DOWNLOAD Sony KDL-52XBR4 / KDL-52XBR5 Service Manual ↓ Size: 16.83 MB | Pages: 127 in PDF or view online for FREE

1   Remove 3 Screws, +BVTP2 4X16

2   Remove 2 Screws, +PSW M3X5

3   Remove 4 screws, +PSW M5X8

3

1

Lower Stay

Upper Stay

2

Fin Bracket

1

1

LCD Panel

Front Cabinet

1   Remove 4 screws, +BSW M5X12

CAUTION: 

Be sure to identify the inverter cover screws before proceeding. DO NOT remove the screws securing the plastic strip holding the lamp 
sockets.  

1   Remove screws securing the inverter cover.

2   Disconnect the 2 connectors from the board you are removing that connects the upper inverter board to the lower inverter board.

3   To remove the lower board, disconnect 1 connector.

To remove the upper board, disconnect 2 connectors.

INVERTER BOARD REMOVAL

Only remove the screws securing the inverter 

cover which may be metal or plastic. The 

remaining plastic strip contains sockets for the 

fluorescent backlights and should never be 

loosened. The backlights will pop out of the 

sockets and/or break the backlight requiring a 

LCD panel replacement. The example shown 

is a 32” model but applies to all models.

REMOVE 

CONNECTOR AND 

PULL BOARD TO 

THE RIGHT

BACKLIGHT

END VIEW

SOCKET

2

3

3

Plastic Strip
holding 
Lamp Socket

Left Lower Inverter Board

NOTE: The connector that attaches the Left Upper Inverter board
to the DF5 board has a strip of white tape at both ends of the connector.
The connector that attaches the Right Upper Inverter board
to the DF4 board has a strip of red tape at both ends of the connector.

DO NOT
REMOVE
BACKLIGHT
SCREWS

Left Upper Inverter Board

Inverter Cover

1

Plastic Strip
holding 
Lamp Socket

 

TV POWER

Onscreen cursor
and select button

DISPLAY

5

VOLUME+

JUMP

To adjust various set features, use the Remote Commander to put the set 
into service mode to display the service menus.

1.  TV must be in standby mode. (Power off).

2.  Press the following buttons on the Remote Commander within a 

second of each other: 

 

DISPLAY   

Channel 

5   

Volume 

+  

  TV POWER .

 

The fi rst service menu (TV) displays.

3.  To display the service menu that contains the category you want to 

adjust, press JUMP  on the Remote Commander. 

CHASSIS SERVICE

000 GR  
000 

GRMD 

     0 

 

SUB         SERVICE

000 VERS

000 

MODEL 

      

 

MODEL ID: XXXXXXXXXX      

 

Press  JUMP

BEM  

 

SERVICE

BOOT: 0. 

026W00AU

MAIN:      0. 050W00AU 

 

DATA:      0. 049A00LUW  

 

Press  JUMP

Press  JUMP

DIGITAL
001  OP 

 

000  

000  VERS

<SUB>

<DIGITAL>

SMO.100W00AA

DM0. 159A00AA

SD0.010W00AA

DD0.000A00LU

SB1.000W00AA

<BE>
BM0.050W00AU

BD0.049A00LUW
BB0.029W00AU

M2.001C

Press  JUMP

SERVICE

The screen displays the fi rst category in the selected service menu.

4.  To change the category, press  2  or  5  on the Remote Commander.

 

Note: Pressing  2  or  5  only changes the categories within the service menu displayed. 
To change a category on one of the other service menus, press the JUMP  button until the 
correct service menu is displayed.

5.  To change the adjustment item, press  1  or  4  on the Remote Commander.

6.  To change the data value, press  3  or  6  on the Remote Commander.

7.  To write into memory, press  MUTING  then  0  on the Remote Commander.
8.  To exit service mode, turn the power off.

6 Decrease

Data value

ENT

0

3 Increase 

Data value

5 Previous 

Category

MUTING

Write to 
memory

1

Next item

2

Next 
Category

4

Previous 
item

8

Restore User Control 
and Channel Memory

TV POWER

JUMP

Displays Service Menus