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Service manual very complete and clear. It was very helpfull for my work.
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This is the 2nd time I download manuals from this website and I can say it's what I was expecting. It contains schematic, layout (decent quality), short description, parts and dissasembly instructions. I recomend it for anyone who wants to repair/modify this device.
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Very useful Service Manual! With it I was able to identify the damaged pots in my old amplifier, purchase the adequate replacements and make myself the repair.
I have again my old amplifier, still a very good one that I will keep for as many years as I can!
Thanks to Owner Manuals!
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Good price for the manual and easy to locate on the site and download. Plus, just like the original. Thanks a lot.
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Genuine Service Manual. Link was available in less then an hour or so. Service Manual contains assembly, PCB layout, complete circuit diagram, Components list etc
HCD-GSX100W
Record/Playback Head Azimuth Adjustment Procedure: 1. Mode: Playback (FWD)
test tape P-4-A100 (10 kHz, � 10 dB) SPK board SPEAKER terminal (J357) L-CH, R-CH
Adjustment Location: Record/Playback/Erase Head
level meter
set + �
Head azimuth adjustment screw
2. Turn the adjustment screw and check output peaks. If the peaks do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1dB of peak.
L-CH peak Output level
within 1dB within 1dB
Tape Speed Check Mode: Playback
Screw position
test tape WS-48B (3 kHz, 0 dB) set
Screw position
R-CH peak L-CH peak R-CH peak
frequency counter
+ � SPK board SPEAKER terminal (J357) L-CH, R-CH
3. Mode: Playback
test tape P-4-A100 (10 kHz, � 10 dB) L-CH SPK board SPEAKER terminal (J357) L-CH oscilloscope
set R-CH R-CH
V
H
1. Insert the WS-48B into the deck. 2. Press the bB button on the deck. 3. Confirm that the frequency counter reads 3,000 ± 90 Hz. Sample value of Wow and Flutter: 0.3% or less W.RMS (JIS) (WS-48B)
waveform of oscilloscope
in phase 45° good
90° 135° 180° wrong
4. Reapeat step 1 to 3 in playback (REV) mode. 5. After the adjustments, apply suitable locking compound to the parts adjusted.
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