BDP-N460 - 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. Caution 

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

1-4

 1-2-1. 

Operation and Display .............................................  1-2

1-3. Test 

Disc 

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

1-4

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 

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

2-2

2-5.  Front Chassis and USF-002 Board ..............................  2-3
2-6. Rear 

Panel 

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

2-3

2-7. Switching 

Regulator 

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

2-4

2-8. BD 

Drive 

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

2-4

2-9. MB-130 

Board 

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

2-5

2-10.  Circuit Boards Location ................................................  2-5

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, FL Block Diagram ..................................  3-4
3-5.  Power Block Diagram (1/2) ..........................................  3-5
3-6.  Power Block Diagram (2/2) ..........................................  3-6

4. SCHEMATIC 

DIAGRAMS

4-1.  This Note Is Common For Schematic Diagrams ..........  4-1
4-2.  Frame Schematic Diagram...........................................  4-2
4-3.  FL-199 Board (SWITCH) Schematic Diagram .............  4-3
4-4.  FR-307 Board (FRONT RIGHT) Schematic Diagram ..  4-4
4-5.  MB-130 Board (MT8520 DDR2-A) 
 

Schematic Diagram (1/11) ............................................  4-5

4-6.  MB-130 Board (MT8520 DDR2-B) 
 

Schematic Diagram (2/11) ............................................  4-6

4-7.  MB-130 Board (POWER1) 
 

Schematic Diagram (3/11) ............................................  4-7

4-8.  MB-130 Board (CLK/POWER2) 
 

Schematic Diagram (4/11) ............................................  4-8

4-9.  MB-130 Board (FLASH/HOST) 
 

Schematic Diagram (5/11) ............................................  4-9

4-10.  MB-130 Board (USB) Schematic Diagram (6/11) .........  4-10
4-11.  MB-130 Board (HDMI/SATA) 
 

Schematic Diagram (7/11) ............................................  4-11

4-12.  MB-130 Board (AUDIO/VIDEO) 
 

Schematic Diagram (8/11) ............................................  4-12

4-13.  MB-130 Board (GPIO/JTAG) 
 

Schematic Diagram (9/11) ............................................  4-13

4-14.  MB-130 Board (ETHERNET) 
 

Schematic Diagram (10/11) ..........................................  4-14

4-15.  MB-130 Board (IFD) Schematic Diagram (11/11) .........  4-15
4-16.  USB-021 Board (USB (REAR)) 
 Schematic 

Diagram 

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

4-16

4-17.  USF-002 Board (USB (FRONT)) 
 Schematic 

Diagram 

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

4-16

4-18. Waveforms ...................................................................  4-17

5. 

PRINTED WIRING BOARDS

5-1.  This Note Is Common For Printed Wiring Boards ........  5-1
5-2.  FL-199 Board (SWITCH) Printed Wiring Board............  5-2
5-3.  FR-307 Board (FRONT RIGHT) 
 

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

5-4.  FR-307 Board (FRONT RIGHT) 
 

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

5-5.  MB-130 Board (MAIN) 
 

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

5-6.  MB-130 Board (MAIN) 
 

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

5-7.  USB-021 Board (USB (REAR)) 
 

Printed Wiring Board ....................................................  5-7

5-8.  USF-002 Board (USB (FRONT)) 
 

Printed Wiring Board ....................................................  5-7

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.  Accessories .............................................................  10-4
10-2.  Electrical Parts List .......................................................  10-5