SECTION 2
ADJUSTMENTS
1.
2.
3.
4.
5.
2-1. MECHANICAL ADJUSTMENTS
2-2. ELECTRICAL ADJUSTMENTS
PRECAUTION
Clean the following parts with a denatured-
alcohol-moistened swab:
record/playback head pinch roller
erase head rubber belts
capstan idler
Demagnetize the record/playback head with a
head demagnetizer.
Do not use a magnetized screwdriver for the
adjustments.
After the adjustments, apply suitable locking
compound to the parts adjusted.
The adjustments should be performed with the
rated power supply voltage unless otherwise
noted.
Torque Measurement
Torque Torque meter Meter reading
FWD CQ-102C
30 to 70 g-cm
(0.43 to 0.97 oz-inch)
(0.03 to 0.08 oz-inch)
(0.43 to 0.97 oz-inch)
(0.03 to 0.08 oz-inch)
(1.3 to 2.2 oz-inch)
Note:
The adjustment should be performed in the
order given in this service manual.
The adjustments should be performed for both
L-CH and R-CH.
Switches and controls should be set as follows
unless otherwise specified.
DOLBY NR switch:
OFF
TIMER
switch:
OFF
l
Standard Record:
Deliver the standard input signal level to the input
jack and set the REC LEVEL control to obtain the
standard output signal level.
- Record Mode -
af osc
V T V M
600
LINE IN LINE OUT
Standard Input Level
Standard Output Level
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