Read Sony CFS-1085SMK2 Service Manual online
8
CFS-1085SMK2
SECTION 3
ADJUSTMENT
3-2. ELECTRICAL ADJUSTMENTS
TAPE SECTION
• Switch location
FUNCTION switch................. TAPE (RADIO OFF)
SOUND SELECT.................... FLAT
VOLUME................................. mechanical center
MEGA BASS............................ OFF
SOUND SELECT.................... FLAT
VOLUME................................. mechanical center
MEGA BASS............................ OFF
Test Tape
Type
Signal
Used for
WS-48B
3kHz, 0dB
Tape Speed Adjustment
3-1. MECHANICAL ADJUSTMENTS
PRECAUTION
1. Clean the following parts with a denatured-alcohol-moistened
swab :
record/playback head
pinch roller
erase head
rubber belts
capstan
2. Demagnetize the record/playback head with a head
demagnetizer. (Do not bring the head demagnetizer close to
the erase head.)
the erase head.)
3. The adjustments should be performed with the rated power
supply voltage (9V) unless otherwise noted.
1.Torque Measurement
Mode
Torque Meter
Meter Reading
2.95 – 6.86 mN•m
Playback
CQ-102C
(30 – 70 g•cm)
(0.42 – 0.97 oz•inch)
0.15 – 0.53 mN•m
Back Tension
CQ-102C
(1.5 – 5.5 g•cm)
(0.021 – 0.076 oz•inch)
5.4 – 13.2 mN•m
Rewind
CQ-201B
(55 – 135 g•cm)
Fast Forward
(0.77 – 1.87 oz•inch)
2. Tape Tension Measurement
Mode
Torque Meter
Meter Reading
FWD
CQ-403A
more than 100g (3.53 oz)
0dB = 0.775 V
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