LG Multiplex 72 - Page 17

3-13
NO Picture / SOUND OK
Check the Waveform of
IC501 Pin42,43,44
Check
FR901,FR401
Check
FBT T402
Check the
Heater Volt 6.0V~ 6.4V?
Check The Main
Power Board
OK
OK Not OK
Check/ Replace
IC501
Not OK
Check VCC of IC501
Pin 3.15.25,45,54
3.3V or 5V?
OK Not OK