Slide Up/Down And Trouble Shooting - LG KE500 Service Manual

4.9 Slide Up/Down and Trouble Shooting

Slide Operation scheme is shown below.
VRIO
U101
EM-0781-T5
C103
1uF
4.9.1 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(U502) the voltage at pin 1 of U502 goes to 0V.
Otherwise, 1.8V
- This Slide signal is delivered to DBB, and the status of Slide is reported.
Slide Signal Status
SLIDE
C104
0.01u
L : Down (Magnetized) => Slide Down
H : Up (Not magnetized) => Slide Up
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4. TROUBLE SHOOTING
C103
U101
C104