Nokia N97 mini Service Schematics page 9

Front-end Module (FEM)
N7520
28 Icont_I
R7521
DAC102 9
Icont_h
C7535
5p6
GND
R7520
26 Vsw
C7526
470R
8p2
GND
L7500
6
ISO CPLD
21 Ant
RFout RFin
GND GND
1,8,12,15,20,22,23,25,29=GND
Antenna
Connector
(Low band)
GND GND GND GND
L7402
6 4 2
1n5H
IN 1
C7405
R7401
L7401
8p2
ANT 2 P3 P1
2n2H
R7404
X7400 0R
Z7400 P2
Antenna
Connector
GND
(High band)
C7402
0p7
R7403
0R
Customer Care / GTM / Competence Management
Confidential Copyright © 2009 NOKIA Only for training and service purposes
3
Vpd
2
Vgain
7
VC1
6
VC2
VC3 5
C7532 C7531 C7530 C7529
18p 18p 18p 18p
GND GND GND GND
18
RX1
17
RX2
27
TX_1
10
TX_2
19
TRX3
16
TRX2
TRX1 13
11
Vcc3
Vcc2 14
24
Vcc1
Z7540
L7540
Z7541
L7541
GND
WCDMA
Z7542
duplexer
GND
WCDMA
X7402
duplexer
GND
WCDMA
duplexer
X7401
RF shield can
TXFEM_Vpd
TXFEM_Vgain
TXFEM_VC1
TXFEM_VC2
TXFEM_VC3
RX filter
Z7521
L7521
C7534
100p
TX filter
GND GND GND GND
Z7523
GND
C7533
L7524
10n
15nH
GND GND GND GND
GND
T7520
GND
WCDMA
Power amplifier
TX filter
N7540
Z7543
33
Out1
9
In1
11
In2
29 Out2
GND GND GND GND
TX filter
25 Out3
Z7544
16
In3
21 Vbat
4
Vbat
20 GND GND
Icntrl3
14
Icntrl2
31
6
Vcc2_amp2 Icntrl1
23 Vcc2_amp3 C7541 C7542 C7543
1n0 1n0 1n0
2
Vcc_amp1
7 Vcc1_amp2
13
Vcc1_amp2
GND GND GND
18
Vcc1_amp3
1,3,5,8,10,12,15,17,19,22,24,
26,27,28,30,32,34,35=GND
C7566 C7565
10n 2u2
L7575
GND GND
C7528 C7546 C7545 120R/100MHz
2u2 10n 100p
C7561
10n
GND GND GND
L7560
1uH
L7561
C7521 C7520 C7578 C7577 C7576 C7563 C7562
28R/100MHz
18p 3p3 5p6 2u2 2u2 10u 10u
GND GND GND GND GND GND GND
R7508
0R
L7502 L7501
C7527 C7512 C7509 120R/100MHz 28R/100MHz C7560
10u
18p 2u2 2u2
GND GND GND GND
Version: 1.0 | 04.09.2009 | N97 mini/RM-555 | Board version: 2YS_11_2a | RF part | Page 9 (12)
VAPAUS RF IC
N7500
D2
WTRP2 G8 Vcp1
VDAC
B1
WTRP1
C2
DAC102
K1 Vcp
VCP
L7525
B4 E3
RFC2 VBEXT
R7921 B7
RFC6
C7
R7922
RFC7
K6
B8
R7923 VDIG
RFC8
R7924 D7
RFC9
C7507 C7501
10n 10n R7501
10R
A8
INP_900
GND GND
A9
INM_900
G7500
A6
INP_1800
A7
INM_1800 H8
OSCIN
VCTCXO (RF clock)
K2
RFC10
GND
R7510
TXC_in
C9
TXC
C7511
G11
G_OUTP 33p
F11
G_OUTM
R7506
L11
VBAT_BAT GND
47R C7508
10n
K4
RXOUT_PI
J4
RXOUT_NI
L5
GND
F10 RXOUT_PQ
P_OUTM
K5
RXOUT_NQ
J3
VREF_CM
J11
TXQ_0
G10
J10
P_OUTP
TXQ_180
H11
TXI_0
J9
TXI_180
A10
K11
INP_850 DAC_REF1
A11
INM_850
A3
INM_2150 L9
REFG
A2
INP_2150
A5
INM_1900 B2 J7550
MUX_OUT
A4
INP_1900
C7503 100n G2
K8
C1PI
REFP
G1
J8
C1NI
REFM
C7504 100n F2
C2PI L1
G3 HV
C2NI
C7514
10n
C10
W_OUTP_H
B10
GND
W_OUTN_H J6
SDATA
D11
J5
W_OUTN_H2
SCLK
E11 H5
W_OUTP_H2
XENA
H6
XRESET
C7505 100n
E4 E9
C1PQ VBAT_WTX
F4
C1NQ C7510
C7506 100n F3
C2PQ 18p
F1
C2NQ
D10
W_OUTN_L
GND
E10 G4
W_OUTM_L VBAT_RX
K9
C7547
VBAT_TX
18p
DAC201 H10
DAC201
DAC202 G9
GND
DAC202 H1
DAC203 VBAT_VCO
C3
DAC203
C7548
18p
A1,B5,B6,B9,B11,C1,C5,C6,C11,D1,D4,D5,
D6,D8,D9,E1,E2,E5,E6,E7,E8,F5,F6,F7,F8,F9,
G5,G6,H2,H3,H4,H7,H9,J1,J7,K7,K10,L2,
L3,L4,L6,L7,L8,L10 = GND
GND
DC-DC converter
N7560
A6 A1
CB_BOOST FB_DCDC
B4
CB_DCDC
L7563
C7568 10n
H4
VREG50S 120R/100MHz
L7562
IND_DCDC A7
B7 3u3H
IND_DCDC
C7569 C7575
10u
C5 18p
GND_BOOST
C6
GND_BOOST
C7
GND_BOOST
GND GND
C8
GND_BOOST
H5
CB_SMPS
G6 IND_SMPS
E4
XRESET
G7 IND_SMPS
F2
ENABLE
G8
IND_SMPS G1
SCLK
DATA F1
J7538
D5
IND_BOOST VHI H2
J7536
D6 IND_BOOST
G5
MUX2
J7537
D7 IND_BOOST
C4
MUX1
D8
IND_BOOST
VREG50BD A4
C7567
2u2
E5
OUT_BOOST
E6
OUT_BOOST
GND
E7
OUT_BOOST D2
VXO
E8
OUT_BOOST C7573
B8 10n
VBATT
A8
VBATT
C7574 GND R7560
D1
VREF
2u2
C7571 47k
100p
GND
F6
INPUT_SMPS
F7
INPUT_SMPS GND
H3
F8 VBB_VRX
INPUT_SMPS
A3
VBB_VRX1 C7572
2u2
A2,A5,B3,B5,B6,C3,D3,D4,E1,E2,E3,F3,F5,G3,G4,
H6,H7,H8 =GND
GND
VCP1 1
R7505
27R
R7500
VREFRF01 4
4k7
VXO 3
C7500 C7544
100n 2u2
GND GND AVILMAS
TXCCONV(2:0)
R7502
AFC 0
22k
C7502
10n
GND
1
TXC
10k
RAPIDO
RFCONV(11:0)
RXIP
4
RXIN
5
RXQP 6
RXQN 7
VREFCM
9
TXQP
2
TXQN 3
TXIP
0
TXIN
1
DAC_REF1 8
GPS
RFCLKEXT
RAPIDO
RFCLK_I(1:0)
RFCLKP 0
RFCLKN 1
RAPIDO
RFCTRL(8:0)
RFbusDat 7
RFbusClk 6
RFbusEna 8
TXresetX 0
AVILMAS
RFPWR(5:0)
C7570
2u2
GND
VXO
3
VREFRF01 4
VBATRF 0