Read Sony SA-VA100 (serv.man2) Service Manual online
— 3 —
TABLE OF CONTENTS
1. SERVCING NOTE
.............................................................. 4
2. GENERAL
....................................................................
4
3. DISASSEMBLY
3-1.
Amplifier Block .................................................................. 26
3-2.
Mechanism Component Block ........................................... 27
3-3.
CD Mechanism and TC Mechanism Block ........................ 28
4. MECHANICAL ADJUSTMENT
................................... 30
5. ELECTRICAL ADJUSTMENT
..................................... 30
6. DIAGRAMS
6-1.
Circuit Boards Location ..................................................... 38
6-2.
Block Diagrams
• CD Section ....................................................................... 39
• Deck Section .................................................................... 41
• OSD Section ..................................................................... 43
• Surround Amp Section ..................................................... 45
• Display Section ................................................................ 47
• Power Section .................................................................. 48
• CD Section ....................................................................... 39
• Deck Section .................................................................... 41
• OSD Section ..................................................................... 43
• Surround Amp Section ..................................................... 45
• Display Section ................................................................ 47
• Power Section .................................................................. 48
6-3.
Printed Wiring Board — CD Section — ............................ 50
6-4.
Schematic Diagram — CD Section — ............................... 53
6-5.
Schematic Diagram — Deck Section — ............................ 57
6-6.
Printed Wiring Board — Deck Section — ......................... 61
6-7.
Printed Wiring Board — OSD Section — .......................... 64
6-8.
Schematic Diagram — OSD Section — ............................ 67
6-9.
Schematic Diagram — Surround Amp Section — ............. 71
6-10. Printed Wiring Board — Surround Amp Section — .......... 75
6-11. Printed Wiring Board — Display Section — ..................... 79
6-12. Schematic Diagram — Display Section — ........................ 83
6-13. IC Block Diagrams ............................................................. 86
6-14. IC Pin Function
6-11. Printed Wiring Board — Display Section — ..................... 79
6-12. Schematic Diagram — Display Section — ........................ 83
6-13. IC Block Diagrams ............................................................. 86
6-14. IC Pin Function
• IC106 CD System Controller
(µPD78058GC-225-3B9) ................................................ 93
• IC301 Deck System Control (HD6433522P01F) ............ 95
• IC401 Display Control, FL Driver
• IC401 Display Control, FL Driver
(µPD780204GF-020-3BA) .............................................. 97
• IC602 OSD Controller (HD6413004F) ........................... 99
• IC605 OSD (MB90095PF-G-175) ................................ 101
• IC1501 Surround System Control
• IC605 OSD (MB90095PF-G-175) ................................ 101
• IC1501 Surround System Control
(µPD78042FGF-026-3B9) ............................................ 102
7. EXPLODED VIEWS
7-1.
L-ch Speaker System Section ........................................... 104
7-2.
Amplifier Seciton ............................................................. 105
7-3.
R-ch Speaker System Seciton ........................................... 106
7-4.
Mechanism Component Section ....................................... 107
7-5.
TC Mechanism Section 1 (TCM-190RB53C) .................. 108
7-6.
TC Mechanism Section 2 (TCM-190RB53C) .................. 109
7-7.
CD Mechanism Section 1 (CDM-41) ............................... 110
7-8.
CD Mechanism Section 2 (Tray Assembly) (CDM-41) ... 111
7-9.
CD Mechanism Section 3 (R Side Chassis Assembly)
(CDM-41) ......................................................................... 112
(CDM-41) ......................................................................... 112
7-10. CD Mechanism Section 4 (Main Chassis Assembly)
(CDM-41) ......................................................................... 113
7-11. CD Mechanism Section 5 (Drive Unit Assembly)
(CDM-41) ......................................................................... 114
7-12. Rear Speaker System Section (SS-SR151) ...................... 115
8. ELECTRICAL PARTS LIST
........................................ 116
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra-
diation exposure.
other than those specified herein may result in hazardous ra-
diation exposure.
This appliance is classified as
a CLASS 1 LASER product.
The CLASS 1 LASER PROD-
UCT MARKING is located on
the rear exterior.
a CLASS 1 LASER product.
The CLASS 1 LASER PROD-
UCT MARKING is located on
the rear exterior.
MODEL IDENTIFICATION
— BACK PANEL —
— BACK PANEL —
R
L
Parts No.
• Abbreviation
AUS: Australian model
US model (Right)
AUS model (Right)
US model (Left)
AUS model (Left)
MODEL
PARTS No.
4-981-882-0
4-981-882-1
4-981-883-0
4-981-883-1
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of soldering iron around 270˚C
during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
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 COMPO-
NENTS WITH SONY PARTS WHOSE PART NUM-
BERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
TO SAFE OPERATION. REPLACE THESE COMPO-
NENTS WITH SONY PARTS WHOSE PART NUM-
BERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
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