LG GT350 - Touch Trouble; Touch Sensor

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Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
LG Electronics 83/115 LGE Property
4.11 Touch trouble`
Check Points
- Touch driver IC soldering`
- Touch connector Crack
2V65_VTOUCH
DNI
R404
1u
C418
TSC2007IYZGR
EUSY0337101
U402
D3B3
D2B2
D1B1
C3A3
C2A2
C1A1
AUX SDA
VDD_REF A1
X+ X-
PENIRQ- SCL
A0 GND
Y+ Y-
2V9_VAUX
0.1u
C419
VA404
VA405
VA406 VA407
DNI
R406
0
R417
TOUCH_INT
I2C1_SCL
I2C1_SDA
X-
Y-
X+
Y+
TOUCH SENSOR
AXK7L10227G
CN1
65
74
83
92
101
G1 G2
G3 G4
Y+
Y- X-
X+