Acer AL1712 AL1712 Service Guide - Page 27

Troubleshooting This chapter provides trouble shooting information forAL1712 1. No Power No Power Chapter 4 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 Check Cable Yes Open ? Change Cable NO Change Switch or Button Board - 27 -