Verifying There Is An 8X Error; Resetting The Tv To Factory Condition; Updating The Software; Replacing The Main Board - Sony KDL-40HX752 Service Training Manual

Lcd digital color tv
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VERIFYING THERE IS AN 8X ERROR

1.
Disconnect all inputs to the TV
2.
Cycle AC Power
(Unplug and Plug AC Cord from the AC Outlet).
3.
Do one of the following:
a. If the Standby LED blinks red 8 times, proceed to "Resetting
the TV to Factory Condition" on page 35.
b. Clear the Self Check history by following the instructions
provided in "Clearing the Self Diagnosis Self Check
Information" on page 33

RESETTING THE TV TO FACTORY CONDITION

Verify before proceeding to the next step:
; Verified the error is an 8X error
1.
To reset the TV, follow the instructions for "Resetting the TV to
Factory Condition" on page 40.
2.
Do one of the following:
a. If the Standby LED blinks red 8 times, proceed to "Updating
the Software" on page 35.
b. Clear the Self Check history by following the instructions
provided in "Clearing the Self Diagnosis Self Check
Information" on page 33.

UPDATING THE SOFTWARE

Verify before proceeding to the next step:
; Verified the error is an 8X error
; Reset the TV to Factory Condition
1.
Check for latest Software Version through Network Connection or
Reference Library.
2.
Connect and Configure TV Network Connection.
KDL-40HX752/46HX752
SECTION 5 - UPDATES AND ADJUSTMENTS

REPLACING THE MAIN BOARD

The Main Board should be replaced only if all other options have not
resolved the issue.
Verify before proceeding to the next step:
3.
Display the menu by pressing
4.
Using the
and the
select the following: Settings
Update.
NOTE: If TV is not connected to a network go to the Sony support
website for your region and download the latest software for these
models and install using a USB Thumb Drive.
5.
Do one of the following:
a. If the Standby LED blinks red 8 times, proceed to "Replacing
the Main Board" on page 35.
b. Clear the Self Check history by following the instructions
provided in "Clearing the Self Diagnosis Self Check
Information" on page 33.
; Verified the error is an 8X error.
; Reset the TV to Factory Condition
; Updated the Software
1.
Follow all of the instructions in "Completing Service Requirements
When Replacing the Main Board" on page 26.
HOME
.
on the on the Remote Control,
Product Support
Software
35

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