Nokia 7373 RM-209 Schematic
Introduction
IMPORTANT:
This document is intended for use by authorized NOKIA service centers only.
Service Schematics
RM-209
“Service Schematics” was created with focus on customer care.
The purpose of this document is to provide further technical repair information for
NOKIA mobile phones on Level 3/4 service activities.
It contains additional information such as e.g. “Component finder”.
The “Signal overview” page gives a good and fast overview about the most
important signals and voltages on board.
Saving process time and improving the repair quality is the aim of this document.
It is to be used additionally to the service manual and other training
or service information such as Service Bulletins.
All measurements were made using following equipment:
Nokia repair SW : Phoenix version 2006.12.5.136
Oscilloscope : Fluke PM 3380A/B
Spectrum Analyzer : Advantest R3162 with an analog probe
RF-Generator / GSM Tester : Rhode & Schwarz CMU 200
Multimeter : Fluke 73 Series II
Table of Content
Front page
System connector, IHF speaker
RETU, SIM, Micro, Vibra
TAHVO
RAPGSM, Combo memory, Camera
UI, Key PWB, LCD PWB, Earpice
Bluetooth, FM radio, microSD
RF part
Signal overview
Component finder
1
2
3
4
5
6
7
8
9
10
While every endeavour has been made to ensure the accuracy of this document, some
errors may exist. If the reader finds any errors, NOKIA shall be notified in writing.
Please send E-Mail to: training.sace@nokia.com
Customer Care / Training & Vendor Development / Content Creation Team
Confidential - Copyright © 2006 NOKIA Only for training and service purposes
Version: 1.0 22.08.2006
RM-209
Copyright © NOKIA
This material, including documentation and any related computer programs is protected
by copyright, controlled by NOKIA. All rights are reserved. Copying, including reproducing,
modifying, storing, adapting or translating any or all of this material requires the prior
written consent of NOKIA. This material also contains companyconfidential information,
which may not be disclosed to others without the prior written consent of NOKIA.
Board version: 1yga_30
Fr
ont p
a g e
Page 1 (10)
TAHVO
C HA R GE R
C 2000
Charger plug
V200 0
E SD A1 8-1F2
K
C 2001
1n0
27p
A
C 2017
L2000
220R /100MH z
470n
2A
F20 00
J 2010
J 2000
X200 0
1
2
C HA R GE R P LU G
HW accelator
RETU
IHF speaker
B2103
J 2105
J 2106
B2102
J 2101
J 2102
IHF speaker
FM radio
RETU
TAHVO
F lash_ trigger
XA UD IO (7:0)
C 2107
27p
22
C 2111
27p
FM AN T(1:0 )
US B _A C I(7:0)
L2109
56nH
R2 115
14V/50V
L2103
56nH
R2 107
14V/50V
G ND
R2 009
C 2015
R2 000
220R
C 2002
R2 003
10R
B1
B2
C 3
D3
C 2
D2
10n
R2 007
IP4065C X11_ LF
17k
1k3
33R
33R
15k
G ND
2u2
G ND
C 2003
33n
to UE M E
C 2004
33n
A2A3
B3
0
HO O KD E T
1
MIC B 2
2
MIC 2P
3
MIC 2N
4
XE A RL
5
XE A RL C
6
XE A RR
7
XE A RR C
S LAV E PU
DP R XD
DM TX D
MA S TP D2
MA S TP D1
AC I
G ND
C 2126
10u
C 2127
1u0
VIH FA MP
Audio amplifier
N2101
TPA 2012D 2Y ZH
D3
OU TR +
D4
OU TR -
A3
OU TL +
A4 B1
OU TL -
A2
PV DD
D2
AVD D
C 4
PG N D
C 3
AG ND
G ND
3.7V
C 2124
100n
G ND
G ND
J 2005
R2 008
220k
INR +
INR -
INL+
INL-
G 0
G 1
_S D R
_S D L
L2111
600R /100MH z
C 2119
100n
C 2120
J 2100
100n
C 2118
100n
C 2117
100n
R2 004
10R
R2 005
10R
C 2007
10n
G ND G ND
G ND
R2 002
10R
C 2008
10n 10n
G ND G ND
C 2009 C 2010
D1
C 1
A1
C 2
B2
B3
B4
L2004
1.8V
1.8V if IHF
VIO
speaker on
Audio_ amps_ en
3.7V
VB AT
68nH
L2108
56nH
G ND
G ND
L2102
56nH
G ND
G ND
R2 114
14V/50V
R2 106
14V/50V
C 2113
1n0
C 2112
C 2108
1n0
C 2109C 2110
1n0
1n0
G ND
C 2114
1n0
1n0
G ND
L2104
220R /100MH z
L2105
220R /100MH z
L2106
220R /100MH z
L2107
220R /100MH z
0
4
1
0
6
5
7
10k
100n
G ND
R2 001
BG F 100
Vc c
1k0
1n0 1n0
50R
50R
1n0 1n0
1k0
E SD A1 4V2-4B F 2
A1
A3
C 1
C 3
R2 006
Mea s
to Mic
G ND
G ND
G ND
G ND
G ND
2.8V
VAN A
R2 017
120k
B2G ND
G ND
G ND
1.8V if IHF
speaker on
Audio_ amps_ en
1n0
2k2
2k2
1n0
C 1
D1
V200 1
DT C 143Z M-T 2L
OU T
R1
IN
J 2011
4k7
R247k
G ND
1.8V
VIO
C 2020
10n
Analog switch/Attenuator
TS 5A 3159DC KR
6
IN
4
C O M
N2000
5=
VIO
2=
G ND
G ND
Analog switch/Attenuator
N2001
TS 5A 3159DC KR
6
IN
4
C O M
5= V IO
2=
G ND
R2 010
100R
C 2005
VO U T
VB US
Z20 01
600R /100MH z
Z20 00
600R /100MH z
J 2003
J 2001
J 2006
J 2004
FM radio
production
test points
Z20 03
600R /100MH z
C 2011
System connector
X200 1
1
2
3
AC I
4
VO U T
5
Vbus
6
D+
7
D-
data gnd
8
9
Xmicn
10
Xmicp
11
Xe ar_l_ n
12
Xe ar_l_ p
13
Xe ar_r_ n
14
Xe ar_r_ p
G ND
AG ND
G ND
C 2012
C 2013
10p
10p
C 2014
10p 10p
C 2018
10n
C 2019
10n
G ND
L2001
E XC 24C B102U
1
4
23
C 2006
10n
10n
G ND
G ND
1
NO
3
NC
1
NO
3
NC
L2002
E XC 24C B102U
4
L2003
E XC 24C B102U
4
1
23
1
23
G ND
Customer Care / Training & Vendor Development / Content Creation Team
Confidential - Copyright © 2006 NOKIA Only for training and service purposes
Version: 1.0 22.08.2006
RM-209
C 2016
270p
G ND
Board version: 1yga_30
System connector, IHF speaker
Page 2 (10)
System connector
FM radio
TAHVO
AHNE
RAPGSM
FM radio
RAPGSM
TAHVO
RAPGSM
TAHVO
RAPGSM
XA UD IO (7:0)
AU DIO (8:0)
C 2075
S LO WAD (6:0)
DIG _ AU DIO (5:0)
C BU S (3:0)
TX C (2:0)
C HS W ST AT
INT_ S IM (5:0)
AC I(1:0 )
Battery connector
C 2076
1u0
10n
G ND
G ND
X207 0
+1
2
G ND
3
BS I
G ND
C 2077
10n
G ND
Power switch
J 2420
123
S 2403
4
Power O n
G ND
C 2070
150u_ 10V
14V/50V
R2 070
R2 100
MIC 1P
3
MIC 1N
4
R2 101
220R
MIC B 1
C 2200
1u0
2
0
E AR P
1
E AR N
220R /100MH z
220R /100MH z
C 2221
1u0
G ND
C 2222
1u0
G ND
0
1
2
C LK
3
J 2216
J 2217
J 2218
J 2219
2
3
0
8
6 35 4
7
3.7V
VB AT
C 2079
C 2078
C 2074
C 2073
10n
1u0
G ND
G ND
G ND
R2 417
C 2071
47k
27p
G ND
PW RO N
R2 406
27k
R2 404
14V/50V
G ND
27p
G ND G ND
BT E MP R esistor
C 2403
47p
G ND
27p
3.7V
VB AT
2
BS I
3
BT E MP
5
LS
6
LS T
1
RF T EM P
4
VC H AR
0
WTX D E T
220R /100MH z
L2203
600R /100MH z
L2205
220R /100MH z
L2206
600R /100MH z
R2 200
100k
C 2202
L2202
1.35V
VR E F
1n0
G ND
C 2203
1n0
3.7V
VB AT3
14
G ND
2.8V
VAN A
C 2223
C 2224
10n
10n
G ND
G ND
C 2206
C 2204
C 2205
C 2207
1n0
1n0
1n0
1n0
G ND
G ND
G ND
G ND
G ND
R2 201
120k
C 2208
R2 202
1k0
R2 214
4k7
VB AT
3.7V
B2200
27p
32.768kH z
G ND
Sleepclock oscillator
J 2200
0
J 2201
1
J 2202
2
J 2203
3
J 2204
4
5
J 2205
6
J 2206
0
J 2207
1
J 2209
2
7
8
3.7V
VB AT1
C 2227
C 2226
C 2225
1u0
1u0
G ND
C 2228
1u0
G ND
G ND
3.7V
VB ATH
C 2231
10u
G ND
1u0
L2204
600R /100MH z
3.7V
VB ATC P
G ND
3.7V
VB AT2
G ND
C 2232
1u0
C 2230
1u0
R2 203
1k0
G ND
26
R2 205
1k0
R2 204
1k0
VAN A
2.8V
R2 213
4k7
1
2.5V
C 2209
R2 216
22p
2M2
G ND
VB AC K
C 2281
1u0
G ND
G 2200
G ND
25
J 2210
0
2
J 2212
1
17
16
J 2213
0
J 2214
2
J 2215
1
18
J 2220
1
J 2221
0
VAN A
M12
G 10
Backup battery
E 12
M10
K10
G ND
C 12
K11
H12
L11
L12
M2
M1
F10
M3
J 11
M4
M5
J 10
M6
F12
B12
RETU
D220 0
RE T U_ 3.0 2
K1
Mic1P
J 3
Mic1N
J 1
Mic2P
J 2
Mic2N
E 1
Mic3P
E 2
Mic3N
E 3
Mic3P R
D2
Mic3N R
C 3
VD AR x
K2
VD AT x
BS I
L3
BTemp
Hea dDet
HookD et
LS
L2
LS T
RF Temp
VB at6
VC ha r
WTx Det
L9
C rI
K9
C rO
L8
VB ack
WD Dis
L1
S IMD etX
PwrO nX
AudC lk
A4
E arDaL
B4
E arDaR
L4
MB usT x
A3
PM AR P
C 4
PM AR N
S erC lk
L5
S erData
K5
S erS elX
S leepX
TxC C lk
L7
TxC C trl
L6
TxC D a
HV
C hS wS
C 5
S IMC lk1
C 6
S IMD a1
A5
S IMIO C 1
B6
S IMC lk2
A6
S IMD a2
B7
S IMIO C 2
VB at1
VB at2
A8
VB at3
VB at4
VB at5
B3
VB atH
VB atC P
E arP
E arN
XE arL
XE arL C
XE arR
XE arR C
MicB 1
MicB 2
MicB C ap
VS A Rx
VS AT x
MicS ub
VibraP
VibraN
HF S pP
HF S pN
VAna
VAux
VD R AM
VR F C
VS IM 1
VS IM 2
VR C P 1
VR C P 2
FlyH igh
FlyL ow
MB usR x
MicD ata
PU R X
Re tuInt
S lC lk
MB us
Rs tX
TxC 1
TxC 2
S IMR stC 1
S IMC lkC 1
S IMD aC 1
S IMC lkC 2
S IMD aC 2
S IMR stC 2
G nd1
G nd2
G nd3
G nd4
G ndC P
G ndH
VB G
VR ef
VR 1
VC P
AF C
VIO
TM
6
7
4 5 1
E AR P
D3
D1
F3
F1
G 1
G 3
H1
H2
G 2
C 1
H3
F2
G ND
A2
VIB RA P
A1
VIB RA N
B1
C 2201
C 2
1u0
H10
G ND
F11
J 12
E 11
M11
D12
G 11
G 12
A7
C 9
A10
C 10
B10
B11
C 2210
A12
1u0
K4
B5
K3
K8
M9
H11
E 10
M8
K7
M7
C 11
C 7
C 8
B9
A9
D10
L10
D11
K12
B8
K6
A11
B2
G ND
C 2229
1n0
G ND
010
1
E AR N
2
R2 212
470R
G ND
C 2211
4u7
G ND
Sleepx 1.8V in local mode
C 2100
C 2101
C 2102
2u2
G ND
L2272
L2273
C 2220
G ND
3
7
E MIF 03-S IM02F 2
33n
33n
C 2103
1n0
G ND
C 2275
C 2274
1n0
G ND
C 2212
G ND
R2 700
S IM R eader
R1
R2
R3
0
1
2
3
4
G ND
E MIF 01-S MIC 01F 2
B1
toA sic
C 1
1n0
G ND 3 1n0
A2
50R
Vbias
C 2104
1n0
G ND
C 2273
1n0
1n0
1u51u5
G ND
2k22k2
2k2
150p
C 2106
27p
G ND
1u51u5
G ND G ND
1n0
C 2214
1n0
50R
Depends on SIM 1.8V/ 3V
VS IM 1
19
S ide
G ND
C 2701
C 2700
27p
100n
G ND
G ND 1
to Mic
G ND 2 B2
L2112
600R /100MH z
C 2105
27p
G ND
C 2215C 2213
1u5
3
2
1
C 2G ND 3
A3
B3
C 3
C 1
C 2
C 3
G ND
L2113
600R /100MH z
C 2219
1u5
G ND
SIM
X270 0
Microphone
J 2103
J 2104
B2100 na
OU T
1
2
G ND
E AR _ P
UI
E AR _ N
Vibra
M2100
FM -0035-C 1
-
+
M
G ND
1.35V
VR E F
VAN A
2.8V
VAU X
VD R AM
1.8V
VIO
VR 1
2.5V
VR F C
1.8V if RF active
VS IM 1
Depends on SIM 1.8V/ 3V
VS IM 2
VR C P 1
4.7V if RF active
VR C P 2
C 2217
C 2216
1u5
1u5
G ND
G ND
5
C 5
6
C 6
7
C 7
G ND
0
E MINT (1:0)
US B _A C I(7:0)
TX C _ C O NV (2:0)
PU S L(7:0)
RAPGSM
System connector
TAHVO
AHNE
FM radio
TAHVO
BT
RAPGSM
Customer Care / Training & Vendor Development / Content Creation Team
Confidential - Copyright © 2006 NOKIA Only for training and service purposes
Version: 1.0 22.08.2006
RM-209
Board version: 1yga_30
RETU, SIM, Micro, Vibra
Page 3 (10)
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