Acer B203W manual No Power, Okng

Troubleshooting Chapter 4

This chapter provides troubleshooting information for the B203W:

1. No Power

No power

Press power key and look if the picture is normal

NG

Please reinsert and make sure the

AC of 100-240 is normal

OKNG

Measure U701 Pin2=3.3V,

NG

OK

Check if X401 oscillate waveforms are normal

NG

Replace X401 OK

Reinsert or check the power section

Measure CN701

OK

Replace U701

Replace U401

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