Wednesday, July 02, 2014

VCOM and FLICKER ADJUSTMENT - LG 42LA62xx _ LG42LA62xx-T LCD TV

LG 42LA62xx _ LG42LA62xx-T North/Latin America, Europe/Africa, Asia/Oceania (CHASSIS : LB33B)
HOW TO ADJUST V- COM, FLICKER _ No response to remote control.
No response in remote controller, key error, VCOM Adjustment (Flicker)
Remote controller operation checking method.
1, 2. Check IR cable condition between IR & Main board.
3. Check the St-by 3.5V on the terminal 4.
4. When checking the Pre-Amp when the power is in ON condition, it is normal when the Analog Tester needle moves slowly, and defective when it does not move at all.
VCOM Adjustment.  Sequence of the V-com adjustment.
Case
LCD module change.
T-Con board change.
Equipment
Service Remote controller.
Adjust sequence
* Press the ‘adj’ key
* Select V-COM
* As pushing the right or the left button on the remote controller, and find the V-COM value which is no or minimized the Flicker(If there is no flicker at default value, Press the exit key and finish the VCOM adjustment.)
Push the OK key to store the value. Then the message “Saving OK” is pop.
Press the exit key to finish V-COM adjustment.
Service (Adjust) Remote Control
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