SONY HCD-GSX100W
Manual de Servicio

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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