Replacing The Main Board - Sony KDL-42W805A Repair Manual

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. Press down the 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
SIDE
BRACKET
UNDER
4. Remove 7 screws from the Main Board, then lift to detach.
5. Install the new Main Board and screws.
KDL-42W805A/47W805A
Section 4 - Exploded View/Part Number
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
Authorized 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
e. Wait until the Software update is complete.
8. After update is complete, press
9. Access Service Mode by pressing the following buttons within 1 second
of each other:
DISPLAY
on the remote to turn ON the TV.
POWER
to turn off the TV.
POWER
+
5
Channel Volume
POWER
14