nrd-515 option 1+2 instruction manual2_instruction_ma… · installation and adjustment procedures...
TRANSCRIPT
NRD-515 OPTION 1+2
INSTRUCTION MANUAL
List of con tents
Installation and adjustment procedures page 1+2
User's manual page 3+4
Option l , circuit diagram, dwg 004-PCB-300-A-8409 page 5
option l , component location, dwg 002-PCB-300-A-8409 page 6
Option 2, circuit diagram, dwg 004-PCB-301-A-8409 page 7
Option 2 , component location, dwg 002-ptB-301-A-8409 page 8
Option 1+2,mechanical installation, dwg 003-NRD-OOI-A-8409 page 9
Option 2, electrical installation, dwg 003-PCB-301-A-8409 page 10
Option 2 , electrical installation, dwg 003-NRD-002-A-8409 page 11
Option 7. , wiring diagram, dwg 003-NRD-003-A-8409 page 12
l PaS2
Nate: Tnfa an page 2
Nate: Inf an Page 2
Nate: Infa an Page 2
l)
2 )
3 )
4)
5)
6)
7)
8)
9)
10)
l)
INSTALLATION AND ADJUSTMENT PROCEDURES
Remove the top cover of the NRD-515.
With the Front panel facing you, drill two hales
on the right ide of the NRD-515 frame, as indi
cated on drawing 003-NRD-002-A-8409 (paqe 9 ).
Remove the following compnnents from the mein
circuit board: TR22, C280, C281, C282, C283, C284,
L123 by cutting the leads by means oF a cutter.
003-PCB-301-A-8409 (pagelO) .
lnstall option l (plug-in unit) as indicated on draw
ing 003-PCB-301-A-8409 (pageiO).
Install option 2 as indicated on drawing 003-NRD
001-A-8409 (page 9).
By means of a lowpower soldering iron,solder the wires
and coax cables from option 2 to the main print, the
VFO and monitor switch, as indicated on drawing 003
PCB-301-A-8409 (page 10).
Mount the top cover of the NRD-515, without screws.
Remove the bottom cover of the NRD-515 and solder
the coaxial cables E and F, as indicated on drawing
003-NRD-002-A-8409 (page Il).
This completes the installation of the 2 options.
Mount the bottom cover of the NRD-515.
ADJUSTMENT PROCEDURE (option 2)
Remove the top cover of the NRO-515 and switch the
power on.
With the bandwidth switch on AUX; tune the receiver
around 00.0 kHz, until you get the highest S-meter
reading (between 59 + 40 dB to 59 + 60 dB).
a) Adjust L3 on max S-meter reading.
b) Adjust L9 on max S-meter reading.
2) This ~ompletes the adjustment of the 2 optjons.
3) Milllnt the top cover.
Instead of adjusting the receiver as explained in l) you may choose a weIl known station with
Info. stable "S" readings and adjust for max S-meter adjustment reading.
With each option N02 we supply the mounting hardInfo. ware. The Option N02 may be installed using the drilling screwholes on the main-board.(right side)
Info. In case you want to save the components that have removal to be removed we advise you to unsolder them.
General comment:
The installation of the Option N02 requires no technical radio skills. However, we believe the installer should have same basic saldering skill~.
Page '
U 5 E R '5 M A N U A L
The option l + 2 from ESKA ELEKTRONIK A/S greatly improves
the selectivity and signal-to-noise ratio of your NRD-515
- providing - at the same time - a superb PLL-ECSS reception.
Selectivities
The comhination of option l + 2 provides you with the fol
lowing selectivities:
Monitor switch on
6/60 dB shape factor 1/1.7
Bandwidth (kHz)
Pos l: 300 Hz Pos 2: 1.4 kHz Pos 3: 7..1 kHz Pos 4: 4.5 kHz
Monitor switch off
6/60 dB shape factor 1/2.5
Bandwidth (kHz)
Pos l : 500 Hz Pos 2: 1.6 kHz Pos 3 : 2.4 I<Hz Pos 4 : 6 kHz
he P L A M tuning procedure
The option 2 jncol'por8t('~; 8 I'IM'l (letector to be useeJ ~Ih n
the received broar!r.;lstinq station '(Jf'rf~rs From sel cti\
F8i1inq.
l n (j I' eJ o r t o tt J Il C i n [I ~j t il t j () fl 'j n t h" P l. !\tvl mu d e, p r o e e d
very cRreFulJy as Folluws:
a) Switrh 6 F in on posltion.
b) Modt' swi tell on I 'in or USB dependjn(~ on illtcr
FerenCt'.
c ) Sf' l e c t 6 k Il z , or 2. 4 k Hz b n d "'I i d t h, d e p f ~ r l rl( Il g on
jnterference, the monitor switch can either be N
o r OFF, al s o d e p (~n d i n g o n t h e i n t e r Fe r e nc e J e \ e l .
d) Tune in carefully the eJesired frequency and a just
very slowly the 6. Fcontrol until the PLAM LED
(external VFO) lights up.
Please nate that the LED (external VFO) always
will light up if the carrier is not present or
iF you are too far away From the center frequency.
e) Slowly turn the PBT control in order to obtain .he
best reception with the highest intelligibilit>
f) In ca~e you re0erse sieJeband, please repeat the
procedure as indicated under step d and e.
Following fig. explains how the PLAM works.
CARRIER OF AM STATION
LOCKRANGE (, L ED ON)
LED ON LEO ONLEO OFF LED OFF (NO LOCK)(NO LOCK) (NO LOCK)(NO LOCK)
300 250 200 150 100 50 o 50 100 150 200 250 300
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FL1 MF455 - 03AZ1 89
( YF455 - M500)
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FL2 L5 CFJ455 K8 B8
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