HCL HCMDLWBT21 - Page 32

15.6" LCD Color Monitor HCL HCMDLWBT21&HCMDLWBN21
32
White screen
White screen
X401 oscillate
waveform is normal
Check Q601 is broken or
CN601 solder?
Check Correspondent
component.
Replace PANEL
Check Correspondent
component.
Replace U501
OK
OK
OK
Replace X401
NG
NG
NG
NG
Check reset circuit of
U401 is normal
Measure Q602 base
is low level?
OK