NO VIDEO-NORMAL AUDIO_TROUBLESHOOTING_LG 32LN5100_Series LED LCD TVs

CHECK BACK-LIGHT ON WITH NAKED EYE

Power On à disjoint back case à check lighting from the module.

CLICK ON THE PICTURES TO ZOOM

Inverter B+ 24V measuring method.

• Measure DC Voltage  applying to Module from Power Board.
• Output Voltage from Power Board  à supply to Module.
• Check Pin contacting statement and connection statement.

Output Voltage is depend on inch

32 inch: 65.6~86.9V

39 inch: 117.3~142.2V

42 inch: 141.8~164.3V

Check White Balance value.

• Press the ADJ button on the remote controller for adjustment.
• Enter into W/B ADJUST
• After recording the R, G, B (GAIN, Offset) value of Color Temp (Cool/Medium/Warm), re-enter the value after replacing the MAIN BOARD.
• Confirm W/B ADJUST “OK” at In-start menu.