- 141 -
Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
ZD900
U900
1
8
2
7
3
6
4
5
GND
VOUT
VIO
VCC
SDA
LEDC
SCL
LEDA
ZD903
ZD902
ZD901
ZD904
FL900
P2
2
P4
4
P1
1
P3
3
6
P
6
5
P
5
VA902
VREG_CAM_IOVDD_1.8V
CN902
CN901
FL906
5
6
3
1
4
2
P2
P4
P1
P3
6
P
5
P
1800
FB903
1800
FB904
1n
3
1
9
C
KB900
2
1
VREG_TOUCH_3.0V
ZD905
VA901
CN904
28
27
29
26
30
25
31
24
32
23
33
22
34
21
35
20
36
19
37
18
38
17
39
16
40
15
41
14
42
13
43
12
44
11
45
10
46
9
47
8
48
7
49
6
50
5
51
4
52
3
53
2
54
1
R910
100
1n
2
1
9
C
1n
1
1
9
C
VA900
100n
L900
2
1
MIC900
P
G1
G2
O
u
1
6
1
9
C
1
2
6
0
9
D
Z
7
0
9
D
Z
DNI
C920
C909
1u
VREG_CAM_IOVDD_1.8V
VREG_TOUCH_3.0V
C915
1u
FL902
5
6
3
1
4
2
P2
P4
P1
P3
6
P
5
P
VREG_P3_2.85V
VREG_MSME_1.8V
8
1
9
Cu
7.
4
u
1.
0
9
1
9
C
R908
4.7
R909
10
1800
FB900
1
2
CN903
6
5
7
4
8
3
9
2
10
1
VREG_P3_2.85V
VREG_MSME_1.8V
VREG_CAM_IOVDD_1.8V
VREG_CAM_AVDD_2.8V
VREG_CAM_AF_2.8V
VREG_CAM_DVDD_1.8V
VREG_CAM_AVDD_2.8V
FL901
P1
1
P5
5
P2
2
P6
6
P3
3
P7
7
P4
4
P8
8
1
G
9
2
G
0
1
VREG_CAM_IOVDD_1.8V
J900
6
1
4
4D
5
M5-MIC
M4-DETECT
M4-L
M1-R
M6-GND
VREG_CAM_AF_2.8V
VREG_CAM_AVDD_2.8V
VREG_CAM_DVDD_1.8V
CN900
2
1
D901
D900
MIC_2N|GND
MIC_2N
GND
GND
RCV_P
RCV_P
VT_CSI_CLKP
VT_CSI_CLKP
VT_CSI_CLKN
VT_CSI_CLKN
VT_CSI_DP0
VT_CSI_DP0
VT_CSI_DN0
VT_CSI_DN0
5M_CSI_CLKP
5M_CSI_CLKP
5M_CSI_CLKN
5M_CSI_CLKN
5M_CSI_DP0
5M_CSI_DP0
5M_CSI_DN0
5M_CSI_DN0
5M_CSI_DP1
5M_CSI_DP1
5M_CSI_DN1
5M_CSI_DN1
MIC_2P
MIC_2P
RCV_N
RCV_N
TOUCH_INT
TOUCH_INT
TOUCH_I2C_SDA
TOUCH_I2C_SDA
TOUCH_I2C_SCL
TOUCH_I2C_SCL
FM_ANT
FM_ANT
EAR_SENSE_3.5PI
EAR_SENSE_3.5PI
CAM_MCLK
CAM_MCLK
CAM_MCLK
EAR_MIC_3.5PI
EAR_MIC_3.5PI
5M_RESET_N
5M_RESET_N
5M_VCM_PWDN
5M_VCM_PWDN
CAM_I2C_SCL
CAM_I2C_SCL
CAM_I2C_SCL
CAM_I2C_SDA
CAM_I2C_SDA
CAM_I2C_SDA
HSED_BIAS2
HSED_BIAS2
VT_RESET_N
VT_RESET_N
VT_PWDN
VT_PWDN
KPD_PWR_N
KPD_PWR_N
TOUCH_ID
TOUCH_ID
EAR_R
EAR_R
EAR_L
EAR_L
PROX_OUT
PROX_OUT
PROX_I2C_SDA
PROX_I2C_SDA
PROX_I2C_SCL
PROX_I2C_SCL
Proximity Sensor
3.5pi Ear Jack Connector
POWER & LOCK KEY
Timing : DVDD-->IOVDD-->AVDD(SIMULTANEOUSLY)
DVDD : TBD (1.2V or 1.8V)
AVDD : 2.6V - 2.9V
IOVDD : 1.7V - 3.0V
Timing : IOVDD-->AVDD-->DVDD(SIMULTANEOUSLY)
MAIN-TO-upperFPCB CONNECTOR
2nd MIC
VGA_MIPI(FPCB)
5M AF MIPI I/F
TOUCH CONNECTOR
RECEIVER