DVP-K880D - Sony DVD Service Manual (repair manual). Page 3

Service Note ............................................................................ 4

1.

GENERAL

Getting Started ........................................................................ 1-1
Playing Discs ........................................................................... 1-3
Using Various Functions with the Control Menu ..................... 1-5
Enjoying Karaoke ..................................................................... 1-12
Settings and Adjustments ....................................................... 1-14
Self-Diagnosis Function .......................................................... 1-18
Index to Parts and Controls ..................................................... 1-19

2.

DISASSEMBLY

2-1.

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

2-2.

MB-82 Board Removal .................................................. 2-1

2-3.

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

2-4.

AU-213 Board Removal ................................................ 2-1

2-5.

Tray Cover Removal ..................................................... 2-2

2-6.

Front Panel Removal .................................................... 2-2

2-7.

Mechanism Deck Removal ........................................... 2-2

2-8.

Tray Removal ................................................................ 2-2

2-9.

Optical Pick-up Removal ............................................... 2-3

2-10. Belt, Loading Motor (M001),

MS-29/46, TK-51 Board Removal ................................. 2-3

2-11. Internal View .................................................................. 2-4
2-12. Circuit Boards Location ................................................. 2-5

3.

BLOCK DIAGRAMS

3-1.

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

3-2.

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

3-3.

Signal Process/Video Block Diagram ........................... 3-5

3-4.

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

3-5.

Audio (1) Block Diagram ............................................... 3-9

3-6.

Audio (2) Block Diagram ............................................... 3-11

3-7.

Audio (3) Block Diagram ............................................... 3-13

3-8.

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

3-9.

Power Block Diagram .................................................... 3-17

4.

PRINTED  WIRING  BOARDS  AND
SCHEMATIC  DIAGRAMS

4-1.

Frame Schematic Diagram ........................................... 4-3
Frame (1) Schematic Diagram ...................................... 4-3
Frame (2) Schematic Diagram ...................................... 4-5

4-2.

Printed Wiring Boards and Schematic Diagrams ......... 4-7
TK-51 Printed Wiring Board .......................................... 4-7
TK-51 Schematic Diagram ............................................ 4-11
MS-29/46  Printed Wiring Board and
Schematic Diagram ....................................................... 4-13
MB-82 Printed Wiring Board ......................................... 4-15
MB-82 (AV DECODER) Schematic Diagram ................ 4-19
MB-82 (SDRAM) Schematic Diagram .......................... 4-21
MB-82 (SERVO DSP) Schematic Diagram .................. 4-23
MB-82 (DRIVE) Schematic Diagram ............................ 4-25
MB-82 (ARP) Schematic Diagram ................................ 4-27
MB-82 (SYSTEM CONTROL) Schematic Diagram ...... 4-29
MB-82 (HGA) Schematic Diagram ................................ 4-31
MB-82 (CLOCK GENERATOR/AUDIO DSP/V EQ/NR)
Schematic Diagram ....................................................... 4-33
MB-82 (KARAOKE DSP) Schematic Diagram ............. 4-35
MB-82 (DAC) Schematic Diagram ................................ 4-37
MB-82 (BIAS) Schematic Diagram ............................... 4-39
AU-213 (MIC AMP/AUDIO 1) Schematic Diagram ....... 4-41
AU-213 (AUDIO 2) Schematic Diagram ........................ 4-43
AU-213 (VIDEO BUFFER) Schematic Diagram ........... 4-45
AU-213 Printed Wiring Board ........................................ 4-47
FL-102 Printed Wiring Board ........................................ 4-51

FL-102 (FUNCTION SWITCH)
Schematic Diagram ....................................................... 4-55
FL-102 (IF CON) Schematic Diagram .......................... 4-57
FR-151 Schematic Diagram .......................................... 4-59
FR-151 Printed Wiring Board ........................................ 4-61
SW-318 Printed Wiring Board and
Schematic Diagram ....................................................... 4-62
HP-112 Printed Wiring Board and
Schematic Diagram ....................................................... 4-63
MC-120 Schematic Diagram ......................................... 4-65
MC-120 Printed Wiring Board ....................................... 4-67
VR-70 Printed Wiring Board .......................................... 4-68
VR-70 Schematic Diagram ............................................ 4-69
HS-030SH/030SU Printed Wiring Board ...................... 4-71
HS-030SH/030SU Schematic Diagram ........................ 4-73

5.

IC PIN FUNCTION DESCRIPTION

5-1.

System Control Pin Function
(MB-82 Board IC202) .................................................... 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 ................................................... 6-5

6-5.

Drive Manual Operation ................................................ 6-7

6-6.

Mecha Aging .................................................................. 6-9

6-7.

Emergency History ........................................................ 6-9

6-8.

Version Information ....................................................... 6-10

6-9.

Video Level Adjustment ................................................. 6-10

7.

ELECTRICAL ADJUSTMENTS

7-1.

Power Supply Adjustment ............................................. 7-1

1.

Power Supply Check (HS-030SH/030SU BOARD) ...... 7-1

7-2.

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

1.

Video Level Adjustment (MB-82 BOARD) .................... 7-2

2.

S-terminal Output Check (MB-82 BOARD) .................. 7-2

3.

Checking Component Video Output B-Y
(MB-82 BOARD) ............................................................ 7-2

4.

Checking Component Video Output R-Y
(MB-82 BOARD) ............................................................ 7-2

5.

Checking Component Video Output Y
(MB-82 BOARD) ............................................................ 7-3

6.

Checking S Video Output S-C (MB-82 BOARD) .......... 7-3

7-3.

Adjustment Related Parts Arrangement ....................... 7-4

8.

REPAIR PARTS LIST

8-1.

Exploded Views ............................................................. 8-1

8-1-1. Case Assembly ......................................................... 8-1
8-1-2. Front Panel Assembly .............................................. 8-2
8-1-3. Chassis Assembly .................................................... 8-3
8-1-4. Mechanism Deck Assembly ..................................... 8-4

8-2.

Electrical Parts List ........................................................ 8-5

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