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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
4.8. Slide Up/Down Trouble Shooting
Slide Operation scheme is shown below.
4.8.1 Slide Operation(ON/OFF)
- There is a magnet to detect the slide status, opened or closed.
- If a magnet is down to the hall-effect switch(U501) the voltage at pin 1 of
U601 goes to 0V. Otherwise, 1.8V
- This Slide signal is delivered to DBB, and the status of Slide is reported.
zSlide Signal Status
L : Down (Magnetized) => Slide Down
H : Up (Not magnetized) => Slide Up
Slide Magnet
Hall Effect Switch
(U601)
High
Low
DBB(U101)
GPIO 18
(Y19 pin)
1.8 V
0 V
Block Diagram (Folder On/Off)
Slide_DET
21
6
C
p7
2
11
6C
u
1.
0
OI
V_
8
V1
4
X
V
N
1
30
2
5
U
B
1
06U
DN
G
3
2
C
N
TU
O
1
PGND
5
D
D
V
p7
2
0
16C
T
E
D
_EDI
L
S_
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