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Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
R1122
12
R1121
12
C1108
DNI
L1102
51n
22p
C1107
ZD1104
ESD9B5_0ST5G
KR-1207-WB1P
CN1101
EAB62491301
2
1
R1119
10K
UCLAMP3311T
EDTY0012501
ZD1108
ZD1107
ZD1106
EDTY0012501
UCLAMP3311T
C1116
27p
C1105
33p
C1104
4.7u
FB1107
BLM15AB601SN1
600
KNOWLES-ACOUSTICS
SUMY0010616
MIC1101
SPU0410LR5H-QB
6
5
4
3
2
1
OUT
G1
G2
VDD
G3
G4
ZD1109
1800
FB1106
VSEL_1.8V
R1101
2.2K
VSEL_1.8V
220K
R1112
Q1101 KTJ6131V
EBK61952101
1
3
2
G
D
S
ZD1105
1800
FB1101
ESD9B5_0ST5G
ZD1101
EAG63292201
HYUPJIN
J1100
HG05_AB3550
S/W_Detect
SPK_L
SPK_R
MIC
GND
1n
C1106
47K
R1107
10
R1111
100n
C1101
470p
C1103
ZD1113
UCLAMP3311T
EDTY0012501
ZD1112
1800
FB1102
FB1104
1800
ZD1111
UCLAMP3311T
EDTY0012501
ZD1110
C1109
DNI
1u
C1114
VSEL_1.8V
ZD1103
ZD1102
2.2u
C1112
10K
R1108
VSEL_1.8V
CN1102
ENBY0058601
51338-9873
6
5
7
4
8
3
9
2
10
1
G1
G2
G3
G4
R1109
10
I2C2_SCL I2C2_SDA
TOUCH_Maker_ID
SMIC_P
TOUCH_INT_N
EAR_L
EAR_R
HS_MIC
HS_MIC|HOOK_ADC
HOOK_ADC
HS_MICBIAS
EAR_SENSE
FM_ANT
AMIC_GND
HS_MIC_GND
TOUCH_RESET
TOUCH_3.0V
FM_EAR_GND
FM_EAR_GND
MICBIAS
AUD_RCV_P
AUD_RCV_N
FM RADIO
SUB MIC
Must Check Schematic
Bottom Type
30mW, 106dB, 1207*2.7T, WideBand, 10mm Wire Type
RECEIVER
HOOL_ADC
3 Pole
LOW
EAR_SENSE
HIGH
3.5pi Ear Detecting Circuit
4 Pole
HIGH
HIGH (detect)
Open
LOW
EAR_SENSE
S/W
Close
HIGH
REV.A => REV B // Side Contact 1. 1. 1. 1. 0.9
revB(39)->rev1.0(12)
rev1.0 delete
rev1.0 delete
Touch Conn 1.0T-> 1.5T Change
Touch Connector
I2C2 Switch
Touch LDO
TOUCH_1.8V_LDO