Tuesday, October 01, 2013

HOW TO TROUBLESHOOT - SAMSUNG LCD TV - LN23R71BAX - LN23R71WAX - LN26R71BAX - LN32R71BAX - LN40R71BAX


TROUBLESHOOTING
  • Check the various cable connections first.
  • Check to see if there is a burnt or damaged cable.
  • Check to see if there is a disconnected cable connection or a connection is too loose.
  • Check to see if the cables are connected according to the connection diagram.
  • Check the power input to the Main Board.
  • Check the voltage in and out between the SMPS < -- > Main Board, between the SMPS < -- >  INVERTER Board, and between the Main LVDS Boards.
CHECKPOINTS BY ERROR MODE
NO POWER
CLICK ON TABLES TO MAGNIFY 
No Video (Analog PC Signal)
No Video (HDMI - Digital Signal)

No Picture (Tuner DTV TS)
No Picture (Video_CVBS)
No Picture (S-VIDEO Y/C)
No Picture (Component1,2)
No Sound