4. TROUBLE SHOOTING
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Only for training and service purposes
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4.20 Compass sensor trouble
Check out the setting menu on the phone. If not, check Test points shown on the pictures.
Check AVDD_3.0V(TP1),
DVDD 1.8V (TP2)
No
START
Yes
Test OK?
Change The LCD
Work well?
Change The Compass IC
IS it OK?
Change The main board
Compass Test
Work well?
END
Yes
No
No
No