BDP-S495 - Sony DVD Service Manual (repair manual). Page 3

1. SERVICE NOTE

1-1. Disc Removal Procedure If The Tray Cannot Be

Ejected (Forced Ejection) ............................................................... 1-1

1-2. Work when optical device are replaced ........................................... 1-1
1-3. Test Disc ......................................................................................... 1-2

1-3-1. Operation and Display ............................................................. 1-2
1-3-2. Menu functions ........................................................................ 1-9

1-4. Drive Repairing................................................................................ 1-15

1-4-1. Preparation .............................................................................. 1-15
1-4-2. Checking Flow ~ Drive (BU) section ~ .................................... 1-15
1-4-3. BU Check Flow [zz] ~ ............................................................. 1-16
1-4-4. BU (Optical Block) Repair Guide ............................................ 1-16
1-4-5. BU Adjustment Flow [yy] ~ ..................................................... 1-17
1-4-6. KEM-480AAA/C2RP1 Packing Spec ...................................... 1-17
1-4-7. KEM-480AAA/C2RP1 Packing ................................................ 1-18
1-4-8. BU Data Decode Jig ............................................................... 1-19
1-4-9. Loading For Service ................................................................ 1-20
1-4-10. Laser Caution Label ................................................................ 1-22

1-5. Assembly Caution .......................................................................... 1-23E

2. DISASSEMBLY

2-1. Disassembly Flow .......................................................................... 2-1
2-2. Side And Top Panel ........................................................................ 2 -1
2-3. Tray Cover Assy .............................................................................. 2-2
2-4. Front Panel And Top Bracket ........................................................... 2-2
2-5. FR-321 Board, FL-212 Board and MC-205 Board.............................2-3
2-6. Switching Regulator ........................................................................ 2-3
2 -7. MB-144 Board ................................................................................ 2-4
2-8. Op-020 Board And BD Drive ........................................................... 2-4
2-9. Circuit Board Location ................................................................... 2-5E

3. BLOCK DIAGRAMS

3-1. Overall Block Diagram .................................................................... 3-1
3-2. DSP Block Diagram ........................................................................ 3-2
3-3. AV OUT Block Digram ..................................................................... 3-3
3-4. USB/ETHER/Block Diagram ........................................................... 3-4
3-5. Power Block Diagram ................................................................. 3-5E

4. SCHEMATIC DIAGRAM

4-1. This Note Is Common For Schematic Diagrams .............................. 4-1
4-2. Frame Schematic Diagram...............................................................4-2
4-3. FR-321 Board (FRONT BOARD) Schematic Diagram ..................... 4-3
4-4. FR-321 Board (FRONT USB) Schematic Diagram .......................... 4-4
4-5. FL-212 Board Schematic Diagram .................................................. 4-5
4-6. OP-020 Board Schematic Diagram ................................................. 4-6
4-7. MC-205 Board Schematic Diagram ................................................. 4-7
4-8. MB-144 Board (DDR 3 A)

Schematic Diagram (1/12) .............................................................. 4-8

4-9. MB-144 Board (DDR 3 B)

Schematic Diagram (2/12) .............................................................. 4-9

4-10.MB-144 Board (POWER)

Schematic Diagram (3/12) ............................................................. 4-10

4-11. MB-144 Board (CLK/POWER2)

Schematic Diagram (4/12) ............................................................. 4-11

4-12.MB-144 Board (FLASH/HOST)

Schematic Diagram (5/12) ............................................................. 4-12

4-13.MB-144 Board (USB)

Schematic Diagram (6/12) ............................................................. 4-13

4-14.MB-144 Board (HDMI/VIDEO)

Schematic Diagram (7/12) ............................................................. 4-14

4-15.MB-144 Board (ETHERNET)

Schematic Diagram (8/12) ............................................................. 4-15

4-16.MB-144 Board (AUDIO/VIDEO)

Schematic Diagram (9/12) ............................................................. 4-16

4-17.MB-144 Board (GPIO/JTAG)

Schematic Diagram (10/12) ........................................................... 4-17

4-18.MB-144 Board (FE_POWER/OP)

Schematic Diagram (11/12) ............................................................ 4-18

4-19.MB-144 Board (FE_POWER/MOTOR DRIVE)

Schematic Diagram (12/12) ........................................................... 4-19

4-20.Waveforms ...................................................................................... 4-20E

5. PRINTED WIRING BOARDS

5-1. This Note Is Common For Printed Wiring Boards .......................... 5-1
5-2. FR-321 Board (FRONT RIGHT) Printed Wiring Board.................... 5-2
5-3. FL-212 Board (FRONT LEFT) and

OP-020 Board (OPTICAL) Printed Wiring Board ............................5-3

5-4. MC-205 Board (MIC) Printed Wiring Board...................................... 5-4
5-5. MB-144 Board(MAIN)

Printed Wiring Board (Side A) ......................................................... 5-5

5-6. MB-144 Board (MAIN)

Printed Wiring Board (Side B) ....................................................... 5-6E

6. IC PIN FUNCTION DESCRIPTION .................................... 6-1

7. SERVICE MODE ................................................................ 7-1

8. ERROR LOG LIST ............................................................. 8-1

9. TROUBLESHOOTING......................................................... 9-1

10. REPAIR PARTS LIST

10-1.Exploded Views ............................................................................ 10-1

10-1-1. Case Section ......................................................................... 10-1
10-1-2. Main Chassis Section............................................................. 10-2
10-1-3. BD Section.............................................................................. 10-3
10-1-4. Accessories ........................................................................... 10-4

10-2.Electrical Parts List ....................................................................... 10-5