HP 2009m

20" LCD Color Monitor HP 2009M&2009F
32
9.2 Trouble Shooting
9.2.1 Main Board
No power
No power
Press power key and look if the
picture is normal
Please reinsert and make sure the
AC of 100-240 is normal
Reinsert or check the
power section
X401 oscillate waveforms are
n
o
rm
a
l
Measure U703 PIN 2=1.8V
U701 PIN 2 = 3.3V
Measure CN701
Replace U401
Re
p
lace X401
OK
OK
OK
NG
NG
NG
NG
NG
Check power section
Replace U701/U703
OK