LG -T315i Service Manual page 60

X+
Y+
X-
Y-
LGE Internal Use Only
TOUCH CONNECTOR
X+
X-
ZD306 ZD307
Touch & Haptic Driver Ckts
VBAT
C322
2.2u
U301
4
VDD VDDP
SDA
18
XP SCL
1
YP SADD
2
XN LEN
3
YN INTB
PWM/CLK
HEN
19
PGND VDP
VDN
GAIN
C321
0.1u
Figure 3-15-2 Touch &Vibrator Driver Block
ENZY0020702
CN304
1
2
3
4
ZD308 ZD309
1V8_VDD
1V8_VDD
C320
2.2u
9
7
8
6
17
TP309
5
TP310
10
16
14
12
R315
13
DNI
C338
10n
- 60 - Copyright © 011 LG Electronics. Inc. All right reserved.
3. TECHNICAL BRIEF
Y+
Y-
3. TECHNICAL BRIEF
R314
DNI
R313
4.7K
I2C_SDA
I2C_SCL
TOUCH_EN
TOUCH_INT
VIB_PWM
VB301
VIB_EN
1
2
C337
1u
Only for training and service purposes