LG FA-3000AWE - Troubleshooting

TROUBLE SHOOTING
- 4 -
INSERT
POWER CORD
TURN ON
THE RED LED?
CHECK POWER PLUG
OR PNA301, PNB302
CONNECTOR
CHECK POWER CIRCUIT
OF MICOM
CHECK VOLTAGE OF C616
AND PIN14 OF IC700
CHECK THE CONNECTION OF
SPEAKER WIRE AND POWER
OF IC300, IC551
TURN POWER
KEY ON?
IS THE RELAY
ON?
OK
IS THERE
OUTPUT SOUND?
NO
NO
YES
YES
YES
YES
NO
NO