FUNCTION MODE Audio abnormal
TAPE
Check the signal input of IC400 pin 7, 28
Refer to ?IC201 Troubleshooting?
AUX
Chekc the signal input of IC400, pin 1, 6
Check the signal input of JK705
CD
Check the signal input of IC400 pin 3, 4
Check the signal of PN599 pin 6, 8 or
Refer to ?CD Troubleshooting?
Tuner
Check the signal input of IC400 pin 2, 5
Refer to ?IC102 Troubleshooting?
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