LG HB1004R Manual De Usuario

• Check the Fuse.

• Check the wiring diagram.

Is the 

Trans input power AC 115V?

Is the Trans output power

about AC 14V?

Is shorted the Trans. output?

Is output Voltage of IC01D

DC 12V?

Is output Voltage of IC02D

DC 5V?

Is the voltage No.40 of Micom

DC 5V?

Replace AC PCB Ass'y.

Is the 

connection between

AC and DC 

OK?

Is the reset circuit OK?

(The No.14 of

Micom is 5V.)

• Check the Fuse.

• Check the wiring diagram.

• Check the AC 

  PCB pattern.

• Replace the Trans.

• Replace D02D~D05D.
• Replace IC01D.

• Replace IC02D.

• Replace IC01A, C01A.

• Connect connector

  exactly.

• Check the PCB 

  pattern.

NO

NO

NO

NO

NO

NO

NO

YES

YES

YES

YES

YES

YES

YES

NO

YES

The unit does not operate.