Read Sony KDL-50R450A Service Manual online
KDL-50R450A 17
SECTION 4 - EXPLODED VIEW/PART NUMBER INFORMATION
REPLACING THE POWER SUPPLY BOARD
1.
Locate and disconnect 2 connectors from Power Supply Board.
2.
Locate and remove 6 screws, then lift Power Supply Board to detach.
3.
Install the new Power Supply Board, screws and all connectors.
4. Update the Software.
After ALL repairs UPDATE the SOFTWARE to the latest version.
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 and the TV turns OFF.
REPLACING THE SWITCH UNIT
1.
Release Harness from Switch Unit, lift as shown then disconnect
connector to detach.
2.
Install the new Switch Unit and its connector.
REPLACING THE TCON BOARD
1.
Lift the black locking bar and pull LVDS cables to release.
2.
Remove 2 screws and lift the TCON Board to detach.
3.
Install the new TCON Board, screws and connectors.
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