Repair Flow Chart - Philips 190B7 Service Manual

19" LCD Color Monitor

11. Repair Flow Chart

(1). No Power
Press power key and look if the
picture is normal
Please reinsert and make sure the
AC of 100-240 is normal
Measure U701 Pin2=3.3V,
X401 oscillate waveforms are
normal
No power
NG
NG
OK
U702 Pin2=1.8V?
NG
OK
NG
OK
Replace U401
47
Reinsert or check the
power section
Replace U701, U702
Replace X401
190B7