22
TROUBLESHOOTING HINTS
Is OSD normal?
Black
No
No
Yes
Is the contrast
at its maximum?
3. No raster
Set the contrast
up to Max.
Yes
Yes
Check If
the CON3 wafer is
well connected at
the LCD panel.
No
Yes
Is the output
of Scaler correct?
No
Yes
Is the input of
Scaler correct?
Replace the main board
(or replace Scaler).
5-1. No Video
Summary of Contents for CML-710M
Page 1: ...LCD COLOR MONITOR Model CML 710M http www lucoms com 2004 Service Manual DAEWOO LUCOMS CO LTD...
Page 25: ...24 BLOCK DIAGRAM...
Page 26: ...25 SCHEMATIC DIAGRAM L710M...
Page 27: ...26 SCHEMATIC DIAGRAM...
Page 28: ...SCHEMATIC DIAGRAM 27...
Page 29: ...SCHEMATIC DIAGRAM 28...
Page 30: ...SCHEMATIC DIAGRAM 29...
Page 31: ...SCHEMATIC DIAGRAM 30...
Page 32: ...31 PCB PATTERN...
Page 33: ...32 PCB PATTERN...
Page 34: ...33 PCB PATTERN...
Page 35: ...34 PCB PATTERN...
Page 43: ......
