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Chapter 3 Power Supply Trouble Shooting Guide
1. Introduction
This document is prepared to be a guide to repair trouble sets, some problems happen more
frequently are taken as example in it.
2. Problems
(a) no power
No power
Check power BD
Is CN701 pin11 =3.3v?
No
Is door SW press down?
Check lamp door
Yes
Yes
No
Change main BD
Change power BD
138
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