LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
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3.10.2 Folder on/off operation
There is a magnet to detect the folder status, opened or closed.
If a magnet is close to the hall-effect switch, the voltage at pin1 of U402 goes to 0V.
This folder signal is delivered to GPIO5 of the Main CPU(U100) .
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Figure. Schematic of folder on/off detection circuit
Содержание KT610
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