Dell E177FPc Service Manual page 47

17" LCD Color Monitor
If pin1 of IC201 has saw tooth wave
If Q206/Q207 waveforms are normal
Check C209, flyback circuit and lamp
OSD is unstable or not working
No backlight
NG
OK
Connect PIN15 of IC201 to the
ground If the picture is normal
NG
OK
NG
OK
Check C207 and IC201
Check ZD201/IC201 etc
47
NG
Dell E177FPc
Replace Q206/Q207