LG -P768 Service Manual page 154

3.5pi Ear Detecting Circuit
HS_MIC|HOOK_ADC
HOOK_ADC
FB1101 1800
HS_MIC
R1122 12 FB1104 1800
EAR_R
R1101
HS_MICBIAS FB1102 1800
R1121 12
EAR_L
2.2K
revB(39)->rev1.0(12)
C1103 C1101
470p 100n
VSEL_1.8V
ZD1105
R1112
220K
Q1101 KTJ6131V
S
R1111 1
EAR_SENSE D
3
10 G
2
EBK61952101
SUB MIC
Bottom Type
Must Check Schematic
FB1107 600
SMIC_P
BLM15AB601SN1
MICBIAS
ZD1106 ZD1107
C1104 C1105 C1116
4.7u 33p 27p
EDTY0012501
UCLAMP3311T
AMIC_GND
LGE Internal Use Only
J1100
MIC
FM_EAR_GND
GND
SPK_R
SPK_L
S/W_Detect
HG05_AB3550
EAG63292201
HYUPJIN
C1108 C1109
DNI DNI
REV.A => REV B // Side Contact 1. 1. 1. 1. 0.9
ZD1110 ZD1111
ZD1112 ZD1113
S/W EAR_SENSE
Close LOW
Open HIGH (detect)
UCLAMP3311T UCLAMP3311T
EDTY0012501 EDTY0012501
3 Pole 4 Pole
HOOL_ADC LOW HIGH
EAR_SENSE HIGH HIGH
I2C2 Switch
MIC1101
1
OUT
2 rev1.0 delete
G1
3
G2
4
VDD
5
G3
6
G4
SPU0410LR5H-QB
SUMY0010616
KNOWLES-ACOUSTICS
FM RADIO
FM_EAR_GND
1n C1106
FM_ANT
C1107
L1102
51n
22p
ZD1101
HS_MIC_GND
ESD9B5_0ST5G
FB1106
1800
Touch Connector
VSEL_1.8V
I2C2_SCL I2C2_SDA
CN1102
G1 G2
1 10
2 9
3 8
4 7
TOUCH_INT_N
5 6
G3 G4
51338-9873
ENBY0058601
Touch Conn 1.0T-> 1.5T Change
- 154 -
7. CIRCUIT DIAGRAM
RECEIVER
30mW, 106dB, 1207*2.7T, WideBand, 10mm Wire Type
CN1101
1
AUD_RCV_P
2
AUD_RCV_N
KR-1207-WB1P
EAB62491301
ZD1108 ZD1109
EDTY0012501
UCLAMP3311T
Touch LDO
VSEL_1.8V VSEL_1.8V
TOUCH_1.8V_LDO
rev1.0 delete
TOUCH_3.0V
TOUCH_RESET
R1109
TOUCH_Maker_ID
10
C1112 C1114
2.2u 1u
ESD9B5_0ST5G
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