Sony HCD-GZR7D Service Manual page 41

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3. Mode: Playback
test tape
P-4-A063
(6.3 kHz, –10 dB)
L-CH
MAIN
board
IC101
R-CH
in phase
4. After the adjustments, apply suitable locking compound to
the pats adjusted.
Adjustment Location: Playback Head (Deck A)
TE
L 13942296513
forward
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oscilloscope
pin
pin
L
V H
R
pin
waveform of oscilloscope
45° 90° 135° 180°
good wrong
Record/Playback/Erase Head (Deck B)
reverse
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HCD-GZR7D/GZR8D/GZR9D
2 9
8
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9
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