Nokia 7250, 7250i Service Manual
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System Module
6FKHPDWLFV
+1+/-
+(/*$
Layouy requirement
D
C
B
A
C576
R542
L510
J521
J522
T501
Last references:
J520
C511
100p
9k1
R502
82p
C543
VCC
OUT
IT016
G500
VC
100p
C537
VPRE
P6
INM_LO
P7
P8
INP_LO
RXQ
P9
TXP
P11
OUT_BB1_I
C2_BB1_Q
P12
C1_BB1_Q
P13
C2_BB1_I
P14
VC_2
P2
P3
VC_1
TXI_0
P4
TXQ_180
P5
TXQ_0
M6
GND_PRE
GND_LO
M7
M8
VREF_RX
M9
GND_BB
N1
OSC_IN
C1_BB1_I
N14
GND_BUF
P1
P10
M1
GND_CP
TXA
M10
M11
RXI
IN_DCN2_I
M12
IN_DCN2_Q
M14
OSCBUF_REF
M3
TXI_180
M4
M5
M5
GNDBB_TX
K6
VLO
NC2
K7
K8
OUT_BB1_Q
VF_RX
K9
L1
OUT_CP
L12
VBB
L14
RB_EXT
GND_DIG
L3
VDIG
J3
J5
REFOUT
VCP
K1
K10
TXC
K12
GNDF_RX
VB_EXT
K14
K3
RFTEMP
K5
CM_DTOS_Q
H12
CP_DTOS_Q
CM_F_I
H14
H3
SDATA
DISEL
H5
SLE
J1
J10
NC1
CM_F_Q
J12
CP_F_Q
J14
G1
MODOUTM_G_TX
VANT_3
G10
G12
CP_DTOS_I
CP_F_I
G14
G3
RESET
SCLK
G5
H1
MODOUTP_G_TX
H10
E8
VPCTRL_P
VPCTRL_G
E9
F1
VANT_2
VP_D_SEL
F10
F12
CM_DTOS_I
NC3
F14
LNAB_G
F3
VANT_1
F5
VBIAS_G_TX
E1
E10
GND_LNA2
E12
GNDRF_RX
GND_LNA
E14
VPECTRL_FB
E3
E5
LNAB_P
E6
LNAB_D
VPECTRL3
E7
VPECTRL2
C6
C7
VPECTRL1
C8
VPGCTRL_FB
VTX_B_G
C9
D1
INM_G_TX
D12
VRF_RX
VB_DET
D14
D3
GNDRF_TX
INP_G_TX
C1
C10
VTXLO_G
VLNA
C11
LNA_P
C12
C14
INP_G_RX
C3
VRF_TX
C4
GNDRF_TX2
VTXLO_P
C5
OUTP_S_TX
A4
OUTM_S_TX
A5
A6
DET
OUTM_P_TX
A7
A8
OUTP_P_TX
A9
VPAB
MODOUTP_P_TX
B1
B14
INM_G_RX
A1
MODOUTM_P_TX
A10
VTX_B_P
INM_P_RX
A11
A12
INP_P_RX
INM_D_RX
A13
A14
INP_D_RX
OUTM_G_TX
A2
A3
OUTP_G_TX
270p
HLGA618A
N500
C550
L500
4n7H
R542
RESNET_2DB
436R
436R
11R6
R540
1k0
J523
C575
3p9
27p
R503
C531
4k7
C554
10n
5k6
R523
LDB15C101A3700
T500
1
2
3
4
5
10p
C574
not_assembled
C551
27p
R522
15k
220n
C540
10p
C501
J510
J511
R504
22k
C555
100n
R516
2x5k6
C520
4n7H
L501
56p
C533
56p
7
C523
3n9
3n9
4x470p
C545
C532
18p
56p
C573
26MHz
G501
TCO-9141H
VCONT
GND
O/P
+VCC
47p
C504
C536
2n2
C503
150p
R520
6k8
2x5k6
GND
600R/100MHz
L502
R517
C572
100p
Copyright (C) Nokia Corporation. All rights reserved.
RF module of TB 3
Assoc
HELGA
Name
KL
dd-mmm-yy
21 Sep 99
Appr
Des.
18p
C522
C535
47p
C549
100n
C576
150p
1k0
R501
not_assembled
R525
4k7
5R6
R500
C571
J504
100n
100p
C552
GND
C568
0p7
C507
2n2
10p
C553
GND
1n0
C534
1n0
C560
C505
270p
RXQ
VR3
VR4
VR2
TXA
RFBusData
RFBusClk
RFBusEna1
RFBusClk
RFBusEna1
Reset
C570
22p
VR7
LNAB_D
LNAB_P
VTXLO_P
VANT_2
VANT_1
VANT_3
VTXLO_G
LNA_P
VC_1
VCTCXO
VrefRF02
RXI
VTX_B_P
INM_D_RX
LNAB_G
INP_D_RX
VC_2
INM_P_RX
VPCTRL_P
INP_G_RX
INM_G_RX
VR5
OUTP_G_TX
DET
VP_D_SEL
VTX_B_G
OUTP_P_TX
RFTEMP
OUTM_G_TX
OUTM_P_TX
VPCTRL_G
TXIM
TXIP
TXQP
TXQM
AFC
VCTCXOGnd
VR1
VB_DET
TXP
TXC
VR6
INP_P_RX
VrefRF01