Video Trouble Service Flow Chart - Daewoo DM-K40 Service Manual

3.3. Video Trouble Service Flow Chart

3.3.1. Composite Video Trouble Service Flow Chart
Composite Video Trouble
Check "SETUP" Item
OK
Check Y1 Output Signal
OK
Check C128/R106 Signal
OK
Check C130 Signal
OK
Check CN8 Pin Signal
NG
Replace CN8
Daewoo DM-K40 Service Manual
NG
NG
NG
NG
OK
Page 30
See "User Manual"
Replace Y1 Parts
Replace C128/U1/R106
Replace C130/L9
Check External Set