Sony CFS-1085SMK2 Service Manual ▷ View online
5
CFS-1085SMK2
2-3.
LED BOARD, GE SW BOARD, MEGA BASS SW BOARD
screw (2.6X8)
1
screws (2.6X8)
1
two screws (2.6X8)
GE SW board
bracket (B) board
bracket (B) board
3
two screws (2.6X8)
6
5
7
2
4
LED board
mega bass SW board
cabinet (front)
knob (job)
2-4.
MAIN BOARD, MIC BOARD, VOL BOARD
screw (2.6X8)
1
screw (2.6X8)
5
2
7
qg
qd
4
lever (rec)
MIC board
main board
bracket (B) board
VOL board
cabinet (front)
knob (VOL)
two screws (2.6X8)
qf
two claws
6
two screws (2.6X8)
3
CNP301
qs
CN304
qa
CNP305
0
CNP303
9
CNP308
8
6
CFS-1085SMK2
2-5.
MECHANISM DECK, TUNER BOARD
2-6.
RECORD/PLAYBACK HEAD (HRP101), ERASE HEAD (HE301), BELT, MOTOR (M601)
screw (3X8)
tuner board
0
qa
8
2
4
6
9
two screws (2.6X8)
3
two screws (2.6X8)
3
four screws (2.6X8)
5
two screws (2.6X8)
1
screw (2.6X5)
7
mechanism deck
pointer chassis
chassis
pointer
knob (tun)
cabinet (front)
(HE301)
(HRP101)
two claws
record / playback head
erase head
motor
(M601)
(M601)
belt
1
two claws
3
two screws (2.6X5)
5
7
4
2
6
7
CFS-1085SMK2
2-7.
DIAL POINTER INSTALLATION
PVC shaft
chassis
knob (tune)
knob (tune)
chassis
window
pointer
pointer
notch
tuner board
MIN
(fig-2)
MIN
screw (2.6X5)
5
2
4
3
1
(fig-1)
1
Turn the PVC shaft fully counterclokwise.
2
Place the pointer in the chassis groove.
3
Line up the tip of the pointer with the notch in the chassis.
(Fig-1)
4
Attach so that the knob (Tune) is at the position shown in
Fig-2.
5
Fasten the knob (tune) to the PVC shaft with the screw.
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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