Function Mode Audio Abnormal - LG LM-M1040A Service Manual

FUNCTION MODE AUDIO ABNORMAL

TAPE
Check the signal input of IC601 pin28, 37
YES
Refer IC14 Troubleshooting
AUX
YES
Check the signal input of IC601, pin29, 36
YES
Check the signal input of JK600
CD
YES
Check the signal input of IC601 pin31, 34
YES
Check the signal of CN513 pin1, 3 or Refer to CD Troubleshooting
TUNER
YES
Check the signal input of IC601 pin30,35
YES
Refer to TUNERMODULE
MIC
YES
Check pin4 of PN401
YES
Refer to IC404 Troubleshooting
NO
Refer to IC601 troubleshooting
NO
Refer to IC601 troubleshooting
NO
Refer to IC601 troubleshooting
NO
Refer to IC601 troubleshooting
NO
Refer to IC601 troubleshooting
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