
- 217 -
Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
C5027
10u
R5007
2.2K
C5015
100n
TP5002
C5025
100n
U5003
9
4
6
3
5
2
7
1
8
10
J_DET
J_MIC
VIO
MIC
DET
VDD
EN
S/E
JPOLE
GND
C5024
100n
C5023
33p
ZD5002
EDTY0012501
SEMTEC
H
EDTY0012501
ZD5001
C5012
0.1u
R5002
0
R5003
0
0
R5004
C5002
5.6n
5.6n
C5004
TP5001
L5001
82n
L5002
82n
U5001
WCD9310
EAN62155601
QUALCOMM
69
49
44
36
32
24
2
35
51
1
7
6
8
63
47
25
3
33
64
30
19
14
41
26
43
31
9
22
16
10
4
5
11
42
13
29
34
39
40
46
45
56
50
61
55
66
28
23
57
60
65
17
18
12
54
58
62
53
59
48
52
67
70
68
71
38
37
15
20
27
21
DMIC_D0
DMIC_CK0
DMIC_D1
DMIC_CK1
DMIC_D2/TX_I2S_SD1
DMIC_CK2/TX_I2S_SD2
MIC_BIAS1
MIC_BIAS4
MIC_BIAS2
MIC_BIAS3
MIC_IN3_P
MIC_IN3_M
MIC_IN4_P
MIC_IN4_M
MBHC_IN
MIC_IN2_P
MIC_IN2_M
HPH_LP
HPH_REF
HPH_RM
MICB_CFILT2
MICB_CFILT1
MICB_CFILT3
EARO_P
EARO_M
MIC_IN1_P
MIC_IN1_M
MIC_IN5_P
MIC_IN5_M
MIC_IN6_P
MIC_IN6_M
LINE_OUT1
LINE_OUT3
LINE_OUT2
LINE_OUT4
LINE_OUT5
GND2
MCLK
SB_CK/RX_I2S_SD1
SB_DATA/RX_I2S_SD2
RX_I2S_WS
RX_I2S_SCK
TX_I2S_WS
TX_I2S_SCK
I2C_SCL
I2C_SDA
INTR_OUT
VDD_DIG
VDD_TXADC/LDOL_CAP
MODE0
MODE1
VDDA_RX
VDDA_TX
VDD_IO
VDD_CP
RESET_N
LDOH_CAP
VDD_VBAT
CP_VPOS
CP_VNEG
CP_C1_M
CP_C1_P
CCOMP
GND_CCOMP
GND1
GND3
GND4
GND5
GND6
GND7
GND_TX
VREG_L25_1P225
VREG_S4_1P8
C5003
100n
R5001
0
C5019
33
p
MCE62253601
HJ-ICT-07Y
HYUPJIN
CN5002
1
33
p
C5020
R5008
DNI
C5018
1u
2.2u
C5014
VREG_S4_1P8
0.1u
C5011
2.2u
C5013
C5005
2.2u
DNI
C5008
2.2u
C5017
C5016
2.2u
VREG_S4_1P8
D5002
C5010
1u
DNI
C5009
120
FB5001
120
FB5002
DNI
R5005
1u
C5006
EAN62206801
U5002
TPA2028D1
TEXAS
C3
B1
C2
A3
C1
A2
B3
A1
B2
EN
PGND
IN+
SCL
OUT-
SDA
PVDD
OUT+
IN-
C5021
33
p
SPU0410HR5H-PB
KNOWLES-ACOUSTICS
MIC5001
SUMY0010609
4
3
2
1
P
G1
G2
O
HJ-ICT-07Y
MCE62253601
CN5001
HYUPJIN
1
C5007
0.1u
D5001
C5022
33
p
D5003
+VPWR
+VPWR
+VPWR
SLIMBUS1_CLK
SLIMBUS1_DATA
I2C_COMMON_SCL
I2C_COMMON_SDA
CODEC_MAD_INT_N
VREG_S4_1P8
WCD_RESET_N
MIC0_IN_N
MIC0_IN_N
EAR_MIC_JACK
SLIMBUS1_MCLK
AMP_EN_AMP
MIC1_IN_N
MIC1_IN_N
MIC1_IN_N
LINE_OUT_N
LINE_OUT_N
LINE_OUT_P
LINE_OUT_P
RCV+
RCV+
RCV-
RCV-
MIC1_BIAS
MIC1_BIAS
EJ_MIC_N
EJ_MIC_N
EJ_MIC_N
MIC1_IN_P
MIC1_IN_P
HPH_REF
HPH_REF
MIC0_BIAS
SPK_N
SPK_P
MIC0_IN_P
EAR_SENSE_JACK_OUT
HPH_AMP_OUT_R
EJ_MIC_P
EJ_MIC_P
EARPOL_DETECT_35D
EAR_MIC_EN_35D
EAR_KEY_INT_35D
EAR_SENSE_N_35D
VREG_L29_1P8
HPH_AMP_OUT_L
Rev.B
LDO deleted
(EAR_MIC_BIAS)
STAR Routing is needed
HOOK DETECT
3 /4 POLE
JACK DETECT
Mic Bias LDO must be located close at the Upper Connector
Rev.C Change
Rev.10
chip-coil for HAC
CLK : NC
DATA : GND
DNI
Rev.C Change
Rev.C Change
Rev.C Change
Rev.B
Rev.B Change
STAR Routing is needed
Receiver W to B
WCD9310
20110527 QCT Revised LINE_OUT2/3 PATH
EJ DETECT
EAR_KEY_INT
MIC
0V
HIGH
0.2V UPPERLOW(DEFAULT)
EAR_SENSE_N
JACK OUT
JACK IN
JACK
HIGH(DEFALUT)
LOW
4POLE
3POLE
JACK
LOW
J-POLE
HIGH
Mono Class-D Amplifier - (Default)
Need to check Input Impedance of AMP
Input Cut-off Frequency : 301 Hz
[Top type]
Sub MIC
Rev.B
Rev.B
Rev.B Change
Rev.B
Rev.B
Rev.B
Rev.B