LG FFH-3765MVA Service Manual page 23

AM•COIL Troubleshooting
Check the "High" of L107 Pin 2
YES
Check the oscillation of L107 Pin 13
YES
Refer to "IC102 Troubleshooting"
Play
Is Vcc supplied to IC202 Pin 18 ?
YES
Check the signal output of IC202 Pin 5, 20
YES
Check the Muting circuit
NO
NO
NO
Refer to "Power Circuit Troubleshooting"
NO
Is Deck Mecha normal ?
- 2-17 -
Refer to "IC103 Troubleshooting"
Replace the L107
NO
YES
Replace the IC202
Replace the Deck
Mecha.