Samsung GT-i8910 Service Manual page 52

VIO
U709
1
VL
2
I|O_VL1
TOUCH_SCL
I|O_VCC1
3
I|O_VL2
TOUCH_SDA
I|O_VCC2
4
GND
VIO
U710
1
VL
I|O_VL1
2
I|O_VCC1
3
I|O_VL2
TOUCH_IN T
I|O_VCC2
4
GND
DISPLAY_SO
TP_LCD_READ
TOUCH_INT30
R718
TOUCH_RST
VTOUCH_3.0V
R721
R722
8
VCC
7
6
5
EN
VTOUCH_3.0V
8
VCC
7
6
TOUCH_INT30
5
EN
41 41 42 42
43 43 44 44
45 45 46 46
47 47 48 48
49 49 50 50
51 52
51 52
53 54
53 54
HEA700
F705
U808
74VCX1632245TBR
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TOUCH_SCL30
V_BAT
TOUCH_SDA30
TOUCH_EN
TOUCH_EN
R701
C703
HEA700
AXK8L54125SJ
F704
F700
C711
R700
R708
C728
TP_162
U704
9-15
Flow Chart of Troubleshooting
VTOUCH_3.0V
U704
4
1
VIN VOUT
3 2
EN GND
TOUCH_SCL30
TOUCH_SDA30
LCD_ID
R930
R929