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
Содержание CML-523BM
Страница 1: ...LCD COLOR MONITOR Model CML 523BM http www lucoms com MAY 2004 Service Manual DAEWOO LUCOMS CO LTD...
Страница 26: ...25 BLOCK DIAGRAM...
Страница 27: ...SCHEMATIC DIAGRAM L523BM 26...
Страница 28: ...SCHEMATIC DIAGRAM 27...
Страница 29: ...SCHEMATIC DIAGRAM 28...
Страница 30: ...SCHEMATIC DIAGRAM 29...
Страница 31: ...SCHEMATIC DIAGRAM 30...
Страница 32: ...31 SCHEMATIC DIAGRAM...
Страница 33: ...32 SCHEMATIC DIAGRAM...
Страница 34: ...33 SCHEMATIC DIAGRAM...
Страница 35: ...34 PCB PATTERN...
Страница 36: ...35 PCB PATTERN...
Страница 37: ...36 PCB PATTERN...
Страница 38: ...37 PCB PATTERN...
Страница 46: ......
