Rf Transceiver (Rm-915), Gps - Nokia LUMIA 520 Service Schematics
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Lumia 520 RM-915 (LTA/CAN)
FRONTEND_CTRL[35-0]
N7502
U//U
B1
APT_EN 11
EN
R7513
47k
C7531
100p
R7512
A1
APT_VCON
TX_AGC_ADJ
VCON
1k
C7527
4n7
C2
FB
L7528
B3
SW
C7529
C7530
0u47H
4u7
100n
L7529
C3
PVIN
60R/100MHz
C7528
A2,A3,B2,C1=GND
4u7
6 (9) | RF Transceiver (RM-915), GPS
FRONTEND_CTRL[35-0]
VBATTERY
L7527
28R/100MHz
21
C7519
C7520
C7537
C7536
1u5-2u2
10n
56p
27p
33
PA_ON2_HB_EN
10
PA_ON0_LB_EN
12
PA_ON3_MODE
C7509
C7510
C7513
100p
100p
100p
9
TX_MB4
R7514
0R
4
TX_LB2
10
8
7
TX_MB2
5
TX_LB4
R7517
0R
11
VSMPS
22
C7534
C7501
C7515
C7514
1u5-2u2
10n
10n
1u5-2u2
7,12,13,15,16,18,20,23,25,27,28,29,31,32,33=GND
VPH_PWR
C7502
C7521
1u5-2u2
1u5-2u2
R7506
8
TX_MB3
C7506
12p
13
PA_ON6_B2_EN
0R
L7510
18nH
C7505
100p
R7501
2
PDET_IN
C7500
33p
68R
R7503
R7502
100R
100R
TX_RF[15-0]
3
ANT_SEL0
1
4
ANT_SEL1
20
5
ANT_SEL2
19
6
ANT_SEL3
18
C7522
C7523
C7524
C7525
22p
22p
22p
22p
N7501
L7537
3n3H
19
9
GSM_HB_RF_OUT
VCC_GSM
17
10
GSM_LB_RF_OUT
R7511
0R
14
CPL_RF_IN
3
HB_EN
9
LB_EN
R7508
6
MODE
49R9
26
WCDMA_HB_RF_OUT
1
WCDMA_HB_RF_IN
GSM_LB_RF_IN
2
GSM_HB_RF_IN
WCDMA_LB_RF_IN
24
WCDMA_LB_RF_OUT
5
VCC_WCDMA
VMODE1
8
4
VBAT
VMODE0
30
CPL_RF_OUT
N7500
10
C7512
C7511
C7504
C7503
VCC2
8
100p
100p
100p
100p
ISO
1
VCC1
3
VBP
4
VMODE
Band II WCDMA
9
RFOut
2
RFIn
5
VEN
6
CPL
7,11=GND
2
PDET_IN
101
PDET_IN
4
TX_LB2
132
TX_LB2
5
TX_LB4
133
TX_LB4
7
TX_MB2
119
TX_MB2
8
TX_MB3
112
TX_MB3
9
TX_MB4
95
TX_MB4
PRX_BB_IQ[3-0]
1
84
PRX_BB_IP
0
92
PRX_BB_IM
3
91
PRX_BB_QP
2
82
PRX_BB_QM
GNSS_BB_IQ[3-0]
0
56
GNSS_BB_IP
1
62
GNSS_BB_IM
2
70
GNSS_BB_QP
3
71
GNSS_BB_QM
TX_BB_IQ[3-0]
1
130
TX_BB_IP
0
138
TX_BB_IM
3
131
TX_BB_QP
2
139
TX_BB_QM
GP_DATA[4-0]
2
88
GP_DATA2
1
121
GP_DATA1
0
105
GP_DATA0
109
DAC_IREF
DAC_REF
80
SSBI_RF2
SSBI_PRX_DRX
89
SSBI_RF1
SSBI_TX_GNSS
RX_ON
45
RX_ON
100
RF_ON
RF_ON
R7651
C7676
120
XO_IN
XO_RF
100p
0R
51,67,83,97,108,111,127,136=VREG_L7_RF
25,26,28,31,37,40,42,53,55,65,66,76,85,98,116,117,118=VREG_L1_RF_CWS
1,6,9,19,20,21,22,27,29,32,33,34,35,38,39,41,46,47,49,52,58,59,64,68,73,74,75,77,81,94,99,102,104,106,107,110,113,115,122,123,124,125,128,129,134,135,137,142=GND
Lumia 520 RM-915 | Board: 4BA_06b | v1.0 | 12.03.2013 | Upknowledge
Nokia Internal Use only | Copyright © 2013 Nokia, Only for training and service purposes
Z7500
CTLA
R7760
VREG_L18_RFFE
L7705
CTLB
L7704
0.06pF
3n9H
15nH
CTLC
17
CTLD
VDD
C7526
100p
X7764
2
ANT
L7531
7
MAIN_ANT
1
COM
ANT
TxH
1n2H
TxL
L7532
C7532
39nH
1p0
Z7505
12
IN(F1)
TRx6
1842.5
2
IN(F2)
TRx2
13
TRx5
15
TRx1
5
TRx4
ANT
4
TRx3
L7512
3nH
Z7503
L7511
TX
DUPLEX
2n2H
FILTER
R7509
C7516
0R
0p5
ANT
L7517
6n8H
Z7504
L7518
TX
DUPLEX
FILTER
6n8H
PA_R1
L7706
C7518
C7538
0R
1p0
1p5
PA_R0
C7769
3n6H
Z7502
L7509
TX
DUPLEX
0n6H
FILTER
C7768
R7500
12nH
0R
Z7501
1
Bal
UnBal
Bal
PRX_RF[20-0]
N7650
61
PRX_LB2_INP
4
PRX_LB2_INP
54
PRX_LB2_INM
5
PRX_LB2_INM
48
PRX_LB3_INP
6
PRX_LB3_INP
43
PRX_LB3_INM
7
PRX_LB3_INM
36
PRX_MB1_INP
8
PRX_MB1_INP
30
PRX_MB1_INM
9
PRX_MB1_INM
23
PRX_MB2_INP
10
N7700
PRX_MB2_INP
17
PRX_MB2_INM
11
PRX_MB2_INM
8
PRX_MB3_INP
12
PRX_MB3_INP
16
PRX_MB3_INM
13
PRX_MB3_INM
5
SO
L7701
4
AI
4n7H
L7650
10
GNSS_INP
Z7650
6n2H
4 BAL
R7707
1
GNSS_RF
6
L7652
3
UNBAL
RFOUT
3n9H
BAL
0R
5
2
L7651
18
GNSS_INM
6n2H
60
RBIAS
7=GND
R7650
4k75
VREG_L4
87
VDD_DIG_1V8
C7655
VREG_L7_RF
1u
44
VDD_RF2_D_BB
C7604
C4210
C7673
C7675
C7674
C7672
C7671
C7670
C7669
100p
1n
3u9-4u7
100nF
100nF
100nF
100nF
100nF
100nF
24
VDD_RF1_G_LNA
C7668
C7667
C7666
C7665
C7664
C7663
C7662
C7661
C7660
100p
100nF
100nF
100nF
100nF
100nF
100nF
100nF
100nF
X7760
X7761
L7534
PRX_MB1_INM
9
2n7H
Out
L7533
L7530
Out
4n3H
8n2H
L7535
PRX_MB1_INP
8
2n7H
L7514
PRX_MB3_INM
13
2n2H
RX
L7515
L7513
RX
9n1H
3n6H
L7516
PRX_MB3_INP
12
2n2H
L7520
PRX_LB3_INP
6
7n5H
L7521
L7536
RX
RX
12nH
12nH
C7533
6p8
L7522
PRX_LB3_INM
7
7n5H
L7505
PRX_MB2_INP
10
1n8H
RX
L7507
L7508
RX
18nH
5n1H
L7506
PRX_MB2_INM
11
1n8H
L7500
PRX_LB2_INP
4
10nH
4
L7502
3
12nH
L7501
PRX_LB2_INM
5
10nH
X7767
VREG_L18_RFFE
R7772
0.06pF
1
V_GPS_LNA
L7703
C7704
VCC
2n2H
1p2
C7702
C7703
1n
22p
X7770-X7774
X7769
2
ANT
R7700
3
1
COM
RFIN
0R
L7700
10nH
FRONTEND_CTRL[35-0]
2
GPS_LNA_EN
7
PON
C7701
100p
VREG_L1_RF_CWS
C7659
C7658
C7657
C7656
C4211
100nF
100nF
100nF
3u9-4u7
1n
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