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VBAT
FB801
120
VSEL_2.1V
FB802 120
C824
4.7u
C827
10u
PDM_DL_DATA
PDM_UL_DATA
ABE_CLKS
PDM_CLK
PDM_FRAME
TP801
TP802
I2C1_SDA
I2C1_SCL
AUD_PWRON
SYS_nRESPWRON
SYS_nIRQ2
Open/ground switch input
EAR_SENSE
HOOK_ADC
Microphone input
AUD_CLK_IN
CLK32K_AUD
HS_MIC|HOOK_ADC
HOOK_ADC
HS_MIC
HS_MICBIAS
C1102
C1103
10u
470p
LGE Internal Use Only
VBAT
C802
C803
C804
C805
C806
0.1u
0.1u
2.2u
220n
2.2u
C818
100n
H11
VDDREGNCP
E10
NCPOUT1
E11
NCPOUT2
G9
NCPFB
G11
CFLYP
C828
F11
CFLYN
4.7u
K9
PDMDN
DOWNLINK
L8
PDMUP
UPLINK
L10
PDMCLK
K8
PDMCLKLB
H8
PDMFRAME
H6
SDA
G6
SCL
D8
AUDPWRON
J9
NRESPWRON
E8
U803
NAUDINT
D4
GPO1
B6
GPO2
B7
GPO3
L6
C837
4.7u
REFN
K6
REFP
L5
C838
4.7u
REF
G5
PLUGDET
E1
ACCONN
K2
ATEST
A1
DTEST1
L1
DTEST2
A11
DTEST3
L11
PROG
K7
MCLK
H7
CLK32K
D5
NC1
D6
NC2
D7
NC3
E5
NC4
R808
R809
EAR_L
R1101
2.2K
C1101
EAR_R
0.1u
EAR_SENSE
VSEL_1.8V
VSEL_2.1V
C807
C808
C809
C810
C811
100n
0.1u
0.1u
0.1u
0.1u
C812
470n
C813
0.1u
C814
2.2u
C815
0.47u
Rev_C
C819
0.1u
C821
2.2u
J5
DBIAS1
X
L4
DBIAS2
X
K3
2.1V
MBIAS
K1
MMICP
J2
MMICN
J4
SMICP
H4
SMICN
J3
HBIAS
2.1V
H1
HMICP
H2
HMICN
F2
AFMR
a stereo line-input
F1
AFML
B10
EARP
earpiece
C11
a differential class-AB driver
EARN
with 2 Vrms
capability to a typical 32Ohm
J11
HSL
stereo headphone
K11
HSR
G3
AUXLP
F3
AUXLN
G4
stereo line outputs
AUXRP
F4
AUXRN
A4
HFLP1
A5
HFLN1
stereo speaker
B9
HFRP1
filterless class-D outputs with 1.5W
B8
HFRN1
B4
HFLP2
B5
HFLN2
A9
HFRP2
A8
HFRN2
C1
VIBLP
D3
VIBLN
A2
VIBRP
B1
VIBRN
F5
PBKG1
F6
PBKG2
F7
PBKG3
E4
PBKG4
K10
PBKG5
0
AMIC_GND
HS_MIC_GND
0
R1112
1800
R1113
1800
C1116
R1111
1n
10K
VSEL_1.8V
ZD1105
470K
R1106
S
2
D
3
G
R1107
1
47K
Q1101
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Copyright © 011 LG Electronics. Inc. All right reserved.
3. TECHNICAL BRIEF
MICBIAS
C820
1u
MMIC_P
R804
0
C825
0.1u
C826
0.1u
AMIC_GND
C829
0.1u
SMIC_P
C832
0.1u
SMIC_N
R805
0
HS_MICBIAS
C833
0.1u
HS_MIC
C834
0.1u
C835
0.1u
FM_AUDIO_R
C836
0.1u
FM_AUDIO_L
AUD_RCV_P
AUD_RCV_N
EAR_L
EAR_R
FB803
120
AUD_SPK_P
FB804
120
AUD_SPK_N
C839
C840
1n
1n
C1117
1n
D1101
Only for training and service purposes
HS_MIC_GND
FB1101
FB1102
FB1103
FB1104
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