Resetting The Tv To Factory Condition; Updating The Software; Replacing The Main Board - Sony KDL-40HX750 Service Training Manual

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 44.
2. Do one of the following:
a. If the Standby LED blinks red 8 times, proceed to "Updating
the Software" on page 38.
b. Clear the Self Check history by following the instructions
provided in "Clearing the Self Diagnosis Self Check
Information" on page 36.

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.
3. Display the menu by pressing
4. Using the
select the following: Settings
Update.
NOTE: If TV is not connected to a network go to the Sony support
website and download the latest software for these models and
Install using a USB Thumb Drive.
KDL-40HX750/46HX750/46HX751/55HX750/55HX751
SECTION 5 - UPDATES AND ADJUSTMENTS
HOME
.
and the on the on the Remote Control,
Product Support
5. Do one of the following:
a. If the Standby LED blinks red 8 times, proceed to "Replacing
the Main Board" on page 38.
b. Clear the Self Check history by following the instructions
provided in
Information" on page 36.

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:
; 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 28.
Software
"Clearing the Self Diagnosis Self Check
38