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8. CIRCUIT DIAGRAM
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
L
PIN 13
BLUETOOTH_CSR
L
L
DCS1800 RX
GSM850 RX
L
L
L
L
H
PCS1900 RX
VC1
GSM850_EGSM TX
VC2
DCS_PCS TX
L
EGSM900 RX
H
L
PIN 14
6
11
GSM1800_1900TX
GSM1900RX1
7
8
GSM1900RX2
1
GSM850RX1
GSM850RX2
2
GSM850_900TX
13
3
GSM900RX1
GSM900RX2
4
19
NC1
20
NC2
16
VC1
VC2
10
L
LMSP43NA-782
U502
17
ANT
GND1
9
GND2
12
14
GND3
GND4
15
GND5
18
5
GSM1800RX1
GSM1800RX2
5p
0.01u
C510
C525
C536
1000p
NA
TP508
L503
C543
1.5p
C548
DNI
1000p
C538
1
R511
1
R514
22nH
L515
R507
1.2nH
C518
3
BS
BY_CAP1
13
9
BY_CAP2
DCS_PCS_IN
1
12
DCS_PCS_OUT
GND1
14
11
GND2
8
GND3
GSM850_900_IN
7
GSM850_900_OUT
10
MODE_SELECT
2
PGND
15
6
TX_EN
VBATT
4
VRAMP
5
0.01u
R526
TQM7M5005
U501
NA
VBAT
100p
C523
15p
DNI
R506
15p
C541
B2
7
G1
4
6
G2
8
G3
1
NC
2
NC_DC
3
UB
C526
E2
VSS_RADIO_2
VSS_RADIO_3
F2
K2
XTAL_IN
XTAL_OUT
J2
F8
_RST
FL501
LFB212G45BA1A220
B1
5
VREGOUT_H
K5
VSS_ANA_1
C3
VSS_ANA_2
D3
VSS_ANA_3
E3
VSS_ANA_4
F3
VSS_ANA_5
G3
VSS_ANA_6
J3
VSS_CORE
B6
G9
VSS_DIG
VSS_FM1_1
B2
C1
VSS_FM1_2
VSS_FM2
B4
VSS_LO
H2
VSS_PADS
G8
C10
VSS_PIO
VSS_RADIO_1
D2
USB_DP
J7
VDD_ANA
K1
A6
VDD_AUDIO
VDD_CORE_1
A7
H10
VDD_CORE_2
A2
VDD_FM
VDD_LO
H1
G10
VDD_PADS
VDD_PIO
B10
VDD_RADIO_1
C2
G2
VDD_RADIO_2
VDD_USB
J6
H4
VREGENABLE_H
H3
VREGENABLE_L
VREGIN_H
J5
VREGIN_L
J1
RF_N
G1
F1
RF_P
D1
RX_N
RX_P
E1
H8
SPI_CLK
SPI_MISO
K9
SPI_MOSI
K10
SPI__CS
J9
SPKR_L
A5
A4
SPKR_R
C4
TEST_EN
UART_CTS
H6
UART_RTS
H5
UART_RX
K7
UART_TX
J8
USB_DN
K6
PCM_CLK
H9
PCM_IN
K8
H7
PCM_OUT
J10
PCM_SYNC
PIO_0
A10
A9
PIO_1
PIO_10
A8
C6
PIO_11
PIO_2
B8
B9
PIO_3
PIO_4
E9
E8
PIO_5
PIO_6
F9
F10
PIO_7
PIO_8
C5
B7
PIO_9
AIO_0
K4
J4
AIO_1
B5
AUX_DAC
AU_REF
A3
CLK_32K
C9
B3
FILT_EXT
FM_N
A1
B1
FM_P
C7
I2C_CLK
I2C_DATA
C8
K3
LO_REF
PCM2_CLK
D9
PCM2_IN
E10
PCM2_OUT
D8
PCM2_SYNC
D10
R503
U503
BLUECORE5-FM
100K
0.01u
C547
DNI
L504
C502
C504
DNI
0.01u
2.7p
NC1
NC2
C508
DNI
L502
ANT501
FEED
100p
AP504
C507
R516
4.7nH
2.2u
R519
1
C545
2.2u
C546
C527
0.1u
C511
5p
DNI
2.2
R523
C516
15p
FB502
C531
L509
NA
R525
DNI
AP505
R522
0
15p
C542
1
R509
1
R501
C539
820p
820p
C540
0.01u
VRF2_1V5_internal
C519
4.7nH
L514
C532
15p
C534
47n
C509
TP504
2.7p
TP501
1
R513
22n
0.068u
C529
C528
1
R502
TP507
C513
5.6p
27p
C521
1000p
C520
R512
1.2K
3.9nH
L507
15nH
L506
22u
27p
C506
C530
VRF2_1V5_internal
C535
220n
R521
0
R517
1.5nH
C544
R504
10K
DNI
L501
4.7nH
TP509
R524
47K
470nH
L512
5.6p
33p
C512
C501
L505
18nH
2.2p
C505
8.2p
DNI
C517
C515
AP501
AP503
TP502
TP503
8.2p
FB501
C514
VIO_2V62
1
R518
1.2nH
R515
L511 33nH
15p
C533
C524
820p
C522
DNI
C?
100p
DNI
C?
SW501 RF-600
ANT
G1
G2
RF
3.3nH
R510
6.2nH
L508
C503
120p
6.8p
R508
L510
1.8p
AP502
L513
DNI
VAUX_2V9
VIO_2V62
0.01u
C537
R520
560
VC2
VC1
PCS1900_RXP
PCS1900_RXN
DCS1800_RXN
DCS1800_RXP
GSM900_RXP
GSM900_RXN
GSM850_RXN
GSM850_RXP
TXLB
TXHB
PA_EN
PA_MODE
TX_RAMP
PA_BAND
RF_TEMP
BT_RESET
CLK32K
FM_ANT
26M_BT
BT_INT
FM_SND_L
FM_SND_R
UART_BT_RTS
UART_BT_CTS
UART_BT_TX
UART_BT_RX
I2S1_CLK
I2S1_TX
I2S1_RX
I2S1_WA0
BT_VCXO_EN
LGMC
4
5
F
8
F
9
10
11
12
A
2
1
6
3
4
5
6
1
5
6
9
10
3
A
B
6
7
E
E
G
H
C
D
B
C
D
E
F
G
H
C
D
E
F
G
H
G
H
1
2
3
4
5
7
8
9
10
7
8
9
10
11
12
1
2
11
12
2
3
4
7
8
11
12
C
D