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Record/Playback Head Azimuth Adjustment
Procedure:
1. Mode: Playback (FWD)
test tape
P-4-A063
(6.3 kHz, –10 dB)
set
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.
within
L-CH
1dB
peak
Output
level
R-CH
peak
Screw
position
3. Mode: Playback (FWD)
test tape
P-4-A063
(6.3 kHz, –10 dB)
L-CH
set
R-CH
HEADPHONE board
PHONES jack (JK401)
screen pattern
in phase
45
good
4. Repeat step 1 to 3 in playback (REV) mode.
5. After the adjustments, apply suitable locking compound to the
parts adjusted.
level meter
32
+
–
HEADPHONE board
PHONES jack (JK401)
within
1dB
Screw
position
L-CH
R-CH
peak
peak
oscilloscope
32
V
H
+ +
– –
32
90
135
180
wrong
Adjustment Location: Record/Playback/Erase Head.
Note: Refer to "3-7. CASSETTE LID" (see page 9)
HCD-E301
11
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