Replacing The Main Board / Tuner Board - Sony KDL-50W800B Repair Manual

REPLACING THE MAIN BOARD / TUNER BOARD

The Main Board used in these models is available for repair. For Part
Number information refer to
Information on page 19.
1. Disconnect Harness from the Main Board.
2. Locate and disconnect all remaining connectors.
3. Press down the 2 locking clips and pull LVDS cable to release.
4. Slide brackets to detach from Main Board.
KDL-50W800B
Section 4 - Exploded View/Part Number
SECTION 3 - REPAIR INFORMATION
5. Locate and remove screws from the Tuner Board and Main Board, then
lift to detach.
6. Install the new Main Board and/or Tuner Board and screws.
7. Reconnect the LVDS Cable and all other connectors.
8. Update the Software.
After ALL repairs UPDATE the SOFTWARE to the latest version.
Instructions are included with the Software package on the
Authorized Service Portal
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 completed.
website.
on the remote to turn ON the TV.
POWER
Sony
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