Dell E177FPc - Page 45

17" LCD Color Monitor Dell E177FPc
45
White screen
Check R725 whether there is a voltage of 3.3V, when
the power is on
If Q704, Q706 is broken or
CN101 abnormally soldered
Replace Q704, Q706 or re-solder CN101
Replace PANEL or FPC cable
Replace U401
Check X401, C427,
C428
NG
NG
X401 oscillating waveform is
normal
OK
OK
NG
OK