Daewoo DSC-3210E Service Manual page 18

Service manual SC-140
CORNER
EW TRAPEZ
3-4-8- AGC
- Adjust the antenna signal level at 70 dB V 2
- Tune a colour bar pattern.
- Find the " A GC" item in service mode.
- Adjust AGC volume ( RB10 ) to bring the cursor to central position : 32.