Nokia 7370 Schematics
Service Schematics
NOKIANOKIA
Introduction
IMPORTANT:
This document is intended for use by authorized NOKIA service centers only.
“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”,
“Frequency band table” or “Antenna switch table”.
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:
73707370
Exploded view and component disposal
RM-70
Nokia repair SW : Phoenix version 2005.20.7.98
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
While every endeavour has been made to ensure the accuracy of this document, some
errors may exist. If the reader finds any errors, NOKIA should be notified in writing.
Please send E-Mail to: training.sace@nokia.comtraining.sace@nokia.com
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.
Table of Contents PageTable of Contents Page
10
11
12
12
1
2
3
4
5
6
7
8
9
Front page
System connector, IHF speaker
RETU, SIM, Micro, Vibra
TAHVO
RAPGSM, Combo memory, Camera
UI, Key PWB, LCD PWB, Earpice
BT, FM radio
RF- part, BT clock buffer
Signal overview
Component finder engine module
Component finder Key PWB
Component finder LCD module
Component finder LCD PWB
Customer Care / Service & Support Readiness / Content Creation Management
Customer Care / Service & Support Readiness / Content Creation Management
Copyright © 2005 NOKIA Only for training and service purposes
Copyright © 2005 NOKIA Only for training and service purposes
Version: 1.0Version: 1.0 03.11.200503.11.2005
7370 RM-707370 RM-70
Board version: 1lua_50a Board version: 1lua_50a
Front pageFront page
Page 1(12)Page 1(12)
TAHVO
TAHVO
HW accelator
HW accelator
RETU
RETU
IHF speaker
IHF speaker
B2103
B2103
J2105
J2105
J2106
J2106
Flash_trigger
Flash_trigger
XAUDIO(7:0)
XAUDIO(7:0)
C2107
C2107
27p
27p
22
22
CHARGER
CHARGER
L2109
L2109
56nH
56nH
R2115
R2115
14V/50V
14V/50V
Charger plug
Charger plug
V2000
V2000
ESDA18-1F2
ESDA18-1F2
K
K
C2001
C2001
C2000
C2000
1n0
27p
1n0
27p
GND
GND
R2009
R2009
10k
C2015
C2015
R2000
R2000
220R
220R
C2002
C2002
2u2
R2003
R2003
2u2
GND
GND
C2003
C2003
33n
33n
to UEME
to UEME
C2004
C2004
33n
33n
10R
10R
0
0
HOOKDET
HOOKDET
1
1
MICB2
MICB2
2
2
MIC2P
MIC2P
3
3
MIC2N
MIC2N
4
4
XEARL
XEARL
5
5
XEARLC
XEARLC
6
6
XEARR
XEARR
7
7
XEARRC
XEARRC
Audio amplifier
L2104
L2108
L2108
56nH
56nH
GND
GND
GND
GND
R2114
R2114
14V/50V
14V/50V
C2108
C2108
1n0
1n0
C2109C2110
C2109C2110
1n0
1n0
1n0
1n0
GND
GND
L2104
220R/100MHz
220R/100MHz
L2105
L2105
220R/100MHz
220R/100MHz
Audio amplifier
D3
D3
D4
D4
A3
A3
A4 B1
A4 B1
A2
A2
D2
D2
C2127
C2127
C4
C4
1u0
1u0
C3
C3
GND
GND
GND
GND
N2101
N2101
TPA2012D2YZH
TPA2012D2YZH
OUTR+
OUTR+
OUTR-
OUTR-
OUTL+
OUTL+
OUTL-
OUTL-
PVDD
PVDD
AVDD
AVDD
PGND
PGND
AGND
AGND
_SDR
_SDR
_SDL
_SDL
C2119
C2119
100n
100n
C2120
C2120
100n
J2100
J2100
100n
C2118
C2118
100n
100n
C2117
C2117
100n
100n
R2004
R2004
R2005
R2005
R2002
R2002
10R
10R
10R
10R
10R
10R
D1
D1
INR+
INR+
C1
C1
INR-
INR-
A1
A1
INL+
INL+
INL-
INL-
J2107
J2107
C2
C2
G0
G0
B2
B2
J2108
J2108
G1
G1
B3
B3
B4
B4
1.8V
1.8V
VIO
VIO
1.8V if IHF
1.8V if IHF
speaker on
speaker on
Audio_amps_en
Audio_amps_en
10k
100n
100n
GND
GND
R2001
R2001
BGF100
BGF100
Vcc
Vcc
1k0
1k0
Meas
1n0 1n0
1n0 1n0
50R
50R
50R
50R
1n0 1n0
1n0 1n0
1k0
1k0
Meas
to Mic
to Mic
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
1.8V if IHF
1.8V if IHF
speaker on
speaker on
Audio_amps_en
Audio_amps_en
1n0
1n0
2k2
2k2
2k2
2k2
1n0
1n0
OUT
OUT
DTC143ZM-T2L
DTC143ZM-T2L
GND
GND
C2020
C2020
10n
10n
A
A
V2001
V2001
R1
R1
IN
IN
J2011
J2011
4k7
4k7
R247k
R247k
1.8V
1.8V
VIO
VIO
Analog switch/Attenuator
Analog switch/Attenuator
GND
GND
COM
COM
C2017
C2017
470n
470n
N2000
N2000
TS5A3159DCKR
TS5A3159DCKR
6
6
IN
IN
4
4
5=
5=
VIO
VIO
2=
2=
GND
GND
L2000
L2000
220R/100MHz
220R/100MHz
C2005
C2005
10n
10n
GND
GND
1
1
NO
NO
3
3
NC
NC
C2006
C2006
2A
2A
F2000
F2000
VOUT
VOUT
VBUS
VBUS
Z2000
Z2001
Z2001
600R/100MHz
600R/100MHz
Z2000
600R/100MHz
600R/100MHz
J2003
J2003
J2001
J2001
J2006
J2006
J2004
J2004
FM radio
FM radio
production
production
test points
test points
C2011
C2011
C2012
C2012
C2013
C2013
C2014
10p
10p
10p
10p
C2014
10p
10p
10p
10p
C2018
C2018
10n
10n
C2019
C2019
10n
10n
GND
GND
L2001
L2001
EXC24CB102U
EXC24CB102U
1
4
1
4
23
23
10n
10n
GND
GND
L2002
L2002
EXC24CB102U
EXC24CB102U
1
4
1
4
23
23
J2010
J2010
J2000
J2000
X2000
X2000
1
1
2
2
CHARGER PLUG
CHARGER PLUG
System connector
System connector
X2001
X2001
1
1
2
2
3
3
ACI
ACI
4
4
VOUT
VOUT
5
5
Vbus
Vbus
6
6
D+
D+
7
7
D-
Ddata gnd
data gnd
8
8
9
9
Xmicn
Xmicn
10
10
Xmicp
Xmicp
11
11
Xear_l_n
Xear_l_n
12
12
Xear_l_p
Xear_l_p
13
13
Xear_r_n
Xear_r_n
14
14
Xear_r_p
Xear_r_p
GND
GND
AGND
AGND
GND
GND
B2102
B2102
J2101
J2101
J2102
J2102
IHF speaker
IHF speaker
FM radio
FM radio
RETU
RETU
TAHVO
TAHVO
C2111
C2111
27p
27p
FMANT(1:0)
FMANT(1:0)
USB_ACI(7:0)
USB_ACI(7:0)
L2103
L2103
56nH
56nH
R2107
R2107
14V/50V
14V/50V
3.7V
L2106
L2102
L2102
56nH
56nH
GND
GND
C2113
C2113
1n0
1n0
C2112
C2112
C2114
C2114
1n0
1n0
1n0
R2106
R2106
14V/50V
14V/50V
GND
GND
1n0
GND
GND
L2106
220R/100MHz
220R/100MHz
L2107
L2107
220R/100MHz
220R/100MHz
3.7V
VIHFAMP
VIHFAMP
C2126
C2126
10u
10u
0
0
4
4
SLAVEPU
SLAVEPU
1
1
DPRXD
DPRXD
0
0
DMTXD
DMTXD
6
6
MASTPD2
MASTPD2
5
5
MASTPD1
MASTPD1
7
7
ACI
ACI
C2124
C2124
100n
100n
GND
GND
GND
GND
J2005
J2005
R2008
R2008
220k
220k
GND
GND
L2111
L2111
600R/100MHz
600R/100MHz
L2004
L2004
68nH
68nH
3.7V
3.7V
VBAT
VBAT
C2007
C2007
10n
10n
GND GND
GND GND
GND
GND
C2008
C2008
10n 10n
10n 10n
GND GND
GND GND
C2009 C2010
C2009 C2010
10n
10n
R2007
R2007
IP4065CX11_LF
IP4065CX11_LF
B1
B1
B2
B2
C3
C3
D3
D3
C2
C2
D2
D2
GND
GND
Z2003
Z2003
600R/100MHz
600R/100MHz
L2003
L2003
EXC24CB102U
EXC24CB102U
1
4
1
4
23
23
R2006
R2006
ESDA14V2-4BF2
ESDA14V2-4BF2
A1
A1
A3
A3
C1
C1
C3
C3
A2A3
B3
A2A3
B3
17k
17k
1k3
1k3
33R
33R
33R
33R
15k
15k
C1
C1
D1
D1
2.8V
2.8V
VANA
VANA
R2017
R2017
120k
120k
B2GND
B2GND
GND
GND
Analog switch/Attenuator
Analog switch/Attenuator
R2010
R2010
100R
100R
C2016
C2016
270p
270p
GND
GND
TS5A3159DCKR
TS5A3159DCKR
6
6
IN
IN
4
4
COM
COM
5= VIO
5= VIO
2=
2=
N2001
N2001
GND
GND
1
1
NO
NO
3
3
NC
NC
Customer Care / Service & Support Readiness / Content Creation Management
Customer Care / Service & Support Readiness / Content Creation Management
Customer Care / Service & Support Readiness / Content Creation Management
Customer Care / Service & Support Readiness / Content Creation Management
Copyright © 2005 NOKIA Only for training and service purposes
Copyright © 2005 NOKIA Only for training and service purposes
Copyright © 2005 NOKIA Only for training and service purposes
Copyright © 2005 NOKIA Only for training and service purposes
Version: 1.0Version: 1.0 03.11.200503.11.2005
Version: 1.0Version: 1.0 03.11.200503.11.2005
7370 RM-707370 RM-70
7370 RM-707370 RM-70
Board version: 1lua_50a Board version: 1lua_50a
Board version: 1lua_50a Board version: 1lua_50a
System connector, IHF speakerSystem connector, IHF speaker
System connector, IHF speakerSystem connector, IHF speaker
Page 2(12)Page 2(12)
Page 2(12)Page 2(12)
System connector
System connector
FM radio
FM radio
TAHVO
TAHVO
AHNE
AHNE
RAPGSM
RAPGSM
FM radio
FM radio
RAPGSM
RAPGSM
TAHVO
TAHVO
RAPGSM
RAPGSM
TAHVO
TAHVO
RAPGSM
RAPGSM
XAUDIO(7:0)
XAUDIO(7:0)
AUDIO(8:0)
AUDIO(8:0)
C2075
C2075
SLOWAD(6:0)
SLOWAD(6:0)
DIG_AUDIO(5:0)
DIG_AUDIO(5:0)
CBUS(3:0)
CBUS(3:0)
TXC(2:0)
TXC(2:0)
CHSWSTAT
CHSWSTAT
INT_SIM(5:0)
INT_SIM(5:0)
ACI(1:0)
ACI(1:0)
Battery connector
Battery connector
C2076
C2076
1u0
1u0
10n
10n
GND
GND
GND
GND
X2070
X2070
+1
+1
GND
GND
2
2
3
3
BSI
BSI
GND
GND
C2077
C2077
10n
10n
GND
GND
Power switch
Power switch
J2420
J2420
123
123
S2403
S2403
4
4
Power On
Power On
GND
GND
C2070
C2070
150u_10V
150u_10V
14V/50V
14V/50V
R2070
R2070
R2100
R2100
EMIF01-SMIC01F2
33n
MIC1P
MIC1P
3
3
MIC1N
MIC1N
4
4
R2101
R2101
220R
220R
MICB1
MICB1
2
C2200
C2200
1u0
1u0
2
R2102
EARP
EARP
EARN
EARN
0
0
1
1
2
2
R2102
220R/100MHz
220R/100MHz
220R/100MHz
220R/100MHz
C2222
C2222
1u0
1u0
GND
GND
CLK
CLK
J2216
J2216
J2217
J2217
J2218
J2218
J2219
J2219
0
0
1
1
C2221
C2221
1u0
1u0
GND
GND
3
3
6
2
2
3
3
0
0
8
8
6 35
6 35
7
7
3.7V
3.7V
VBAT
VBAT
C2079
C2078
C2074
C2073
C2074
C2073
10n
1u0
10n
1u0
GND
GND
GND
GND
GND
GND
R2417
R2417
C2071
C2071
47k
47k
27p
27p
GND
GND
PWRON
PWRON
R2406
R2406
27k
27k
R2404
R2404
14V/50V
14V/50V
GND
GND
C2078
27p
27p
GND GND
GND GND
BTEMP Resistor
BTEMP Resistor
C2403
C2403
GND
GND
C2079
27p
27p
47p
47p
3.7V
3.7V
VBAT
VBAT
2
2
BSI
BSI
3
3
BTEMP
BTEMP
5
5
LS
LS
6
6
LST
LST
1
1
RFTEMP
RFTEMP
4
4
VCHAR
VCHAR
0
0
WTXDET
WTXDET
220R/100MHz
220R/100MHz
L2203
L2203
600R/100MHz
600R/100MHz
L2205
L2205
220R/100MHz
220R/100MHz
L2206
L2206
600R/100MHz
600R/100MHz
R2200
R2200
100k
100k
C2202
C2202
L2202
L2202
1.35V
1.35V
VREF
VREF
1n0
1n0
GND
GND
C2203
C2203
1n0
1n0
3.7V
3.7V
VBAT3
VBAT3
GND
GND
14
14
2.8V
2.8V
VANA
VANA
R2203
R2203
1k0
1k0
R2202
C2224
C2224
C2223
C2223
10n
10n
10n
10n
GND
GND
GND
GND
C2206
C2206
C2204
C2205
C2205
J2200
J2200
J2201
J2201
J2202
J2202
J2203
J2203
J2204
J2204
J2205
J2205
C2207
C2207
1n0
1n0
1n0
1n0
1n0
1n0
GND
GND
GND
GND
GND
GND
Sleepclock oscillator
Sleepclock oscillator
6
6
0
0
1
1
2
2
7
7
3.7V
3.7V
VBAT1
VBAT1
C2227
C2227
C2226
C2226
1u0
1u0
1u0
1u0
GND
GND
GND
GND
3.7V
3.7V
VBATH
VBATH
C2231
C2231
10u
10u
GND
GND
C2204
1n0
1n0
GND
GND
GND
GND
0
0
1
1
2
2
3
3
4
4
5
5
C2225
C2225
1u0
1u0
GND
GND
C2228
C2228
1u0
1u0
R2201
R2201
120k
120k
C2208
C2208
27p
27p
GND
GND
L2204
L2204
600R/100MHz
600R/100MHz
3.7V
3.7V
J2206
J2206
J2207
J2207
J2209
J2209
3.7V
3.7V
VBATCP
VBATCP
GND
GND
1k0
1k0
R2214
R2214
4k7
4k7
B2200
B2200
32.768kHz
32.768kHz
8
8
3.7V
3.7V
VBAT2
VBAT2
GND
GND
C2232
C2232
1u0
1u0
R2202
VBAT
VBAT
C2230
C2230
C2209
C2209
22p
22p
GND
GND
26
26
0
0
2
2
1
1
17
17
1u0
1u0
R2204
R2204
1k0
1k0
R2213
R2213
0
0
2
2
1
1
1
1
0
0
4k7
4k7
25
25
4
4
R2205
R2205
1k0
1k0
VANA
VANA
2.8V
2.8V
VANA
VANA
M12
M12
L11
L11
L12
L12
G10
G10
F10
1
1
2.5V
2.5V
VBACK
GND
GND
J2213
J2213
J2214
J2214
J2215
J2215
J2220
J2220
J2221
J2221
16
16
C2281
C2281
1u0
1u0
18
18
VBACK
Backup battery
Backup battery
G2200
G2200
GND
GND
R2216
R2216
2M2
2M2
GND
GND
J2210
J2210
J2212
J2212
F10
J2222
J2222
J11
J11
E12
E12
J10
J10
M10
M10
K10
K10
GND
GND
C12
C12
K11
K11
H12
H12
F12
F12
B12
B12
RETU
RETU
D2200
D2200
RETU_3.02
RETU_3.02
K1
K1
Mic1P
Mic1P
J3
J3
Mic1N
Mic1N
J1
J1
Mic2P
Mic2P
J2
J2
Mic2N
Mic2N
E1
E1
Mic3P
Mic3P
E2
E2
Mic3N
Mic3N
E3
E3
Mic3PR
Mic3PR
D2
D2
Mic3NR
Mic3NR
C3
C3
VDARx
VDARx
K2
K2
VDATx
VDATx
BSI
BSI
L3
L3
BTemp
BTemp
HeadDet
HeadDet
HookDet
HookDet
M2
M2
LS
LS
L2
L2
LST
LST
M1
M1
RFTemp
RFTemp
VBat6
VBat6
VChar
VChar
M3
M3
WTxDet
WTxDet
L9
L9
CrI
CrI
K9
K9
CrO
CrO
L8
L8
VBack
VBack
WDDis
WDDis
L1
L1
SIMDetX
SIMDetX
PwrOnX
PwrOnX
M4
M4
AudClk
AudClk
A4
A4
EarDaL
EarDaL
B4
B4
EarDaR
EarDaR
L4
L4
MBusTx
MBusTx
A3
A3
PMARP
PMARP
C4
C4
PMARN
PMARN
M5
M5
SerClk
SerClk
L5
L5
SerData
SerData
K5
K5
SerSelX
SerSelX
SleepX
SleepX
M6
M6
TxCClk
TxCClk
L7
L7
TxCCtrl
TxCCtrl
L6
L6
TxCDa
TxCDa
HV
HV
ChSwS
ChSwS
C5
C5
SIMClk1
SIMClk1
C6
C6
SIMDa1
SIMDa1
A5
A5
SIMIOC1
SIMIOC1
B6
B6
SIMClk2
SIMClk2
A6
A6
SIMDa2
SIMDa2
B7
B7
SIMIOC2
SIMIOC2
VBat1
VBat1
VBat2
VBat2
A8
A8
VBat3
VBat3
VBat4
VBat4
VBat5
VBat5
B3
B3
VBatH
VBatH
VBatCP
VBatCP
EarP
EarP
EarN
EarN
XEarL
XEarL
XEarLC
XEarLC
XEarR
XEarR
XEarRC
XEarRC
MicB1
MicB1
MicB2
MicB2
MicBCap
MicBCap
VSARx
VSARx
VSATx
VSATx
MicSub
MicSub
VibraP
VibraP
VibraN
VibraN
HFSpP
HFSpP
HFSpN
HFSpN
VAna
VAna
VAux
VAux
VDRAM
VDRAM
VRFC
VRFC
VSIM1
VSIM1
VSIM2
VSIM2
VRCP1
VRCP1
VRCP2
VRCP2
FlyHigh
FlyHigh
FlyLow
FlyLow
MBusRx
MBusRx
MicData
MicData
PURX
PURX
RetuInt
RetuInt
SlClk
SlClk
MBus
MBus
RstX
RstX
TxC1
TxC1
TxC2
TxC2
SIMRstC1
SIMRstC1
SIMClkC1
SIMClkC1
SIMDaC1
SIMDaC1
SIMClkC2
SIMClkC2
SIMDaC2
SIMDaC2
SIMRstC2
SIMRstC2
Gnd1
Gnd1
Gnd2
Gnd2
Gnd3
Gnd3
Gnd4
Gnd4
GndCP
GndCP
GndH
GndH
VBG
VBG
VRef
VRef
VIO
VIO
VR1
VR1
VCP
VCP
AFC
AFC
TM
TM
6
7
7
45 1
45 1
EARP
EARP
010
D3
D3
D1
D1
F3
F3
F1
F1
G1
G1
G3
G3
H1
H1
H2
H2
G2
G2
C1
C1
H3
H3
F2
F2
GND
GND
A2
A2
VIBRAP
VIBRAP
A1
A1
VIBRAN
VIBRAN
B1
B1
C2201
C2201
C2
C2
1u0
1u0
H10
H10
GND
GND
F11
F11
J12
J12
E11
E11
M11
M11
D12
D12
G11
G11
G12
G12
A7
A7
C9
C9
A10
A10
C10
C10
B10
B10
B11
B11
C2210
C2210
A12
A12
1u0
1u0
K4
K4
B5
B5
K3
K3
K8
K8
M9
M9
H11
H11
E10
E10
M8
M8
K7
K7
M7
M7
C11
C11
C7
C7
C8
C8
B9
B9
A9
A9
D10
D10
L10
L10
D11
D11
K12
K12
B8
B8
K6
K6
A11
A11
B2
B2
GND
GND
C2229
C2229
1n0
1n0
GND
GND
010
1
1
EARN
EARN
2
2
R2212
R2212
470R
470R
GND
GND
C2211
C2211
4u7
4u7
GND
GND
Sleepx 1.8V in local mode
Sleepx 1.8V in local mode
C2100
C2100
C2101
C2101
C2102
C2102
2u2
2u2
GND
GND
0R
0R
L2272
L2272
L2273
L2273
C2220
C2220
GND
GND
3
3
7
7
EMIF03-SIM02F2
EMIF03-SIM02F2
0
0
1
1
2
2
3
3
4
4
GND
GND
R2103
R2103
R2700
R2700
0R
0R
C2274
C2274
33n
33n
33n
C2103
C2103
1n0
1n0
GND
GND
C2275
C2275
1n0
1n0
GND
GND
C2212
C2212
GND
GND
SIM Reader
SIM Reader
R1
R1
R2
R2
R3
R3
EMIF01-SMIC01F2
B1
B1
to Asic
to Asic
C1
C1
1n0
1n0
GND3 1n0
GND3 1n0
A2
A2
50R
50R
Vbias
Vbias
C2104
C2104
1n0
1n0
GND
GND
C2273
C2273
1n0
1n0
1n0
1n0
1u51u5
1u51u5
GND
GND
Depends on SIM 1.8V/ 3V
Depends on SIM 1.8V/ 3V
Side
Side
GND
GND
2k2
2k2
150p
150p
C2106
C2106
27p
27p
GND
GND
1u51u5
1u51u5
GND GND
GND GND
VSIM1
VSIM1
C2701
C2701
27p
27p
GND
GND
2k22k2
2k22k2
R2701
R2701
1n0
1n0
C2214
C2214
0R
0R
C2700
C2700
100n
100n
1n0
1n0
50R
50R
GND1
GND1
to Mic
to Mic
GND2 B2
GND2 B2
L2112
L2112
600R/100MHz
600R/100MHz
C2105
C2105
27p
27p
1u5
1u5
19
19
GND
GND
C2215C2213
C2215C2213
3
3
2
2
1
1
7
7
C2GND3
C2GND3
A3
A3
B3
B3
C3
C3
GND
GND
600R/100MHz
600R/100MHz
1u5
1u5
SIM
SIM
X2700
X2700
C1
C1
C2
C2
C3
C3
SW
SW
SF7W006S4C
SF7W006S4C
Microphone
Microphone
B2100 na
J2103
J2103
J2104
J2104
Vibra
Vibra
M2100
M2100
FM-0035-C1
FM-0035-C1
+
+
M
L2113
L2113
C2219
C2219
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
M
GND
GND
C2216
C2216
1u5
1u5
GND
GND
4
4
C5
C5
5
5
C6
C6
6
6
C7
C7
8
8
9
9
10
10
11
11
GND
GND
B2100 na
OUT
OUT
1
1
2
2
GND
GND
EAR_P
EAR_P
UI
UI
EAR_N
EAR_N
-
-
1.35V
1.35V
VREF
VREF
VANA
VANA
2.8V
2.8V
VAUX
VAUX
VDRAM
VDRAM
1.8V
1.8V
VIO
VIO
VR1
VR1
2.5V
2.5V
VRFC
VRFC
1.8V if RF active
1.8V if RF active
VSIM1
VSIM1
Depends on SIM 1.8V/ 3V
Depends on SIM 1.8V/ 3V
VSIM2
VSIM2
VRCP1
VRCP1
4.7V if RF active
4.7V if RF active
VRCP2
VRCP2
C2217
C2217
1u5
1u5
GND
GND
0
0
EMINT(1:0)
EMINT(1:0)
USB_ACI(7:0)
USB_ACI(7:0)
TXC_CONV(2:0)
TXC_CONV(2:0)
PUSL(7:0)
PUSL(7:0)
RAPGSM
RAPGSM
System connector
System connector
TAHVO
TAHVO
AHNE
AHNE
BT
FM radio
FM radio
TAHVO
TAHVO
BT
RAPGSM
RAPGSM
Customer Care / Service & Support Readiness / Content Creation Management
Customer Care / Service & Support Readiness / Content Creation Management
Customer Care / Service & Support Readiness / Content Creation Management
Customer Care / Service & Support Readiness / Content Creation Management
Copyright © 2005 NOKIA Only for training and service purposes
Copyright © 2005 NOKIA Only for training and service purposes
Copyright © 2005 NOKIA Only for training and service purposes
Copyright © 2005 NOKIA Only for training and service purposes
Version: 1.0Version: 1.0 03.11.200503.11.2005
Version: 1.0Version: 1.0 03.11.200503.11.2005
7370 RM-707370 RM-70
7370 RM-707370 RM-70
Board version: 1lua_50a Board version: 1lua_50a
Board version: 1lua_50a Board version: 1lua_50a
RETU, SIM, Micro, VibraRETU, SIM, Micro, Vibra
RETU, SIM, Micro, VibraRETU, SIM, Micro, Vibra
Page 3(12)Page 3(12)
Page 3(12)Page 3(12)
Charger plug
Charger plug
RETU
RETU
CHARGER
CHARGER
SLOWAD(6:0)
SLOWAD(6:0)
CHSWSTAT
CHSWSTAT
C2309
C2309
22u
22u
C2306
C2306
1u0
1u0
3.7V
3.7V
VBAT
VBAT
GND
GND
3.7V
3.7V
VBAT
VBAT
GND
GND
L2301
L2301
220R/100MHz
220R/100MHz
R2307
R2307
100R
100R
V2302
V2302
RSX101VA-30TR
RSX101VA-30TR
4
4
Current gauge
Current gauge
J2306
J2306
R2300
R2300
4
4
CURRENT_SEN
CURRENT_SEN
BGND
BGND
Local mode=1.4V
Local mode=1.4V
VCORE
VCORE
C2302
C2302
22u
22u
GND
GND
J2307
J2307
SENSE-
SENSESENSE+
SENSE+
23
23
1
1
GND
GND
3.7V
3.7V
VBAT
VBAT
C2300
C2300
10n
10n
GND
GND
L2306
L2306
600R/100MHz
600R/100MHz
C2301
C2301
22u
22u
GND
GND
C2307
C2307
1u0
1u0
GND
GND
2.5V if accessory
2.5V if accessory
connected
connected
VOUT
VOUT
C2312
C2312
1u0
1u0
GND
GND
5V if USB connected
5V if USB connected
VBUS
VBUS
C2313
C2313
1u0
1u0
GND
GND
L2302
L2302
10uH
10uH
J2300
J2300
GND
GND
GND
GND
GND
GND
GND
GND
D10
D10
E10
E10
F10
F10
G10
G10
A10
A10
B10
B10
C10
C10
H10
H10
G2
G2
K10
K10
H2
H2
A7
A7
A6
A6
A5
A5
B6
B6
B4
B4
B5
B5
A4
A4
E9
E9
D9
D9
G9
G9
A8
A8
B8
B8
A9
A9
F9
F9
J1
J1
F1
F1
F2
F2
J8
J8
H3
H3
H4
H4
H5
H5
H6
H6
H7
H7
H8
H8
G3
G3
G8
G8
F3
F3
F8
F8
TAHVO
TAHVO
TAHVO_V5.2_LF
TAHVO_V5.2_LF
VBAT1
VBAT1
VBAT1
VBAT1
VCoreCoil
VCoreCoil
VCoreCoil
VCoreCoil
VCore
VCore
GND1
GND1
GND1
GND1
VCharIn1
VCharIn1
VCharIn2
VCharIn2
VCharInK
VCharInK
VCharOut1
VCharOut1
VCharOut2
VCharOut2
VCharOutK
VCharOutK
VCharADC
VCharADC
ChSwS
ChSwS
SMPSClk
SMPSClk
GND4
GND4
VBAT3
VBAT3
GND3
GND3
NC
NC
NC
NC
NC
NC
NC
NC
GND5
GND5
Vout
Vout
SENSE-
SENSE-
SENSE+
SENSE+
VCC
VCC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
N2300
N2300
Slave_PU
Slave_PU
Master_PD1
Master_PD1
Master_PD2
Master_PD2
D+_RXD
D+_RXD
D-_TXD
D-_TXD
VPP_VIO
VPP_VIO
VCCint
VCCint
RCV_FRX2
RCV_FRX2
VP_FRX
VP_FRX
VM_CLK
VM_CLK
SLAVESWSET
SLAVESWSET
SLEEPX
SLEEPX
TahvoInt
TahvoInt
CbusDataNC
CbusDataNC
CbusSelX
CbusSelX
CbusClk
CbusClk
VcoreDef
VcoreDef
FlashM
FlashM
TestMode
TestMode
TestOut
TestOut
GenOut1
GenOut1
GenOut2
GenOut2
GenOut3
GenOut3
PWM300
PWM300
Clk600
Clk600
SleepClk
SleepClk
CLK
CLK
RXD2
RXD2
VIO
VIO
OEX
OEX
FSE0
FSE0
FTX
FTX
RSTX
RSTX
PURX
PURX
VO
VO
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
Flash interface
Flash interface
J20
J20
VPP
VPP
VBUS
VBUS
12
12
678
678
TXD
TXD
CLK
CLK
J10
J10
H9
H9
J9
J9
J6
J6
K7
K7
J7
J7
K8
K8
A1
A1
K9
K9
A3
A3
J4
J4
K4
K4
J5
J5
K2
K2
J3
J3
K3
K3
K5
K5
K6
K6
B3
B3
D2
D2
D1
D1
C2
C2
C1
C1
B1
B1
B2
B2
C9
C9
A2
A2
B7
B7
B9
B9
J2
J2
K1
K1
H1
H1
G1
G1
E1
E1
E2
E2
E3
E3
E8
E8
D3
D3
D8
D8
C3
C3
C4
C4
C5
C5
C6
C6
C7
C7
C8
C8
GND
GND
15
15
6
6
0
0
D
D
N
N
G
G
34
34
RXD
RXD
C2303
C2303
1u0
1u0
J2309
J2309
J2314
J2314
J2310
J2310
J2311
J2311
J2312
J2312
J2313
J2313
J2315
J2315
2
2
0
0
3
3
GND
GND
7
7
1
1
5
5
RXD2
RXD2
J2308
J2308
GND
GND
5
5
4
4
3
3
2
2
1
1
0
0
6
6
0
0
1
1
2
2
4
4
5
5
6
6
3
3
2
2
1
1
0
0
1
1
X2060
X2060
1
1
GND
GND
Traceability pad
Traceability pad
1
1
2
2
0
0
J2316
J2316
1.8V if lights on
1.8V if lights on
C2304
C2304
10n
10n
PWMTAHVO
PWMTAHVO
1.8V
1.8V
VIO
VIO
GND
GND
L2304
L2304
22uH
22uH
LED driver
LED driver
4W_LED_DRIVER
4W_LED_DRIVER
A2
A2
EN
EN
C2
C2
IND
IND
B3
B3
FB
FB
A3
A3
NC
NC
N2301
N2301
VOUT
VOUT
VDD
VDD
AGND
AGND
PGND
PGND
3.7V
3.7V
VBAT
VBAT
L2305
L2305
600R/100MHz
600R/100MHz
Power supply for display
Power supply for display
and keyboard lights
and keyboard lights
C1
C1
B1
B1
A1
A1
C3
C3
GND
GND
C2314
C2314
4u7
4u7
C2305
C2305
1u0
1u0
13V if lights on
13V if lights on
VLEDOUT1
VLEDOUT1
C2315
C2315
4u7
4u7
USB_ACI(7:0)
USB_ACI(7:0)
USB_CMT(8:0)
USB_CMT(8:0)
PUSL(7:0)
PUSL(7:0)
EMINT(1:0)
EMINT(1:0)
CBUS(3:0)
CBUS(3:0)
GEN_OUT(3:0)
GEN_OUT(3:0)
System connector
System connector
RETU
RETU
RAPGSM
RAPGSM
FM radio
FM radio
RETU
RETU
RAPGSM
RAPGSM
FM radio
FM radio
RAPGSM
RAPGSM
UI
UI
BT
BT
RAPGSM
RAPGSM
RETU
RETU
Customer Care / Service & Support Readiness / Content Creation Management
Customer Care / Service & Support Readiness / Content Creation Management
Customer Care / Service & Support Readiness / Content Creation Management
Customer Care / Service & Support Readiness / Content Creation Management
Copyright © 2005 NOKIA Only for training and service purposes
Copyright © 2005 NOKIA Only for training and service purposes
Copyright © 2005 NOKIA Only for training and service purposes
Copyright © 2005 NOKIA Only for training and service purposes
Version: 1.0Version: 1.0 03.11.200503.11.2005
Version: 1.0Version: 1.0 03.11.200503.11.2005
7370 RM-707370 RM-70
7370 RM-707370 RM-70
GND
GND
0,5V if lights on
0,5V if lights on
Board version: 1lua_50a Board version: 1lua_50a
Board version: 1lua_50a Board version: 1lua_50a
GND
GND
TAHVOTAHVO
TAHVOTAHVO
GND
GND
GND
GND
SETCURR1
SETCURR1
UI
UI
Page 4(12)Page 4(12)
Page 4(12)Page 4(12)
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