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NVVDD_AUDIO_1V8_F
NVVDD_SV3_1V8
C807
C808
C809
C810
4.7u
0.1u
1u
4.7u
VDD_1V8
NVVDD_SV3_1V8
FB800
VDD_1V8
NVVDD_AUDIO_1V8_F
FB801
LGE Internal Use Only
Audio CODEC WM8994
V_POWERRAIL
C800
C801
C802
4.7u
0.1u
1u
E9
D6
LDO1VDD
AGND1
D9
A1
AVDD1
SPKGND1
B2
C1
SPKVDD1
SPKGND2
C2
H9
SPKVDD2
CPGND
D8
E2
AVDD2
DGND
G9
F7
CPVDD
HP2GND
F1
DCVDD
D2
F3
C804
C805
C803
DBVDD
SDA
C806
D1
H1
LDO2VDD
SCLK
0.1u
4.7u
1u
0.1u
C811
G2
R802
100K
CS/ADDR
0.1u
A4
R803
100K
CIFMODE
D4
D3
TP800
AVDD1_3V0_EN
LDO1ENA
MCLK1
D5
E1
LDO2ENA
GPIO2/MCLK2
E6
A3
VREFC
SPKMODE
A5
C812
REFFGND
1u
A7
MICBIAS1
4.7u
TP801
C6
B6
C815
DMICCLCK
MICBIAS2
U800
C9
C816
VMIDC
4.7u
G1
TP803
DAP1_SCLK
BCLK1
E3
E7
TP804
DAP1_FS
LRCLK1
AGND2
TP805
E4
E8
DAP1_DOUT_1
DACDAT1
AGND3
TP806
F2
F9
ADCDAT1
HPOUT2N
DAP1_DIN_1
G3
F8
TP807
ADCLGCLK/GPIO1
HPOUT2P
AUDIO_INT_N
C818
0.1u
H2
G5
DAP2_SCLK
GPIO3/BCLK2
HPOUT1FB
F4
G6
GPIO4/LRCLK2
HPOUT1R
DAP2_FS
H3
H6
GPIO5/DACDAT2
HPOUT1L
DAP2_DOUT
E5
DAP2_DIN
GPIO7/ADCDAT2
C819
0.1u
G4
GPIO6/ADCDLRCLK2
F6
GPIO11/BCLK3
H5
C5
TP808
GPIO10/LRCLK3
LINEOUT1N
H4
B5
GPIO8/DACDAT3
LINEOUT1P
TP809
F5
C4
GPIO9/ADCDAT3
LINEOUT2N
TP812
B4
LINEOUT2P
A6
LINEOUTFB
C821
DNI
C823
1u
D7
EJ_MIC
IN1LN
C8
B1
IN1LP
SPKOUTLN
SPK_L-
A2
SPKOUTLP
SPK_L+
B9
IN2LN/DMICDAT1
B8
C3
IN2LP/VRXN
SPKOUTRN
SPK_R-
B3
SPKOUTRP
C825
1u
SPK_R+
B7
MIC_P
IN1RN
C7
G8
1N1RP
CPCA
MIC_N
H8
2.2u
C826
CPCB
A9
H7
IN2RN/DMICDAT2
CPVOUTN
A8
G7
IN2RP/VRXP
CPVOUTP
3.5pi Ear Jack Connector
VDD_3V3_ALWAYS
U803
Q800
4
1
VDD
VOUT
3
2
EAR_SENSE
CE
GND
HS_MIC_BIAS_EN
R846
C830
C831
R847
18K
C827
2.2K
10u
33p
R854
18K
2.2u
R848
0
HOOK_ADC
EJ_MIC
DSP (Voice Processor)
DAP1_DOUT_2
DAP1_DIN_2
DAP1_SCLK
VDD_1V8
TP818
C814
GEN2_I2C_SDA
GEN2_I2C_SCL
0.1u
1
VDDIO
2
AUDIO_MCLK1
ECHO_CAN_RST_N
RST#
AUDIO_MCLK2
3
VSS1
U801
4
DAP1_DIN_1
RXDC
MIC_BIAS
5
DAP1_DOUT_1
TXDC
TP820
6
ECHO_CAN_PWDN_N
PWDN#
R828
R816
20
100K
EAR_R
R832
R833
C822
EAR_L
R826
20
0.1u
TP821
100K
100K
AUDIO_MCLK1
Analog S/W
V_POWERRAIL
1
C817
1u
U802
VCC
NO2
2
NO1
COM2
SPK_L1-
3
SPK_L-
COM1
IN2
4
IN1
NC2
5
SPK_L2-
NC1
GND
VDD_1V8
R845
1M
M4D_DETECT
- 158 -
DAP1_FS
ECHO_I2C_SDA
C813
VDD_1V8
0.1u
18
SCL
ECHO_I2C_SCL
17
TP813
BP#
ECHO_CAN_BP_N
R815
100K
16
TEST
15
R819
100K
GPIO
VDD_1V2
R823
0
14
GPIO_I2C_SCL
VDDC
R824
0
GPIO_I2C_SDA
13
VDDP
C820
0.1u
VDD_3V3_ALWAYS
10
SPK_L1+
9
SPK_L+
8
7
SPK_L2+
6
D
Q801
G
SPK_CHANGE
S
7. CIRCUIT DIAGRAM
ECHO_I2C_SCL
ECHO_I2C_SDA
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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Troubleshooting
