Trouble Shooting - Acer AL1732 Service Manual

TROUBLE SHOOTING

This chapter provides trouble shooting information forAL1732
1. No Power
No Power
Check Adaptor Power
Output =12V
OK
Check Scalar Module
Output
L4 =5V?
C19 = 3.3V ?
L 10 = 1.8V ?
OK
Check Power Button
From Scalar/B(CN8)
B /B(CN1)
NO
Change Adaptor
NO
Change Scalar Module Board
NO
Check Cable
Open ?
NO
Change Switch or Button Board
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Chapter 4
Yes
Change Cable