KDL-40VL130, KDL-52W3000, KDL-52WL130, KDL-52WL135 - Sony TV Service Manual (repair manual). Page 19

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 (Balancer) Inverter Cover.

2   Remove screws securing the inverter board

3   Disconnect the connectors from the (Balancer) Inverter board you are removing.

4   For 52” models only,

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

3

3

Plastic Strip
holding 
Lamp Socket

NOTE: For the 52” models, the connector that attaches the 
Left Upper (Balancer) 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 (Balancer) Inverter board to the DF4 board has a strip of red tape 
at both ends of the connector.

DO NOT
REMOVE
BACKLIGHT
SCREWS

(Balancer) Inverter Cover

1

Plastic Strip
holding 
Lamp Socket

2

4