How to know it is from Main Board or T-Con when some problems happen
No Picture : Backlight is on, but there is no picture and LED indicator in front of TV is blinking.
1.
Check the LVDS Cable connection. If still problems, change the T-Con Board and then Main Board step by step.
-
Picture distortion : Enter the service mode
2.
⇢
Choose ‘SVC’
⇢
Check the ‘internal pattern.’
Enter ‘Service Mode.’
-
If you do not have Factory remote control
•
Power OFF
Info
MENU
Mute
Power On
If you have Factory remote control
•
INFO
Factory
Choose ‘SVC.’
3.
Choose ‘Test pattern.’
4.
Select the each pattern and then check all pattern is ok or not.
5.
Option
SubOptions
Debug
SVC
W/B Adjust
ADC Adjust
Advanced
Tuner Self Test
Shop Option
Test Pattern
Mstar Test Pattern
Pattern Status is
Change the
Test Pattern is made by the MSTAR IC
OK
Main Board
We guess front of MSTAR IC has problem.
NG
Panel and T-Con Board
We guess back of MSATR IC has problem.
4-2
4. Troubleshooting