KDL-46W705A, KDL-50W705A - Sony TV Service Manual (repair manual). Page 17

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KDL-46W705A/50W705A 13
SECTION 3 - REPAIR INFORMATION
6.  Reconnect the LVDS Cable and all other connectors.
7.  Update the Software.
After ALL repairs UPDATE the SOFTWARE to the latest version. 
Instructions are included with the Software package on the Sony oficial 
website.
a.  Insert the USB device with the latest Software into one of the TVs’  
 
USB ports.
b.  Connect TV to AC power.
c.  Wait at least 20 seconds.
d.  Press 
POWER
 on the remote to turn ON the TV.
e.  Wait until the Software update is complete.
8.  Access 
Service Mode by pressing the following buttons within 1 second 
of each other:
DISPLAY
 
 
Channel
 
5
 
 
Volume
 
+
 
 
POWER
9.  When the 
DIGITAL Menu appears, press 
2
 until 
002 MODEL 
category displays.
REPLACING THE MAIN BOARD
The Main Board used in these models is available for repair. For Part 
Number information refer to
 
Section 4 - Exploded View/Part Number 
Information en la página 18.
1.  Press down 2 locking clips and pull LVDS cable to release. 
2.  Disconnect remaining connectors.
3.  Slide Bracket Side and Bracket Under to remove from Main Board.
BRACKET 
UNDER
BRACKET 
SIDE
4.  Remove 7 screws from the Main Board, then lift to detach.
5.  Install the new Main Board and screws.
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