HP L1710

17" LCD Color Monitor HP L1710
36
9.2 Trouble Shooting
9.2.1 Main Board
1、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
X201 oscillate waveforms are
normal
Measure U701 PIN 2=3.3V
Q403 = 3.3V
Measure CN401 PIN5/6=5V?
Replace U401
Replace X201
OK
OK
OK
NG
NG
NG
NG
Chec
TXD
Check power section
Replace U701/Q403
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