– 8 –
EAR jack (J101)
set
16
Ω
test tape
S-2-A030
(3 kHz, –20 dB)
level meter
Remove the
cover (AZ).
head azimuth
adjustment screw
PRECAUTION
1. Clean the following parts with a denatured-alcohol-moistened
swab :
record/playback/erase head
pinch roller
rubber belts
capstan
2. Demagnetize the record/playback/erase head with a head
demagnetizer. (Do not bring the head demagnetizer close to the
erase head.)
3. Do not use a magnetized screwdriver for the adjustments.
4. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
Power supply voltage : 3 Vdc
TAPE SPEED switch : 2.4cm/s
Torque Measurement
Mode
Torque Meter
Meter Reading
5 – 13 g • cm
Forward
CQ-103M
(0.07 – 0.180 oz • inch)
more than 30 g • cm
Fast Forward
CQ-201M
(more than 0.42 oz • inch)
more than 30 g • cm
Rewind
CQ-201M
(more than 0.42 oz • inch)
Tape Tension Measurement
Mode
Tension Meter
Meter Reading
more than 20 g
Forward
CQ-403M
(more than 0.28 oz)
SECTION 3
MECHANICAL ADJUSTMENTS
Record/Playback/Erase Head Azimuth Adjustment
Setting:
VOL control
: mechanical mid
TAPE SPEED switch : 2.4cm/s
Procedure:
1. Mode : Playback
Adjustment Location :
Test Tape
Type
Signal
Used for
Tape Speed
(cm/s)
S-2-A030 3 kHz, – 20 dB Head Azimuth Adjustment
2.4
WS-24
2.4
WS-12
3 kHz, – 10 dB Tape Speed Adjustment
1.2
SECTION 4
ELECTRICAL ADJUSTMENTS
2. Turn the adjustment screw to obtain the maximum reading on
level meter.
Note:
Several peaks may appear, but the maximum.
First remove the cover (AZ).
