Brand:
LG
Category: Home Theater System
Document Type: Parts/Service
Language: EN
Parts/Service for FA-3000AWE
Uploaded: Nov. 21, 2025, 7:13 p.m.
Refer to the troubleshooting flowcharts and tables for diagnostic procedures. The manual includes sections on ESD precautions, specifications, troubleshooting, IC voltage sheets, block diagrams, schematic diagrams, wiring diagrams, and printed circuit diagrams. Replacement parts list is also provided.
Troubleshooting and error codes
| SYMPTOM | CHECK POINT | ACTION |
|---|---|---|
| NO POWER | INSERT POWER CORD | CHECK POWER PLUG OR PNA301, PNB302 CONNECTOR |
| RED LED NOT ON | TURN ON THE RED LED? (YES) | CHECK POWER CIRCUIT OF MICOM |
| POWER KEY NOT ON | TURN POWER KEY ON? (YES) | CHECK VOLTAGE OF C616 AND PIN14 OF IC700 |
| RELAY NOT ON | IS THE RELAY ON? (YES) | CHECK THE CONNECTION OF SPEAKER WIRE AND POWER OF IC300, IC551 |
| NO OUTPUT SOUND | IS THERE OUTPUT SOUND? (YES) | OK |