LG TracFone LG840G Service Manual page 136

TOUCH CONNECTOR
FROM THE T3
VREG_MSME_1.8V
R702
1
4.7K
2
TOUCH_I2C_SCL
3
TOUCH_I2C_SDA
4
TOUCH_INT
5
D704 D705 D706
LGE Internal Use Only
VREG_TOUCH_2.8V
CN702
10
9
8
7
PIN 7 : DELETE = DON'T NEED VIO
6
TOUCH_ID
ENBY0051001
GB042-10S-H10-E3000
C704
1u
MAIN TO SUB FPCB
1800
EAR_L
12 R713
EAR_SENSE_3.5PI
1800
EAR_R
12 R712
1800
FB702
HS_MIC
SPK_OUT_M
SPK_OUT_P
MICROSD_CLK
D701
C702
15p
VOLUME SIDEKEY
FROM THE Q3H
VREG_MSME_1.8V
R700 R701
100K
100K
R704 100ohms
KEY_IN_VUP
R705 100ohms
KEY_IN_VDN
D708 D709
VREG_MICROSD_3.0V
82n
82n
VREG_MSMP_2.6V
CN703
1 30
FB701 2 29
R716
3 28
330K
4 27
5 26
MICROSD_DET_N
FB700 6 25
7 24
8 23
9 22
10 21
11 20
12 19
R714 10
13 18
14 17
D702
C703
D703 15 16
VA712
47p
C700
VA711
47p
ENBY0040701
GB042-30S-H10-E3000
- 136 -
POWER ON
FROM THE E0
R703
KPDPWR_N
100
D710
VOL_UP
3
2
VOL_DOWN
1
CN701
R717
VREG_MOT_3.0V
DNI
R718
+VPWR
0
D700
L700
L701
MOTOR_DRV
VA704 VA703
VREG_MICROSD_3.0V
MICROSD_DATA2
MICROSD_DATA3
MICROSD_CMD
MICROSD_DATA0
MICROSD_DATA1
Copyright © 2012 LG Electronics. Inc. All right reserved.
7. CIRCUIT DIAGRAM
CN700
2
1
Only for training and service purposes