Acer AL1712 Servicehandleiding - Pagina 27
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Troubleshooting
This chapter provides trouble shooting information forAL1712
1. No Power
No Power
Check Power Module
Output CN1
Pin 1,2 = 12V ?
Pin 5 = 3.3V ?
Pin 6 = 3.3V ?
OK
Check Scalar Module
Output CN2
Pin 1,2 = 12V ?
Pin 5 = 3.3V ?
Pin 6 = 3.3V ?
OK
Check Power Button
From Scalar/B(CN4) to Button/B(CN1)
NO
Change Power Board
NO
Change Cable
From (Power module)CN1 to (Scalar/B)CN2
NO
Yes
Check Cable
Open ?
NO
Change Switch or Button Board
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Chapter 4
Change Cable