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LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
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3.14.6 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 pin OUT of U600 goes to 0V. Otherwise,
2.6V. This folder signal is delivered to MSM6280 GPIO92.
FOLDER_DETECT
R601
100K
C600
0.1u
R600
62
G1
G2
OUT
VDD
A3212EELLT-T
U600
C690
NA
FOLDER_DETECT
VREG_MSMP_2.6V
Figure. Schematic of Folder ON/OFF detection circuit
Summary of Contents for CU405
Page 1: ...Date May 2007 Issue 1 0 Service Manual Model CU405 Service Manual CU405 Internal Use Only ...
Page 175: ...Note ...
Page 176: ...Note ...