Sunday, February 09, 2014

NO POWER - TROUBLESHOOTING - SAMSUNG LN40B550K - LN52B550K - LCD TV


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 or loose cable connection.
Check to see if the cables are connected according to the connection diagram.
Symptom:  The unit is dead. No led’s on the front cover light up.
Major checkpoints:  Check the following:
Check the internal cable connection status inside the unit.
Check the fuses of each part.
Check the output voltage of SMPS.