Read Sony CMT-GB3 / HCD-GB3 Service Manual online
2
HCD-GB3
TABLE OF CONTENTS
1.
SERVICING NOTES
................................................
3
2.
GENERAL
...................................................................
4
3.
DISASSEMBLY
3-1.
Disassembly Flow ...........................................................
6
3-2.
Side Panel (R), Side Panel (L) .........................................
7
3-3.
Top Panel Section ............................................................
7
3-4.
Mechanical Deck .............................................................
8
3-5.
Belt (MAIN), Belt (R/F) ..................................................
8
3-6.
Front Panel Section .........................................................
9
3-7.
PANEL Board ..................................................................
9
3-8.
JACK Board ..................................................................... 10
3-9.
MAIN Board, REG Board ............................................... 10
3-10. CD Mechanism Deck Section (BU-K6BD83S2) ............ 11
3-11. Optical Pick-up (KSM-213DCP), BD83S Board ............ 12
3-12. Belt (DLM3A) ................................................................. 13
3-13. DC Fan, Chassis (MAIN MOLD) ................................... 13
3-14. POWER Board, AMP Board ........................................... 14
3-11. Optical Pick-up (KSM-213DCP), BD83S Board ............ 12
3-12. Belt (DLM3A) ................................................................. 13
3-13. DC Fan, Chassis (MAIN MOLD) ................................... 13
3-14. POWER Board, AMP Board ........................................... 14
4.
TEST MODE
............................................................... 15
5.
MECHANICAL ADJUSTMENTS
......................... 16
6.
ELECTRICAL ADJUSTMENTS
.......................... 16
7.
DIAGRAMS
7-1.
Block Diagram — BD/DRIVER Section — .................. 22
7-2.
Block Diagram — TUNER Section — .......................... 23
7-3.
Block Diagram — MAIN Section — ............................. 24
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED LINE
WITH MARK
0
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.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
7-4.
Printed Wiring Board — BD83S Board — .................... 25
7-5.
Schematic Diagram — BD83S Board — ....................... 26
7-6.
Printed Wiring Boards
— MAIN Board, REG Board — ..................................... 27
— MAIN Board, REG Board — ..................................... 27
7-7.
Schematic Diagram
— MAIN Board (1/3), REG Board — ............................ 28
— MAIN Board (1/3), REG Board — ............................ 28
7-8.
Schematic Diagram — MAIN Board (2/3) — ............... 29
7-9.
Schematic Diagram — MAIN Board (3/3) — ............... 30
7-10. Printed Wiring Board — AMP Board — ....................... 31
7-11. Schematic Diagram — AMP Board — .......................... 32
7-12. Printed Wiring Board — PANEL Board — ................... 33
7-13. Schematic Diagram — PANEL Board — ...................... 34
7-14. Printed Wiring Boards
7-11. Schematic Diagram — AMP Board — .......................... 32
7-12. Printed Wiring Board — PANEL Board — ................... 33
7-13. Schematic Diagram — PANEL Board — ...................... 34
7-14. Printed Wiring Boards
— POWER Board, JACK Board — ................................ 35
7-15. Schematic Diagram
— POWER Board, JACK Board — ................................ 36
8.
EXPLODED VIEWS
8-1.
Overall Section ................................................................ 45
8-2.
Front Panel Section ......................................................... 46
8-3.
Chassis Section ................................................................ 47
8-4.
Top Panel Section ............................................................ 48
8-5.
CD Mechanism Deck Section (BU-K6BD83S2-WOD) . 49
9.
ELECTRICAL PARTS LIST
.................................. 50
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