Friday, June 10, 2016
Sony Bravia LED TV - Sony KDL-50W800B – How to access service mode – How to enter to self diagnostic mode – Panel LED blinking and Course – LED TV repair and service
Category: LED TV Repair and Service
Contents of this article
- How to enter to Servcie mode
- How to Access self diagnostics
- LED blinking codes and cause
Sony KDL-50W800B
DIAGNOSING THE ERROR
Before servicing the Television:
1. Verify the TV has the symptom the customer indicated.
2. Check to see if the latest Software is installed.
a. If not, install the latest version.
3. Determine the replacement part required.
VIEWING THE SELF CHECK DIAGNOSIS HISTORY
When an error is detected, the Self Check screen records the number of times the error occurred. This is helpful in confirming past occurrences of an error and for determining if an error is intermittent when the customer is not sure what is causing the television to shut down. If the screen displays a “0”, no error has occurred.
1. Press POWER to turn on the TV and then turn it off again.
2. Press the following buttons on the Remote Commander within 1 second of each other:
Info i + Channel 5 Volume – POWER
Before servicing the Television:
1. Verify the TV has the symptom the customer indicated.
2. Check to see if the latest Software is installed.
a. If not, install the latest version.
3. Determine the replacement part required.
VIEWING THE SELF CHECK DIAGNOSIS HISTORY
When an error is detected, the Self Check screen records the number of times the error occurred. This is helpful in confirming past occurrences of an error and for determining if an error is intermittent when the customer is not sure what is causing the television to shut down. If the screen displays a “0”, no error has occurred.
1. Press POWER to turn on the TV and then turn it off again.
2. Press the following buttons on the Remote Commander within 1 second of each other:
Info i + Channel 5 Volume – POWER
Update the Software.
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 POWER on the remote to turn ON the TV.
e. Wait until the Software update is completed
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 POWER on the remote to turn ON the TV.
e. Wait until the Software update is completed
1. To access Service Mode
Turn TV ON and OFF again then press the following buttons within 1 second of each other:
Info i + Channel 5 Volume + POWER
2. When the DIGITAL Menu appears, press 2 until 002 MODEL category displays.
Info i + Channel 5 Volume + POWER
2. When the DIGITAL Menu appears, press 2 until 002 MODEL category displays.
3. Press 1 until 002 DEST item displays
4. Press 3 until the correct destination of the TV displays. (Use the below for reference).
KDL-50W800B - US/CND - ATSC_UC_BASE
5. Press MUTE then 0 to save the changes
6. Press 1 until 003 MODELNAME displays
7. Press 3 until the model displayed matches the model of the TV.
CAUTION: The Model Name can only be selected once. Be sure to verify the information is correct before saving the changes.
8. Press MUTE then 0 to save the changes.
CAUTION: The Model Name can only be selected once. Be sure to verify the information is correct before saving the changes.
8. Press MUTE then 0 to save the changes.
9. Locate the Serial Number for the TV on the side of the Rear Cover.
10. Press 1 until 004 SERIAL item displays.
11. Press 0 to display the Serial Number Edit option.
12. Press to display the Serial Number input screen
CAUTION: The Serial Number can only be selected once. Be sure to verify the information is correct before saving the changes.
13. Enter the Serial Number of the TV.
NOTE: If the incorrect Serial Number is entered, press RETURN to go back to the Serial Number input screen and re-enter the correct number.
14. Press to save the Serial Number.
13. Enter the Serial Number of the TV.
NOTE: If the incorrect Serial Number is entered, press RETURN to go back to the Serial Number input screen and re-enter the correct number.
14. Press to save the Serial Number.
15. Press 1 until 006 VAR_TYPE item displays.
16. Press 3 until STD option displays.
17. Press MUTE then 0 to save the changes.
18. Cycle AC Power (Unplug and plug AC Cord from the outlet).
19. Access Service Mode, by pressing the following buttons within 1 second of each other:
Info i + Channel 5 Volume + POWER
20. When the DIGITAL Menu appears, press 2 until 002 MODEL category displays.
19. Access Service Mode, by pressing the following buttons within 1 second of each other:
Info i + Channel 5 Volume + POWER
20. When the DIGITAL Menu appears, press 2 until 002 MODEL category displays.
21. Press 0 to select the 000 BOARD CHECK item.
When replacing the Main Board and/or Tuner Board:
22. Press 1 to verify the Main Board replacement results.
NOTE: Either one of the following messages indicates a correct process.
22. Press 1 to verify the Main Board replacement results.
NOTE: Either one of the following messages indicates a correct process.
CAUTION: If the Main Board is a mismatch to the Tuner Board, a “NG: WRONG COMBINATION OF MAIN BOARD AND TUNER BOARD” will display.
23. Press RETURN then MUTE and 0 to save the changes.
When replacing the Tuner Board only:
32. Press 2 to verify the Tuner Board replacement results.
32. Press 2 to verify the Tuner Board replacement results.
CAUTION: If the Tuner Board is a mismatch to the Main Board, a “NG: DIFFERENT KIND OF TUNER BOARD HAS BEEN CONNECTED” will display.
24. Press RETURN then MUTE and 0 to save the changes.
24. Press RETURN then MUTE and 0 to save the changes.
25. Clear the Self Check screen.
a. Press POWER to exit Service Mode.
b. Press the following buttons on the Remote Commander within 1 second of each other:
Info i + Channel 5 Volume – POWER
a. Press POWER to exit Service Mode.
b. Press the following buttons on the Remote Commander within 1 second of each other:
Info i + Channel 5 Volume – POWER
c. To clear the error history and error count press 8 0 .
d. Press POWER to exit Self Check Mode.
26. Cycle AC Power (Unplug and plug AC Cord from the outlet).
d. Press POWER to exit Self Check Mode.
26. Cycle AC Power (Unplug and plug AC Cord from the outlet).
LED BLINKING AND CAUSES
CLICK ON THE IMAGE TO ZOOM IN
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