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REPLACING THE MAIN BOARD
The Main Board used in these models is available for repair. For Part
Number information refer to
Information on page 19.
1. Locate and press down the 2 locking clips to release the LVDS Cable.
2. Disconnect all remaining connectors from the Main Board.
3. Remove all screws from the Main Board and lift to detach.
4. Reconnect the LVDS Cable.
NOTE:
Make sure to secure the 2 locking
KDL-39R475A/42R474A/42R475A/46R475A
Section 4 - Exploded View/Part Number
clips.
SECTION 3 - REPAIR INFORMATION
5. Install the new Main Board, screws and all connectors.
6. Update the Software.
After ALL repairs UPDATE the SOFTWARE to the latest version.
Instructions are included with the Software package on the Sony
website.
a. Insert the USB device with the latest Software into the TV.
b. Press
POWER
c. Wait until the Software update is complete.
7. After update is complete, press
to turn on the TV.
to turn off the TV.
POWER
14
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