Category: LED Television Repair and Service
Contents ts of this article
- How to access service mode
- Accessing Diagnostic Menu
- Model number edit
- Software update
SONY KLV-28R412B
Accessing Service Mode
1) Go to TV standby condition by remote commander.
2) Press “i+ (info)”, “5”, “Volume +” then “TV power” on remote.
3) You can see Service Mode on display.
1) Go to TV standby condition by remote commander.
2) Press “i+ (info)”, “5”, “Volume +” then “TV power” on remote.
3) You can see Service Mode on display.
Accessing Software Version
1) Press (Enter) or RIGHT button on Remote to enter status information.
1) Press (Enter) or RIGHT button on Remote to enter status information.
2) Press (Enter) button on Remote to back to Service Mode.
Accessing Self Diagnostic History
1) Press (Enter) button on Remote to enter Self Check Mode.
1) Press (Enter) button on Remote to enter Self Check Mode.
2) Press Enter button on Remote to back to Service Mode
Accessing Self Diagnostic Menu
1) Go to TV standby condition by remote commander.
2) Press “i+ (info)”, “5”, “Volume -” then “TV power” on remote.
3) T Exit press power Off & on.
1) Go to TV standby condition by remote commander.
2) Press “i+ (info)”, “5”, “Volume -” then “TV power” on remote.
3) T Exit press power Off & on.
Remote function:
Error history clear : <8> -> <0>
Panel operation time clear: <7> -> <0>
Error history clear : <8> -> <0>
Panel operation time clear: <7> -> <0>
Accessing Serial Number Edit
1) Press RIGHT button on Remote to edit Serial Number.
1) Press RIGHT button on Remote to edit Serial Number.
2) Press UP or DOWN button to select number
The font color of YES is change to black when it is selected.
The font color of YES is change to black when it is selected.
3) Serial Number can be set ONLY ONCE.
After user input data , press <Enter>.
Pop dialog will appear to inform user to confirm data.
Press LEFT or RIGHT button to select YES or NO.
Select YES if input data is correct
Select NO if input data is incorrect.
Press <Enter> to save answer.
After user input data , press <Enter>.
Pop dialog will appear to inform user to confirm data.
Press LEFT or RIGHT button to select YES or NO.
Select YES if input data is correct
Select NO if input data is incorrect.
Press <Enter> to save answer.
4) If yes selected then the input data will save to the EEPROM
SERIAL NUMBER EDIT is grayed out and the serial number that has been input is displayed.
User will not able to edit anymore
5) If NO is selected, the input data is not saved into EEPROM
The serial number that has been input is displayed.
User can still edit the Serial Number.
User can still edit the Serial Number.
Note : * The font color of NO is change to black when it is selected
Note : * The font color of SERIAL NUMBER is white after NO is selected
Accessing Model Name Edit
1) Press RIGHT button on Remote to edit Model Name.
1) Press RIGHT button on Remote to edit Model Name.
2) Press UP or DOWN button on Remote to select character
3) Model Name can be set ONLY ONCE.
After user input data , press <Enter>.
Pop dialog will appear to inform user to confirm data.
Press LEFT or RIGHT button to select YES or NO.
Select YES if input data is correct.
Select NO if input data is incorrect.
Press <Enter> to save answer.
Pop dialog will appear to inform user to confirm data.
Press LEFT or RIGHT button to select YES or NO.
Select YES if input data is correct.
Select NO if input data is incorrect.
Press <Enter> to save answer.
4) If YES is selected, the input data is saved into EEPROM.
Model Name EDIT is grayed out and the model name that has been input is displayed
User will not able to edit anymore
Updating the software (For Asia Region Only)
Note:
Software updates can be performed by:
1)System Update through the Internet which available only on Certain LCD models. Please check on i-manual or Operating Instruction whether the model is available with the system.
OR
2) Please check with Software Upgrade Manual in Service Website for the procedure and when it is require for the software updating.
3) The software updates may not be ready yet in the Website after the 1st Issue of Service Manual is released.
4) Do check and keep updated with the Service Website for any information and/or listed issues that are software related to avoid any discrepancy.
Note:
Software updates can be performed by:
1)System Update through the Internet which available only on Certain LCD models. Please check on i-manual or Operating Instruction whether the model is available with the system.
OR
2) Please check with Software Upgrade Manual in Service Website for the procedure and when it is require for the software updating.
3) The software updates may not be ready yet in the Website after the 1st Issue of Service Manual is released.
4) Do check and keep updated with the Service Website for any information and/or listed issues that are software related to avoid any discrepancy.
No Power
Check DC voltage at JL6001 Is it 19.5V?
Take out adaptor and test at adaptor output is it 19V – 19.5V? > BB board
If adapter is faulty Change adaptor and test again.
