DVP-CX875P - Sony DVD Service Manual (repair manual). Page 3

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Section

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Service Note ............................................................................ 5

1.

GENERAL

Precautions ................................................................... 1-1
Index to Parts and Controls .......................................... 1-2
Simple Start Guide ........................................................ 1-3
Hookups ........................................................................ 1-5
Playing Discs ................................................................. 1-7
Searching for and Managing Discs (Disc Explorer) ..... 1-12
Searching for a Scene ................................................... 1-15
Viewing Information About the Disc .............................. 1-16
Sound Adjustments ....................................................... 1-17
Enjoying Movies ............................................................ 1-18
Using Various Additional Functions .............................. 1-19
Settings and Adjustments ............................................. 1-21
Additional Information ................................................... 1-23

2.

DISASSEMBLY

2-1.

Upper Case Removal .................................................... 2-1

2-2.

Front Panel Block Removal ........................................... 2-1

2-3.

Power Block Removal ................................................... 2-1

2-4.

Mechanism Deck Assembly Removal ........................... 2-1

2-5.

AV-66 Board Removal ................................................... 2-2

2-6.

VD-33 Board Removal .................................................. 2-2

2-7.

MB-107 Board Removal ................................................ 2-2

2-8.

T Driving Block Removal ............................................... 2-2

2-9.

AI-25 Board Removal .................................................... 2-3

2-10. Center Guide Assembly Removal ................................. 2-3
2-11. Mechanism Deck Block Removal .................................. 2-3
2-12. Optical Pick-up Removal ............................................... 2-3
2-13. Circuit Boards Location ................................................. 2-4

3.

BLOCK DIAGRAMS

3-1.

Overall Block Diagram ................................................... 3-1

3-2.

RF/Servo Block Diagram ............................................... 3-3

3-3.

Signal Processor Block Diagram .................................. 3-5

3-4.

System Control Block Diagram ..................................... 3-7

3-5.

Video Block Diagram ..................................................... 3-9

3-6.

Audio Block Diagram ..................................................... 3-11

3-7.

NAND FLASH/300 CHG MECHA Control
Block Diagram ............................................................... 3-13

3-8.

Interface Control Block Diagram ................................... 3-15

3-9.

Power (1) Block Diagram .............................................. 3-17

3-10. Power (2) Block Diagram .............................................. 3-19

4.

PRINTED WIRING BOARDS AND SCHEMATIC
DIAGRAMS

4-1.

Frame Schematic Diagram ............................................ 4-3

4-2.

Printed Wiring Boards and Schematic Diagrams ......... 4-7
TK-63 (RELAY) Printed Wiring Board
and Schematic Diagram ................................................ 4-7
MB-107 Printed Wiring Board ....................................... 4-9
MB-107 (RF AMP, SERVO) Schematic Diagram .......... 4-13
MB-107 (ARP, SERVO DSP) Schematic Diagram ........ 4-15
MB-107 (AV DECODER) Schematic Diagram .............. 4-17
MB-107 (MOTOR DRIVE) Schematic Diagram ............ 4-19
MB-107 (SYSTEM CONTROL)
Schematic Diagram ....................................................... 4-21
MB-107 (CLOCK GENERATOR)
Schematic Diagram ....................................................... 4-23
MB-107 (I/P CONVERTOR) Schematic Diagram ......... 4-25
MB-107 (VIDEO ENCODER) Schematic Diagram ....... 4-27
MB-107 (AUDIO D/A CONVERTER)
Schematic Diagram ....................................................... 4-29
MB-107 (NAND FLASH I/F, EXTENSION I/O)
Schematic Diagram ....................................................... 4-31

AI-25 Printed Wiring Board ........................................... 4-33
AI-25 (LOADING/TURN TABLE/DOOR MOTOR
DRIVE, INTERFACE) Schematic Diagram ................... 4-35
VD-33 Printed Wiring Board .......................................... 4-37
VD-33 (VIDEO BUFFER) Schematic Diagram ............. 4-39
AV-66 Printed Wiring Board .......................................... 4-41
AV-66 (AUDIO AMP) Schematic Diagram .................... 4-43
FR-189 Printed Wiring Board ........................................ 4-45
FR-189 (INTERFACE CONTROL)
Schematic Diagram ....................................................... 4-47
CK-118 Printed Wiring Board ........................................ 4-49
CK-118 (DISC SENSOR) Schematic Diagram ............. 4-51
CS-58 Printed Wiring Board .......................................... 4-49
CS-58 (CHUCKING SENSOR) Schematic Diagram .... 4-51
LC-78 Printed Wiring Board .......................................... 4-49
LC-78 (LOADING/CHUCKING MOTOR)
Schematic Diagram ....................................................... 4-51
LS-62 Printed Wiring Board .......................................... 4-49
LS-62 (LOADING SENSOR) Schematic Diagram ........ 4-51
LL-12 Printed Wiring Board ........................................... 4-49
LL-12 (LOADING GUIDE INDICATOR L)
Schematic Diagram ....................................................... 4-51
LR-17 Printed Wiring Board .......................................... 4-49
LR-17 (LOADING GUIDE INDICATOR R)
Schematic Diagram ....................................................... 4-51
FL-128 Printed Wiring Board ........................................ 4-53
FL-128 (FUNCTION SWITCH) Schematic Diagram .... 4-55
SW-374 Printed Wiring Board ....................................... 4-53
SW-374 (EJECT SWITCH) Schematic Diagram .......... 4-55
TS-154 Printed Wiring Board ........................................ 4-57
TS-154 (TURN TABLE SENSOR)
Schematic Diagram ....................................................... 4-59
TM-129 Printed Wiring Board ....................................... 4-57
TM-129 (TURN TABLE MOTOR)
Schematic Diagram ....................................................... 4-59
DA-32 Printed Wiring Board .......................................... 4-57
DA-32 (DOOR SENSOR) Schematic Diagram ............. 4-59
DM-105 Printed Wiring Board ....................................... 4-57
DM-105 (DOOR MOTOR) Schematic Diagram ............ 4-59
ZSSR113M Printed Wiring Board ................................. 4-61
ZSSR113M (SWITCHING REGULATOR)
Schematic Diagram ....................................................... 4-63

5.

IC PIN FUNCTION DESCRIPTION

5-1.

System Control Pin Function
(MB-107 Board IC104) .................................................. 5-1

6.

TEST MODE

6-1.

General Description ...................................................... 6-1

6-2.

Starting Test Mode ........................................................ 6-1

6-3.

Syscon Diagnosis .......................................................... 6-1

6-4.

Drive Auto Adjustment .................................................. 6-6

6-5.

Drive Manual Operation ................................................ 6-8

6-6.

Mecha Aging ................................................................. 6-13

6-7.

Emergency History ........................................................ 6-13

6-8.

Version Information ....................................................... 6-13

6-9.

Video Level Adjustment ................................................ 6-13

6-10. IF CON Self Diagnostic Function .................................. 6-14
6-11. Troubleshooting ............................................................. 6-23

7.

ELECTRICAL ADJUSTMENT

7-1.

Power Supply Check ..................................................... 7-1

1.

ZSSR113M Board ......................................................... 7-1

7-2.

Adjustment of Video System ......................................... 7-2

1.

Video Level Adjustment ................................................ 7-2

2.

Component Video Output Level Adjustment ................. 7-2

3.

Checking S Video Output S-Y ....................................... 7-2

4.

Checking S Video Output S-C ....................................... 7-2