Acer B193R Manual de serviço - Página 30
Procurar online ou descarregar pdf Manual de serviço para Monitor Acer B193R. Acer B193R 48 páginas. Acer computer monitor user manual
Imprimir páginaTroubleshooting
This chapter provides troubleshooting information for the B193R:
1. No Power
Replace X201
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
OK
Measure
U301
Pin2=3.3V,
Pin2=1.8V
OK
Check if X201 oscillate
waveforms are normal
NG
OK
Replace U203
NG
U304
NG
30
Reinsert or check the
power section
Measure CN301
OK
Replace U301,U302
Chapter 4