LG KG290 - Page 101

- 102 -
LGMC
B
D
C
3
5
JACK_DETECT
1 8
D
A
INSERT
MIC_PATH_SEL
(2.8V 150mA)
102
MIC
AD6721
H
AIT813G
RECEIVER
H
A
1
REMOVE
4
6
L
C
SIM CONNECTOR
u-SD CARD
E
ACOUSTIC & MIDI
2
7
H
A
L
SPEAKER
9
LG Electronics In
c.
5
L
LGIC(42)-A-5505-10:01
B
CLOSE TO EARJACK
100p
B
3
SPK_SEL
4
NA
C212
C216
C200
L201
1u
6
BGND
2
GND
5
NCSTBY
1
3
VIN VOUT
4
1800
BH28FB1WHFV
U200
100p
C213
C228 0.1u
10K
L202 1800
R205
J202
C1
1
C2
2
3
C3
C5
4
5
C6
6
C7
7
GND1
GND2
89
GND3
GND4
10
3K
R225
220n
C236
R230 33
R214
200K
R206
10K
2V8_VMEM
R236 0
1000p
C239
C219
R201 39K
2V85_VSIM
39p
C230
27p
C208
C218
0.47u
VA202
10u
NA
R231 100ohm
C231
39p
C238
NA
39p
C223
R221
1K
R212
R226
470K
33
C215
10u
C235 39p
VBAT
NC1
NC2
7
NO1
2
NO2
10
VCC
1
R235
15K
U210
NLAS5223BMNR2G
3
COM1
9
COM2
6
GND
IN1
4
IN2
8
5
1.5KR229
C217
100K
0.47u
C207
R209 10K
0
VA204
EVL5M02200
R202
R213
100K
R200 100K
2.2u
2V85_TF
C203
NC1
5
7
NC2
2
NO1
10
NO2
1
VCC
R228 0.1u
NLAS5223BMNR2G
U204
COM1
3
COM2
9
GND
6
4
IN1
8
IN2
C224
27p
0.1uC220
100K
R270
39p
C202
R227
2.2K
NA
R224
NA
VA200
2V8_VMEM
R210 0
C211 NA
39KR215
NA
C233
100ohmR232
NC1
5
7
NC2
2
NO1
10
NO2
1
VCC
EVL5M02200
VA203
NLAS5223BMNR2G
U202
COM1
3
COM2
9
GND
6
4
IN1
8
IN2
J200
CLK
5
CMD
3
DAT0
7
8
DAT1
1
DAT2
2
DAT3
9
GND1
10
GND2
11
GND3
GND4
12
VDD
4
VSS
6
39p
2V8_VMEM
2V5_VMIC
C234
10KR211
C205
1u
R234
2.2K
220n
VBAT
C209
10K
R207
10u
C226
1u
VBAT
C214
J201
C225
27p
NA
L200 1800
27p
C210
C232
R220
220K
10K
R203
1M
R216
VA201
NA
0R208
R233
1M
18p
C227
C222
39p
OB4-15L42-C33L
1
2
2V8_VMEM
1800L203
2V85_VSIM
2V85_TF
MIC200
BYPASS
2
GND
7
3
IN+
IN-
4
PGND
9
6
VDD
VO+
5
VO-
8
_SHUTDOWN
1
TPA6205A1DRBRU201
R21720
C206
4.7u
C221
C201
0.1u
10u
C204
C229
0.1u
18p
4.7uH
L204
GND
2
OUT
1
5
VCC
VIN+
3
4VIN- NCS2200SQ2T2G
U203
NA
C237
TF_DATA3
AUXOP_L
AUXOP_R
AUXOP_R_OUT
AUXOP_L_OUT
AUXOP_L_OUT
AUXOP_R_OUT
HEADSET_PATH_SEL
HEADSET_PATH_SEL
AMP_SHDN
ABB_P
SPK_P
SPK_N
ABB_N
JACK_DETECT
AUXIN
HOOK_DET
SPK_SEL
SPK_SEL
REC_N
REC_P
TF_DATA2
TF_CMD
TF_DATA0
SPK_P
SPK_N
SPK_RCV_N
SIM_RST
SIM_CLK
MIC_P
MIC_N
MIC_P
MIC_N
MIC_PATH_SEL
MIC_PATH_SEL
VINNORP
VINNORN
MULTI_MIC_P
MULTI_MIC_N
FM_ANT
AUXIP
SPK_RCV_P
TF_CLK
TF_DATA1
TFLASH_EN
SIM_DATA
7. CIRCUIT DIAGRAM
LGE Internal Use Only
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Only for training and service purposes