BDP-S485 - 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

1-4. 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-470AAA/C2RP Packing Spec. .......................  1-17
  1-4-7.  KEM-470AAA/C2RP 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 ................................................  1-20

2. DISASSEMBLY

2-1. Disassembly 

Flow 

........................................................  

2-1

2-2. Upper 

Case 

..................................................................  

2-1

2-3. Tray 

Cover 

Assy 

 

..........................................................  

2-2

2-4.  Front Panel Assy, FL-204 and IF-172 Board

 ..  

2-2

2-5.  Rear Panel Block .........................................................  2-3
2-6.  MB-139 Board  .............................................................  2-3
2-7. BD 

Drive

 

.....................................................................

..  2-4

2-8.    Switching Regulator .....................................................  2-5E

3. 

BLOCK  DIAGRAM

3-1.  Overall Block Diagram..................................................  3-1
3-2.  DSP Block Diagram ......................................................  3-2
3-3.  AV OUT Block Diagram ................................................  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.  IF-172 Board (FRONT RIGHT) Schematic Diagram  ... 4-3
4-4.  IF-172 Board (USB FRONT) Schematic Diagram  ...... 4-4

4-6.  MB-139 Board (DDR 3 A) 
 

Schematic Diagram (1/17)............................................  4-6

4-7.  MB-139 Board (DDR 3 B) 
 

Schematic Diagram (2/17)............................................  4-7

4-14.  MB-139 Board (AUDIO) 
 

Schematic Diagram (9/17)............................................  4-14

4-15.  MB-139 Board (VIDEO) 
 

Schematic Diagram (10/17)..........................................  4-15

4-16.  MB-139 Board (GPIO/JTAG) 
 

Schematic Diagram (11/17) ..........................................  4-16

4-17.  MB-139 Board (IF CON) 
 

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

4-18.  MB-139 Board (FE OP/GIO) 
 

Schematic Diagram (13/17)..........................................  4-18

4-19.  MB-139 Board (FE_POWER/MOTOR DRIVE)  

4-24. Waveforms ...................................................................  4-23E

5. 

PRINTED  WIRING  BOARD

5-1.  This Note Is Common For Printed Wiring Boards ........  5-1
5-2.  FL-204 Board (REAR) Printed Wiring Board....

 5-2

5-3.  IF-172 Board  
 

Printed Wiring Board ......................................................  5-3

5-4. MB-139 

Board(MAIN)

 

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

..   5-4

5-5.  MB-139 Board (MAIN) 
 

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

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. 

 

...........................................  10-2

  10-1-3. 

Main Chassis Section

 

.............................................................  10-3

  10-1-4. 

BD Section

 ..........................................................  10-4

  Accessories 

 

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

Schematic Diagram (14/17) ........................................  4-19

4-11.  MB-139 Board (USB) Schematic Diagram (6/17).........  4-11

4-12.  MB-139 Board (HDMI) 
 

Schematic Diagram (7/17)............................................  4-12

4-13.  MB-139 Board (ETHERNET) 
 

Schematic Diagram (8/17)............................................  4-13

2-9.    Circuit Boards Location ................................................  2-5E

1-5.

 

Rear Panel Assembly Caution.................................

..  1-23E

  1-3-2.  Main functions

 

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

4-9.  MB-139 Board (POWER 2) 
 

Schematic Diagram (4/17)............................................  4-9

4-10.

  MB-139 Board (FLASH/HOST) 

 

Schematic Diagram (5/17)............................................  4-10

4-8.  MB-139 Board (POWER) 
 

Schematic Diagram (3/17)............................................   4-8

4-5.  FL-204 Board (POWER) 

 Schematic Diagram             ... 4-5

4-20.  MB-139 Board (DC FAN) 
 

Schematic Diagram (15/17)..........................................  4-20

4-21.  MB-139 Board (VIDEO IN OUT) 
 

Schematic Diagram (16/17)..........................................  4-21

4-22.  MB-139 Board (SATA)  

Schematic Diagram (17/17) ........................................  4-22

5-6.  MC-202 Board (MAIN) 
 

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

4-23.  MC-202 Board (MIC)  

Schematic Diagram  ...................................................  4-22