Acer P193W - Chapter 4 Troubleshooting

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Troubleshooting
This chapter provides troubleshooting information for the P193W:
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 U301 Pin2=3.3V, U304 Pin
2=1.8V
OK
OK
NG
NG
NG
Measure CN301 Pin3=5V?
Replace U203
Replace X
2
01
NG
Replace U301,U304
OK
OK