LG LG511C Service Manual page 48

LN510
TP1
C1017
1.5n
U1002
XM0830SM-BL0912
C1007
4p
1 7
GND1 VDD
C1008
47p
2 6
PORT1 GND3
C1009
4p
3 5
GND2 CTL
9
SLUG_GND
PATH V D D C T L
H L
Port1-Port2
H H
Port1-Port3
L1003
4.7n
+2.1V_RFRX1
LNA_OUT_C_LB
+2.1V_RFRX1
C1403 CDMA_MODE
100p
LNA_OUT_C_HB
AWS_MODE
LG Electronics Inc.
Circuit Diagram
DP1001
ACMD-7609_DNI
6 1
ANT RX
3
TX
2 9
G1
G6
4
8
G2 G5
5 7
G3 G4
+2.85V_TCXO
CDMA_MODE
PCS_TX
4
ANT CELL_TX
5 3
G_SLUG PCS_RX
6 2
CELL_RX
1
ACFM-7107
U1003
Quadplexer
TP2
L1403
15n
C1406
0.5p
R1403
0
L1405
8.2n
U1401
UPG2214TK_DNI
6 1
VCONT1
OUT1
5 2
IN GND
4 3
VCONT2 OUT2
L1404
DNI
1005
AWS CDMA Out1 Out2
L H O F F O N
L ON H OFF
Circuit Diagram
R1606
R1103
DNI
56
R1101
49.9
+/-1%
[Rx_Primary PART]:1201
L1209
6.8n
L1202 C1203
1.5n
100p
3
C1204
C1205
DNI
DNI 2
1005
1
1005
C D
L
H
[Rx LNA_OUT PART]:1401
F1401
SAFEB881MFM0F00
C1412
82p
C1409 4
OUT
C1414
1
IN
3 1.5p
OUT
100p
C1413
G1 G3
82p
2 5
F1403
SAFEB1G96FL0F00
L1408
1.8n
3
C1411
OUT
1
IN
33p
4
OUT
L1409
1.8n
G1 G2
2 5
L1406
DNI
1005
2 3
F1402
G1 OUT1
C1410
SAFEB2G14FB0F00_DNI
DNI
1 IN L1407
1005 DNI
OUT2
G2
1005
5 4
4 /168
Internal Use Only
PCS Rx
DCN Rx
C1107
PWR_DET_IN
200p
C1103 C1112
3.9p 68p
L1103 C1110
DNI DNI
1005 1005
C1208
100p
RX_IN_C_LB
R1201
0
C1211
CDMA_MODE
OUT2
VCONT2 100p
4
GND IN
5
AWS_MODE
OUT1
VCONT1
6
UPG2214TK_DNI
U1201
M A A W S O u t 1 O u t 2
H OFF ON
L ON OFF
L1412
MIX_INM_C_LB
4.7n
L1413
MIX_INP_C_LB
4.7n
33p
C1417
7
PORT2- PORT1+
33p
C1418
6
CTL2 CTL1
AWS_MODE
1005
5
PORT3+ PORT1-
DNI
C1415
XM0860SR-DL0801
U1402
1005
DNI
C1416
CDMA_MODE
Port1 - 3
Port1 - 2
G_SLUG
15
Dual PA
AWS PA
U1105
AWT6309R_DNI
8 1
VBATT
VCC
7 2
RF_OUT RF_IN
6 3
VMODE
GND2
5
4
GND1 VEN
G_DUMMY
9
L1204
3.3n
RX_IN_C_HB
C1420
47p
1
MIX_INP_C_HB
2
CDMA_MODE
C1421
47p
3
MIX_INM_C_HB
CDMA AWS
H L
L H