LG LG-V909DW - RF GSM

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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
7. CIRCUIT DIAGRAM
5.6n C253
DNI
L204
K002
721R
8pC242
TP201
206LF
12 02 91
12
81
01
16
13
8 9 7 6
11
5
414
315
2
117
UMTS1
UMTS3
GSM1800/1900RX1
ANT GSM1800/1900RX2
GND1 GND2
GSM850RX1
3CV
2XR058MSG 1XT0091/0081MSG
1CV
XT009/058MSG
VDD
GND3
2CV
4DNG
VC4
2STMU
5DNG
DNGP
47u
C211
47p
C203
8p
C210
900MHz
FL202
5
2
6
4
3
1
1LTC
GND
3TROP
PORT2
1TROP
2LTC
DNI
C254
p081
812C
56pC232
3.3p
L213
DNI
C200
DNI
R211
1.8p
C201
1.8n
L210
1nC252
1.5nL214
DNI
C246
1.8n
L212
2140MHz
FL201
45
1
32
G1
O1
IN
G2 O2
DNI
R210
0.5p
C255
1p
C247
3.3nC248
DNI
C251
DNI
C250
p001
942C
SW201
G1
ANTG2
SW202
G1
ANTG2
100p
C209
DNI
L211
56pC233
8pC243
7.5n
L205
1KR206
DNI
C221
DNI
C220
p001
712C
SW200
4 2 1 3
1G
A C
2G
DNI
C214
33p
C222
DNI
C225
DNI
C215
DNI
C224
33p
C212
DNI
C219
39p
C227
33p
C231
15n
L203
1KR207
0.5p
L201
39p
C229
39p
C228
4.7nL200
39p
C226
+2.85V_VDD_RF_SW
100n
L202
4.7K
R129
+2.85V_MDM_SDCC1
1u
C230
U200
12
13
14
15
16
17
6
5
7
4
8
3
9
2
10
1
11
GND3
RFIN_HB
GND2
VBATT
RFOUT_LB
VEN_HB
RFIN_LB
VMODE0
GND1
VMODE1
VEN_LB
PGND
RFOUT_HB
GND6
GND5
VCC
GND4
100pC290
2.2nC216
942.5MHz
FL203
45
1
32
G1 O1
IN
G2 O2
K7.4
621R
3.3nC244
2.2p
C280
1nC256
22p
C281
100pC288
TP200
2.2u
C204
2.2u
C202
22p
C282
SW210
G1
ANT G2
9.1n
L251
9.1n
L250
1575.42MHz
FL204
4 5
1
3 2
G1
O1
IN
G2O2
33pC283
DNI
L252
1KR208
1KR209
39p
C900
DNI
C239
39p
C901
120K
R128
VBAT
ANT_SEL0
ANT_SEL1
ANT_SEL2
GSM_L_PAM_ON
RX_PCS_DCS_M
GSM_H_PAM_ON
DRX_2100_AWS_P
DRX_2100_AWS_M
DRX_W900_M
DRX_W900_p
TRX_W2100
RX_PCS_DCS_P
TX_GSM_LB
TX_GSM_HB
R0
R1
TRX_W900
DRX
_
W900
_
ON
GPS_M
RX_G850_M
RX_G850_P
DRX_2100_AWS_ON
ANT_SEL3
GPS_P
MS_DET
TRX_AWS
RF GSM
MODE
LOW
HIGH DCS/PCS
RF Diversity
GSM_PA_BAND
GSM
GPS LNA
Closed to MDM RX
4.7kohm
GPS JIG Port