EMachines E181H Technical Information download pdf (Page 33)

33

Troubleshooting

This chapter provides troubleshooting information for the E191W:

1. No Power

Cha

p

ter 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

Measure U404 PIN2=3.3V,

Reinsert or check the

power section

X401 oscillate waveforms are

normal

Check CN401, U404

OK

OK

NG

NG

NG

Replace U401

Replace X401

OK

NG

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