Read Sony CFD-W57L Service Manual online
– 16 –
R-CH
peak
peak
R-CH
peak
peak
L-CH
peak
peak
L-CH
peak
peak
screw
position
position
Output
level
level
within
3 dB
3 dB
within
3 dB
3 dB
angle
REC/PB Head Azimuth Adjustment DECK A DECK B
Procedure:
1. Mode: playback
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.
direction.
After the adjustment, lock the adjustment screw.
Adjustment Location: playback head (deck A)
record/playback head (deck B)
phones jack
set
32
Ω
test tape
P-4-A063
(6.3 kHz, –10 dB)
P-4-A063
(6.3 kHz, –10 dB)
level meter
phones jack
set
L-CH
32
32
Ω
32
Ω
R-CH
test tape
P-4-A063
(6.3 kHz, –10 dB)
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
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.
of output levels match together within 3 dB.
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