8. CIRCUIT DIAGRAM
- 120 -
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
C448
100P
18n
L403
SC400
1
SC_GD310
SDBTPTR3015
ANT400
2
3
1
4
DUMMY3
FEED
DUMMY2
DUMMY1
C450 1.5p
L401
18n
P
5.
1
5
1
4
C
4
1
4
CP
5.
1
C419
100n
C432
100n
C404
100n
C407
100n
C408
100n
UFL-R-SMT10
SW401
G1
ANT
G2
L
K
J
I
H
G
F
E
D
C
B
A
12
11
10
9
8
7
6
5
4
3
2
1
L
K
J
I
H
G
F
E
D
C
B
A
12
11
10
9
8
7
6
5
4
3
2
1
R400
100R
22K
R401
10K
R402
P
2.
2
0
0
4
C
220N
C401
L400
5.6NH
DNI
C402
2V85_VRF
C403
4.7N
1V5_VRF
FL400
LMSP43QA-538
24
23
2
2
7
1
8
1
5
1
6
1
4
1
8
3
1
7
2
1
0
1
6
9
5
1
2
4
3
0
2
9
1
2
1
11
ANT
1
X
R
_
0
5
8
M
S
G
2
X
R
_
0
5
8
M
S
G
1
C
V
2
C
V
1
X
R
_
0
0
9
M
S
G
2
X
R
_
0
0
9
M
S
G
D
D
V
1
X
R
_
0
0
8
1
M
S
G
1
D
N
G
2
X
R
_
0
0
8
1
M
S
G
2
D
N
G
3
D
N
G
1
X
R
_
0
0
9
1
M
S
G
4
D
N
G
2
X
R
_
0
0
9
1
M
S
G
5
D
N
G
6
D
N
G
X
T
_
0
0
9
1
_
0
0
8
1
M
S
G
7
D
N
G
X
T
_
0
0
9
_
0
5
8
M
S
G
8
D
N
G
NC1
NC2
1V5_VRF
820
R403
C418
100n
1000P
C405
C406
47N
2V85_VRF
10
R404
5.6n
L402
P
2.
2
9
0
4
C
C410
220N
1
1
4
CP
2.
2
C412
100P
2V85_VRF
100P
C413
27n
C424
0
0
4
U
2
7
2
6
B
M
P
20
19
18
17
16
15
14
13
1
2
2
1
2
2
1
1
3
2
0
1
4
2
9
5
2
8
6
2
7
7
2
6
8
2
5
9
2
4
0
3
3
1
3
2
2
3
1
33
34
35
36
37
38
39
40
41
GND4
GND3
VDDMIX2V8
VDDTX2V8
TX2
TX1
VDDTX1V5
VBIAS
FE2
A
1
E
F
X
A
8
V
2
S
AI
B
D
D
V
B
X
1
X
R
X
B
1
X
R
8
V
2
GI
D
D
D
V
X
2
X
R
A
D
2
X
R
K
L
C
2
D
N
G
5
V
1
GI
D
D
D
V
X
3
X
R
3
S
Y
S
F
3
X
R
2
S
Y
S
F
X
4
X
R
O
X
4
X
R
X
O
X
5
V
1
A
N
L
D
D
V
GND1
FSYS1
VDDXO2V8
EN
VDDVCO2V8
VCO_RC
VDDRX1V5
VDDRX2V8
1n
C416
P
2.
2
7
1
4
C
2V85_VRF
1V5_VRF
2V85_VRF
100P
C420
R405
100R
C421
1U
10K
R406
2
2
4
CP
2.
2
C423
DNI
5.6p
L404
5
2
4
CP
2.
2
10
R407
C426
DNI
100P
C427
R408
DNI
C428
100p
2V65_VBT
33n
C446
26MHZ
X400
NX3225SA
2
1
3
4
GND2
HOT2
HOT1
GND1
VBAT
C429
100P
2V85_VRF
1U
C430
0.01U
C431
U401
TQM7M5005H
SMPY0021101
15
7
8
6
11
14
5
9
4
13
3
10
2
12
1
DCS_PCS_IN
DCS_PCS_OUT
MODE_SELECT
GSM850_900_OUT
BS
BY_CAP1
VBATT
BY_CAP2
VRAMP
GND1
GND2
TX_EN
GND3
GSM850_900_IN
PGND
M400
EWFNLBAXX
9
2
6
2
4
2
3
2
7
2
2
2
5
2
7
1
1
2
42
41
40
39
2
31
38
20
3
12
4
7
5
9
1
8
10
33
11
15
16
32
6
4
1
4
3
3
1
5
3
8
2
7
3
6
3
0
3
9
1
8
1
N
L
A
T
X
P
L
A
T
X
K
L
C
_
P
E
E
L
S
T
T
A
B
V
V
3
R
D
D
V
F
T
D
D
V
T
B
G
E
R
V
OI
V
L
T
C
_
G
E
R
V
0
M
T
BT_ANT
FM_ANT
VAFL
VAFR
UART_CTS
RESET
UART_TX
UART_RTS
GND1
UART_RX
GND2
GND3
PCM_SYNC_I2S_WS
GND4
PCM_CLK_I2S_CLK
GND5
PCM_OUT_I2S_OUT
GND6
PCM_IN
PGND1
PGND2
PGND3
PGND4
0
OI
P
G
1
OI
P
G
2
OI
P
G
5
OI
P
G
6
OI
P
G
4
OI
P
G
_
A
5
OI
P
G
_
A
6
OI
P
G
_
A
7
OI
P
G
_
A
47P
C433
C434
27P
L405
3.9n
TP400
L406
100NH
TP401
C436
100P
DNI
C437
R409
DNI
0
1
4
RI
N
D
C438
1U
0
0
4
B
F
C439
100n
C440
33uF
1n
C441
C442
100P
1U
C443
U
1
4
4
4
C
C445
0.01U
2V62_VIO
2
0
4
P
T
VBAT
3
0
4
P
T
4
0
4
P
T
C435
1.5p
TP405
TP406
C447
1n
RF-800
SW400
G2
ANT
RF
G1
BT_LDO_EN
I2S1_CLK
T
NI
_
B
B
D
PA_LEVEL
UART_BT_RTS
UART_BT_CTS
CLK32K
UART_BT_TX
UART_BT_RX
PA_MODE
FE1
PA_BAND
TXON_PA
FE2
RF_EN
RF_DA
RF_CLK
RF_TEMP
I2S1_WA0
I2S1_TX
I2S1_RX
26MHZ_MCLK
QX
Q
IX
I
BT_RESETN
FM_SND_L
FM_SND_R
FM_ANT
LBAND_PAM_IN
LBAND_PAM_IN
HBAND_PAM_IN
HBAND_PAM_IN
BT_CLK
BT_CLK
T
NI
_
T
B
N
E
_
O
X
C
V
_
T
B
GSM 1800 / 1900_ RX
GSM850 / 900_RX
VC2 (FE2)
H
GSM900
BLUETOOTH_FM_MODULE(TAIYO YUDEN)
L
L
GSM 1800 / 1900_ TX
VC1 (FE1)
LMSP43QA-538(CMOS)
GSM850
PCS1900
DCS1800
TQM7M5005(5x5)
H
H
H
L
L
GSM850 / 900_TX
Содержание AR140B
Страница 1: ...Service Manual Model GD310 Internal Use Only Service Manual GD310 Date November 2009 Issue 1 0 ...
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