Folder On/Off Trouble - LG CG225 Service Manual

4.13 Folder ON/OFF Trouble

Block Diagram
FOLDER SWITCH
Slide Operation
• There is a magnet to detect the Slide status, up or down.
• If a magnet is close to the Folder Switch(U304), the voltage at pin 2 of U304 goes to 0V.
Otherwise, 2V8_IO.
• This Folder signal is delivered to DBB, and the status of Folder is reported.
Slide Signal Status
• L : Down (Magnetized)
• H : Up (Not magnetized)
V_IO
R324
U304
6
VDD OUTPUT
5
C315
NC2
4
0.1u
GND2
7
PGND GND1
A3212EEH-T
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4. TROUBLE SHOOTING
47K
FOLDER
1
2
C316
NC1
0.1u
3