Check White Balance value
Entry method
1. Press the ADJ button on the remote controller for adjustment.
2. Enter into White Balance of item 6.
3. After recording the R, G, B (GAIN, Cut) value of Color Temp (Cool/Medium/Warm), re-enter the value after replacing the MAIN BOARD.
CLICK ON THE PICTURES TO MAGNIFY
NO VIDEO/AUDIO
Power board voltage measuring method
Check DC24V, 12V, 3.5V
VIDEO ERROR - VIDEO LAG / STOP
TUNER input signal strength checking method
LCD-TV Version checking method
VERTICAL/HORIZONTAL BAR
Tuner checking part and procedure
Checking method:
1. Check the signal strength or check whether the screen is normal when the external device is connected.
2. After measuring each voltage from power supply, finally replace the MAIN BOARD.
COLOR ERROR
Adjustment Test pattern - ADJ Key
You can view 6 types of patterns using the ADJ Key
Checking item :
1.Defective pixel
2.Residualimage
3.MODULE error (ADD-BAR,SCAN BAR..)
4.Video error (Classification of MODULE or Main-B/D!)