18
TROUBLESHOOTING HINTS
2. Trouble in Power on
No
No
Yes
Yes
Is VCC5V line
normal(pin 8 of
CON1)?
Trouble in Scaler(U6)
Check the power board
(VCC5V of CON2).
Check on Scaler(U6).
Is the
Power LED toggled
between on and
off?
Off
No
Yes
On
Is the power
cord well
connected?
Refer to No video
or No raster.
Check if the power switch
is on position and
Connect the power
cord correctly.
Check the
waveform of pin 17
of -com(U4).
Trouble in
Power on
Yes
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: ......
