BenQ MX613ST - Page 111

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Chapter 3 - Power 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
Ye s
No
Ye s
No
No power
Is CN701 pin11
=5V?
Check power BD
Change main BD
Is door switch press
down?
Check lamp door
Change power BD