LG -E455 Service Manual page 154

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Melfas TOUCH
TP3(VA502)
I2C_SENSOR_SCL
I2C_SENSOR_SDA
TOUCH_INT
TP4(VA501)
MTK : TP2 (C524)
LGE Internal Use Only
+1V8_VIO_MTK
VA501
VA500
ECO
+1V8_VIO_MTK : TP1 (R523)
+3V0_TOUCH_
TP3(VA502)
+3V0_TOUCH_MTK
+1V8_VIO_MTK
6
5
7
4
8
3
9
2
10
1
VA502
CN506
TP4(VA501)
- 154 -
Copyright © 2013 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
+1V8_VIO_MTK : TP1 (R523)
+3V0_TOUCH_MTK : TP2
(C524)
TOUCH_ID
C524
1u
Only for training and service purposes

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