Acer PF-801 Informacje Techniczne Pobierz pdf (Strona 34)

Troubleshooting

This chapter provides troubleshooting information for the AL1702W:

1. 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

Reinsert or check the

power section

Check if X401 oscillate

waveforms are normal

Measure U201 Pin 3=5V, U201 Pin

2=3.3V

Measure CN201 Pin3=5V?

Replace U401

lace X401

Replace U201

if the picture is normal

Replace U501

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Acer PF-801 Informacje Techniczne Strona 34