Read Sony XBR-70X855B Service Manual online
XBR-70X855B 18
SECTION 3 - REPAIR INFORMATION
REPLACING THE POWER SUPPLY BOARD
1.
Locate the Power Supply Board, disconnect all connectors and remove
screws, then lift as shown to detach.
2.
Locate the Sheet Insulation and lift as shown to detach.
3.
Install the new Power Supply Board, Sheet Insulation, screws and
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 one of the TVs’
USB ports.
b. Connect TV to AC power.
c.
Wait at least 20 seconds.
d. Press the Power button
I/0
on the TV to turn it ON.
e.
Wait until the Software update is completed.
REPLACING THE SWITCH UNIT
1.
Disconnect 1 connector and release the clips to lift and detach.
2.
Install the new Switch Unit and the connector.
REMOVING THE USB ASSEMBLY
1.
Locate the USB Assembly, release the clips and lift as shown to detach.
USB Assembly
USB Assembly
2.
Release the USB connector from the Bracket, Top.
Then lift USB Holder to detach from Cable with Connector (USB)
as shown.
USB Holder
USB Holder
Cable with
Connector
(USB)
Cable with
Connector
(USB)
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