LG GB220 - Page 117

7. CIRCUIT DIAGRAM
- 118 -
LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
B
BLUETOOTH
RF part
(16V,K,X7R)
(10V,Z,Y5V)
7123 5
53
10
RX_BAND SWAPPED
1 4
(50V,J,NP0)
Changed From KMS512 080812 Jeno
9
7
A
A
C
D
(2012)
4
C
6
86
2
RX_BAND SWAPPED
E
A
D
C402 0.01u
PCM_CLK
C418
1000p
100K
R419
R420
0
C426
6.8p
DNI
R415
C423 1000p
C422
L407
1p
1nH
C427
DNI
R416
6.8p
SW400
GRS302-2S-H22-E3000
ENWY0006301
ANT
G1 G2
RF
PCM_RX
1
R414
AMAN802012LG19
ANT403
DUMMY1 DUMMY2
FEED
2.7p
C428
INPUT1
4
INPUT2
OUTPUT1
8
9
OUTPUT2
15K
R411
SFSB0002302
B9508FL402
2
C_GND1
C_GND2
3
C_GND3
5
10
C_GND4
GND1
6
7
GND2
1
22u
2.2nH
C413
L405
R408 110
13
RX3
RX4
14
4
TX_EN
VBATT
30
2
VLOGIC
VRAMP
3
BT_CTS
GND3
8 9
GND4
GND5
10
15
GND6
GND7
16
18
GND8
19
GND9
27
GSM_IN
31
PGND1
PGND2
32
33
PGND3
PGND4
34
35
PGND5
PGND6
36
11
RX1
RX2
12
ANT
17
5
BS1 BS2
6
29
DCS_PCS_IN
1
GND1
GND10
20 21
GND11 GND12
22
GND13
23
GND14
24
25
GND15
GND16
26
GND17
28
GND2
7
BT_TXD
U400
SKY77531
SMRH0005201
BT_RTS
PCM_SYNC
R413 0
R401
0
R404
VBAT
1
C429
R407
0
2.7p
R409
DNI
L401
10nH
33p
C417
1nH
L406
L404
C406 0.01u
2.2nH
1000p
C410
C415
1u
C405 2.2u
C412
1000p
3.3nH
L403
L408
NA
L402
3.3nH
1KR403
1V81_VDD
C420
DNI
2
C_GND1
C_GND2
3
C_GND3
5
10
C_GND4
GND1
6
7
GND2
1
INPUT1
4
INPUT2
OUTPUT1
8
9
OUTPUT2
2p
FL401 B9509
SFSB0002301
C419
C416
0.01u
R406 110
R400
0
R405 110
C414
10p
0.01u
DNI
C407
C404
1000p
PCM_TX
C424
C430
0.75p
DNI
C425
VAUX
100K
R418
L411
2.2nH
VDDPX
VDDRF
F1 C1
VDDTF
VREG
A1
VREGHV
A2
VSS1
C2 D2
VSS2 VSS3
F2
VSS4
D3 C6
VSS5
A7
VSS6 VSS7
G7
G2
XIN
XOUT
G3
1V81_VDD
TCXO_OR_OUT_GPIO_5
TM0
C4
F3
TM2
E8
UART_CTS_N
UART_RTS_N
D7
D8
UART_RXD
UART_TXD
C8
A3
VBAT
A5
VDDC1 VDDC2
B8 F8
VDDC3
VDDIF
B1 E1
VDDLNA
VDDO1
G5 A6
VDDO2 VDDO3
G8 G1
B3
B7
GPIO_7
LPO_IN
A4
PCM_CLK
F4
PCM_IN
F6
G6
PCM_OUT
F5
PCM_SYNC
B2
REG_EN
RES
G4
D1
RFP RST_N
B4
SCL
F7
E7
SDA
SPIM_CLK
A8
C7
SPIM_CS_N
TCXO_OR_IN_GPIO_6
E3
E6
BCM2070
U401
COEX_IN
B6
COEX_OUT0
E4 E5
COEX_OUT1
B5
GPIO_0
GPIO_1
C421
1p
1000p
SFCY0000901
LFB212G45SG8A166
FL400
GND1 GND2
IN OUT
C409
ANT401
15nH
L409
BT_RXD
L400
NA
3.9nH
1V81_VDD
L410
ANT400
C401 10p
C411
39p
100K
R417
ANT402
C403
2.2u
R402 110
C408
C400
1000p
FB400
0.01u
PCM_CLK
PCM_TX
PCM_RX
PCM_SYNC
BT_RTS
BT_CTS
BT_CLK
CLK32K
DBB_BT_INT
FSYS_EN
BT_DBB_INT
nBT_RESET
BT_RXD
BT_TXD
VLOGIC
GSM_OUT
BS2
TX_RAMP
DCS_PCS_OUT
RX12X
RX12
RX34X
RX34
BS1
TX_EN