Replacing The Main Board / Tuner Board - Sony KDL-60W855B 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. Locate and remove 1 screw from the Bracket Rear, and lift to detach.
2. Slide the Side Bracket and Under Bracket to detach from Main Board.
Side Side
Bracket Bracket
Under Bracket Under Bracket
3. Locate and disconnect the connectors. Then remove all screws from
the Tuner Board and Main Board and lift to detach.
4. Install the new Main Board and/or Tuner Board and screws.
5. Reconnect all connectors.
KDL-60W855B/70W855B
Section 4 - Exploded View/Part Number
SECTION 3 - REPAIR INFORMATION
6. Update the Software.
After ALL repairs UPDATE the SOFTWARE to the latest version.
Instructions are included with the Software package on the Sony
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 completed.
7. To access Service Mode, turn TV ON and OFF again then press the
following buttons within 1 second of each other:
i +
Info
8. When the DIGITAL Menu appears, press
category displays.
DIGITAL
002 MODEL
000 BOARD CHECK
9. Press 1 until 002 DEST item displays.
DIGITAL
002 MODEL
002 DEST
CAUTION: If the incorrect Destination Data Value is selected,
it may corrupt the Sofware requiring a Main Board replacement.
on the remote to turn ON the TV.
POWER
+
5
Channel Volume
2
SERVICE
SERVICE
SBTVD-T_BASE
POWER
until 002 MODEL
13