aaa service manual

20
97M Code No.0080 DATE OF ISSUE 8/1992 -T Aaa SERVICE _MANUAL dq, SIC CD MECHANISM: “KSM=2101A5M ow TPE Y. WU COMPACT DISC PLAYER @DX N350M is the Compact Disc Player SPECIFICATIONS which is connected to XS —N350M, CX 350M only. ae . . Disc Compact disc @DX N351M is the Compact Disc Player Scanning method Non-contact optical scanner which is connected to CX —N351M only. a eae applicatio ©DX N352M is the Compact Disc Player Laser Semiconductor laser 2 : (A= 750-800 nm) which is connected to CX -N352M only. Rotation speed Approx. 500 rpom—200 rpm (CLV) Error correction Cross Interleave, Reed Solomon code No. of channels 2channels D-A conversion 1-bit DAC Wow/Flutter Unmeasurable Signal to noise ratio 92 dB (1 kHz, 0dB) Harmonic distortion 0.01% (1kHz, 0dB) Low pass filter 8times digital filter + active filter Dimensions (WxHxD) 260 x 90 x 316.5 mm (10%/s x 35/8 x 12/2 in) Weight 2.8 kg(6.17 Ib) @ Design and specifications are subject to change without notice. AIWA CO.,LTD. Tokyo Japan Printed in Japan

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Page 1: Aaa SERVICE MANUAL

97M Code No.0080 DATE OF ISSUE 8/1992 -T

Aaa

SERVICE _MANUAL dq, SIC CD MECHANISM: “KSM=2101A5M ow TPE Y. WU

COMPACT DISC PLAYER

@ DX — N350M is the Compact Disc Player SPECIFICATIONS which is connected to XS —N350M, CX — 350M only.

ae . . Disc Compact disc @ DX N351M is the Compact Disc Player Scanning method Non-contact optical scanner which is connected to CX —N351M only. a eae

applicatio © DX — N352M is the Compact Disc Player Laser Semiconductor laser

2 : (A = 750-800 nm) which is connected to CX -N352M only. Rotation speed Approx. 500 rpom—200 rpm (CLV)

Error correction Cross Interleave, Reed Solomon

code

No. of channels 2 channels D-A conversion 1-bit DAC

Wow/Flutter Unmeasurable Signal to noise ratio 92 dB (1 kHz, 0 dB)

Harmonic distortion 0.01% (1 kHz, 0 dB)

Low pass filter 8 times digital filter + active filter Dimensions (WxHxD)

260 x 90 x 316.5 mm (10%/s x 35/8 x 12/2 in)

Weight 2.8 kg (6.17 Ib)

@ Design and specifications are subject to change without notice.

AIWA CO.,LTD. Tokyo Japan Printed in Japan

Page 2: Aaa SERVICE MANUAL

CAUTIONS WHEN SERVICING

Model DX-N350M, N351M and N352M do not have a power circuit. These equipment

use a 9-pin flat cable to receive the power supply and to output and input signals.

When servicing these equipment, connect them to the devices as shown in Table 1.

If the equipment in Table 1 is not available, follow the procedure below.

[Repairing a single machine]

@ Supply the following voltage to each terminal from the exterminal power supply.

CON101

6} OUTPUT (Lch)

(2) (3) OUTPUT (Rch) (A) GND (Signal system)

S) 6) es (8) GND

(Q) + 12V

@) Multi Power Connection diagram (LPS- 9088)

Connect the multi-conversion harness for F550

to the 9-pin FG connector (87-009-877-01).

Yl

®) @ Q)

DX-N350M ~#— 4 —? Multi power supply

N351M ©

N352M ®)

Q)

OBOQGEOOSEGOOHOOO

Connect diagram of multi — conversion harness.

Upper Upper Upper Upper Upper

stage stage stage stage stage

Table 1

DX — N350M 4

XS — N350M CX — N350M DX — N351M

{ CX — N351M

DX — N352M

$ CX — N352M

Short bar

Jumper cable

Pin plug’s ground cable

Power output terminal

Relay terminal

Pin jack

External equipment

(amplifier, etc.)

Upper

stage

Page 3: Aaa SERVICE MANUAL

DISASSEMBLY INSTRUCTIONS

1. “Cabinet, Steel” and “Plate, Bottom” Removal

(See Figure — 1) “Ay

1) Remove 5 screws (@) and remove the SD SS ®

“Cabinet, Steel”. -

2) Remove 6 screws (@x5,©@x 1) and remove the

“Plate, Bottom”. ® |

Plate, Bottom

2. “Cabinet, Front” Removal (See Figure — 2)

1) Open the “Tray”. Connect the power supply to the

“Motor, Loading” and open the “Tray”.

1-1) As shown in the figure, supply power (DC5V) to

the “Motor, Loading” and open the tray.

2) Remove the “Panel, Tray” in the direction of the

Fig — 1

arrow Q).

3) Remove the connector (CON607).

4) Remove 2 hooks in the direction of the arrow @ and ? Main Circuit Board remove the “Cabinet, Front” in the direction of the |

arrow @), Solder Point

Solder Point

Power Supply PIN

fo oe

- SZ Motor, Loading (M102)

| Cabinet, Front . ae

Connector (CON607) 3. “Main C.B” Removal (See Figure -— 3) Stes

1) Remove screw (@). '@

2) Desolder the two points on the “Motor, Loading”.

3) Remove 6 hooks and remove the “Main C.B”.

4) Remove 8 connectors (CON601, CON602, CON603, Solder Point

CON604, CON801, CON802, CON301, CON302). Motor, Loading

Ny

\ ws

Hook

BX

Main C.B

Page 4: Aaa SERVICE MANUAL

PROTECTION OF EYES FROM LASER

This set employs laser. Therefore, be sure to follow carefully the instructions below when servicing.

WARNING!!

WHEN SERVICING, DO NOT APPROACH THE LASER EXiT WITH THE EYE TOO CLOSELY. IN CASE IT IS NECESSARY TO CONFIRM LASER BEAM EMISSION. BE SURE TO OBSERVE FROM A DISTANCE OF MORE THAN 30cm FROM THE SURFACE OF THE OBJECTIVE LENS ON THE OPTICAL PICK-UP BLOCK.

m Caution: Invisible taser radiation when

open and interlocks defeated avoid expo- sure to beam.

m Advarsel: Usynlig !aserstraling ved abning, nar sikkerhedsafbrydere er ude af funktion.

Undga udseettelse for straling.

VAROITUS! Laiteen Kayttaminen muulla kuin tassa kayttéohjeessa mainit- ulla tavalla saattaa altistaa kayt-tajan turvallisuusluokan 1 ylittavalie nakymattémalle lasersateilylle.

VARNING! Om apparaten anvands pa annat satt 4n vad som specificeras i denna bruksanvisning, kan anvandaren utsattas fér osynlig

laserstralning, som éverskrider gransen fér laserklass 1.

Precaution to replace Optical block

(KSS — 210A)

Body or clothes electrostatic potential could

ruin laser diode in the optical block. Be sure to

ground body and workbench, and make sure the

clothes do not touch the diode.

1) After the connection, remove the solder

shown in the right figure.

Mi ACCESSORIES PACKAGE LIST

PART NO. REF. CHANGED TO NO.

1 *81-VM1-901-110

PART NO.

BEAM DURING SERVICING

ff fT TETEELY

Ya SEOBEEE LLY gts

vA

CAUTION

Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radi- ation exposure.

ATTENTION

U'utilisation de commandes, réglages ou procédures autres que ceux specifiés peut entrainer une dangereuse exposition aux radiations.

This Compact Disc player is classified as a CLASS 1 LASER product.

The CLASS 1 LASER PRODUCT label is located on the rear exterior.

CLASS 1 LASER PRODUCT

LUOKAN 1 LASERLAITE

KLASS 1 LASER APPARAT

PICK-UP Assy P.C.B

. ; yu” py Le 4% U y Z : le ZILLI Wie;

Aue Be ay A

A Y

AY

Z

Z,

MMON DESCRIPTION COMMON aty MODEL.

INSTRUCTION BOOKLET, UH |

CO PICK-UP Aasy

Page 5: Aaa SERVICE MANUAL

ELECTRICAL MAIN PARTS LIST

REF. NO. PART NO.

=== | ===

87-002-639-010 87-001-184-010 87-001-400-010 87-001-944-010

81-VM1-636-010 87-002-211-010 87-002-394-010 87--002-348-010

87-020-881-010 87-002-448-010

---TRANS | STOR===

89-112-964~010 89-113-187-010 89 213-702-010 89-318-154-010

89 -325-002-010 89- 406-555-010 87-026-572-010 87-026-486-010

87-026-218-010

===D/ODE===

87~020-870-010 87-020-465-010 87-002-608-010 87-002-850-010

87-027-555-010 87-027-652-010

DESCRIPTION

IC, BA6296FP IC, CXA1081S IC, CXA1082S IC, CXD11670

IC, CXP50120-1 450 IC, GPIF32T (DIGITAL OUT) iC, LBI641 1C, NJM4580D

IC, NUM78LO5A IC, TC9237N

TRANSISTOR, 2SA1296Y TRANSISTOR, 2SA1318TU TRANSISTOR, 25B1370E TRANSISTOR, 2SC1815Y

TRANSISTOR, 2SC2500 TRANSISTOR, 2SD655E TRANSISTOR, DTAI14TS TRANSISTOR, DTAI44TS

TRANSISTOR, DTC144ES

DIODE, 151585 DIODE, 1$$133 DIODE, DSFIOTC DIODE, ZENER HZ4B2

DIODE, ZENER HZ5C2 DIODE, ZENER HZ9A1L

===MAIN CIRCUIT BOARD SECTION===

C101 C102 C103 C104

Ci07 C108 C109 C110

Ci C112 Cit3. Cil4

C115 C116 Cli7 C118

C119 C120 C12) C122

C130 C20) C202 C203

C207 C211 C212 C213

C216 C220 C221 C222

% 87-010-405-010 %&87-010-405-010 *%&87-018-126-010 *% 87-018-126-010

%& 87-018-113-010 %& 87-018-113-010 %&87-018-117-010 %&87-018-117-010

#%87-018-113-010 %87-018-113-010 %&87-010-404-010 %87-018-134-010

%&87-018-134-010 *%87-010-260-010 %&87-010-263-010 *%&87-010-263-010

%87-018-113-010 *%&87-018-113-010 *&87-018-134-010 %&87-010-263-010

*%87-018-209-010 %&87-018-132-010 %87-018-134-010 % 87-018-202-010

*%87-010-405-010 %87-018-199-010 %&87-010-403-010 %&87-010-382-010

*%87-010-374-010 *%87-018-133-010 %&87-010-401-010 *%&87-010-401-010

4 87-018-134-010 %87-018-134-010 %&87-018-134-010

CAP, ELECT 10-50 SME CAP, ELECT 10-50 SME CAP, CERA-SOL SS 390P-50 B CAP, CERA-SOL SS 390P-50 B

CAP, CERA-SOL SS 33P-50 SL CAP, CERA-SOL SS 33P-50 SL CAP, CERA-SOL SS 68P-50 SL CAP, CERA-SOL SS 68P-50 SL

CAP, CERA-SOL SS 33P-50 SL CAP, CERA-SOL SS 33P-50 SL CAP, ELECT 4. 7-50 SME CAP, CERA-SOL SS 0.01-16 Y

CAP, CERA-SOL SS 0. 01-16 Y CAP, ELECT 47-25 SME CAP, ELECT 100-10 CAP, ELECT 100-10

CAP, CERA-SOL SS 33P-50 SL CAP, CERA-SOL SS 33P-50 SL CAP, CERA-SOL SS 0. 01-16 Y CAP, ELECT 100-10

CAP, CERA-SOL SS 0. 1-50 F CAP, CERA-SOL SS 2200P-16 X CAP, CERA-SOL SS 0.01-16 Y CAP, CERA-SOL SS 6800P-16 X

CAP, ELECT 10-50 SME CAP, CERA-SOL SS 3300P-16 X CAP, ELECT 3. 3-50 SME CAP, ELECT 22-25 SME

CAP, ELECT 47-10 CAP, CERA-SOL SS 4700P-16 X CAP, ELECT 1-50 SME CAP, ELECT 1-50 SME

CAP, CERA-SOL SS 0. 01-16 Y CAP, CERA-SOL SS 0. 01-16 Y CAP, CERA-SOL SS 0. 01-16 Y

REF. NO.

C EMI 101 EMI 102

PART NO.

*%&87-010-400-010 %&87-018-132-010 *%&87-010-374-010 *&87-010-374-010

*%87-018-134-010 %&87-010-374-010 %87-010-263-010 *%&87-018-134-010

%&87-010-400-010 *%87-018-134-010 4% 87-018-131-010 *%87-010-260-010

*87-018-209-010 4 87-018-134-010 %87-010-405-010 *%&87-010-374-010

*%&87-018-134-010 %87-018-134-010 %&87-010-260-010 %&87-010-406-010

%87-018-134-010 %&87-018~-200-010 %87-010-263-010 %&87-018-134-010

*%&87-010-221-010 %&87-010-260-010 *%&87-010-263-010 %&87-010-370-010

%&87-018-115-010 *%&87-018-115-010 %&87-018-115-010 %&87-018-115-010

%&87-018-128-010 *%&87-018-134-010 %&87-018-128-010 %&87-010-404-010

*%&87-018-131-010 4 87-018-131-010 %87-008-372-010 %&87-008-372-010

EMI 103%87-008-372-010 EM1104%87-008-372-010 F101 FLIO1

L301 L401 L502 L801

M102 R410 R412

A\RS5O7

A\R522 SFRI01 SFR103 SFR301

SFR302 X102

%87-008-394-010 %81-VM1 -637-010

%&87-003-147-010 %&87-003-147-010 4% 87-007-311-010 %87-003-147-010

87-045-305-010 %&87-025-407-010 %87-025-407-010 %&87-029-129-010

%87-029-129-010 *%&87-024-169-010 %&87-024-173-010 %&87-024-173-010

%87-024-173-010 %&87-030-270-010

DESCRIPTION

CAP, ELECT 0. 47-50 SME CAP, CERA-SOL SS 2200P-16 X CAP, ELECT 47-10 CAP, ELECT 47-10

CAP, CERA-SOL SS 0. 01-16 Y CAP, ELECT 47-10 CAP, ELECT 100-10 CAP, CERA-SOL SS 0.01-16 Y

CAP, ELECT 0. 47-50 SME CAP, CERA-SOL SS 0.01-16 Y CAP, CERA-SOL SS 1000P-50 B CAP, ELECT 47-25 SME

CAP, CERA-SOL SS 0. 1-50 F CAP, CERA-SOL SS 0. 01-16 Y CAP, ELECT 10-50 SME CAP, ELECT 47-10

CAP, CERA-SOL SS 0.01-16 Y CAP, CERA-SOL SS 0. 01-16 Y CAP, ELECT 47-25 SME CAP, ELECT 22-50 SME

CAP, CERA-SOL SS 0.01-16 Y CAP, CERA-SOL SS 3900P-16 X CAP, ELECT 100-10 CAP, CERA-SOL SS 0.01-16 Y

CAP, ELECT 470-10 CAP, ELECT 47-25 SME CAP, ELECT 100-10 CAP, ELECT 330-6. 3 SME

CAP, CERA-SOL SS 47P-50 SL CAP, CERA-SOL SS 47P-50 SL CAP, CERA-SOL SS 47P-50 SL CAP, CERA-SOL SS 47P-50 SL

CAP, CERA-SOL SS 560P-50 B CAP, CERA-SOL SS 0.01-16 Y CAP, CERA-SOL SS 560P-50 B CAP, ELECT 4. 7-50 SME

CAP, CERA-SOL SS 1000P-50 B CAP, CERA~SOL SS 1000P-50 B FILTER, EM! BL OIRNI FILTER, EM! BL OIRNI

FILTER, EM! BL OIRNI FILTER, EM] BL OIRNI FILTER, CERAMIC CST 4. 1SMGW FL, 7BT-171GK (DISPLAY)

COIL, 22UH COIL, 22UH COIL, OSC DDCON V COIL, 22UH

MOTOR, RF- sal MOTOR) RES, MF 100K-1/8W RES, MF 100K~-1/8W RES, FUSE 3. 3-1/4W

RES, FUSE 3. 3-1/4W SFR, 2. 2K SFR, 22K SFR, 22K

SFR, 22K XTAL RESONATOR 16. 9344MHZ

===TACT-1 CIRCUIT BOARD SECTION===

LED701

LED702 LED703 LED704

SW701 SW702 SW703

89-VW5-606-010

89-VW5-606-010 89-VW5-606-010 89-VW5-606-010

87-036-215-010 87-036-215-010 87-036-215-010

LED, SLH~38MC, 70F-90 (PB EPLAY/PAUSE)

LED, SLH-38MC, 70F-90 (>> /Pp) LED, SLH-38MC, 70F-90 (44/44) LED, SLH-38MC, 70F-90 (ll)

TACT SW(D TACT SW(P>BEPLAY/PAUSE) TACT SW (b> /Dp)

Page 6: Aaa SERVICE MANUAL

REF. NO.

oW704

~==TACT-

SW705 SW706 S707 S708

SW709 SW710 oW711 OW712

OW7T3

z= TACT~

SW714 SW715 SW716 OW717

SW718 OW719

PART NO.

87- 036-215-010

DESCRIPTION

TACT SW(K4/ 44)

2 CIRCUIT BOARD SECTION===

87--036-215-010 87-036-215-010 87-036-215-010 87-036-215-010

87-036-215-010 87-036-215-010 87 036-215-010 87 036-215-010

87-036-215-010

TACT SW (POWER) TACT SW(RANDOM) TACT SW(PRGM) TACT SW (REPEAT)

TACT SW(T-PRGM) TACT SW(DELETE) TACT SW(DISPLAY) TACT SWC(AL EDIT)

TACT SW(CONT EDIT)

3 CIRCUIT BOARD SECTION===

87~-036-215-010 87-036-215-010 87-036-215-010 87-036-215-010

87-036-215-010 87-036-215-010

TACT SW(1) TACT SW( 4 OPEN/CLOSE) TACT SW(DISC CHANGE) TACT SW(DISC SKIP)

TACT SW(3) TACT SW(2)

===PHOTO CIRCUIT BOARD SECTION===

PHOO| 87-026-573-010 P-SENSOR, GP1S53V

---MOTOR 1 CIRCUIT BOARD SECTION-=-

87-045-305-010 MOTOR, RF-SOOTB(TURN TABLE MOTOR)

---MOTOR-2 CIRCUIT BOARD SECTION===

9X-262-513-210 MOTOR GEAR ASSY (SLED) 9X-262-513-310 MOTOR ASSY (W/CHASSIS, T. T)

M101

MIQ3 M104

SW10] 91-572-085-110 (SPINDLE)

LEAF SWCINSIDE LIMIT)

===SWITCH-1 CIRCUIT BOARD SECTION===

87-036-109-010 PUSH, SW(CLOSE SW)

===SWITCH-2 CIRCUIT BOARD SECTION===

87-036-271-010 LEVER, SW(UP/DOWN SW)

===SWITCH-3 CERCUIT BOARD SECTION===

87-036-271-010 LEVER, SWCOPEN SW)

===Mi SCELLANEOQUS===

98 -848-127-110 OPTICAL PICK UP KSS-210A %&89--VT5-202-010 BUSHING, CORD

CONT01 %&81-VM1-647-010 WIRE ASSY, 9P FG

SWH03

SW601

SW602

TRANSISTOR ILLUSTRATION

aa

E Cc 8B BEE ECB ECB

2SA1296 2SB1370 2502500 DTA114

29A1318 DTA144

2SC1815 DTC144

250655

Page 7: Aaa SERVICE MANUAL

BLOCK DIAGRAM

MECHANISM KSM-2101ABM

| OPTICAL PICK UP C301 KSS-210A CXA1081S

RF AMP ; ° C104

VR 1 | SERVO SIGNAL PROCESSOR TPS TP4 ee

J DIGITAL

ne TP2 TPI ~ OUT

i . {C103 ; (OPTICAL)

TC9237N D/A CONVERTER

+ Ut <

©OG

2 CONIO}

(1) L CH

(2) GND

R CH

GND

GND

(3)

(4)

(s) (6)| SYNC 1/0

&

(8)

(3)

[C102 IC 101 NJM45800 NJM45808

LPF LPF 1C401

CXP 11670

be all =

eet SFR301 SFR301 one DIGITAL SIGNAL PROCESSOR

y RACKING /CLV/HF PLL SERVO

BALANCE

ADJ.

Focus ¢ 1

coIL §

I

I

1

Q514

i 1

t

!

I

TO AMP

REMOTE

GNB

Q101.102 +12V MUT ING

SUBQ

(oi

SUBQ (3)

INVERTER [C501 NJM78M0SA

@506 _ +5¥ (1) (3)

SLEQ (M) 1 (17) SLEO © SLED (9 RESET 7 .

(gore in ° (18) SLEA ©

|

por inere oO (2) +8V REG

nerOn * (11) SPINBLEO (3)

SWwl0] 1C801 FOCUS. TRACKING 2) .

INS IE : i VREF BAé296FP COIL BRIVER/ es Q511.512]

| SLED. SPINOLE OSC - |

LiMtT MOTOR DRIVER W) SWITCH . 1C601 (8)

CXP501 20-1450 (3)

: st ON _ a ee mar eae jpg ccs as FOCUS/TRACK ING/ he = OSC/COIL

- SLEB/CLV/PLL SERVO fC. CONV

7BT-171GK

DISPLAY

+5V PH601

(1) (3) KEY MATRIX i Si PHOTO SENSOR aa sw701

: hae SW719 SW603 |

(CLOSE SW) cs LEN703 LE8704 +12V LE8703 LE8704

SW602 Q510 Td ove ered] [oe]

(OPEN SW) ae LED SW LED 702 LED702

: 63 wr] LeMOr SW60 1 o— MB ON P-LEO ee a LE8701

(UP/DOWN SW) ee © LED SW LEN701 [ pat |

Page 8: Aaa SERVICE MANUAL

WIRING 1

i r ?

i | = | ICK UP ASSY

. | 2 of} ze SW | TCH | olds 3/03 ZO

J > N) ") rea teak OF -z|s S6

Sw4S503 | | of? oO

CLOSE ) Ff ey} 2 7 SWITCH 8 8

lentia | TO fA] MAIN C.B jCONé03

3 PIN601 oO N

B CONGO || TO [A] MAIN C.B mf rs) Ls PIN603 Sim pe

a L? Yaq re 5 5 LW us omne) ace 2 ageavmrerentea a

Lea peepee

Sw601 pee PIN606 UP/DOWN cece SWITCH | l i ! | ! 1 | | ! | i I ! | ! ! ! | |

M101

(TURN TABLE MOTOR ) SE TRAE RID % I] SWITCH-2 €.B

wg

J| WIT CARAS Rf ay Sreaseses enn cee

Prentice a Arcee

LOADING

m re) Zz < = ( = aD o

— ND PIN802

N oO je) A Oo =)

D SW602 Switch) eon SWwITCh NSO:

Fi MOTOR-1 C.8

CON101 5 heaencansetbtcmenenenteeerrn o

= apne E] PHOTO C.B N

z

" i268 768 7 ° is CON302 i

Z FROM PICK UP ASSY AT eu1o1

MAIN C.B PIN604

ee ge pa See aa ny eae me sae ees eee ety er Sony “ny Sa. Spy, Sony yee eet ek es heme, cane. Some wee, cae Gere amy wags dine eam: emma Se OG ame oy OSS ee row Gene ease, Owe ones Lene es: Sin ct ess eet come Ses bus cei ced a 04 ‘ jet oot eam inktt ook a eoreen

Lagat SLES | Sw705 C TAL TZ C e B

| SW101

INSI QE LOUMS T: SWITCH

Jos Vo wi tabitenceammmencneananshe Fi:

Petes ias 3 ‘s

di { : . ; 4 : ‘ eee, ve a

A ae rs We oP i A GTS Lh ehh $34 7 nf ¥ s f ; . ek & BM ; ee COMA me EME i¢ : ' ~ - ATTA bata

; seid Pe ee PFE yee3 he ; ; pet & y LEILA Sm Renee PLA: RG, wise"

Ra BmRoUmE PE Se

TAZ LRT Rare bee eos Dold

SW708 SW707 SW70& Sw709

os REPEAT

SW713 SW712 SW711 SW710

--~--- DISPLAY/|DELETE

LED701 7

SW702_“Sw701 Pca om ae ee eee arom ee rd Ein rie ne MN aN PLAY/PAUSE _ cog |e ee , pe amae) fe | 1B] TACT-1 C.B (J104) (>| * eS EAN eaaene Sane yg = rage Ae ae GRECO ted.

cp DIGITAL

OUT

(OPTICAL)

a

pies ra be

TO PIN6044 TO PIN8024 4&TO PIN603 TO PIN602 4 RTO PIN601 & 13 1 2 ee: co Si

by) TACT-4 ¥ B ES, FROM coneoal FROM filedueos! CON60 CON601 ° PHOTO C.B MOTOR-1 C.B SWITCH-T C.B PIN603 SWITCH-3 C.B FROM [i] SWITCH-2 C.B

MAIN C.B a a ee ne a ee ee a a a a a a ae ee ee es ee

LE®702 LE8703 s SW703 SW7 04

1 0 34 >> / >P Kd /<4 oO

ne i ss alk a a es ee Sl ee ee ee el SW715 SW716 SW717 r—_—— BESE RECT PLAY——]

DISC CHANGE BISC SKIP SW718 Sw7 14[(1]

Page 9: Aaa SERVICE MANUAL

SCHEMATIC DIAGRAM

‘A| MAIM C.B C104

GPIF32T ; . | (3104) | ey is CB03 470

| oO troP C118 100710 6)

DIGITAL ie Ril D/A CONVERTER = ; passes Ss

ee @ SS] aos 3.2 us gee Sy eae FLio1 yyy StANDaY (BEL TOISES) (GLARE) | (EOrH) an | over ‘ =]

(OPTICAL) Y) Re eS Tc9237N 9-9! DISPLAY Aig ee s

R102 C102 Rti2 C108 33 35k 7TBI-171GK Zz \~-? \ cmmanr aan, ramones,

2.2k 10/30 K 1 3.9K 33P : lan i) Erccr sy ii tui Pi ti.0 a | x

~— — —, cou caw maaage a | % (d) id) Be OW a7oOo-o S x© (8) (7) (4) aa ee Saati

3 ~oO

aa

—_ Oo = CxXH 1167 Q 51132)

Lie ion pa

[C401

ve 73) VAD BIGITAL SIGNAL PROCESSOR (74) DA12 /CLV/HF PLL SERVO

Raor 1007S) BAIS | (76) PAl4 .

1102 NJM45808

R105 100K

: E es LOADING

es 3S

[C803 LB1641 no

MOTOR ARIVER ( apts a in 2 csthe a Yu

_ us

= ~ a 2 ~ ~

ie

+ 7 3% ae CXP-50120-1450 (74)

CPU [Cé01 (72) :

a Ge ee ee ee R643

Loe eae 2) 1 — ae : ee ee eae ie a Se a a ee RGSS |

S [C802 LBI641 cee SURRY AE! GOD SECNPEST TA) Cel SNEED eae Pee aes BO Ao Ae Ine Een Oa Ee 7,

ioewr 7 ~ 3 MOTOR ®RIVER ETH eo ne?

SSI TCH=3 C.B 0; iz Sa Ses et ORS a aa eee es

(switch) sw602 @ Ce mee All| nd init

—-——_- 2 Seeeeee ee

; (H| swt asees C.B oO; init a aoe cs 9 BUS Ea ES sone eas ae

L ‘i ones eRe ISS SEER od

(svi TCH) 4603 [2 yp HTH et 7 i ee of emma ene a |

— — 3 ft f ! ‘ Hl i t

] SWITCH-2 C Bo ; {|e SE0D a2 = -2 C. 0'O een a te ie eee,

UP/DOWN \ sao 2 te} . BTAI44TS. eee a oe os a its he ae ei 2

i Gms Q602 SWITCH wo Ps (=)

i ) invertor Qe) R420 3 [8 id

Q201, 202 VCO RANGE SELECTOR

R213 100K TURN. \ >) oy

I ( TABLE Sai 2]

MOTOR CON802 | a _RF-S00TB

-d TTA,

eee oe ee er ee ere =

MECHANISM : KSM-2101 ABM

[G] MOTOR-2 [3 C.B S

SPINOLE\ -(4)- sds (SEUNBLE) (OT

SLED =m" MlLO3p—4 PX

z..

fan im Q601

PIC144ES INVERTOR |

Ay

re ||| | Petree , =

—, | a 7 LUT) firmer es Grete. g

c= fir =— .

| |

| |

1

| | | 0,9

OSC COIL | 2112) BC CONV. :

| [C201 FOCUS/TRACK ING/SLE® ; com

| rotor } eee /CLV/HF PLL SERVO I: So 1d ki

SWidl p=4 p 7 !

| INSIOE\ [~~ ee =e 12V ¢

! = s|© = oy mx S

| = aR: = | % [RANDOM] Es fr :

| r I is o ; S Sw706 | S| SwW7!! ¢

H oO ~OM ue ~te

i @& = ' ~ == prow | oe leon =4 s hk = hae Re —_ > —_ = ere

| we % et CUS =| 9506. 507 az Oo 0 axe OO

= ie = or es ADS ES 151585 ; sx | W707 | x | SW7I2 gees

: : OC nis HES ames | suiesan 70°-90] a “Sle Tom |

: So S$w705 =

! > LORE 7 3 :

| | PP 4 5708 Sw7 13 W714 é

| OCrmas @| = CON605 CON606 a AT no

14 : SIESTA) 2 jis) OG) GS) ye 2 Pa

{ FOCUS ¢ O.S STN FE AAS AD MER SEI aT Ere Ean aaa RR eRTCaaTON GER

| con © | —f7H7}— |e3s smettley _) GS) ee) oC

: - o O meer ~ Sarr 6 ‘

is

{se} td

| TRACKING ¢ | KA) Y Y TP8 {TPS a

| I coe ‘ eS wee | BIC144ES

rye) O

| | _petecton. {8 | 1/0 ae | i A 8 f 8 | 8 |

——————————_— SS SS ee ee

oe ped bo TRACK ING | alo™ BALANCE

| a ie 50} pas Ad.

| : 9) So mnem Hs] 9502 : | pes ele 25C1815Y CONIO} |

St ee Bie 9508 REG. TO_AMP -——_—— -

! LP BICI44ES Mala “cs Se lacie t @

:

| PIN302 POWER NTROL

| PICK UP KSS-210A co

| bee ——_ — | nanan - ee —_— | emennenened — Ee —=_ | ceeneeeeeneeenall - SEE —_ ———EEEEe -_ —_ Eee SE —_ ates aeeeeetiennaiianiteieneinanll D ciaal PLE LIES EMIT — LRAT TLE IIT =

| ;

|

Page 10: Aaa SERVICE MANUAL

C803 472 C118 100710 R126 100 @)

al 12) FLION

DISPLAY O, 7BT-171GK f O84, cepaaeke

7; RANDOM He REPEAT |

4 220 CxO 1167 Q

[C401

BIGITAL SIGNAL PROCESSOR

/CLV/HF PLL SERVO

X101 CST4. 1 9MHz

CXP-50120-1450

CPU 1Cé01 —<sv

L801 22H

|

|]

BOG : (-) FSW

MON MDP Mas EFM ASY

Ee

i ET a an SIL —={5V | |

a ina Ge ee tt aera aa a ae 1 Os ee eas ed Na) GTS Cae Ea Ee Oa Ere Per fears a SSS ae ae

Si

Q201. 202 VCO RANGE SELECTOR

R213 100K

an se C215 0.01@)

R214 470

T-PRGM TACT-1 CB [Cc] TACT-2 C,B

1C20! FOCUS/TRACKING/SLED /CLV/HF PLL SERVO

|

| ry y O) ()

5 12V SW701 SW710 o> OW.

a, & PLAY/ me alia PAUSE [RANBOM) aes

= cakes , ai. oi i = I O O I O O 0 OC

a > Sw702 SW706 |X] Sw7it

ae eee | 3x asta = [p> pp>| &— + [PRGM | © elas [POWER] te [2 } ot

9506. 507 Oo OC oO oO 151585 SWw703 Sx SW707 J | SW712

j__ LE8701-704 ty 5. 2 SLH-38M™, 70F-90 x: —F (Ebi

{ ; Sw70S : S A

S SW704 SW708 Sw713 CON605 a CON606 NS ae =

4 4 rts) COG) GS) CRO iia Cia OOo SITE eas na

pings 3) (6) (5) Cee) OG) I) ee

0

603 SS

eee eee ee : 4ES ee ee ee

QS! BTC14

(8) GND

(9){+12V

iy CONTO1 |

9508 SS gle Or pea BIC144ES° POWER

CONTROL

12

WAVE FORM

o

13

| Pe eee 0 aa,

VP-P SHOULO BE APPROX. 1.4x,

WHEN PLAYING TRACK-2 OF YEDS-18.

150mvV Q

200mV/OIV

2mS/D1V

AT FOCUS SEARCH = 1.5 (V)

|

AMAL AAA AAA WV Vy Vive ae a VV S00mV/OIV

tmS/DIV

(WHEN VOD ON WITHOUT O!SC AND TRAY 1S CLOSED.)

pa roe ee Se 0.6s 1.26

ie

0

2V/01V 88. 2KHZ

SUS/OIV

2.11 68MHZ

NAA i ne

0.2US/HIV

4V

0

2.5V 16.9344MHZ

- 2.24

ee

0. 1US/OIY

Page 11: Aaa SERVICE MANUAL

iC DESCRIPTION

o) Q x< e O = ”

Pin Name Description \ © “gd

m— F ee o— | tee ad

~) ws _

~ | o ~~} © Zz

RFil

RFO

The RF summing amplifier output is C-connected and input.

RF summing amplifier output. Eye pattern test point.

Inverting input of the RF summing amplifier.

A feedback resistor is connected between pins 2 and 3.

P/N Switches the input according to the polarity of the laser diode. (Not used. )

‘ey a ‘s) s) Output to contro] the laser diode output

Connects the photo-detector which detects the laser diode output.

RF1-¥ amplifier (1) inverting input.

Connected to PIN diode A + C for the current intput.

RFI-¥ amplifier (2) inverting input.

Connected to PIN diode B + D for the current input.

Reference voltage input within the IC. Connected to pin 14 with single power

supply.

Connected to the ground with the positive and negative power supply.

FI-¥ amplifier inverting input.

Connected to PIN diode F for the current input.

~ 3

I ©

Zz °o

E1-¥ amplifier inverting input.

Connected to PIN diode E for the current input. ry _

E1-¥ amplifier output. A feedback resistor is connected.

Adjusts the El-¥ amplifier gain

Outputs the neutral voltage. Connected to pin 9 with the single power supply.

OPEN with positive and negative power supply. VR

pos | cer fo Defect dotton hold (1) output. A capacitor ts connected between pins 18 and 16.

[16 =| cca _{_1 | Te defect bottoe (1) output is C-conected and input.

17

14

<

Grounded with the single power supply. Becomes a negative power supply with

the positive and negative power supply. VEE

poe FE BIAS hae eee voltage for the positive-phase input of the focus error

21 DEFECT Defect detection output. Outputs the “H” signal that detects a defect on

the sirror surface.

22 | MTRR | 0 | Mirwrementor ae SSCS [2s [ef | a sirr tn enactor is cammcee espe er ae ae The defect bottom hold (2) capacitor is connected to this pin.

as [ewe [= [ooninteditat crane CSCSC~*Y 26 ASY Auto-symeetry contro! input.

| 27 | EFM | 0 | EFM output comparator output.

J Laser diode ON/OFF control input.

ee Positive power supply. |

~”

IC, CXA1082S

Pin Name

DVEE

DFCT

oO.

poy a &

ATSC

Focus error signa! input terminal

Connected to YREF.

Capacitor is inserted between this pin and pin 3 to decrease the focus servo’s

high-frequency gain.

a“ alle Ss a Oo) 2 lal ts Focus servo's high-frequency gain is selected by FS3 on/off operation.

Time-constant external terminal for raising the focus servo's low-frequency

range. FLB

FEO

FEO

SRCH

TGO

TG2 .

AVCC

TAO

TAO

SL®

SLO

SLO

SSTOP

Terminal for setting the focus tracking's phase compensation peak and CLY LPF

ea (£0). Outputs IC's internal state corresponding to data address. (It is changed

according to address of internal serial register. )

AVEE -5V¥ terminal. (Connected to GND.)

C. OUT Ps0:| Outputs signal for counting number of tracks in high-speed: aode.

Used in one-track jump. Normally "H". "L” when track jusp pulse is inversed.

27 DIRCT Consequently °K” when normal tracking mode is set. “L” in a period when the

rising and falling edges of TZC are detected. (Not used. )

a re ae XR jae es, “L" when ali the interna] register are cleared.

DATA Serial data transmission from CPU. Input started from LSB.

: "L” when data of interna] serial shift register is transi to the jatch OT tao ] g itted to the ]

SENS

eS _ oo Les)

address-decoded.

Sree anion Sk Bie ken nat Oe ewe OR er

Passes a current to determine the focus Search, tracking Jump. anc threading |

kick height. | cee ce

Page 12: Aaa SERVICE MANUAL

er rs re cn tere

Piteg. “Nips bh) SP am Nisa Sho" “ec Die Se Se 1

i |

36 Vor ' ¥CO's free-runnicg frequsccy is proportional “o the resistance value between !

37 35 ches Gin ane Sic ce,

CBE4 | O | 8. S4MHz +CO sutout termina!. |

39 LOCK t | | Connected to the LXK tersinal of CXD1167Q. | | . .

40 MOP To | CXDLi6°2 WP correction :erminal.

t 7 i Feo id wmpn : : P i 4} MON i | CXDLI6°3 WON conrection *2rminal. |

‘ 1

LPF tise-constant exterra. terminal of CLV servo’s error signal.

Spindte drive amplifier’s inversion input tersinal.

P48 | srpto | 0 | Sine wiordriw emia pes f wack | t | wrd stan spel it writ —SSSSCSCSCS~S~S~S a [ee [MER | E | wivor set toot writ

IC, CXP50120 — 1450

Display segment output.

Not used.

Display grid output.

e PHOTO | 1 | PHOTO sensor input.

eed Led Ee cae ee

| PHOTO |

Reset input.

Petuet OOS 35 KEYt

KEY input.

SYNC I/O] Input and output of synchronizing signal with external device. (8 bit serial)

Power S¥ input. Switch of ON/OFF. (STAND BY)

Laser diode ON/OFF output. “L” output when Of

Interruption when subcode SQ + $1 input falls.

Data transfer clock.

Serial data output to DSP.

POW-I

LDON

ths

Page 13: Aaa SERVICE MANUAL

ar [Fok | nets oe tt ot te ome eee owe ee SWECE Tres at ie ry ap are wen iv eed as SWEOF TTP tore tat ayer “Fen ly eee PsP En | 0 | arr om onset “Feat wn ere atin Tse ebose [0 | wr coe aut “For wen close action [ase b-con [0 | main ar are are [se [ito [maaan MuTG | 0 | wei aoe wo SSCS

[ro | sient one oF te pack et 10 Wie Oro wed Oe) Po Po ion

LED

P-LED

System ON/OFF output. "H” output when OFF. (Not used. )

LED lights when CD function. ON when “H".

LED lights when CD function and LED blinks when PLAY. ON when “H”

[ss

se se [so a oe COC et eaeeN MER: ss iT comes te 50S en of R se [Ges | | Frm sn ok seatn lr sipal wt

1 [interstate wen fle ween a Ce

rT Mo] 0 | : ss 3 se 3 |

z 2

ae For TURN TABLE reverse rotation. Rotates when

Eos [0 esis OF tk Owe

Spor | 0 | won Kamm eplifieor is eS

Vss

XTAL

Connected to the GND ni NC [= [ere Ci [eres

SO Vror | — | Peer sly ip for Re iin we

Co

EXTAL

*H”.

For TURN TABLE forward rotation. Rotates when “H”.

AMUTE “L” output when analog mute output ON.

IC, TCG237N

MSB First/LSB First select terminal for input data. “H" when MSB First. “L”

when LSB First.

a ce = [a cmvrer swe aly emia Boheme Co [Rotel oa wit emi oO [ ected ae wut wri = [ok ceverier G0 tenn Gene

s (= [a cert 60 veins hehe a A eae Co [tet a wit ei

es on za A =e :

TEST terminal. Normally set to "H" or OPEN for use.

at 1d 2 er ee Sent Be Pre [vox | — | tector eto nner sy ea

| McK Of OF Systea clock output terminal. 384 fs.

De-eaphasis filter 44.1 kHz/32 kHz/48 kHz mode select

EM1 I terainal. Mode

pa fom fe

ee De-emphasis filter ON/OFF select terminal. "H" when ON. “L" when OFF. p28 pee | ome fi Normal /High speed mode select tersinal. “HT when Normal speed mode. “L” when

High speed mode. (Not used )

SEC ES

Se or

R/L select terminal. R channe! data when "K” and L channel] data input when

"L” during "H” as LRCK signal. L channe] data when "H” and R channel data

input when "L” during "L” as LRCK signal.

Page 14: Aaa SERVICE MANUAL

f . + 1 . Tr j . *

Poo, ey PP a. SNe ie 1/46 Description

ae. a Spindle motor ON/OFF control output.

3 MDP Spindle motor drive output. Coarse control in the CLV. S$ mode and phase

: control in the CLY.P mode.

ee ee oe | MDS Spindle motor drive cutput. Speed contro! in the CLY. S mode.

PA =| OF Output to control the slice level of the EFM signal. ae | ocr fo The GFS signal is sampled by the ¥ECK/16, When the GFS signal is "H", this

4 LOCK pin outputs “H”, and when the signal is “L" 8 times continuously, it outputs

Le

Dei PEDO | Phase comparison output between the EFM signal and ¥C0/2.

VSS

CLK Inputs a clock signal for the serial data transfer from CPU.

XLT

| euk Latches data at the rise of the clock signal.

Qutput to switch the time constant of the spindle sotor output filter.

a _ ~~ Niet o

13

14 Latch input froa CPU. Latches 8-bit shift register data (serial data fros CPU) to each register.

Inputs serial data from CPU.

System reset input. The system is reset at “L” input.

Tracking pulse input.

Outputs the internal state according to the address. ts | ee ff pe Minin

QO * Zz

Muting input. Then the ATIM in the internal register is "L", the system is

in the normal state if the MUTG is "L” and the sound is auted if the MUTG is “H", :

Clock input for the sub-code seria! output. (Connected to GND.)

I/O} Clock signal for reading of sub-code Q. |

27 Digital audio interface output.

TEST (DBO 8)

j

TEST (DBO5)

MUTG

CRCF

EXCK ive aed _ ©

Display output of the frame sync locking state. Goes "H" when locked.

Connected to GND. (Do not open.) Data terminal of external RAM.

Go bo

—_

wi w

—~ ef w

< i, oO Power supply. (+5¥)

TEST (DBO 4)

j

TEST (DBO1)

Connected to GND. (Do not open.) Data terminal of the external RAM

Go ~)

— Connected to GND.

— Connected to GND,

52 VSS | — | Connected to GND. (0¥)

XTAI Crystal oscillator input. f = 8. 4672Mlz

4 ren Crystal oscillator output. f = 8. 4672MHz (Reserved) 5 XTAO

[ss [or MD2 I ra

s7_ [wos pose | toe fo Input to switch the code of the audio data output.

SLOB I "L” causes the 2 second complement output and "H" causes the offset binary

output. (Connected to GND, )

Sa Input to switch the msode of the audio data output.

PSSL "L” causes serial output and "H” causes parallel output.

(Connected to GND.)

co | arte | oo Aperture correction control output.

44, IkHz with the filter OFF. (Reserved)

(oe | fae Vie ee DAOL (CIF) CIPI ouput ith PSSL= "Ls eserved) DAO2(C1F2) | O | DA02 output with PSSL = "H", CIFZ output with PSSL = "L*. (Reserved) DAO3 (C2F1) | © | DAO3 output with PSSL = “H”. CZPl output with PSSL = "L”. (Reserved)

DAO4 (C2F2) DAO4 output with PSSL = "H". C2F2 output with PSSL = "L". (Reserved)

DAO5 (C2FL) DAOS output with PSSL = “H". C2FL output with PSSL = "L". (Reserved)

DA06 (C2P0) DAOG output with PSSL = "H". CZPO output with PSSL = “L*. (Reserved) DAOQ7 (RFCK) DAO? output with PSSL = "H”. RFCK output with PSSL = “L”. (Reserved)

DAB (WFCK) | © | DAO output with PSSL = "H’. FFCK output with PSSL = "L”. (Reserved) DAONSY (PLCK) DAOS output with PSSL = “H”. PLCK output with PSSL = "L”. (Note 1) (Reserved)

DA10 (VGFS) DA1O output with PSSL = "H". Y¥GFS output with PSSL = "L”. (Reserved)

DA11 (GTOP) DAl1 output with PSSL = "H". GTOP output with PSSL = “L”. (Reserved)

VDD Power supply (+5¥)

DA12 (RAOV) DA12 output with PSSL = "H", RAOY output with PSSL = “L*. (Reserved)

DA13 (C4LR) DAI3 output with PSSL + "KH". C4LR output with PSSL = “L*. (Reserved)

76 DA14 (C210) DAL4 output with PSSL = “H". C210 output with PSSL = "L",

77 DA15 (C219) DAIS output with PSSL = "H". C210 output with PSSL = "L*. (Note 2) (Reserved)

DA16(MSB of parallel audio data) output with PSSL = “H”.

DATA output with PSSL = "L™. (Note 3)

Strobe signal output. 88. 2kHz with the filter OFF.

Strobe signal output. 44. 1kHz with the filter OFF.

MD1="H" at High speed mode. (Not used.) The digital filter is set to OFF at

all times (MD3="H"). Digital out is ON only when MD1="L" (N-SPD) and MD2="L".

fe»)

sa}xatia onl] » | ow

7

70

71

72

78 DA16 (DATA)

WDCK

LRCK

Note 1) PLCK: ¥CO/2 output. Fhen locked to the EFM signal, f = 4. 3218MHz. Note 2) C210: Bit clock signal. f = 2. L168MHz

Note 3) DATA: Audio signal serial data output.

~ Lée)

20

whe.

Page 15: Aaa SERVICE MANUAL

x ‘~ t r 7 ‘

IC BLOCK DIAGRAM GRID ASSIGNMENT

IC, BAG296FP FL101 7BT — 171GK

| EG

PROGRAM RANDOM REPEAT

Po

Yas ‘aes K Q f. e [: | o gD

} on, Jr 0 — } p ofofe * rpe ls sfofe * \ ‘ kK oe /

U <

(7G) (6G)

ANODE CONNECTION

pees Gr fe. O02. I SO AG Ge 0 ee er OG OO es acre lees (ose Oe ee ee ee

- ee oe a z a - £ 2S -« © z ine ee i es a (Ce a a a ae Tes |e |e (bmsey ee ie

O Des | 1 |» | ter |e er [| _* [team] |e | te | 1s | Ss ee ke we fe we th se es rea |e | + | B= | 2 | = | % | 9 cc SS | a AO Pen fe rot tee vee ee a

vz : as ae 7 (CE (ane al GO Ln (ET 16

pis [| 1 | RaNDow | 21) a1 2t it ris |v 13 rie [on c_| PROGRAM r

rev fe || — | 7 | seonp — [1s Pee | sp tea | win [see [te Pes} a | = |— ~- | - | - [| ae ea a Ne A eR a eT i a ea a Tres [| — | — evanpay| — [| — [| —- | —

IN1 (5S) — INPUT LOGIC CIRCUIT (6) IN2

GNO Sevens

21 22

Page 16: Aaa SERVICE MANUAL

ADJUSTMENT

Note:

[PATTERN SIDE]

e Connect a probe (10:1) of the frequency counter

or the oscilloscope to a test point.

e Connect the © probe of the oscilloscope to TP8

(VREF) for each adjustment.

@ VCO Frequency Adjustment

1;

2.

Connect and short between TP3 (ASY) and TP4 (ASY

GND).

Connect the frequency counter to test points TPl (VCO)

and TP2 (GND).

. When the power is off, turn the power on by pressing

the OPEN/CLOSE and STOP/CLEAR keys at the same

time.(All lit mode.)

. Insert the disk and play it.

. Adjust SFR101 (VCO) so that the frequency counter

reading is 4.27 +0.02 MHz.

. After the adjustment is completed, remove the short lead

wires from TP3 (ASY) and TP4 (ASY GND).

SFR 101

23

[AJMAIN C.B 1. Connect an oscilloscope to test points TP5 (RF) and TP8

(VREF).

2. Turn on the power switch.

3. Insert test disc TCD-782 (YEDS-18) and play back the

second composition.

4. Adjust SFR302 (F.B} so that the amplitude of waveform

on the oscilloscope is maximized.

RF signal waveform

MAX.

VOLT/DIV : 50 mV TIME/DIV : 0.5 uS

@ RF Waveform Check

This check should be performed whenever the optical

system block is repalced in repair.

1. Connect an oscilloscope to test points TP5 (RF) and TP8

(VREF).

2. Turn on the power switch.

3. Insert test disc TCD-782 (YEDS-18) and play back the

second composition.

4. Check that the waveform appears as shown in the figure

below.

RF signal waveform

RRR YY ny AX yy 1.4 +0.2 Vp-p

ws. ree RY RO Nid OV

VOLT/DIV : 50 mV

TIME/DIV : 0.5 uS

Note: The current of the laser signal can be checked with

the voltages on both sides of R312 (102). The

difference for the specified value shown on the label

must be within +6.0 mA.

KSS-210A

02Y02I

K517

Note : When releasing all lit up, disconnect the FG

connector or turn the power off.

@ Focus Bias Adjustment

51.7mA

Make the focus bias adjustment when replacing and

repairing the optical block. Voltage across R312 Laser current Jop = 10Q

Oscilloscope (DC range)

MAIN C.B

ees

TPS (RF)o

TP8 (VREF)¢

24

@® Tracking Balance Adjustment

Oscilloscope

(DC range)

MAIN C.B

al TP6 (TR IN)e

TP8 (VREF)¢

. Set SFR103 (TG) to minimum.

2. Connect an oscilloscope to test points TP6 (TRIN) and

TP8 (VREF).

. Turn on the power switch.

. Insert test disc TCD-782 (YEDS-18) and press the PLAY

(>) button.

. Press the FF key repeatedly.

. Adjust SFR301 (TB) so that the waveform on the

oscilloscope is vertically symmetrical as shown in the

figure below.

. After the adjustment is completed, remove the ground

lead wires from the terminals.

A

0 +50 mV

B

VOLT/DIV : 50 mV TIME/DIV : 1 mS

© Tracking Gain Adjustment

A servo analyzer is necessary in order to perform this

adjustment exactly. However, this gain has a margin, so

even if it is slightly off, there is no problem. Therfore,

do not perform this adjustment. Focus/ tracking gain

determines the pick- up follow- up (vertical and

horizontal) relative to mechanical noise and mechinical

shock when 2-axis device operates. However,as these

gains are reciprocated, the adjustment is performed so

that both gains are satisfied.

@ When gain is raised, the noise increases when the 2-

axis device opearates.

@ When gain is lowered, it is more susceptible to

mechanical shock and skipping occurs more easily.

When the gain adjustment is not satisfied, tye symptoms

below appear.

Page 17: Aaa SERVICE MANUAL

Ga em [ae @ The time until music starts

low or high

becomes longer for STOP >}

pees

. low

The following is simple adjustment method.

PLAY or automatic selection

(44 DPI buttons pressed.)

(Normally takes about 2

seconds.)

@ Music does not start and disd

continues to rotate for STOP

>> PLAY or automatic

selection (4¢ >} buttons

pressed.)

@ Disc stops to rotate shortly

after STOP>} PLAY.

@ Sound is interrupted during

PLAY. Or time counter

display stops.

@ More noises during the

2-axis device operation.

— Simple adjustment —

Note: Since the adjustment cannot be performed exactly,

remember the positions of the controls before the

adjustment and compare the adjusted position and

the original position.

lf the difference is a little, return the control to the

original position.

Procedure :

Oscilloscope (DC range)

MAIN C.B

Hs —_

TP6 (TR INNO

TP8 (VREF) ©

1, Keep the set horizontal. (If the set is not kept

horizontally, this adjustment cannot be performed due to

the gravity against the 2-axis device.)

2. Insert test disc TCD-782 (YEDS-18) and play back the second composition.

25

3. Connect an oscilloscope to TP6 (TR IN) of the main

board.

4. Adjust SFR103 (TG) so that the waveform appears as

shown in the figure below.(tracking gain adjustment)

OV

VOLT/DIV: 50 mV

TIME/DIV: 1 mS

@ Incorrect example (The fundamental wave appears as

compared with the waveform adjusted.)

Low tracking gain

OV

VOLT/DIV: 50 mV

TIME/DIV: 1 mS High tracking gain

The frequency of the fundamental wave is higher than that

in low gain.

OV

VOLT/DIV: 50 mV

TIME/DIV: 1 mS

Page 18: Aaa SERVICE MANUAL

EXPLODED VIEW — 1

87-743-095-410

87-067-579-010

87-067-660-010 87-067-758-010 87-067-581-010

UT2+3-—8 W/O SLOT BIT2+3-8 W/O SLOT BVT2 +3-8 WO SLOT (8) BVT2 +3-12 W/O SLOT BVT2 +3-15 W/O SLOT

87-084-077-010

87-067-761-010

RIVET, NYLON 35-45

BYT2+3- 10 {8)

| Aes _ 4

6

26

MECHANICAL PARTS LIST

PART NO. CHANGED TO

REF. NO.

PART NO.

%&81-VM2-004-010 %&81 -MX4-032-019 81 -VMi -206-010 %81-VM2-001-010 *%&81-VH2-01 4-010

#81-V¥2-021-010 %&81-VH2-002-010 *%81-Vul -205-010 %81-VM1-205-010

%81-VMl -005-010

%81-VMl -007-010 %81-VN2-025-010 %&81-VM2-008-010 %81-VM1 -006-010 %81-VM2-024-010

W81-VM2-007-010 %&81-VM1-201-010 %&87-085-218-010 %&81-VM1 -203-010

%&81-VM1-016-010 %81-VM2~-022-010

%&81-VM2-005-010 %81~-VM2-010-110 %&81-VM2-003-110

%81-VM2-027-010

%81~-VM2-020-010

%&89-VT5-202-010

81 -VM1 -647-110 *81-VM1-202-010

%81-VM1-009-010 %&81-VM2-026-010 *%81~-VW2-019-010

DESCRIPTION

WINDOW

BADGE, AIWA FELT, 15-12

CABINET, FRONT {8} (¥) CABINET, FRONT [8) (YU)

CABINET, FRONT [N) (YU) CABINET, FRONT {W) (YU) GUIDE, LED [B) (Y)

GUIDE, LED (B, N, W) (YU) KEY, PLAY

KEY, OPEN (B)

KEY, OPEN (N)

KEY, OPEN (W)

KEY, POWER (B)

KEY, POWER (N}

KEY, POWER [(W) PLATE, BOTTOM FOOT

GUIDE, FL.

HEAT SINK

PANEL, TRAY (B)

PANEL, TRAY (N)

PANEL, TRAY (W) PANEL, REAR (B) (Y) PANEL, REAR (B) (Yu)

PANEL, REAR (N} (YU)

PANEL, REAR (W) (YU) BUSHING, CORD

QP FG WIRE ASSY

CHASSIS, FRONT

CABINET, STEEL (B) CABINET, STEEL (N)

CABINET, STEEL (W)

27

COMMON O'TY MODEL

Dd

* KOK XK — eet —_ — AP =e vee eet et — et tat — te et

Page 19: Aaa SERVICE MANUAL

EXPLODED VIEW — 2

REF. NO. DESCRIPTION

81-653-215-010 | SPECIAL SCREW VT2

87-067-944-010] VF + 1.7-4 87-561-096-210} VFT1+3-10 81-2Z61-239-010 | S — SCREW, TT

87-067-945-110} VFT1+3-12

87-251-071-410

87-067-579-010

87-751-094-410

87-761-095-410

87-721-096-410

U+26-4 |

BVT2+3-8 W/O SLOT

VT2+3-6 W/O SLOT

VFT2+3-8

QT2+3-10

87-251-070-410

87-251-092-410 U+26-3 U+3-4

PART NO. CHANGED TO

REF. NO.

2-1 2-2

2-3 2-4

2-5

2-6

2-7

2-9 2-10

2-11

2-12 2-13 2-14

2-15

2-16

eld

2-18

2-19

2-20

eat

272%

2-22

2-23 2-24

2-25 2-25 2-26

2-27 2-28

2-29 2-30 2-31 2-32 2-33

2-34

2-35

PART NO.

8-261-201-0140 %81-2G1-228-010 %&81-261-226-010 %81-Z61-241-010 %& 81-261 -230-010

%&81-2G61-231~010 %81-2ZG1-212-010 %&81-ZG1-209-010 %81-ZG1-208-010 *%&81-ZG6)-207-010

%81-261-210-010

%81-261-211-010 81 -261-242-010

%&86-531-219-010 *81-261-229-010

%81-2G1-232-010 % 81-261 -238-010

%&81-Z61-222-010

81-261 -202-010 %&81-261-224-010

%& 81-261 -002-010 %81-ZG61-004-010 #81-ZG61-219-010 %&81-261-215-010 %81-261-206-010

%&81-2G61-001-010 %8}-261-003-010

*%81-Z61-233-110 81 -Z61-236-010

*%81-261-216-010 *%&81-261-221-010

% 81 -261-225-010 %81-261-240-010 %81-261-213-016

%&81-261-235-010

%&81-ZG1-205-110

DESCRIPTION COMMON MODEL

CHASSIS, MECHANISM HOLDER, MAGNET MECHANISM HOLDER ASSY

SHEET, CD MECHANISM G — CUSHION, MECHANISM

C — SPRING, MECHANISM PULLEY, LOADING MOTOR

GEAR, TRAY RELAY GEAR, TRAY B

GEAR, TRAY A

GEAR, RELAY PULLEY, RELAY

SHEET, MAGNET MAGNET, CLAMPER PLATE, MAGNET

_BELT, TRAY

CUSHION, TRAY IN

WORM WHEEL, TT

GEAR, MAIN TT LEVER ASSY

TURNTABLE (B, N} (Y, Yu) TURNTABLE (W} (YU) SHAFT, TRAY HOLDER, MOTOR

GEAR, MECHANISM CAM

TRAY (8, N) (Y, YU) TRAY {W) (YU) BINDER, WIRE BELT, TT PULLEY, TT MOTOR

SHAFT, WORM WORM GEAR, TT TRAY PLATE ASSY P — SPRING, WORM PLATE, CAM

E — SPRING, CAM

GEAR, TRAY CAM

29

Q'TY

— st eet ee — — —_— at wat —~—_ eee — —_ —- FO} ey a= —

tee eet

Page 20: Aaa SERVICE MANUAL

EXPLODED VIEW — 3

PART NO. DESCRIPTION

| A] 87-261-032-210

8

PART NO. REF. i CHANGED 70 NO. Ueite

1 & 9X- 262-513-310 2 % 92- 625-188-020

-3 a es

4 *& 92- 625-544-010 92-625- 187-010

% 92- 625-191-010 98- 848-127-110

*%& 94- 917-565-010

0 91-572- 085-110

1 *& 9X- 262-513-210 2 *% 91 - 564-722-110 Ww Ww Ww ww WWW Ww W

=—=-OOaO wD oO

920074, 861377

COMMON | DESCRIPTION ice

TT CHASSIS ASSY (W/MOTOR) GEAR, A 3 GEAR, B COVER RING, CENTER

SPRING, COMPRESSION PICK UP KSS — 210A SHAFT, SLED

MOTOR PWB

SWITCH, LEAF (LIMIT)

SLED MOTOR ASSY CONNECTOR 6P

30

0.

Sn a 2 ee) ak ot wk

wk at