Replacing The Main Board / Tuner Board - Sony KDL-40W590B Service Manual

REPLACING THE MAIN BOARD / TUNER 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 on
page 17.
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.
Side Side
Bracket Bracket
Under Bracket Under Bracket
KDL-40W590B/40W600B/48W590B/48W600B
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 the Power button
e. Wait until the Software update is completed.
website.
on the TV to turn it ON.
I/0
Sony
12