Folder On/Off Trouble - LG C1100 Service Manual

4. Trouble Shooting

4.11 Folder on/off Trouble

Test Points
Circuit Diagram
U103
C111
VEXT
C112 FOLDER SWITCH
0.1u
PGND
7
GND2
4
NC2
5
VDD
6
A3212EEH
This component operate
when a magnet get close
here.
R142
Figure 4-23.
R142 51K
GND1
3
NC1
2
OUTPUT
1
U103
- 74 -
C112
The voltage at this point
goes from 2.8V to 0 V
when the folder is closed.
AD6525
C111
10p