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OPTION 1
HEADSET AMP
+2V8_MTK_VA
2
FB8501
1800
1
R8518
0
C8511
1u
R8506 DNI
C8512
R8505
0
1u
U8102
TPA6136A2YFF
A2
C8509
1u
HPVDD
A4
HPH_L
INL-
B4
INL+
C8510
1u
HPH_R
D4
INR-
C4
INR+
R8500
DNI
+1V8_MTK_VIO
D2
GAIN
D1
HI-Z
R8503
100K
C3
A1
C2
R8511
0
HS_GND
ABB_GND
R8512
DNI
AUDIO_SEL
LOW ( Shut down ), HIGH (Active ) ( 12/26 )
3.5pi Ear Jack Connector
HOOK_DETECT
R8106
1
2
1K
MIC_BIAS_2
R8109
FM_ANT
MIC_IN2_N
2.2K
HPH_AMP_R
C8111
EAR_SENSE_JACK
DNI
HPH_AMP_L
MIC_IN2_P
C8112
C8114
C8113
22n
22n
33p
MAIN GND
LGE Internal Use Only
C8501
2.2u
C8502
2.2u
B3
B1
GND
A3
HPH_AMP_L
OUTL
D3
HPH_AMP_R
OUTR
C8513
1u
B2
CPP
C1
-CPN
+1V8_MTK_VIO
EAR_SENSE_JACK
STATE
HIGH(DEFAULT)
UNMATING
LOW
MATING
L8101
0
6
M6-GND
FB8100
1
R8507
1
1800
M1-R
4D
47K
R8110
FB8101
1800
M4-DETECT
R8508
1
4
FB8102
1800
M4-L
5
FB8103
1800
M5-MIC
C8115
C8116
22n
22n
R8111
L8105
96n
DNI
5p
5p
5p
Close to 3.5pi ear-jack
R8515
0
FM_RX_IN_N
HS_GND
0
R8517
MAIN GND
SPK/RCV DUAL MODE
C8011
DNI
CN8100
FB8504
60
RCV_N
1
FB8505
60
2
RCV_P
EAB62688401
BRS-181031P08-P
330p
330p
C8012
C8013
Main MIC
MIC_BIAS_1
C8107
2.2u
J8100
EAG63070601
R8103
L8102
100n
MIC_IN1_P
KJA-PH-4-0176
L8103
100n
100
C8108
33p
R8104
MIC_IN1_N
100
VA8102
C8109
C8110
33p
33p
EDTY0012501
- 140 -
3-Axis sensor (K2DH)
SENSOR0_I2C_SDA
4
3
2
SENSOR0_I2C_SCL
1
ACCEL_INT
Motor
MIC8100
+3V0_MTK_VIBR
26
1
2
27
2 2 7
VA8108
EAB62291401
DNI_SEVY0005101
VA8103
Copyright © 2014 LG Electronics. Inc. All right reserved.
6. CIRCUIT DIAGRAM
+1V8_MTK_VIO
SDA/SDI/SDO
GND2
7
SDO/SA0
U8100
GND3
8
CS
K2DH
VDD
9
SCL/SPC
VDD_IO
10
C8100
C8125
0.1u
1u
L8112
3.3
VB8100
L8113
3.3
1
2
EAU62128001
DM-YK408
Only for training and service purposes
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