Acer P203W

35
Troubleshooting
This chapter provides troubleshooting information for the P203W:
1. No Power
Chapter 4
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
Check if X201 oscillate
waveforms are normal
Measure U701 Pin2=3.3V, U702 Pin
2=1.8V
OK
OK
NG
NG
NG
Measure CN401 Pin3=5V?
Replace U202
Replace X
2
01
NG
Replace U701,U702
OK
OK