Acer AL1916 AL1916e Service Guide - Page 32
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Chapter 4 TROUBLE SHOOTING This chapter provides trouble shooting information forAL1916 1. No Power No Power Check Power Board Output CN4 Pin 5,Pin6 =5V NO Change Adaptor Power Board OK Check Scalar Module Output R96 =5V? R99 = 3.3V ? R98 = 1.8V ? OK Check Power Button From Scalar/B(CN6) to Button/B(CN1) NO Change Scalar Module Board NO Check Cable Yes Open ? Change Cable NO Change Switch or Button Board - 32 -