Samsung RCD-750 Service Manual page 31

6-2-2. No audio
NO audio
Check waveform at
pin 10, 11, 14, 15 of
NIC9282
x Check DSP power supply x | |
| and pin short of NIC 9282 nee Bor Nee
Check waveform at
pin 19, 20 of
NIC 9282
O
Check waveform at x Check voltage at pin4 of x | Replacenicaz7o |
pin2, 9 of NIC9270
NIC 9282
oie
Replace NIC 9270