Samsung MM-26 - Malfunction of Audio output

6-6 Samsung Electronics
Troubleshooting
Check voltage of NIC05
Check waveform of NIC9282
No
Check NIC9282 soldring conditon
Check waveform of NIC9270
pins 9,12
Check waveform of NIC9270
Replace NIC05
Check Amp. operation
Malfunction of Audio output
pins 19,20
Replace NIC9270
Check NIC9270 soldering condition
Replace NIC9270
Check NIC9270 soldering condition
Yes
Yes
Yes
Yes
Yes
No
No
No
pins 2,19
6-3-2 Malfunction of Audio output