Acer X223HQ User Manual download pdf (Page 30)

30

Troubleshooting

This chapter provides troubleshooting information for the X213H:

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 X401 oscillate waveforms are

normal

Measure U703 Pin2=3.3V,

OK

OK

NG

NG

NG

Check U703, C706 and C707

Replace U401

Replace X401

NG

OK

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