HP L1506 Service Manual page 32

15" LCD Color Monitor
White screen
Check Correspondent
component.
White screen
Measure Q703 base
is high level?
OK
Check Q704,Q706 are
broken or CN101 solder?
NG
OK
Replace PANEL
NG
X401 oscillate
waveform is normal
OK
Check reset circuit of
U401 is normal
OK
Replace U401
32
HP L1506
NG
Replace X401
NG
Check Correspondent
component.