Acer AL1732 AL1732 Service Guide - Page 29
Change U5 or Q9 or U9
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Page 29 highlights
3.No Audio No Audio Check Input source Or Change CN5 Change U5 or U9 No Check Input Signal CN5 OK ? OK No Check CN6 to Speaker OK ? Change Speaker or CN6(Cable) OK No Check U5(Pin6)Volume & U9 OK ? OK Check U5Pin1(Mute) & Q9 & U9 OK ? No Change U5 or Q9 or U9 - 29 -