTENANCE MANUAL
14.1040 (cont'd)
r--- -1
I I VOR/LOC IN
I + FROM
+ TO
NAV + FLAG
NAV - FLAG
GS + UP
GS + DOWN
GS + FLAG
I GS - FLAG
I CRS DEV +RT
I CRS DEV +LT
I OBS RES I R D)
I OBS RES' R
I OBS RES' R
OBS RES'R
I I OBS RES. R
OBS RES'R I
E)
F)
G)
C)
H)
P901 TOP PLUG
r-4. ,...._
,., 285 REF (CONNECT TO PIN H OF PLUG E ,_
t--TO SHIELD OF WIRE 206
1--9
286
r-- 287 H ,...._
f .... \* 288 B
r-- I I I I 289
1 \ I - ,z \ 290 s I I - I I 291 T
\ ,..' t-- 292 u
r-- 267 293 R
1---I &.. \ 294
5 I I 295 ~ I I K \iT
1-- 296 c I ·,
I I r-- I I 297 10 'r' 1---3 I \ 298
I I 1---
I 299 L I \ J
1--I J: \ 300
2 I I 1-- I I 301
11 \ J 1-- -- 212 REF.
_11:'
P401)
I COM ANT. H-I OPTIONAL YONI..OC CONII/GS/AUOIO-
L __ _ POLARIZING
P801 KEYS ~901
-*This Shield Installed on Earlier Ship S/Ns.
MCCELR22
KI 525A
P2 Pl
- T
- z
- K
- F
E -
B -
J -
- w
- b -- v
v -
y -
b - -e - -a -X -
~902(GS)
(
REAR CONNECTOR PLATE )- P 801 VIEWED FROM FRONT OF UNIT (TX)
~------~~--------~--~
Page 14.48 FIGURE 14-26 KING KX 165 VHF NAV/COM TRANSCEIVER (TOP PLUG)
P301 (NAV)
Issued 5/22/87
ROBINSON MAINTENANCE MANUAL MOOEL R22
14.1040 (cont'd) r---1 DATA BUS
I CLOCK BUS
I NAV. REQUEST
I COMMON
cm1 AUDIO HI
COM AUDIO LO I NAV AUDIO HI
I NAV AUDIO LO
I COM MIC AUDIO CO~l MIC KEY
I INTERCOM MIC
I POWER IN
I POWER IN
I A/C GROUND A/C GROUND
I sw POWER OUT
I sw POWER OUT
I sw POWER IN
SW POWER IN
I I VOR/LOC OUT
I I NAV ANT.
I L ~s _:T._
Change 1: 9/25/87
P401
BOTTOM PLUG \ I
.:X: I \
\ I
435
436 437 (FOR USE W/ m~E)
438
..__GROUND SHIELD TO PIN 15
245
246 TERMINAL BLOCK, AUDIO
I \ I I I I \. J
FROM SHIELD OF WIRE 288 206 207
211
200
267 TO 10 AMP C. BREAKER ON AVIONICS BUS
SEE INTERCOM SCHEMATIC FOR WIRING INST'L
~----.. 320559 SPLICE REF.
285
201
205
(CONNECT FROM PIN E 1 , OF TOP PLUG P901)
'-" 213
208
242 TO NARCO _____ ..;;;,_;;;...__-&.NAV. 121 (A808-2)
AV571 TRIPLEXER USED WITH DUAL NAV.
AV570 DIPLEXER USED WITH ONE NAV.
NAV. ANTENNA
FIGURE 14-26A KING KX165 VHF NAV/COM TRANSCEIVER Page 14.49
ROBINSON MAINTENANCE MANUAL MOOELR22
14.1040 (cont'd)
AlH-FRAME GIWUNU (A365-l)
IN~TRUMENT LIGHTING TERM. BLOCK
(A052)
260
204
FRONT VIEW - CONNECTOR
(LOOKING IN FROM F'RONT OF' A&CK)
AVIONICS BUS
263
264
KA60 ANT.
261
GROUND
LIGHTS
GROUND
INSTRUMENT LIGHTING .-----.TERMINAL BLOCK
AIR-FRAME GROUND
(A974-1)
142
POWER BUS CONNECTOR (TURN C., MKR BCN ,AL TM.)
TURN C.
MKRBKH 343
341
340
339
338
337
336
335
334
333
332
449
(FOR DME INST'L ONLY) HOOK UP TO PIN K OF KN63 DME
KT 76A TRANSPONDER
(WIRES SUPPLIED W/ L!GIIT) LIGHT
DC POWER
KEA 129 ALTIMETER
(-3 INST'L)
FIGURE 14-27 KING KT76A TRANSPONDER WITH
KING KEA 129 ENCODING ALTIMETER
Page 14.50 Issued 5/22/87
ROBINSON MAINTENANCE MANUAL MOOELR22
14.1040 (cont'd)
KA 60 ANT. P601 ,--1
I I I
L--RECEIVER
KN 63 DME P632 ,--I I I POWER I POWER I POWER GROUND
I POWER GROUND
I I I DATA BUS
I CLOCK BUS
DME REQUEST I GROUND
I AUDIO LOW
I AUDIO HIGH
435 436
437 452
439 440 441 442
448 TO AUDIO ,_ ... 8300~TERMINAL BLOCK 626
KX155/165 P401 NAV/COM ....--r---
KDI 574 P5721 INDICATOR
---,
,, I "
'..._ ... , '
I I
COMMON NAV REQUEST
I SUPPRESSION 1-___:~-r--r-~~TO PIN 9 ON KT76A
I ON
I HOLD
I + 9.25 V.
I_~ 19 ·!:.._V_.
~ KJHFEDCBA
POLARIZING KEY
443 _..,
(SEE A804) 444
445 446
FRONT VIEW CONNECTOR (LOOKING IN FROM RECEIVER)
I I I
__ _j
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
•••ooooooeeeooeoe 180 0 0 0 0 0 0 0 0 0 0 0 0 0 0 033 ooooooeoooooooeoo 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
FIGURE 14-28 KING KN63 DME KDI 574 CONNECTOR P574l/ J5741 PIN 5 KEYED PIN VIEW OF MALE OR SOLDER CUP VIEW OF FEMALE CONNECTOR.
Change 11: 7 AUG 92 Page 14.51
I
t-d
Ill
OQ
(I
)
1-'
P
-
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INDI
CATO
R N
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22
7-01
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~
):::.
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.......
:z
en "' n (
/)
U1
U
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):::.
-o
.....
n -1
0 $!
r- :z
):::
. <
(/)
-<
(/)
-1
m
3:
H
(/)
(/) ~
+
U1
-N N -(X) ........
PICT
ORIA
L NA
V DI
RECT
IONA
L FL
UX
IND.
(H
SI)
GYRO
XM
TR
KI
525A
KG
10
2A
KMT
112
TOP
BOT.
~
I I
I
HSI
SLAV
E KA
51
A
orB
I
I
' '
WIR
E # FU
NCTI
ON
1-'
P
-
1-'
D
VH
F NA
V/CO
M
~
[J
TRAN
SCEI
VER
0 II
KX
16
5 (;'
-
p 90
1 g
2 n:.
fD J.L
~ ~67
I I
I I
I I
I I
I
e [] 2
353
LIGH
TING
+14
VD
C} T
O LI
GHTI
NG
LIGH
TING
+1
4 VD
C TE
RMIN
AL
BLOC
K ~
I
JL
I I
I I
I
~
I I
I I
I I
I I
326
LIGH
TING
GRO
UND
===$
29
4 VO
R/LO
C DE
V.
+RT
(CRS
DE
V.
+RT)
5
295
VOR/
LOC
DEV.
+L
T (C
RS
DEV.
+L
T)
K
ffi I
I I
I 28
7 +
TO
T
1 1
I I
286
+ F
ROM
I I
I I
HSI
GYRO
~
c¢J
I I
I I
D
I 1
I 1
327
NAV.
FLA
G PW
R +
14 V
DC __.
.5~0
· I
IE I
I I
I 28
9 NA
V -
FLAG
K
:
: :
: 28
8 NA
V t
FLAG
!tJ
: :
: :
348
NAV
FLAG
GR
OUND
rW
l I
I I
1 W
cp
I
1 1
2 9 3
G . S
. -
FLAG
J
1 1
1 29
2 G
.S.
+ F
LAG
I tE
I I
I 1
E
I I
1 29
0 G.
S.
DEV.
+
UP
B
I I
291
G.S
. DE
V.
+ D
OWN
I I
I
I I +
I I
I I
I
--v
I I T
I
~
I ~
~
I
~
I ~ ~67
I 2
_
I
+
+
I I I I I I I I +
I I
I I
I I
I I
I I
I I
I I
I I
i ~
296
OBS
RESO
LVER
(D
) 29
7 OB
S RE
SOLV
ER
(E)
298
OBS
RESO
LVER
(F
) 29
9 OB
S RE
SOLV
ER
(G)
301
OBS
RESO
LVER
(H
) 30
0 OB
S RE
SOLV
ER
(C)
OHS
RESO
LVER
(B
)
CONT
. ON
NEX
T PA
GE
-$
I I
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I ~
~ )II - z ... m
z )II z n
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(!) p.
Ln -N N -00 -...,J
, .......
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c ;;o , ........
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1..0
O
J
A .......
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(j)
A n (/)
U1
U
1
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(/)
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• •
I
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CONT
INUE
D FR
OM
PREV
IOUS
PA
GE
• •
T
• Y
o
c 0
03
02
H~RO
3971
I
AVJ
NI
S B
US
.e •5
.. o•
_ I
1 ~ PO
\~ER
I
~:
1 1
329
POW
ER
TERM
INAL
BL
OCK,
Y
IN
PUT
+ 14
VD
C I
GYRO
GR
OUND
IN
PUT
GROU
ND -
EL
:Ql-
RE
F 3
99
(GND
THR
U CL
UTCH
SW
F I
1 30
3 +
15
UNRE
GULA
TED
~
. I
t 1
D
I I
I 30
4 UN
REGU
LATE
D GR
OUND
WH
EN
ENGA
GED)
A/
C 41
6 AN
D LATE~
305
+5
VDC
1----;__--~· ---
-=-·-
306
DIGI
TAL
GROU
ND
307
+15
VDC
REGU
LATE
D 30
8 SI
GNAL
GR
OUND
30
9 -1
5 VD
C RE
GULA
TED
310
KI
525A
VAL
ID
311
DRIV
E MO
TOR
1 31
2 DR
IVE
MOTO
R 2
313
DRIV
E MO
TOR
3 31
4 DR
IVE
MOTO
R 4
315
SLAV
ING
CONT
ROL
TRAN
SFM
'R
(H)
316
SLAV
ING
CONT
ROL
TRAN
SFM
'R
(C)
-31
7 SL
AVIN
G CO
NTRO
L TR
ANSF
M'R
(Y
) =--
-, 31
8 SL
AVIN
G CO
NTRO
L TR
ANSF
M'R
(X
) 01
-:31
9 SL
AVIN
G CO
NTRO
L TR
ANSF
M'R
(Z
) ,
SHIE
LDIN
G GR
OUND
{"
PL
UG
101
CONN
ECTO
R tl
-• 3
20
FLUX
DE
TECT
OR
EXCI
TAT'
N HI
GH
~j 3
21
FLUX
DE
TECT
OR
EXCI
TAT'
N LO
W
riiD
J·
~-
354
+ D
C LI
GHTI
NG
H 1-E
J TE
RMIN
AL B
LOCK
, 32
8 LI
GHTI
NG
LO
LIGH
TING
1 I
I
1--'
.s::-. . 1--'
0 .s::-.
0 - n 0 :::1
rt -
p..
.._,.
D
0 m - z m
0 z ~ )> - z ... m
z )> z n
m
~ )> z c )> r- ~ 0 0 m
r- D
1\J
1\J
ROBINSON MAINTENANCE MANUAL
14.1040 (cont'd)
KI 227-01 KI
I I
~
Page 14.54
525A KI 525A KG 102A
TOP BOT. I I
I I I I I I I
[!J I I
1-----....._---...;ctJ 303 +15 UNREGULATED I I
0 •c •A
•a o, en OK
•£ eH
0~
•N el
eR ...
•p
CONNECTOR
VIEWED FROM
REAR OF UNIT
I
DRIVE MOTOR l
312 DRIVE MOTOR 2
DRIVE MOTOR 3
DRIVE MOTOR 4
__,_..,....__ 315 -;...~- 316
_.__'--..___ 3 2 0 -T-..--- 321
FIGURE 14-30 KING KI 227-01 ADF INDICATOR
MCCEL R22
Issued 4/22/87
ROBINSON MAINTENANCE MANUAL MOCELR22
14.1040 (cont'd) KI 525A KI 227-01
I I I
N ~267 I 1--
t -=- I L
f-- I .b. - I v
I
KG 1 02A KA. 51 I A" B
I I I y I
I I I I I I
I I I I
353 LIGHTING +14 VDC
LIGHTING +14 VDC
326 LIGHTING GROUND 294 VOR/LOC DEV +RT (CRS DEV
295 VOR/LOC DEV +LT (CRS DEV
+RT)
+L T)
KX 165
p 901 I l I
5 ,_...-
K
S 287 + TO
Tzl -~~--~~~--------~'-- 286 + FROM $ ~ 327 +14 VDC NAV FLAG POWER ~~~-----~~~~~~---------- I
I 289 NAV -FLAG
FK-~-----~-----~~~---------------~ . 288 NAV +FLAG $ ~--------~------------4---------~~~3~4~8~N~A~V~F~L~AG~G~RO~U~N~D ____________ __
~~----~------------4-------------~~2_9~3-G~S-----F~L_AG~---------------------------
Issued 5/22/87
303 + 15 UNREGULATED 304 UNREGULATED GROUND
1---~ 305 +5 VDC L:_f.:J 306 DIGITAL GROUND
I I 307 +15 VDC REGULATED
308 SIGNAL GROUND
309 -15 VDC REGULATED
-co o• :z:o ...... o .... 31e N• ... -..... "'o -. •o 0 •o "'o ..,o 2 o a:o ~o ><o '"o "o ""o eo ~o "'o 0
uo .... "'. z• .. o >. ,. ..... ·o -· ......... o
..... a.. ~~
1010 (\j(\j 1010 1-11-1 :>!::>!:
FIGURE 14-31A KI 525A PICTORAL NAV INDICATOR (TOP PLUG)
I
~ I I I I I I I I I
Page 14.55
ROBINSON MAINTENANCE MANUAL MCCEL R22
14.1040 (cont'd)
KI 525A KI 227-01 KG 102A
BOTTOt~
KMT 112 KA 51 A B
KX 165 p 901
( P- 2)
$ I 292 GS - FLAG
I I --~--------------------~ I I 290 GS DEV + UP
E I I ~------------------------~~--------------------~ s ,........- 1---
B 291 GS DEV + DOWN
~------------------------------------------------~ T I I I I I I 296 OBS RESOLVER ( 0) v I I I I I-- 297 OBS RESOLVER (E) y I I I I-- I 298 OBS RESOLVER (F)
b I I I -=- I 299 OBS RESOLVER (G) e
.....=.... I I I I 301 OBS RESOLVER (H) X - I I I I 300 OBS RESOLVER (C) a ~2671 I I r-=-- I I 267 OBS RESOLVER (B) s I - I I I
m ~ 310 KI 525A VALID ~--~----14-JI--____;;.,__ __ -:-1 -:-1 _.:....:....::.....;.;~;:;..;;..;..;..~:..:;.;;;...---
1 I 311 DRIVE MOTOR 1
I 312 DRIVE MOTOR 2
I 313 DRIVE MOTOR 3
I 314 DRIVE MOTOR 4
I I 315 SLAVING CONT. TRANS.(H)
317 SLAVING CONT. TRANS. Y
318 SLAVING CONT. TRANS X
L.:........j----i '""""3;:...:.1~9 _,S=L.:...:.AV"""'I"""'N=G _,C=O.:..:..NT.:....:·-.......TR..;.;..A"""N.:..S ._..o...::.Z..._ ..- MD.-
....,;.-..---320 -+,--./..--- 3 21
I I
"o ""o '"o zo "'o >e ""• "'• •• -. c• ·• »o ·o 0 •• "'• .... 2 0 "'o =>o ,.• ......... • •• ·o "o 0 C. Q. ::• ~· 0.. .... o JIQ NQ ,.0 _o .-0 .,Q _Q .o
FIGURE 14-318 KI 525A PICTORAL NAV INDICATOR (BOTTOM PLUG)
c ~ 10 ~
3 I--
L -11 -2
Page 14.56 Issued 5/22/87
ROBINSON MAINTENANCE MANUAL MODEL R22
14.1040 (cont'd)
KG 102A KI 525A
I TOP BOT. I I I
~~-----------+'·----------~~~~--~~~~~~--------------1
Issued 5/22/87
I 25,9
I
co a• :z:• ............ 31e N• ... -o .... ~o -. •o 0 "'o "'o ... o 2 0 "'o =>o ><o o• "o ""o eo ~a "O 0
uO .._e ,.e z• .,e >• ,.e ..,e •e _. ,.e .0 ... ,.0
FIGURE 14-32 KING KG 102A DIRECTIONAL GYRO Page 14.57
ROBINSON MAINTENANCE MANUAL MOOEL R22
14.1040 (cont'd)
KMT 112
--fT ~ ,-., I I B I ,,_,, I I D I
'r -,-- '(
KI 525A
BOTO
h ,..... I !-
m ' ~ I
d \
I
I
J_259
KG 102A
I
I I
I
I
KA 51
A B I I I I
I
H H
c A
M D I I
KMTII2
31 7 SLAVING CONTROL TRANSFM'R
318 SLAVING CONTROL TRANSFM'R
319 SLAVING CONTROL TRANSFM'R
320 FLUX DECT. EXCITAT'N HIGH
321 FLUX DECT. EXCITAT'N LOW
( y)
(X)
( z)
FIGURE 14-33 KING KMT 112 FLUX TRANSMITTER
Page 14.58 Issued 5/22/87
ROBINSON MAINTENANCE MANUAL MOOEL R22
14 . 1 0 4 0 ( con t ' d)
KA 51
A B I I
I ~ I ~ I
I I
H H c A
M D l
E E K B l I
N F I : J D L E B B I A A p N I I
I I
KI 525A
TOP BOT. KG 102A
1 I I
KMT 112
~--~--~ctJ~-----------3~0_5_+_5 __ V_DC ______________ __
I ~ CYJ~------------~3~08~S~IG~NA~L~GR~O~UN_.D __________ _
-I I I
I
I
I
I I I
I I I
I I I I
IQ I
nr- ,-- I I I T'• - I I I r-cr-~ ~ 2591 ~
-I
I k
I I I ~
c I ~
J I ; I -
I I I I
I I I I I I
B 0 F J
:':+:-:~~~ ~~~~~~~ ~~~~:~~ ~:~~~~~: ; 'o~ :319 SLAVING CONTROL TRANSFM' '(' .....,....._ 1'1'
R (Y)
R (X) R. ( Z)
, 320 FLUX DECT. EXCITAT'N HIGH FLUX DECT. EXCITAT'N LOW
I 322 SLAVING METER I I 323 SLAVING SWITCH I 324 SLAVE CLOCKWISE SWITCH l 325 SLAVE CTR'CLQCKWlSE s_wn CH I I 354 +DC LIGHTING HIGH I 328 LIGHTING LOW I
ll. I 311 ~.I I 312 ,!:, 313 ... .~ ,J, ,)
314
- 315 I 1 316 \,. I
L N R
r•rmr•r•r•l•a• o) KA 51A A c E H K II p
FIGURE 14-34 KING KA 51 (A & B) SLAVING ACCESSORY
Issued 5/22/87 Page 14.59
ROBINSON MAINTENANCE MANUAL MOOEL R22
14.1100 R22 MARINER
14.1110 R22 Mariner Avionics Schematics 189 AIR COMM 775-SL
AUDIO CONTROL,.... ,-----....0- 2
+14 V. DC 7.,_._l . .,:;;~3 .. ~63+----20;..,;5---.TO COM BOX ~ ,, • 21 1 r 1-480273-1 HOUSING J
2 l 12 2 ,. '" '--- I I r- r I 206 .--- I ......- 207 ...._ __ =;..._-~ TO COM BOX + 4
;
4
~~·-1-4802:~_:0
:o:~:NG ~ 1:1 . 209 I,..T-J---12_0_J_A_CK_(_C_O--P-I-LO-T--1)l
6 U..SIS 1-480273-0 HOUSING ~ /
I } ~~1-+------- COM UNIT
MIC HI
XMIT KEY
res KEY
HD PH AUD
GROUND
~ / m. COM MIC HI 7 I . ~
KEY 8 414 I - 111
AUD 9 u... -..,__-f-. ___
1_· __ }UNIT NO. 1
--INPUT 1 MIC HI 10 ~
KEY 11 i--
AUD 12 ~
J } ..,_---+----··-- UN IT NO. 2
-INPUT 2 MIC 13
_;..
KEY 14 -AUD 15 -
1 } ~ - UNIT NO. 3
~ ~ 1-4803r HOUTNIT NO. 4
i--INPUT 3 MIC 16
~ KEY 17 ...,._ AUD 18
1--
~
INPUT 4 MIC 19 ~
KEY 20 ....,..__ AUD 21
~
1--
i--
HOT ICS KEY 34 ~
LITE DIM 36 1--1;;;..;8_6 _____ TO 601716-4 CONSOLE LIGHTS
~
PWR GND 37 ....,..__ 187 TERMINAL BLOCK
1--..:.::.:.--------J GROUN_D ON '------....--- : A365 l ANGLE
Page 14.60 FIGURE 14-35 AIR COMM 775-Sl AUDIO CONTROL Issued 5/22/87
ROBINSON MAINTENANCE MANUAL MOCEL R22
14.1110 (cont'd)
MIC
PUSH-TO-TALK
GROUND
GROUND
AUDIO
+12 VOLTS DC
GROUND
ANTENNA
ICOM IC-27A 2 METER FM TRANSCEIVER
477
476
480
481
482
AUDIO/MIC CONNECTOR
(LOOKING TOWARD
AIRCRAFT)
AUDIO CONTROL REF.
INPUT MIC
INPUT KEY
GROUND
A448-2 BUS BAR
#482 CABLE TO 226847-1 PLUG AND DMC63-31 ANTENNA.
RED BLK 1 2
t@ ®]
POWER CONNECTOR
FIGURE 14-36 !COM IC-27A 2-METER FM TRANSCEIVER
Issued 5/22/87 Page 14.61
ROBINSON MAINTENANCE MANUAL MOCEL R22
14 . 111 0 ( con t ' d)
GROUND MIC
PTT
AF 1
+13.8V.DC
GROUND
ANTENNA
!COM IC-M55 MARINE
VHF RECEIVER
Page 14.62
6-PIN CONNECTOR
I 546
547
548
549
551
GROUND SCREW ON A365-l ANGLE
,-
550
AUDIO CONTROL REF.
GROUND
INPUT MIC
INPUT KEY
INPUT AUDIO
A448-2 BUS BAR
552 t-----+-+---------4 e DMC63-31A
6-PIN AUDIO/POWER
CONNECTOR
ANTENNA
• • • 3 2 1
• • • 6 5 4
FIGURE 14-37 ICOM IC M55 MARINE VHF RECEIVER
Issued 5/22/87
ROBINSON MAINTENANCE MANUAL
14.1110 (cont'd)
12 V. DC
GROUND
ANTENNA
VEGA 363X RADAR
TRANSPONDER
472
473
OPTIONAL CONNECTOR
\
-:- GROUND SCREW ON A292-l PANEL
r-+-+--..,;..4 7,;_4 _____ TO 8101X -7 ANTENNA
FIGURE 14-38 VEGA 363X RADAR TRANSPONDER
Issued 5/22/87
A448-2 BUS BAR
MOOELR22
Page 14.63
ROBINSON MAINTENANCE MANUAL MOCELR22
This page intentionally left blank.
Page 14.64 Change 16: 19 SEP 97
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.65
FIGURE 14-39 R22 ELECTRICAL SYSTEM INSTALLATION(A024 Revision BO shown)
2
2
129
128
111
4
102
20103
272
567470
5-19
270
2576
5105
5104
7.5200
A045-2
22871
176
661
2487
14
102
2690
7
2626
2626
2627
2627
NC
C NO
3
4
3
1
2
1
2
3
1
3
4
6
5
2
2
1
1
2
2
7
1
3
4
2
1
2
1
1
2
3
1
2
3
1
2
3
1
2
NOC
NC
1 2 4 3
2
1
2 1
1
3
2
1
2
3
6
8
7
4
5
L
J
M
E
H
B
D
P
A
F
G
H
B
C
D
E
2
1
2
1
2
1
3
3
1
2
1
2
1
2
6
5
4
1
4
1
2
3
2
1
4
5
1
2
6
3
1
2
3
4
5
6ECJMDKLBA
2
1
3
4
RS
50 ohm 10W
4
1
4
5
6
3
2
78
79
78
2
1
3
3
1
2
1
2
1
2
4132
3
1
2
4
2
1
1
2
3
21
TERMINAL JUMPERS
B304-4
TERMINALJUMPER
B304 ASSY PROVISIONSFOR RADIO “KEEP ALIVE”
A060-12 COM INSTALLATION
A045-4 CIRCUIT BREAKERINSTALLATION
A036-9 ELECTRICALCOMPONENTSINSTALLATIONA067-2 ELECTRICAL
HARNESS INSTALLATION
C691ASSY
116
117
RHLANDING
LIGHT
114
115
C2-17C2-14
C2-15
C2-16
C1-10
C1-11
C2-18
C2-19C2-20
80 (ORANGE)
81 (WHITE)
82 (BLUE)
71
72
83 (WHITE)
89 (BLUE)
85 (ORANGE)
84 (WHITE)
86 (BLUE)
C2-22
C2-21
C2-23C2-24
70
NO
NCUP
FULL DOWN
COLLECTIVE SWITCH(LOW RPM HORN)
C1-9C1-13C1-14C1-33
7576
633
95
91
90
9428
138583
66
C1-18
C1-16
C1-15
C1-17C1-5C1-24C1-30
C1-7204
127 C1-21
C1-27
15
164
166
16
58431
C1-1
C1-3
C1-26
C1-2
C1-31C1-6
C1-4
OILTEMP
S I
AUX FUELQTY
S I
CYL HDTEMP
I
MAIN FUELQTY
S I
OIL PRESS.
S I
AMMETER
L A
41840
40
1291312
4610
11416
52
+ LIGHT
GND
68
36
B144 INSTRUMENT CLUSTER
569
12913
12
416523411
69545
19860
471552
44569 128
WARNING LIGHTTERMINAL BLOCK
128 C1-22
125 C1-20
C1-23C2-8
C2-7
C2-26C2-12C2-9C2-6
10 C2-5
693
577
694
B280 RELAY ASSY(GOV OFF WRG)
577 C1-29
YELLOW
RED
BLACK
1555
1553
1554
C696CARBON
MONOXIDEDETECTOR
A 175
76LOW RPM
WRG LT
78
A 5T.R.G.B. CHIP
WRG LT
47
A 2M.R.G.B.
OVERTEMPWRG LT
46
A 92CLUTCHWRG LT
93
A 695GOV OFFWRG LT
694
A 1553CO DETWRG LT
1555
1552
A 57LOW FUEL QTY
WRG LT
60
LOW FUEL QTYWRG TIME
DELAY
57
58
A 199LOW
VOLTAGEWRG LT
198
AM.R.G.B. CHIPWRG LT
45
3
R 44LOW
OIL PRESS.WRG LT
6
A 592STARTERWRG LT
591
A 434ROTORBRAKE
WRG LT
471
C2-4C2-27C1-32
6471591
115114
115114
5
23
19958
5
23
19958
+
-ENGINEHOURMETER
42
OFF
ON112
138
355
112
138 LANDINGLTS SWITCH
1A
OPT'LAVIONICS
B304CAP.ASSY
85
86
87
30115
112
114
103119
LANDINGLTS RELAY
ENGAGE
CLUTCHSWITCH
DISENGAGE
13828
8892
93
113
631 632
583
66
91
95
67
9094
67 C1-8
66
152 C1-25UPPER CONSOLE GND
3837 C2-10
C2-11
CONSOLE ELEC CONNECTOR
4
66
42
RED
BLACK
1859
1858
111A039
SPOTLIGHTASSY
STARTINGVIBRATOR
166584 B0
IN
751
TO RADIO LTS
109108
107
110
667
666TO OPT'L TURNCOORDINATOR
(SEE B191)513
514TO OPT'L ATTITUDE HORIZON &DIRECTIONAL GYRO (SEE B191)
C1-34
C1-28
TO OPT'L AVIONICSCIRCUIT BREAKER
A942ALTERNATOR
CONTROLUNIT
ORANGE
BLACK 33
BLUE 23
507
RED
YELLOW
18
199
FIREWALL/CABIN BULKHEAD
41652341110
591471
6
470
80
81
82
83
89
85
84
86
95
91
90
94
633
1516416
577
107
695451986047
1552
44
101134
18581993253738
417
416
AUX FUEL QTY SENDER
59
52MAIN FUEL QTY SENDER
76
NC
NO
ROTOR BRAKE SWITCH
31
470
471ENGAGED
RELEASED
STROBELIGHT
BLK
WHT
RET SW
ENGINE LH MAGNETO(RH SIDE OF HELICOPTER)
15164
416523411105914716
470
80
81
82
83
89
85
84
86
585
95
91
90
94
1516416
109
58
325
66
3738
65
23
33
2038
80 (ORANGE)
81 (WHITE)
82 (BLUE)
85 (ORANGE)
84 (WHITE)
86 (BLUE)
RED
BLUE OR GREEN
BLACK
TACHSENDER
RED
BLUE OR GREEN
BLACK
LOW RPMSENDER
SW
TACH
ENGINE RHMAGNETO(LH SIDE OFHELICOPTER)
16573 (BLUE)
574 (WHITE)
89 (BLUE)
83 (WHITE)
506
8 8
ENG OIL PRESS. SWITCH
P
8
6
585
P10506
ENG OIL PRESS.SENDER
39
591
MOTOR
STARTER
582
5832
5
WRG LT CIRCUITTEST SWITCHES
M.R.G.B.OVERTEMP
SWITCH
2 504
505
69
+F1
AUX
24
ALTERNATOR
F2
CASEGND
2333
504
505M.R.G.B.OVERTEMP
500
501M.R.G.B.CHIP
62501
3
196
197LOW FUEL
LOW FUELQTY SWITCH
61
197
196
58
502
503T.R.G.B.CHIP
T.R.G.B. CHIPDETECTOR
A021TAIL ROTORGEARBOX
5503
ENGINE CASEA212-1
A212-1
AFT SHUNT
RED
WHITE
BLACK
RED
YELLOW
LT BLUE
BLACK
A569LOW RPMWARNINGUNIT WITHSTARTERLOCK OUT
70
75
87
85 (ORANGE)
84 (WHITE)
86 (BLUE)
ORANGE
VIOLET
634
633
BROWN
GRAY
632
631
76
GREEN
YELLOW
WHITE
A792DUALTACH
BLUE
RED
ORANGE
BLACK
YELLOW/WHITE
BROWN
492
49173
81 (WHITE)
82 (BLUE)
80 (ORANGE)
83 (WHITE)
89 (BLUE)
160A792 DUAL TACHOMETER
72
71
572
573
574
576
577
578
579
B278GOVENOR
CONTROLLER
GOVGEAR-MOTOR
BLACK
RED
OFF
ON
GOVERNOR SWITCH
577577576576
A604CARB
AIR TEMPGAGE
GREEN
BLACK
RED
38
37
36
+
-A780-2
64
3A
1226
66
65
ENG OILTEMPSENDER
11
CYL HDTEMPSENDER
34
37
38
39A058 CARB AIR TEMP SENDER
B341OUTSIDEAIR TEMP
GAGEBLACK
RED
RED
BLACK
4
1615
O.A.T.SENDER
C2-13C2-25C2-2C2-1
C2-3
2038
2309
2038 2038
109
5
503
118
109 TAILLIGHT
A039 RHPOS
LIGHT G
CASEGND
A039 LHPOS LIGHT
R
STARTER LOCKOUT
AVIONICS MASTER
2492582
583
633
585
2233
2057
30
85
86
87
87A
30
85
86
87
87A176
TO
CY
CLI
C(S
EE C
058)
CY
CLI
C(S
EEC
058)
234
235
277
685
284
603283
280 604
236 605
281 239
TOINTCMSYSTEM(SEEAP60)
284
239
603
1358
939
1358
2504 2504
TO INTERCOMSYSTEM(SEE A060)
939NAV LTS SWITCH
STROBE LT SWITCH
2038105
AVIONICS SWITCH
2234 2233
BATTERY SWITCH30 65
121104
1211042038
1052233223465
D049-6HARNESSASSY
2388 OPT'LFWD STROBE
105
121
30
666
513
TO COMX’CVR
200201
CIRCUITBREAKER LT
COMPASSLIGHT
126
G196LTASSY
2289
125 (WHT)
126 (BLU)
INST LIGHT
2290
RED
BLK
127
3131
OFFR
LBOTHSTART
A661 IGNITION SWITCH
54
BAT.
S
R
BO
LR
L
31
584
634
16
166
164
15
121C1-19
107
ALTERNATOR SWITCH19 18
1819
BLK
BLU
RED
125
127
1213 13
1213
1213
CNC
NO
24872488
2488THROTTLELT
FULL THROTTLE SW
C1-12
C2-31
2489
3A
29
2492
2233
2539AVIONICSGROUND
2539 PILOT SEATBACKCOMPARTMENT
2488
2560
65
12
12
13
6665
2488
TO RADIO“KEEP ALIVE”
3A
C ON
OFF
C ON
OFF
C ON
OFF
C ON
OFF
C ON
OFF
121
9392
204
577
127125
GREEN
2328
22
581
580
141414
581
580
507
22
CONSOLELIGHT
DIMMER
DIMMERCONTROL
934
121
933
932
931
122
LOW RPMWARNING
HORN
A072STD CLK
-134
LT 133 133
134
+ 137 137
133
AUX PWR (FR LH)
2691
2693
AUX PWR (FR RH)
2692
GEAR-MOTOR
RED
BLACK
139
100
TESTPLUG
1355
1354
NO
NC
C99
98
NO
NC
C99
91
SPRING SWITCHES
NO
NC
C139
97
RETRACTION LIMIT SWITCH
A051BELT TENSION ACTUATOR
NO
NC
C
96
96EXTENSION LIMIT SWITCH
96
100
98
90
91
95
94
100
D602ACTUATORTIME DELAY
ASSY
1.5A
NO
CNC
FULL DOWN
1556TO XPDR(SEE C804) 750
2600
2599TO OPT'LAVIONICS
AIR/GROUND SW
751
751COLLECTIVE SWITCH(HOUR METER)
12
13
TO OPT’LEQUIPT.(5A MAX)
750
B304-18FUSE ASSY
X'PDR "KEEP ALIVE"2792S
34
NOTES:
INDICATES CONNECTOR
INDICATES SPLICE & SOLDER SPLICE
ALTERNATOR LOAD LIMIT: 54 AMPS MAX, 14 VOLT 60-AMP MODEL
INDICATES CONNECTOR WHICH MAY HAVE UNUSED CONDUCTORS
A024 REV BO
LHLANDING
LIGHT
CASEGND
CASEGND
CASEGND
CASEGND
CASEGND
CASEGND
C006MAIN ROTOR
GEARBOX
M.R.G.B.CHIP
DETECTOR
CASEGND
A072STD CLK
-134 2
1LT 133 133
134+ 137 3 137
2539C448 GND TERMINAL BLOCK (A365-1 REF)
2539
2608 2608C448 GND TERMINAL BLOCK (A407-2 REF)
PWR OUTLET (LH), OPT’L
2691
2693
PWR OUTLET (RH), OPT’L2690
2692
2627
26261
2
3
TO OPT’LEQUIPT.
TO XPDR(SEE A804)
2
1 2599
NO
CNC
FULL DOWN
COLLECTIVE SWITCH
2600
1556
2200TO OPT’LAVIONICS
AIR/GROUND SW
NOTES:
INDICATES CONNECTOR
INDICATES SPLICE & SOLDER SPLICE
ALTERNATOR LOAD LIMIT: 54 AMPS MAX, 14 VOLT 60-AMP MODEL
INDICATES CONNECTOR WHICH MAY HAVE UNUSED CONDUCTORS
116
RHLANDING
LIGHT
LHLANDING
LIGHT
114
115
117
C2-17C2-14
C2-15
C2-16
C1-10
C1-11
C2-18
C2-19C2-20
80 (ORANGE)
81 (WHITE)
82 (BLUE)
71
72
83 (WHITE)
89 (BLUE)
85 (ORANGE)
84 (WHITE)
86 (BLUE)
C2-22
C2-21
C2-23C2-24
70
NO
NCUP
FULL DOWN
COLLECTIVESWITCH
(LOW RPM HORN)
C1-9C1-13C1-14C1-33
7576633
9591909428138583
66
C1-18C1-16C1-15C1-17C1-5C1-24C1-30
C1-7204
127 C1-21
C1-27
15
164
166
16
58431
C1-1
C1-3
C1-26
C1-2
C1-31C1-6
C1-4
OILTEMP
S I
AUX FUEL QTY
S I
CYL HD TEMP
S I
MAIN FUEL QTY
S I
OIL PRESS.
S I
AMMETER
L A
418
40
40
1291312
4610
11
34
41 6
52
+ LIGHT
GND
68
36
B144 INSTRUMENT CLUSTER
569
1291312416523411
69545
19860
471552
44569 128
WARNING LIGHTTERMINAL BLOCK
TERMINAL JUMPERS128 C1-22
125 C1-20
C1-23C2-8C2-7C2-26C2-12C2-9C2-6
10 C2-5
NC
C NO
3
4
693
577
694
B280 RELAY ASSY(GOV OFF WRG)
577 C1-29
3
1
2
YELLOW
RED
BLACK
1555
1553
1554
C696CARBON
MONOXIDEDETECTOR
A 175
76LOW RPMWRG LT
78
A 5T.R.G.B. CHIP
WRG LT
47
A 2M.R.G.B.
OVERTEMPWRG LT
46
A 92CLUTCHWRG LT
93
A 695GOV OFFWRG LT
694
A 1553CO DETECTOR
WRG LT
1555
1552
A 57LOW
FUEL QTYWRG LT
60
LOW FUEL QTYWRG TIME
DELAY
57
58
A 199LOW
VOLTAGEWRG LT
198
AM.R.G.B. CHIP
WRG LT
45
3
R 44LOW
OIL PRESS.WRG LT
6
A 592STARTERWRG LT
591
A 434ROTORBRAKE
WRG LT
471
C2-4C2-27C1-32
6471591
115114
115114
523
19958
523
19958
+
-ENGINEHOURMETER 42
1
2
3OFF
ON112
138
355
112
138LANDINGLTS SWITCH(SEE A060)
2
2
129
128
111
4
1A
102
20103
272
567
470
5
-19
270
2576
5105
5104
7.5200
A045-2
OPTIONALAVIONICS
228
B304CAP.ASSY
71
161
176
86
85
87
30115
112
114
103119
LANDING LTS RELAY
ENGAGE
CLUTCHSWITCH
DISENGAGE
13828
8892
93
113
631632
583
66
9195
67
9094
67 C1-8
66
152 C1-25UPPER CONSOLE GND
3837 C2-10
C2-11
CONSOLE ELECTRICAL CONNECTOR
4
66
66142
1
3
4
6
5
2
RED
BLACK
1859
1858
111
A039 SPOTLIGHT ASSY
STARTINGVIBRATOR
166584
B0IN
7
TO RADIO LTS
109108
107
110
2
1
667
666TO OPT’L TURNCOORDINATOR
(SEE B191)1
2
513
514TO OPT’L ATTITUDE
HORIZON & DIRECTIONALGYRO (SEE B191)
C1-34
C1-28
TO OPT’LAVIONICSCIRCUITBREAKER
A942ALTERNATOR
CONTROL UNIT
ORANGE
BLACK
2
7 33
BLUE 1 23
507
RED
YELLOW
3
4
18
199
FIREWALL/CABIN BULKHEAD
4165234
1110
591471
6
470
80
81
82
83
89
85
84
86
95
91
90
94
633
1516416577
107
695451986047
1552
44
101134
18581993253738
2
1
417
416AUX FUEL
QTY SENDER
2
1
59
52MAIN FUEL
QTY SENDER
76
NC
NO
ROTOR BRAKE SWITCH
1
2
3
31
470
471ENGAGED
RELEASED
STROBE LIGHT
BLK
WHT
RET SW CASE GND
ENGINE LH MAGNETO(RH SIDE OF HELICOPTER)
15164
4165234
1110
591471
6
470
80
81
82
83
89
85
84
86
585
95
91
90
94
1516416
109
58
325
66
3738
65
23
33
2038
7
80 (ORANGE)
81 (WHITE)
82 (BLUE)
85 (ORANGE)
84 (WHITE)
86 (BLUE)
1
2
3
RED
BLUE OR GREEN
BLACK
TACHSENDER
1
2
3
RED
BLUE OR GREEN
BLACK
LOW RPMSENDER
SW
TACHCASEGND
ENGINE RH MAGNETO(LH SIDE OF HELICOPTER)
16
1
2
573 (BLUE)
574 (WHITE)
89 (BLUE)
83 (WHITE)
506
ENGINE OIL PRESSURE SWITCH
NOC
NC
P
87
6
585
P
10506
ENG OIL PRESS.SENDER
39
591
MOTOR CASEGND
STARTER
582
5832
5
WRG LT CIRCUITTEST SWITCHES
1 2 4 3
M.R.G.B. OVERTEMPSWITCH
2 504
505
69
+F1
AUX
24
ALTERNATOR
F2CASEGND
2333
504
505M.R.G.B.OVERTEMP
500
501M.R.G.B.CHIP
C006MAIN ROTOR
GEARBOX
M.R.G.B.CHIP
DETECTOR
62501
2
1 3
196
197LOWFUEL
LOW FUELQTY
SWITCH
61
197
196
58
502
503T.R.G.B.CHIP
A021TAIL ROTORGEARBOX
T.R.G.B. CHIPDETECTOR
2 1CASEGND
5503
ENGINE CASE
A212-1
A212-1
LANDING GEAR
A936-1
CASEGND
AFT SHUNT
1
3
2
1
2
3
6
RED
WHITE
BLACK
RED
YELLOW
LT BLUE
BLACK
A569LOW RPMWARNINGUNIT WITHSTARTERLOCK OUT
70
75
87
85 (ORANGE)
84 (WHITE)
86 (BLUE)
8
7ORANGE
VIOLET
634
633
4
5
BROWN
GRAY
632
631
76
GREEN
YELLOW
WHITE
A792DUALTACH
BLUE
RED
ORANGE
L
J
M
BLACK E
H
B
D
YELLOW/WHITE
BROWN
P
A
492
49173
81 (WHITE)
82 (BLUE)
80 (ORANGE)
83 (WHITE)
89 (BLUE)
160A792 DUAL TACHOMETER
72
71
F
G
H
B
C
D
E
572
573
574
576
577
578
579
B278GOVERNOR
CONTROLLER
GOVGEAR-
MOTOR
BLACK
RED
2
1
OFF
ON
2
1
GOVERNOR SWITCH
577577576576
GEAR-MOTOR
RED
BLACK
139
100
TEST PLUG
3
1
2
1355
1354
NO
NC
C99
98
NO
NC
C99
91
SPRING SWITCHES
NO
NC
C139
97
RETRACTION LIMIT SWITCH
4132
1.5A
90
91
95
94
A604CARB
AIR TEMPGAGE GREEN
BLACK
RED
38
37
362
1
3
+
-A780-2
64
3A
B304-4
1226
66
65
3
1
2
ENG OILTEMPSENDER
11
CASEGND
CYL HDTEMPSENDER
34
CASEGND
1
237
38
39A058 CARB AIR TEMP SENDER
B341OUTSIDEAIR TEMP
GAGEBLACK
RED
1
2
RED
BLACK
4
1615
O.A.T.SENDER
6
5
4
1
C2-13C2-25C2-2C2-1C2-3
2038
4
1
2
3
2
1
2309
2038 2038
109
5
503
118
109 TAILLIGHT
A051BELT TENSION ACTUATOR
A039 RHPOSITION LIGHT G
CASEGND
A039 LHPOSITION LIGHT
R
STARTER LOCKOUT
AVIONICS MASTER
2492582
583
633
585
2233
2057
30
85
86
87
87A
30
85
86
87
87A176
TO
CY
CLI
C(S
EE C
058)
4
5
1
234
235
277
685
284
603283
2280 604
6236 605
3281 239TO INTCMSYSTEM(SEE A060)
284
239
603
1
21358
939
1358
2504
3
4 2504
5
6
TO INTERCOMSYSTEM(SEE A060)
939NAV LTS SWITCH
STROBE LT SWITCH
2038105
AVIONICS SWITCH
2234 2233
BATTERY SWITCH30 65
121104
ECJMDKLBA
1211042038
1052233223465
D049-6HARNESSASSY
2388OPT’LFWD STROBE
105
121
30
666
513
TO COMX’CVR
200201
CIRCUITBREAKER LT
COMPASSLIGHT
126
G196LT ASSY
2289
2
1
3
4
125 (WHT)
126 (BLU)
INSTRUMENT LIGHT
2290
RED
BLK
127
3131
OFFR
LBOTHSTART
A661 IGNITION SWITCH
TERMINALJUMPER
54
BAT.
S
R
BO
LR
L
31
584
634
16
166
164
15
121C1-19
107
ALTERNATOR SWITCH19 18
RS
1819
50 ohm 10W
BLK
BLU
RED
125
127
1213 13
1213
1213
CNC
NO
24872488
2488THROTTLE LT
2487
FULL THROTTLE SW
C1-12
C2-31
2489
3A
29
2492
2233
PILOT SEATBACKCOMPARTMENT
2488
65
12
1213
6665
2488
TO RADIO"KEEP ALIVE"
B304 ASSY PROVISIONSFOR RADIO “KEEP ALIVE”
3A
C ON
OFF
C ON
OFF
C ON
OFF
C ON
OFF
C ON
OFF
121
93
92
204
577
127125
4GREEN 2328
1
2
NO
NC
C
1
2
96
96EXTENSION LIMIT SWITCH
96
100
98
96
22
581
580
14
141414
102
581
580
507
22
A060-12 COM INSTALLATION
A045-4 CIRCUIT BREAKERINSTALLATION
A036-9 ELECTRICAL COMPONENTS INSTALLATION
A067-2 ELECTRICALHARNESS INSTALLATION
CONSOLELIGHT
DIMMER
DIMMERCONTROL
934
121
933
932
931
1
4
5
6
3
2122
LOW RPMWARNING
HORN78
79
78
8 8
133
PILOT SEATBACKCOMPARTMENTA024 REV BL
Page 14.66 Chapter 14 Electrical and Avionics Systems OCT 2018
FIGURE 14-40 R22 ELECTRICAL SYSTEM INSTALLATION(A024 Revision BL shown)
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.67
FIGURE 14-41 A804-12 & -13 TRANSPONDER SCHEMATIC (GARMIN GTX 330 ES)
Page 14.68 Chapter 14 Electrical and Avionics Systems OCT 2018
FIGURE 14-42 A804-12 & -13 TRANSPONDER SCHEMATIC (GARMIN GTX 330 ES; EARLIER SHIPS)
FIGURE 14-43 C800-1 ASPEN PFD ELECTRICAL SCHEMATIC
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.69
Page 14.70 Chapter 14 Electrical and Avionics Systems OCT 2018
FIGURE 14-44 C800-1 ASPEN PFD ELECTRICAL SCHEMATIC (EARLIER SHIPS)
FIGURE 14-45 C802-2, -3, & -4 COM RADIO SCHEMATIC (GARMIN GTR/GNC 225B)
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.71
Page 14.72 Chapter 14 Electrical and Avionics Systems OCT 2018
FIGURE 14-46 C802-2 & -3 COM RADIO SCHEMATIC (GARMIN GTR 225B; EARLIER SHIPS)
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.73
FIGURE 14-47 C822-1 AUDIO CONTROL SCHEMATIC (GARMIN GMA 350HC)
Page 14.74 Chapter 14 Electrical and Avionics Systems OCT 2018
FIGURE 14-48 C822-1 AUDIO CONTROL SCHEMATIC (GARMIN GMA 350H; EARLIER SHIPS
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.75
FIGURE 14-49 C831 GPS SCHEMATIC (GARMIN GTN 600 SERIES)
Page 14.76 Chapter 14 Electrical and Avionics Systems OCT 2018
FIGURE 14-50 C831 GPS SCHEMATIC (GARMIN GTN 600 SERIES; EARLIER SHIPS)
OCT 2018 Chapter 14 Electrical and Avionics Systems Page 14.77
FIGURE 14-51 C833 GPS SCHEMATIC (GARMIN 400 SERIES)
Intentionally Blank
Page 14.78 Chapter 14 Electrical and Avionics Systems OCT 2018