LG KP105 - Page 89

- 90 -
(1608, 10V)
SPEAKER & RECEIVER
D
3
2
RADIO
86 10
RADIO
4
B
NO RADIO
9
A
3
12
MAIN_MIC
RADIO_DETECT
27K
5
7
5
D
4
C
FOR RADIO
A
2.7K
2V8_VBUF
FOR RADIO
E
1
10KR224
VOUT2
_SHDN
4
22n
C207
U203 LM4809LD
9
BGND
BYPASS
23
GND
7
VDD
VIN1
1
VIN2
5
8
VOUT1
6
2.2K
R230
120KR228
DNI
R202
C209
0.1u
MIC201
OB4-15L42-C33L
1
2
R229 4.7
L201 22nH
0.1u
C208
R209
240K
1K
R218
15p
C217
C223
15p
R227
100ohm
R214
10K
47R217
NA
C224
2V8_VIO
R220 10K
C206
FM_RST
470n
0.1u
IN-
A3
VDD
VO+
B3
VO-
A1B1
_SHUTDOWN
C210
TPA6205A1ZQVRU204
BYPASS
C1
GND
B2
C2
IN+
C3
C205 0.1u
33nF
DG2735DN-T1-E3
U201
COM1
3
COM2
9
GND
6
4
IN1
8
IN2
NC1
5
7
NC2
2
NO1
10
NO2
1
V+
C216
EVL5M02200 VA202 EVL5M02200 VA201
R_S_P
22nHL202
TP201
R212
100K
C226
C213
39p
100ohm
R225
2V8_VIO
10u
220n
VBAT
2V8_VBUF
C225
R_S_N
2V8_VBUF
10KR222
2V8_VBUF
DNI
2.2K
R223
20KR207
R205
VMIC
39KR201
39p
C214
330K
R203
4.7K
R216
33nF
C220
100pC204
NA
C222
2V8_VBUF
0R204
RADIO_AMP_SHDN
C219
39p
C212 470n
R206 20K
120KR219
C211
2.2u
R221 4.7
100K
R210
15p
C227
C221
FM_INT
39p
R215
4.7K
0R208
1u
C202
1u
C203
_SEN
R213
27K
19 18
GPIO2 GPIO3
17
14
LOUT
NC1
1
20
NC2
PGND
21
9
RCLK
3
RFGND
13
ROUT
SCLK
7
SDIO
8
16
VA
11
VD
VIO
10
5
_RST
6
U202
SI4702-B16
2
FMIP
4
GND1 GND2
12
GND3
15
GPIO1
470nC215
100K
R226
0.1u
C201
R211 39K
SPK_P
MIC_P
MIC_N
RADIO_DETECT
HS_REC
HEADSET_RADIO_SEL
REC_NRADIO_SPK_L
SPK_AMP_EN
AUXOP_FMR
AUXOP_FML
HS_REC
RADIO_SPK_R
RADIO_SPK_L
REC_P
SPK_N
FM_32K
FM_SDA
FM_SCL
RADIO_SPK_R
RADIO_SPK_L
FM_ANT
RADIO_AMP_SHDN
FM_INT RADIO_AMP_SHDN
FM_RST
7. CIRCUIT DIAGRAM
LGE Internal Use Only
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Only for training and service purposes