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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
VDD_1V8
C814
0.1u
0.1u
C822
65
8
R
I
N
D
TP820
C825
1u
FB800
TP800
100K
R833
TP813
R832
100K
C820
0.1u
40
8
R
K0
1
R819
100K
R815
100K
Q800
2
1
3
D
G
S
50
8
R
K0
1
10
8
R
0
0.1u
C813
100K
R828
VDD_1V2
55
8
R
I
N
D
R854
18K
U802
6
5
7
4
8
3
9
2
10
1
VCC
NO2
NO1
COM2
COM1
IN2
IN1
NC2
NC1
GND
TP818
1u
C817
U801
42
02
6
11
4
8
3
9
01
5
16
17
18
91
15
14
13
21
32
1
7
12
22
52
2
RST#
D
N
G
P
KL
C
B
K
C
RL/
C
SF
KL
C
M
D
P
VDDIO
P
D
XT
P
S
S
V
VDDP
VDDC
GPIO
A
D
S
SCL
BP#
TEST
TXDC
KL
C
M
1
D
P
C
V
VSS1
AT
A
D
M
D
P
RXDC
2
S
S
V
PWDN#
2
D
P
C
V
P
D
X
R
VDD_3V3_ALWAYS
C808
0.1u
0.1u
C811
0.1u
C801
0.1u
C806
C805
0.1u
R802
100K
0.1u
C818
20
R826
20
R816
TP801
1u
C809
R803
100K
4.7u
C800
0.1u
C819
1u
C823
C804
1u
C802
1u
NVVDD_AUDIO_1V8_F
VDD_1V8
4.7u
C815
C816
4.7u
2.2u
C826
u2.
2
82
8
C
u2.
2
92
8
C
4.7u
C810
4.7u
C803
V_POWERRAIL
4.7u
C807
NVVDD_SV3_1V8
NVVDD_AUDIO_1V8_F
U800
G7
H7
H8
G8
B3
C3
A2
B1
A6
B4
C4
B5
C5
H6
G6
G5
F8
F9
E8
E7
C9
B6
A7
A5
A3
E1
D3
A4
G2
H1
F3
F7
E2
H9
C1
A1
D6
A8
A9
B7
B8
B9
C8
D7
F5
H4
H5
F6
G4
E5
H3
F4
H2
G3
F2
E4
E3
G1
C6
E6
D5
D4
D1
D2
F1
G9
D8
C2
B2
D9
E9
LDO1VDD
AVDD1
SPKVDD1
SPKVDD2
AVDD2
CPVDD
DCVDD
DBVDD
LDO2VDD
LDO1ENA
LDO2ENA
VREFC
DMICCLCK
BCLK1
LRCLK1
DACDAT1
ADCDAT1
ADCLGCLK/GPIO1
GPIO3/BCLK2
GPIO4/LRCLK2
GPIO5/DACDAT2
GPIO7/ADCDAT2
GPIO6/ADCDLRCLK2
GPIO11/BCLK3
GPIO10/LRCLK3
GPIO8/DACDAT3
GPIO9/ADCDAT3
IN1LN
IN1LP
IN2LN/DMICDAT1
IN2LP/VRXN
IN1RN
1N1RP
C7
IN2RN/DMICDAT2
IN2RP/VRXP
AGND1
SPKGND1
SPKGND2
CPGND
DGND
HP2GND
SDA
SCLK
CS/ADDR
CIFMODE
MCLK1
GPIO2/MCLK2
SPKMODE
REFFGND
MICBIAS1
MICBIAS2
VMIDC
AGND2
AGND3
HPOUT2N
HPOUT2P
HPOUT1FB
HPOUT1R
HPOUT1L
LINEOUT1N
LINEOUT1P
LINEOUT2N
LINEOUT2P
LINEOUTFB
SPKOUTLN
SPKOUTLP
SPKOUTRN
SPKOUTRP
CPCA
CPCB
CPVOUTN
CPVOUTP
VDD_1V8
FB801
NVVDD_SV3_1V8
C821
DNI
R848
0
TP809
TP803
U803
5
3
2
4
1
VOUT
VDD
GND
CE
D
N
G
P
TP812
TP808
VDD_3V3_ALWAYS
TP804
TP805
TP806
81
8
R
K0
74
C827
2.2u
C812
1u
TP807
41
8
R
K2.
2
0
R823
R824
0
C831
33p
R846
2.2K
VDD_1V8
R845
1M
TP821
C830
10u
R847
18K
71
8
R
K2.
2
VDD_1V8
Q801
D
G
S
V_POWERRAIL
GEN2_I2C_SDA
GEN2_I2C_SCL
DAP1_SCLK
DAP1_SCLK
DAP1_FS
DAP1_FS
DAP1_DOUT_2
DAP2_SCLK
DAP2_FS
AUDIO_INT_N
AUDIO_MCLK2
AVDD1_3V0_EN
AUDIO_MCLK1
AUDIO_MCLK1
EAR_R
EAR_L
EJ_MIC
EJ_MIC
MIC_BIAS
SPK_L2-
SPK_R+
SPK_R-
MIC_P
SPK_L1-
SPK_L+
SPK_L+
SPK_CHANGE
SPK_L-
SPK_L-
ECHO_CAN_RST_N
DAP1_DOUT_1
DAP1_DOUT_1
DAP1_DIN_1
DAP1_DIN_1
ECHO_CAN_PWDN_N
ECHO_CAN_BP_N
EAR_SENSE
HOOK_ADC
DAP2_DOUT
DAP2_DIN
M4D_DETECT
MIC_N
ECHO_I2C_SCL
ECHO_I2C_SCL
ECHO_I2C_SDA
ECHO_I2C_SDA
GPIO_I2C_SCL
GPIO_I2C_SDA
HS_MIC_BIAS_EN
DAP1_DIN_2
Analog S/W
DSP (Voice Processor)
Audio CODEC WM8994
3.5pi Ear Jack Connector