Read Sony KDL-40R450A / KDL-46R450A Service Manual online
KDL-40R450A/46R450A 17
SECTION 3 - REPAIR INFORMATION
REPLACING THE POWER SUPPLY BOARD
1. Remove screws to detach Bracket, then unhook Power Cord from Rear
Cover clip.
2. Remove 7 screws from Power Supply Board.
3. Tilt board to reach Power Cord connector and disconnect.
4. Disconnect all the remaining connectors to detach from the Rear Cover.
5. Install the new Power Supply Board.
6. Update the Software.
After ALL repairs UPDATE the SOFTWARE to the latest version.
Instructions are included with the Software package on the
Instructions are included with the Software package on the
Sony
Authorized Service Portal
website.
a. Insert the USB device with the latest Software into the TV.
b. Press
POWER
to turn on the TV.
c. Wait until the Software update is complete.
REMOVING THE SWITCH UNIT
1. Lift the black locking bar and pull FFC cable to release.
2. Locate gap between Switch Unit and Rear Cover, pull upwards to detach.
3. Install the new Switch Unit.
REMOVING THE SPEAKERS
1. Pull Speakers up and disconnect the connectors to detach.
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