LG H990ds - Hall IC Troubleshooting

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3. TROUBLE SHOOTING
3.18 Hall IC
When Quick Cover does not working, check Hall IC.
START
Magnet Component
is normal?
Yes
No
Yes
HALL IC
U8700 voltage High ?
C8700,TP1
No
END
Check Quick Cover
Magnet component
Check PM8994 voltage
+1V8_VREG_S4A
No
Replace HALL IC
(U8700)
Yes
when working
HALL _INT is LOW?
C8701,TP2
Circuit Diagram
TP2
TP1
Image
Checking Flow
TOP
TP2
TP1
90