Daewoo DM-K40 - 3.4. Analog Audio Troubleshooting

Daewoo DM-K40 Service Manual
Page 31
3.3.2. S-Video Trouble Service Flow Chart
Composite Video Trouble
NG
Check “SETUP” Item See “User Manual”
OK
NG
Check Y1 Output Signal Replace Y1 Parts
OK
NG
Check C122/C125 Signal Replace C122/C125 or U1
OK
NG
Replace C124/L7/R104
Check C124/C127 Signal
or C127/L8/R105
OK
NG
Check CN17 Signal Check External Set
OK
Replace CN17