LG MLP-F8081CL - Page 57

Service Manual 57
Troubleshooting Guide
6) No heater operation performed.
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
Is the heating operating?
Is the Heat S/W of Main
PCB "ON"?
Heat S/W "ON"
Heater S/W "ON"
Replacement MICOM
Replacement IC02M
Replacement RY-Heater
Is the heater S/W of Main
PCB"ON"?
Is the DC 5V at 58 pin of
MICOM
Is the DC 12V at eack terminal?
(RY-Heater)
Is the
AC220V (AC 240 V) between
connector(HEATER) and CN-outunit
of
Main P.C.B
Check the heater wiring
Select the heating operation mode.