Touch Sensor - LG D686 Service Manual

3.11 Touch Sensor

Change MT6329(U804)
LGE Internal Use Only
Reconnect Touch Module CN406
Touch Woks OK ?
No
Check Power
+1V8_VIO_MTKTP1) / +3V0_TOUCH_MTK (TP2)
Power is OK?
Check I2C Line & Signal Line (TP3 &TP4)
Touch Works OK?
Change Touch Module
Touch Works OK?
Change Main Board
- 102 -
3. TROUBLE SHOOTING
START
No
Yes
No
No
END
Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Yes
Yes
Yes