Sony mv 900 sds service manual

Page 2

MV-QOOSDS

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
EXPOSUIC.

Notes on chip component replacement
0 Never reuse a disconnected chip component.
0 Notice that the minus side of a tantalum capacitor may be
damaged by heat.

Flexible Circuit Board Repairing
0 Keep the temperature of the soldering iron around 270 C
during repairing.
0 Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
0 Be careful not to apply force on the conductor when soldering
or unsoldering.

Thi 5 located on the drive units internal
Chassis.

3.

3-1.
3-2.
3-3.
3-4.
3-5.

3-7.
3-8r

6-7.
6-8.
6-9

6-10.
6-11.
6-12.
6-13.
6-14.
6-15.
6-16.
6-17.
6-18.
6-19.

7.

7-1.
7-2.
7-3
7-4.
7-5.

8.

TABLE OF CONTENTS

SERVICING NOTES . 3
GENERAL

Location of Controls ........................................................ 5
DISASSEMBLY

Disassembly Flow ........................................................... 9
Bracket (Main) .................... 9
DVD Mechanism Deck Block . 10
MAIN Board ........ 10
Rear Cover (Hinge) 11
LCD Block 11
LCD Board 12
Liquid Crystal D play Panel (LCDl) 12
TEST MODE .............................................................. 13
ELECTRICAL ADJUSTMENTS ......................... l4

DIAGRAMS
Block Diagram 7 MPEG DECODER Section 7
Block Diagram 7AUDIO Section 7
Block Diagram 7 VIDEO, PANEL Section 7
Block Diagram 7 POWER SUPPLY Section
Printed Wiring Board

7 MAIN Board (Component Side) 7 ............................... 24
Printed Wiring Board

7 MAIN Board (Conductor Side) 7 ..........
Schematic Diagram 7 MAIN Board (1/4) 7
Schematic Diagram 7 MAIN Board (2/4) 7
Schematic Diagram 7 MAIN Board (3/4) 7
Schematic Diagram 7 MAIN Board (4/4) 7 ..
Printed Wiring Board 7 LCD Board (Side A) 7
Printed Wiring Board 7 LCD Board (Side B) 7
Schematic Diagram 7 LCD Board (1/4) 7
Schematic Diagram 7 LCD Board (2/4) 7
Schematic Diagram 7 LCD Board (3/4) 7
Schematic Diagram 7 LCD Board (4/4) 7
Printed Wiring Board 7 PANEL Section (1/2) 7 ..
Printed Wiring Boards 7 PANEL Section (2/2)
Schematic Diagram 7 PANEL Section 7.

30

EXPLODED VIEWS

Skirt (Cabinet) Section 54
Front (Panel) Section. 55
MAIN Board Section. 56
Cabinet (Base) Section 57
LCD Section .................................................................... 58
ELECTRICAL PARTS LIST ................................ 59