Sony TCSD-1 Service manual
TC-SD1
SERVICE MANUAL
Manufactured under license from Dolby Laboratories
Licensing Corporation.
“DOLBY” and the double-D symbol a are trademarks
of Dolby Laboratories Licensing Corporation.
AEP Model
UK Model
E Model
Model Name Using Similar Mechanism TC-PX100
Tape Transport Mechanism Type TCM-ACLM572
SPECIFICATIONS
MICROFILM
STEREO CASSETTE DECK
TABLE OF CONTENTS
1. GENERAL ·········································································· 3
2. DISASSEMBLY
2-1. Case, Front Panel································································ 4
2-2. Mechanism Deck (TCM-ACLM572)································· 5
2-3. Control Board, Dolby Board ·············································· 5
2-4. Power Trans Board, AC Select SW Board, Power Board··· 6
2-5. Tray Assembly···································································· 6
2-6. Mechanism Chassis Block·················································· 7
2-7. Capstan Reel Motor (M902)··············································· 7
3. DIAGRAMS
3-1. Circuit Boards Location ····················································· 8
3-2. Schematic diagram — Display Section —·························9
3-3. Printed Wiring Board — Display Section — ··················· 11
3-4. Printed Wiring Board — Main Section — ······················· 16
3-5. Schematic Diagram — Main Section — ·························· 21
3-6. IC Block Diagrams ··························································· 25
3-7. IC Pin Function Description·············································27
4. MECHANICAL ADJUSTMENT ································ 29
5. ELECTRICAL ADJUSTMENT ·································· 29
6. EXPLODED VIEWS
6-1. Case, Front Panel Section················································· 33
6-2. Chassis Section·································································34
6-3. Mechanism Deck Section-1 (TCM-ACLM572) ·············· 35
6-4. Mechanism Deck Section-2 (TCM-ACLM572) ·············· 36
6-5. Mechanism Deck Section-3 (TCM-ACLM572) ·············· 37
7. ELECTRICAL PARTS LIST······································· 38
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH
MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
— 2 —
SECTION 1
GENERAL
This section is extracted
from instruction manual.
— 3 —
SECTION 2
e
DISASSEMBLY
Note : Follow the disassembly procedure in the numerical order given.
2-1. CASE, FRONT PANEL
4
Case
2
Two screws,
case stopper
3
Screw (+B 2.6 × 8)
1
Two screws,
case stopper
8
Front panel
7
Two screws
(+B 2.6
6
Loading panel
Connector
M901
×
8)
Rear sid
Pin-1
Pin-6
CN05
Connector
— 4 —
5
Slide the tray.
(Remove the connector from M901, supply the 6 V
power from an external regulated power supply to
pin-5 and pin-6 of CN05.)
Regulated DC
power supply
+
–
Pin-5
Pin-6
CN05
‘
’
1
6
2-2. MECHANISM DECK (TCM-ACLM572)
r
4
Connector
5
Mechanism deck (TCM-ACLM572)
2
Connecto
3
Connector
2-3. CONTROL BOARD, DOLBY BOARD
3
Two screws
2
Two screws
(+B 2.6
1
Two connectors
×
8)
(+B 2.6
×
8)
1
Four screws
(+B 3
4
CONTROL board
×
10)
Clamper
Harness
Harness
Precaution for assembling :
Fix the harness with the clamper.
7
DOLBY board
— 5 —
5
Connector
6
Four screws
(+B 2.6
×
8)
2-4. POWER TRANS BOARD, AC SELECT SW BOARD, POWER BOARD
)
3
POWER TRANS board
5
Screw (+B2.6 × 8)
8
POWER
board
1
Connector
6
Screw (+B2.6 × 8)
2
Two screws
(+PWH3
×
6)
4
Two screws
(+B3
×
10)
2-5. TRAY ASSEMBLY
5
Tray assembly
Note : Be careful not to drop
the stainless ball (5 DIA)
when removing the tray assembly.
1
Screw (1.7 × 8.2)
7
Suport
4
Arm (576)
— 6 —
3
Boss
Stainless ball (5 DIA)
2
Spring (B
2-6. MECHANISM CHASSIS BLOCK
s
3
Mechanism chassi
1
Four screws (+P 3 × 6)
2-7. CAPSTAN REEL MOTOR (M902)
3
Claws (4 claws)
2
Screw (+P 3 × 8)
8
Capstan reel motor (M902)
7
Hook the belt.
6
Three screws for motor
1
Remove soldering of
the plunger solenoid
Plunger
solenoid
4
CONTROL board
2
Screw (stepped)
5
Remove soldering of
the motor lead wire.
— 7 — — 8
SECTION 3
d
DIAGRAMS
3-1. CIRCUIT BOARDS LOCA TION
REAR PANEL board
CONNECTION board
MODE CONTROL board
CONTROL board
FRONT board
POWER TRANS board
POWER boar
DOLBY board
O/C SW board
VR board
— 8 —
TC-SD1
3-2. SCHEMATIC DIAGRAM — DISPLAY SECTION —
— 9 — — 10 —
Note on Schematic Diagram:
• All resistors are in Ω and 1/
specified.
• C : panel designation.
Note: The components identified by mark ! or dotted line
with mark ! are critical for safety.
Replace only with part number specified.
• U : B+ Line.
4
W or less unless otherwise
3-3. PRINTED WIRING BOARD — DISPLAY SECTION —
TC-SD1
COMPONENT SIDE CONDUCTOR SIDE
• Refer to page 8 for Circuit Boards Location.
• Refer to page 24 for MODE CONTROL board Schematic Diagram.
Note on Printed Wiring Board:
• Y : parts extracted from the conductor side.
• b : Pattern of the rear side.
— 15 —— 14 —— 13 —— 12 —— 11 —
Loading...