Monday, October 14, 2013

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.