Acer AL1716e Manuale di servizio - Pagina 32
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TROUBLE SHOOTING
This chapter provides trouble shooting information forAL1716
1. No Power
No Power
Check Power Board Output : CN1
Pin5,Pin6= +5V
O
12V
OK
Check Scalar Module
Output
EC1 =5V?
R175 = 3.3V ?
R176 = 2.5V ?
OK
Check Power Button
From Scalar/B(CN6)
NO
Change Power Board
NO
Change Scalar Module Board
NO
Check Cable
Open ?
NO
Change Switch or Button Board
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Chapter 4
Yes
Change Cable