BDP-BX37, BDP-S270, BDP-S370, BDP-S373, BDP-S470 - Sony DVD Service Manual (repair manual). Page 3

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TABLE  OF  CONTENTS
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-460AAA/C2RP Packing Spec. .......................  1-17
  1-4-7.  KEM-460AAA/C2RP Packing ..................................  1-18
  1-4-8.  BU Data Decode Jig ................................................  1-19
  1-4-9.  Loading For Service      .........................................  1-19
  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.  BD Drive .......................................................................  2-2
2-5.  Front Panel Assy, SWB-001 and SWP-001..................  2-3
2-6.  Rear Panel Block..........................................................  2-4
2-7.  MB-134 Board ..............................................................  2-4
2-8.    Switching Regulator .....................................................  2-5E
3. 
BLOCK  DIAGRAMS
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         ..........................................  3-5
4. 
SCHEMATIC  DIAGRAMS
4-1.  This Note Is Common For Schematic Diagrams ..........  4-1
4-2.  Frame Schematic Diagram...........................................  4-2
4-3.  FR-309 Board (FRONT RIGHT) Schematic Diagram ... 4-3
4-4.  FR-309 Board (USB FRONT) Schematic Diagram ......  4-4
4-5.  MB-134 Board (CXD9983GG/9984GG) 
 
Schematic Diagram (1/15)............................................  4-5
4-6.  MB-134 Board (CXD9983GG/9984GG) 
 
Schematic Diagram (2/15)............................................  4-6
4-13.  MB-134 Board (AUDIO) 
 
Schematic Diagram (9/15)............................................  4-13
4-14.  MB-134 Board (VIDEO) 
 
Schematic Diagram (10/15)..........................................  4-14
4-15.  MB-134 Board (GPIO/JTAG) 
 
Schematic Diagram (11/15) ..........................................  4-15
4-16.  MB-134 Board (ETHERNET) 
 
Schematic Diagram (12/15)..........................................  4-16
4-17.  MB-134 Board (FE_POWER/SF/SATA) 
 
Schematic Diagram (13/15)..........................................  4-17
4-18.  MB-134 Board (FE_OP/MOTOR DRIVE)  
4-22.  USB-023 Board (REAR) 
 
Schematic Diagram ......................................................  4-21
4-23.  Waveforms ...................................................................  4-22E
5. 
PRINTED  WIRING  BOARDS
5-1.  This Note Is Common For Printed Wiring Boards ........  5-1
5-2.  SWB-001 Board (SWITCH) Printed Wiring Board........  5-2
5-3.  SWP-001 Board  
 
Printed Wiring Board ......................................................  5-2
5-4.  FR-309 Board (FRONT RIGHT) 
 
Printed Wiring Board ...................................................  5-3
5-5.  MB-134 Board (MAIN) 
 
Printed Wiring Board (Side A) ......................................  5-4
5-6.  MB-134 Board (MAIN) 
 
Printed Wiring Board (Side B) ......................................  5-5
5-7.  USB-023 Board (REAR) 
 
Printed Wiring Board ....................................................  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.  Front/Rear Chassis Section ....................................  10-2
  10-1-3.  Main Chassis Section ..............................................  10-3
  10-1-4.  BD Section ..............................................................  10-4
  10-1-5.  Accessories .............................................................  10-5
10-2.  Electrical Parts List .......................................................  10-6
BDP-BX37/S270/S370/S373/S470
4-19.  MB-134 BOARD(IFD) 
 
Schematic Diagram  (15/15)
     ............................................ 4-19
4-20.  SWB-001 BOARD 
4-21.  SWP-001 BOARD
Schematic Diagram (14/15) ........................................  4-18
 
Schematic Diagram   ...................................................... 4-20
 
Schematic Diagram   ...................................................... 4-20
4-10.  MB-134 Board (USB) Schematic Diagram (6/15).........  4-10
4-11.  MB-134 Board (HDMI) 
 
Schematic Diagram (7/15)............................................  4-11
4-12.  MB-134 Board (SATA) 
 
Schematic Diagram (8/15)............................................  4-12
2-9.    Circuit Boards Location ................................................  2-5E
1-5.  Harness Dressing .........................................................  1-24
  1-5-1.  Front harness dressing for S270 only
 
.....................  1-24
  1-5-2.  Front harness dressing for BX37/S370/S373:
 
 
1-24
AE1;UK;RUSSIAN;KOREAN;AUSTRALIA; 
THAILAND;CHINA,SAUDI ARABIA and EA7 ONLY 
  1-5-3.  Front USB(USB-008) and Harness(SIM-001)
 
 
1-25
dressing for BX37/S370/S373: US,CND,PX,
TAIWAN,E,BRAZILIAN and ARGENTINA ONLY ....
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  1-3-2.  Main functions
 
.........................................................  1-9
1-6. Power Cord Soldering Location ................................... 1-27
1-6-1. Soldering point for Switching Regulator (APS-257).... 1-27
1-6-2. Soldering point for Switching Regulator (SRV2206UC)1-27
  1-5-4.  Rear USB and Harness dressing for BDP-BX37/
 
 
1-26
S270/S370/S373/S470
Rear USB (USB-007) .............................................
4-8.  MB-134 Board (CLK/POWER2) 
 
Schematic Diagram (4/15)............................................  4-8
4-9.  MB-134 Board (FLASH/HOST) 
 
Schematic Diagram (5/15)............................................  4-9
4-7.  MB-134 Board (POWER1) 
 
Schematic Diagram (3/15)............................................  4-7
1-7. Remove PT Protection on MB-134 
1-28E
(Service Assy Main Board)...............
Display
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