Read Sony PMC-DR45L Service Manual online
– 18 –
screw
position
position
L-CH
peak
peak
within
1dB
1dB
output
level
level
L-CH
peak
peak
R-CH
peak
peak
within
1dB
1dB
screw
angle
angle
R-CH
peak
peak
3. Phase Check
Mode: FWD/REV playback
4. After the adjustment, lock the screws with locking compound.
Record/Playback/Erase Head Azimuth Adjustment
Procedure:
1. Mode: FWD/REV playback
1. Mode: FWD/REV playback
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 1 dB.
of output levels match together within 1 dB.
Adjustment Location:
+
–
–
set
32
Ω
level meter
test tape
P-4-A100
(10 kHz, –10 dB)
P-4-A100
(10 kHz, –10 dB)
i
(headphones) jack (J301)
+
–
–
V
H
+
–
Screen pattern
set
L-CH
32
Ω
test tape
P-4-A100
(10 kHz, –10 dB)
P-4-A100
(10 kHz, –10 dB)
i
(headphones) jack (J301)
R-CH
32
Ω
oscilloscope
Good
Wrong
in phase 45
°
90
°
135
°
180
°
screwdriver
FWD
(forward)
(forward)
REV
(reverse)
(reverse)
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