Acer AL2051W Informacje Techniczne Pobierz pdf (Strona 34)

Troubleshooting

This chapter provides troubleshooting information for the AL2051W:

1. Main board

No power

Cha

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 U703 PIN2=1.8V

U705 PIN2=3.3V

Reinsert or check the

Adapter/Inverter

section

X401 and X402 oscillate

waveforms are normal

Check CN201 or replace

U703, U705

Replace U401

Replace U402

Replace X401, X402

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Acer AL2051W Informacje Techniczne Strona 34