BDP-S790 - 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.  KEM480AAA/C2RP1 Packing Spec ........................

  

1-17

  1-4-7.  KEM480AAA/C2RP1 Packing ..................................  1-18
  1-4-8.  BU Data Decode Jig ...............................................

9

1

-

1

  1-4-9.  Loading For Service

      ...............................................    1-20

  1-4-10.  Laser Caution Label ................................................  1-22

2.  DISASSEMBLY

2-1.

 

Disassembly Flow ......................................................... 2-1

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2

1

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2

2

2-3.

Side Panel .....................................................................

2

-

2

2-4. Top Panel ...................................................................... 2-2
2-5.

FR-317 board and WLAN Module .................................

2-3

3

-

2

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6

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2

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7

4

-

-

2

2

2-8

  

IR-078 Board and Switching Regulator.......................... 2-4

3.   BLOCK  DIAGRAMS

3-1.

 

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

3-2.

 

DSP Block Diagram .......................................................

2

-

3

3-3.

 

AV OUT Block Digram ................................................... 

3

-

3

3-4.

 

USB/ETHER/WIFI 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-317 Board (FRONT RIGHT) Schematic Diagram ....    4-3

4-4.

 FR-317 Board (FRONT USB) Schematic Diagram .......

4-4

MB-151 Board (DDR 3 A) 

Schematic Diagram (1/17) ............................................

4-6.

MB-151 Board (DDR 3 B) 
Schematic Diagram (2/17) ............................................

MB-151 Board (AUDIO) 

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

4-15

MB-151 Board (GPIO/JIG) 
Schematic Diagram (10/17) .........................................

MB-151 Board (FE_POWER/GIO) 
Schematic Diagram (11/17) ......................................... 4-16

MB-151 Board (FE_MOTOR DRIVER)

Waveforms ................................................................... 4-25E

5.  

PRINTED  WIRING  BOARDS

5-1.  This Note Is Common For Printed Wiring Boards ........  5-1

d

r

a

o

B

7

1

3

-

R

F

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5-2

5-3.  MB-151 Board (MAIN)
 

Printed Wiring Board (Side A)   ................................ ..  5-3

5-4.  MB-151 Board (MAIN) 
 

Printed Wiring Board (Side B) ......................................  5-4

6.  

IC  PIN  FUNCTION  DESCRIPTION

 ...................  6-1

7.  

SE RVICE  MODE  .....................................................  7-1

8.  

ERROR  LOG  LIST

 .................................................  8-1

9.  TROUBLESHOOTING

 

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

10.  

RE PAIR   PARTS  LIST

10-1. Exploded Views 

............................................................  10-1

  10-1-1.  Case Section ...........................................................  10-1

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2

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1

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3

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1

0

1

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  10-1-3. 

Main Chassis Section

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

  10-1-4. 

BD Section

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

10-5

Accessories

10-2.  Electrical Parts List .......................................................  10-6

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

MB-151 Board (USB)

4-9

MB-151 Board (HDMI) 
Schematic Diagram (7/17) ................................................ 4-12
MB-151 Board (ETHERNET) 

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

1-5.

 

Assembly Caution ......................................................... 1-23

  1-3-2.  Main functions

 

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

4-8.

MB-151 Board (CLK/POWER) 
Schematic Diagram (4/17) ............................................

4-7

4-9.

MB-151 Board (FLASH) 

Schematic Diagram (5/17) ............................................

4-8

4-7.

MB-151 Board (POWER) 
Schematic Diagram (3/17) ............................................

4-6

Tray Cover Assy ............................................................

Top bracket and front panel ..........................................

MB-151 Board ...............................................................

Back panel, Fan and BD drive ......................................  2-5E

2-9

Circuit Board Location ...................................................  2-5E

2-9

4-10

4-11

4-11.

4-10.

Schematic Diagram (6/17) ............................................

4-12.

4-13.

4-14.

4-15.

4-16.

4-17.

4-25.

Printed Wiring Board (Side A, Side B)   ...................... 5-2

5-5. IR-078 

Board 

 

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

5-6. TS-160 

Board 

 

Printed Wiring Board (Side A, Side B) ...........................  5-6

5-7. TS-161 

Board 

 

Printed Wiring Board (Side A, Side B) ...........................  5-7E

4-5.

 IR-078 Board (CTRL-S IN/IR-IN) Schematic Diagram ...   4-5

MB-151 Board (IFCON)
Schematic Diagram (13/17) ......................................... 4-18

4-18.

MB-151 Board (VIDEO)
Schematic Diagram (14/17) ......................................... 4-19

4-19.

MB-151 Board (VIDEO IN/OUT)
Schematic Diagram (15/17) ......................................... 4-20

4-20.

MB-151 Board (SATA)
Schematic Diagram (16/17) ......................................... 4-21

4-21.

MB-151 Board (DC FAN)
Schematic Diagram (17/17) ......................................... 4-22

4-22.

4-23.

 

TS-160 Board Schematic Diagram ............................   4-23

4-24.

 

TS-161 Board Schematic Diagram ............................   4-24