Samsung MAX-445 - Audio Output Malfunction

Samsung Electronics 6-7
6-3-2 Audio Output Malfunction
Check voltage of NIC05 : 5V
No
Check waveform of NIC9282
pin no. 19,20
Check NIC9282 soldering
Check waveform of NIC9270
pin no. 9,12
Replace NIC9270
Check NIC9270 soldering
Yes
Replace NIC05
Check Amp
Malfunction of Audio Output
Yes
Yes
Yes
No
No
Troubleshooting