DVP-FX921, DVP-FX930, DVP-FX930WM, DVP-FX935 - Sony DVD Service Manual (repair manual). Page 3

1. DISASSEMBLY

1-1. Disassembly 

Flow 

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

1-1

1-2. Bottom 

Block 

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

1-1 

1-3. MAIN 

Board 

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

1-2

1-4. Monitor 

Sub 

Assy 

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

1-2

1-5. LCD 

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

1-3

1-6.  Circuit Boards Location ................................................  1-3

2. 

BLOCK  DIAGRAM

2-1.  Overall Block Diagram..................................................  2-1

3. 

SCHEMATIC  DIAGRAMS

3-1.  Frame Schematic Diagram (1/2) ..................................  3-1
3-2.  Frame Schematic Diagram (2/2) ..................................  3-2
3-3.  MAIN Board (1/5) (DC-DC POWER) ............................  3-3
3-4.  MAIN Board (2/5) 

(DVD SERVO & DSP MT1389LP) ...............................  3-4

3-5.  MAIN Board (3/5) (SDRAM & S-FLASH ROM) ............  3-5
3-6.  MAIN Board (4/5) 

(VIDEO OUT & PANEL CONNECT) .............................  3-6

3-7.  MAIN Board (5/5) (AUDIO)...........................................  3-7
3-8.  LCD Board (T_CON) ....................................................  3-8
3-9.  KEY Board (TOUCH BOARD) ......................................  3-9

4. 

PRINTED  WIRING  BOARDS

4-1.  MAIN Board (SIDE A) ...................................................  4-1
4-2.  MAIN Board (SIDE B)...................................................  4-2
4-3. LCD 

Board....................................................................  

4-3

4-4. KEY 

Board 

....................................................................  4-4

5. 

WAVEFORMS  AND  CIRCUIT  VOLTAGE

5-1. Waveforms 

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

5-1

5-2.  Circuit Voltage Chart ....................................................  5-3

6. 

IC  PIN  FUNCTION  DESCRIPTION

6-1.  MPEG/DSP/RF PIN Functiom

(Main Board U6: MT1389LP) .......................................  6-1

7. ELECTRICAL 

 

ADJUSTMENT

7-1. Standard 

Video 

Level 

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

7-1

7-2.  Vcom DC Level ............................................................  7-1

8. TROUBLESHOOTING

8-1.  Electrical Trouble  Shooting Guide ...............................  8-1
8-2.  LCD Trouble Shooting Guide .......................................  8-6

9. 

REPAIR  PARTS  LIST

9-1. EXPLODED 

VIEWS 

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

9-1

  9-1-1.  LCD Block ...............................................................  9-1
  9-1-2.  Main Block ...............................................................  9-2
  9-1-3.  Accessories .............................................................  9-3
9-2.  Electrical Parts List .......................................................  9-4