DOWNLOAD Sony TCS-30D Service Manual ↓ Size: 1.27 MB | Pages: 20 in PDF or view online for FREE

Model
TCS-30D
Pages
20
Size
1.27 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / S/M TCS-30D 00 US CAN AEP E CH
File
tcs-30d.pdf
Date
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– 5 –
CABINET (REAR),  “LID  BLOCK  ASSY,  CASSETTE”
Note:
 Follow the disassembly procedure in the numerical order given.
SECTION  3
DISASSEMBLY
• This set can be disassembled in the order shown below.
SET
CABINET  (REAR), 
“LID BLOCK ASSY, CASSETTE” 
MAIN  BOARD, 
MECHANISM  DECK (MT-30D-118)
BELT
8
lid block assy, cassette
INSTALLATION “SPRING, CASSETTE”
cabinet (front)
5
strap, hand
3
claw
3
four claws
2
screw
(IB lock)
4
cabinet (rear)
1
three screws
(B1.7 
×
 10)
7
boss
7
boss
6
Remove five solders.
lid, cassette
spring, cassette
spring, cassette
– 6 –
MAIN  BOARD,  MECHANISM  DECK (MT-30D-118)
BELT
6
claw
2
screw
(1.7)
3
screw
(M1.4)
4
MAIN board 
7
mechanism deck
(MT-30D-118)
5
three screws
(IB lock)
1
Remove two solders of 
electret condenser microphone
(MIC901).
1
Remove four solders of 
magnetic head (HRP901).
1
Remove two solders of 
     motor (M901).
Cabinet (front)
1
belt (capstan)
2
belt (FR)
capstan belt
FR belt
pulley (FR) assy
flywheel assy
motor, DC
– 7 –
INSTALLATION  MAIN  BOARD
NOTE: On installation MAIN board, adjust to the
S301 and the S303.
screw
(1.7)
screw
(M1.4)
MAIN board
S301 (REC/PB)
S303
(POWER)
lever (REC)
– 8 –
Mode
Torque Meter
Meter Reading
4.90 mN•m
FWD
CQ-403C
(more than 50 g)
(more than 1.76 oz)
Mode
Torque Meter
Meter Reading
FWD
2.16 - 4.7 mN•m
(22 - 48 g•cm)
CQ-102C
(0.31 - 0.67 oz•inch)
FWD
0.05 - 0.29 mN•m
(0.5 - 3 g•cm)
Back Tension
(0.007 - 0.04 oz•inch)
FF
4.90 mN•m
CQ-201B
(more than 50 g•cm)
REW
(more than 0.69 oz•inch)
SECTION  4
MECHANICAL  ADJUSTMENTS
Tape Tension  Measurement
1. Clean the following parts with a denatured-alcohol-moistened
swab:
record/playback head
pinch roller
erase head
rubber belt
capstan
idlers
2. Demagnetize the record/playback head with a head demagne-
tizer.  (Do not bring the head demagnetizer close to the erase
head)
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to the
parts adjusted.
5. The adjustments should be performed with the rated power
supply voltage (2.5 V) unless otherwise noted.
Torque Measurement
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