Table Of Contents - Sony MV-900SDS Service Manual

MV-900SDS
CAUTION
The use of optical instruments with this
product will increase eye hazard.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation
exposure.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of the 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.
DANGER INVISIBLE LASERRADIATIONWHEN OPEN.
AVOID DIRECT EXPOSURE TO BEAM.
This is located on the drive unit's internal
chassis.
2

TABLE OF CONTENTS

1. SERVICING NOTES
2. GENERAL
Location of Controls ........................................................ 5
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 9
3-2. Bracket (Main) ................................................................ 9
3-3. DVD Mechanism Deck Block ......................................... 10
3-4. MAIN Board .................................................................... 10
3-5. Rear Cover (Hinge) ......................................................... 11
3-6. LCD Block ...................................................................... 11
3-7. LCD Board ...................................................................... 12
3-8. Liquid Crystal Display Panel (LCD1) ............................. 12
4. TEST MODE
.............................................................. 13
5. ELECTRICAL ADJUSTMENTS
6. DIAGRAMS
6-1. Block Diagram - MPEG DECODER Section - ............ 19
6-2. Block Diagram - AUDIO Section - ............................... 20
6-3. Block Diagram - VIDEO, PANEL Section - ................. 21
6-4. Block Diagram - POWER SUPPLY Section - .............. 22
6-5. Printed Wiring Board
- MAIN Board (Component Side) - ............................... 24
6-6. Printed Wiring Board
- MAIN Board (Conductor Side) - ................................. 25
6-7. Schematic Diagram - MAIN Board (1/4) - ................... 26
6-8. Schematic Diagram - MAIN Board (2/4) - ................... 27
6-9. Schematic Diagram - MAIN Board (3/4) - ................... 28
6-10. Schematic Diagram - MAIN Board (4/4) - ................... 29
6-11. Printed Wiring Board - LCD Board (Side A) - ............. 30
6-12. Printed Wiring Board - LCD Board (Side B) - ............. 31
6-13. Schematic Diagram - LCD Board (1/4) - ...................... 32
6-14. Schematic Diagram - LCD Board (2/4) - ...................... 33
6-15. Schematic Diagram - LCD Board (3/4) - ...................... 34
6-16. Schematic Diagram - LCD Board (4/4) - ...................... 35
6-17. Printed Wiring Board - PANEL Section (1/2) - ............ 36
6-18. Printed Wiring Boards - PANEL Section (2/2) - ........... 37
6-19. Schematic Diagram - PANEL Section - ........................ 38
7. EXPLODED VIEWS
7-1. Skirt (Cabinet) Section .................................................... 54
7-2. Front (Panel) Section ....................................................... 55
7-3. MAIN Board Section ....................................................... 56
7-4. Cabinet (Base) Section .................................................... 57
7-5. LCD Section .................................................................... 58
8. ELECTRICAL PARTS LIST
................................................ 3
......................... 14
................................ 59