CFD-W57 - Sony Audio Service Manual (repair manual). Page 16

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– 16 –
R-CH
peak
R-CH
peak
L-CH
peak
L-CH
peak
screw
position
Output
level
within
3 dB
within
3 dB
angle
REC/PB Head Azimuth Adjustment   DECK A    DECK B
Procedure:
1. Mode: playback
3. Phase Check
Mode: playback
Note:
Finish the screw adjustment with a turn in the clockwise
direction.
After the adjustment, lock the adjustment screw.
Adjustment Location: playback head (deck A)
record/playback head (deck B)
2
 jack
set
32 
test tape
P-4-A063
(6.3 kHz, –10 dB)
level meter
2
 jack
set
L-CH
32 
32 
R-CH
test tape
P-4-A063
(6.3 kHz, –10 dB)
osilloscope
R-CH
L-CH
V
H
Screen pattern
in phase
45˚
90˚
135˚
180˚
good
wrong
adjustment
screw
2. Turn the adjustment screw for the maximum output levels. If
these levels do not match. Turn the adjustment screw until both
of output levels match together within 3 dB.
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