LG GS290 - Page 47

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LGE Internal Use Only Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
GS290 Operational Description Revision B
LG Electronics 49/136 LGE Property
Figure 18. Bluetooth / FM Radio Circuit Diagram
15pC382
BC7820
U301
6F 2C
F3
E3
D2
D3
F4
G5
G6
F5
C1
2A
3G 2F
1A 5A 6A
4A 3A
C3
E4
C6
E6
D5
D6
C5
B6
B5
D4
B1
G1
F1
E2
E1
4G
5E 2B
4C
4B
0
_
OI
P
1
_
OI
P
XU
A_
O
L
_TB
_
SSV
S
DAP_
GID
_S
S
V
K
L
C_
P
EEL
S
FM_RX
VSS_FM_AUDIO
FM_TX_P
FM_TX_N
BT_RF
PCM2_IN
PCM2_OUT
PCM2_SYNC
PCM2_CLK
UART_TX
UART_RTS
UART_CTS
UART_RX
SPI_PCM_SEL
PIO_4
H_NIG
E
RV
H
_
TU
OGER
V
TSR_E
LB
ANE_G
ER
V
G
ID_
D
D
V
XUA_D
D
V
O
I
DUA_
XR_
MF
_
D
DV
XT_M
F
_D
D
V
K
LC_SY
S
VSS_BT_RADIO_BAL
PCM1_IN_SPI_MOSI
PCM1_OUT_SPI_MISO
PCM1_SYNC_SPI_CS
PCM1_CLK_SPI_CLK
AUDIO_OUT_L
AUDIO_OUT_R
PIO_2_CLK_REQ_OUT
PIO_3_CLK_REQ_IN
O
ID
A
R_
AN
A_DDV
S
D
AP_DDV
ANT301
0
R302
I
N
D
0
2
3
R
ANT302
1.5p
C302
FL300
LFB212G45SG8A166
IN OUT
GND1 GND2
4
1
3P
T
1uC301
1uC303
R301
100K
100K
R305
100pC305
2.2u
C375
27p
C376
TP308
470
R343
TP313
TP311
C308
0.1u
2.2u
C309 C304
2.2u470n
C377
2.2u
C312
TP312
0.1u
C378
VBT_2V65
VBAT
C379
2.2u
GS290_C-CLIP
ANT303
1
FEED
100n
L318
EVLC18S02015
VA308
2
1
100n
R309
2
22p
C384
EDTY0008606
D300
270n
R304
1
330p
C368
680
R342
47n
C370
47nC371
VBT_2V65
100n
L319
270n
L313
330p
C369
0
81
1
4
3R
K
7
.4
33
3
R
D
1NS
2
8
1DB
5
1MLB
7
03BF
0081
U305
BGB707L7ESD
43
52
61
7
DNGP
VCC C_A
BIAS_OUT ON_OFF
RF_IN RF_OUT
330p
C366
CLK32K
CLK26M
FM_ANT
FM_ANT
FM_AUDIO_L
FM_AUDIO_R
I2S2_CLK
I2S2_SDO
I2S2_WS
BT_UART_RX
BT_CLK_REQ
N
_T
E
S
E
R_
T
B
BT_UART_TX
BT_PCM_CLK
BT_PCM_IN
BT_PCM_OUT
BT_PCM_SYNC
BT_UART_CTS
BT_UART_RTS
BT_HOST_WAKEUP
FM_LNA_CTRL