Rf Part - Nokia N900 Service Schematics

DAC102
Front-end Module (FEM)
N7520
28
Icont_I
R7521
9
Icont_h
C7535
39R
5p6
GND R7520
26 Vsw
C7526
470R
8p2
GND
L7500
6
ISO CPLD
21 Ant
RFout RFin
Cellular RF
RF coupler
test connector
GND GND
X7500
GND
4 3
14
Vcc2
24
Vcc1
1,8,12,15,20,22,23,25,29=GND
1
X7503
Cellular antenna
springs
X7504 X7501
1 1
GND GND
Customer Care / GTM / Competence Management
Confidential Copyright © 2009 NOKIA Only for training and service purposes
3
Vpd
2
Vgain
7
VC1
6
VC2
5
VC3
C7532 C7531 C7530 C7529
18p 18p 18p 18p
GND GND GND GND
18
RX1
RX2 17
27
TX_1
10
TX_2
19
TRX3
16
TRX2
TRX1 13
11
Vcc3
WCDMA
Z7545
duplexer
Band 1/4
ANT1
ANT2
WCDMA
BAND1_TX BAND4_TX
duplexer
Z7542
GND
RX filter
Z7521
Out(F1)
In(F1)
L7521
Out(F2) 15nH
In(F2)
C7534
100p
GND GND GND GND
Z7523
GND
850/900MHz
C7533
L7524
10n
15nH
GND GND GND GND
GND
T7520
GND
WCDMA
Power amplifier
TX filter
N7540
Z7543
1732.5/1950MHz
GND 9
In1
Out(B2)
In(B2)
11 In(B1)
In2 Out(B1)
In(B1)
GND GND GND GND TX filter
33
Out1
Z7544
29
Out2
880-915MHz
25
16
Out3
In3
21 Vbat
20 GND GND
4 Icntrl3
Vbat 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
18 GND GND GND
Vcc1_amp3
5,19,27 =GND
C7566
10n
L7575
GND
C7528 C7546 C7545 120R/100MHz
2u2 10n 100p
C7561
10n
GND GND GND
L7560
1uH
L7561
C7521 C7520 C7564 28R/100MHz C7563
18p 3p3 4u7 10u
GND GND GND GND
L7502 L7501
C7527 C7512 C7509 120R/100MHz 28R/100MHz
C7574
18p 2u2 2u2
2u2
GND GND GND GND
Version: 2.0 | 07.10.2009 | N900/RX-51 | Board version: 2JH_21a | RF Part | Page 13 (18)
VAPAUS RF IC
N7500
D2
G8
WTRP2
VDAC
B1
WTRP1
C2
DAC102
K1
VCP
L7525
TXFEM_Vpd
B4 E3
RFC2 VBEXT
TXFEM_Vgain B7
R7921
RFC6
TXFEM_VC1
R7922 C7
RFC7
TXFEM_VC2 K6
R7923 B8
RFC8 VDIG
TXFEM_VC3 R7924 D7
RFC9
C7507 C7501
10n
A8
INP_900
GND
A9
INM_900
A6
INP_1800
A7
INM_1800 H8
OSCIN
VCTCXO 38.4 MHz
K2
RFC10
TX filter
C9 TXC_in
TXC
C7511
F11
G_OUTM 33p
G11
G_OUTP
R7506
L11
GND
VBAT_BAT
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
A2
L9
INP_2150
REFG
A3
INM_2150
A5
INM_1900
B2
A4 J7550
MUX_OUT
INP_1900
C7503 100n G2
K8
C1PI
REFP
G1
J8
C1NI
C7504 100n F2 REFM
C2PI
L1
G3 HV
C2NI
C7514
10n
C10
GND
W_OUTP_H J6
SDATA
B10
W_OUTN_H J5
SCLK
D11
H5
W_OUTN_H2
XENA
E11 H6
W_OUTP_H2
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
A1,B5,B6,B9,B11,C1,C6,C11,D1,D9,E1,E2, 18p
F8,F9,H2,H3,H4,H7,H9,J1,J7,K7,K10,L2,L3,
L4,L6,L7,L8,L10 = GND
GND
DC-DC converter (Aura)
N7560
A1
FB_DCDC
A6
CB_BOOST B4
CB_DCDC
C7568 10n
L7562
H4
VREG50S IND_DCDC A7
C7565
B7
IND_DCDC
2u2 C7569
10u
GND
GND
H5
CB_SMPS
E4
XRESET
F2
G6 ENABLE
IND_SMPS
G1
G7 SCLK
IND_SMPS
G8 F1
IND_SMPS DATA
J7538
D5 H2
IND_BOOST VHI
J7536
D6
IND_BOOST G5
MUX2
D7 J7537
IND_BOOST
C7562 C4
MUX1
D8
IND_BOOST
10u
VREG50BD A4
C7567
GND
2u2
C5 GND_BOOST
C6
GND_BOOST
C7 GND
GND_BOOST
D2
VXO
C8
GND_BOOST
C7573
B8 10n
VBATT
A8 VBATT
E5 OUT_BOOST
GND
D1
E6 VREF
OUT_BOOST
E7
OUT_BOOST C7571
E8
OUT_BOOST 100p
F6 INPUT_SMPS
F7
INPUT_SMPS GND
C7560
H3
F8 VBB_VRX
INPUT_SMPS
10u
A3
VBB_VRX1 C7572
2u2
GND
A2,A5,B3,B5,B6,C3,D3,D4,E1,E2,E3,F3,F5,G3,G4,
H6,H7,H8 =GND
GND
VCP1 1
Vcp1
R7505
Vcp
27R
R7500
VREFRF01 4
4k7
VXO 3
C7500 C7544
10n R7501 100n 2u2
10R
GND GND GND
TXC_CONV(4:0)
G7500
GAZOO
R7502
AFC 0
C7502 22k
10n
GND GND
R7510
J7573 1
TXC
10k
RFCONV(20:0)
RAPUYAMA
RXIP 4
J7551
RXIN 5
J7553 RXQP 6
RXQN 7
VREFCM
9
TXQP 2
TXQN 3
TXIP
0
TXIN
1
DAC_REF1 8
GPS_REFCLK
GPS > GPS module
RFCLK(1:0)
RAPUYAMA
RFCLKP 0
RFCLKN 1
RFCTRL(11:0)
RAPUYAMA
7
J7571 RFbusDat
RFbusClk 6
J7570
RFbusEna 8
J7572
J7569 TXresetX 0
RFPWR(5:0)
GAZOO
L7563
120R/100MHz
C7575 C7570
18p 2u2
GND GND
VXO 3
R7560
VREFRF01 4
47k
VBATRF 0