Nokia 6131 Service Schematics page 3

C2
int. microphone A3
B3
B2100
OUT J2103 C3
GND J2104
B2
GND
FM radio
AUDIO(8:0)
UI
PWRONX
TAHVO
CHSWSTAT
1.35V 1.35V
VREF_INT VREF
R2200
R2250
100k
100k
TAHVO, RF part
SLOWAD(6:0)
1
RFTEMP
4 VCHAR
R2417
C2202 C2203 C2204 C2205
1n0 1n0 1n0 1n0
47k
{
GND GND GND GND
DIG_AUDIO(5:0)
CBUS(3:0)
RAPGSM
TXC(2:0)
ACI(1:0)
INT_SIM(5:0)
Battery connector
~4V
X2070
J2070
J2074
VBAT
BSI J2071
GND
R2070 C2071
GND
J2072
27p
14V/50V
J2075
GND
J2076 GND BGND GND
GND
Customer Care / Service & Support Readiness / Content Creation Team
Confidential - Copyright © 2006 NOKIA Only for training and service purposes
R2100
EMIF01-SMIC01F2
GND3 C2100
B1
1n0
33n
to Asic
C2101
C1
GND1
33n
1n0
1n0 2k2 2k2 GND3
R2101
A2
2k2
50R 50R
to Mic
Vbias
1n0 150p 220R
GND2
C2102
2u2
R2206
GND 1k0
R2207
1k0
8 7 6 5
R2202 R2204
1k0 1k0
R2203 R2205
1k0 1k0
2.5V
VANA
C2211
C2210
4u7 1u0
GND
R2201 R2212
C2200
120k
GND
1u0
R2213 470R
R2214
4k7
4k7
Sleepclock oscillator
1
B2200
C2206 C2207
J2222
1n0 1n0
R2216
G2200
2M2
32.768kHz Backup
C2208
GND GND GND C2209
27p
22p
battery
GND
GND GND GND
0 J2200
1 J2201
2 12 J2202
3 J2203
6
7
4 J2204
8
5 J2205
J2206
0
J2207
1
J2209
2
J2210
0
2
J2212
1
J2220
J2221
1 0 15 16
17
0 J2213
J2214
2
1 J2215
C 2 073 C 2 074 C 2 0 7 5 C 2 080 C2281
1u0 10n 27p 27p
1u0
GND GND GND GND GND
GND
C2231 C2232 C2225 C2226 C2227
C2070 C2228 C2230
10U 1u0 1u0 1u0 1u0 1u0 1u0
150u_10V
GND GND GND GND GND GND
GND
Version: 1.0
RETU
D2200
RETU_3.02
K1
Mic1P
3 2 4 5 6 7 1 0
J3
Mic1N
R2208
H1
D3
MicB1 EarP
1k0
D1
EarN
E1
Mic3P
R2209
E2
Mic3N
1k0
E3 J2
Mic3PR Mic2N
J1
D2 Mic3NR Mic2P
F3
E12 XEarL
PwrOnX
F1
XEarLC
K10
ChSwS
G1
XEarR
B10
VCP G3
XEarRC
H2
B11 MicB2
FlyHigh
L12
A12 FlyLow
HookDet
HFSpP B1
G2
C2
MicBCap HFSpN
A2
VibraP
M12
BSI
A1
VibraN
L3
BTemp
C3
M2 VDARx
LS
K2 C2223 C2224
L2 VDATx
LST
10n 10n
M1
RFTemp
F 1 1 GND GND
VRef
F 1 0
VChar
J12
VAna
M3
WTxDet E11
VAux
L9 M11
CrI VDRAM
K9 D12
CrO VIO
L8 G11
VBack VR1
M10 VRFC G12
HV
C9
J11 VSIM2
WDDis
A10
VRCP1
GND
C10
VRCP2
M4
AudClk
L10
TM
GND
D11
Gnd1
A4 GND
EarDaL
K12
Gnd2
B4 EarDaR GND
B8
B5 Gnd3
MicData GND
K6
A3 Gnd4
PMARP GND
A11
C4 GndCP
PMARN GND
B2
GndH
M5 GND
SerClk
L5 K8
SerData RetuInt
K5
SerSelX
C2201
H10
VBG
GND
1u0
M6
TxCClk 0
M8
AFC
L7
TxCCtrl
K7 1
TxC1
L6
TxCDa
M7 2
TxC2
L4
MBusTx
H11 3
K4 MBus
MBusRx
7
L11
HeadDet
A7
C5 VSIM1
SIMClk1
C6 C1 C2212
SIMDa1 VSARx
GND
A5
SIMIOC1 H3 14
VSATx
GND
1u5
F2
MicSub
GND
GND
SIMDaC1 C8
G10
VBat6
C7
SIMClkC1
C11
SIMRstC1
B6
SIMClk2
B9
SIMClkC2
A6
SIMDa2
A9
B7 SIMDaC2
SIMIOC2
D10
SIMRstC2
C12 SIMDetX L1
VBat1
K11
VBat2
A8
VBat3
H12 J2216
K3
VBat4 PURX
F12 M9 J2217
SlClk
VBat5
J2218
B12 E10
RstX
VBatCP
J10 J2219
B3 SleepX
VBatH
3
GND
RM-115 / RM-126 Board version: 1oaa_50
05.04.2006
}
EARP
EAR_P
UI
EARN
EAR_N
C2103 C2104
1n0 1n0
GND GND
L2270
J2115
C2270 C2108
220R/100MHz
L2271
1n0 1n0 J2116
220R/100MHz
C2272
C2271
R2114 R2115
1n0
1n0
14V/50V 14V/50V
GND
GND GND
L2272
R2104
0R
220R/100MHz C2273
L2273
R2105
1n0
0R
220R/100MHz
C2274 C2275
R2109
R2108
1n0 1n0
14V/50V
14V/50V
GND
GND GND
4.7V if RF active
1.8V 2.8V 2.5V
2.5V
1.8V
VRCP2 VRCP1 VSIM2 VRFC VR1 VIO VDRAM VAUX VANA
C2221 C2222 C2220 C2213 C2214 C2215 C2219 C2216
1u0
1u0 1u5
1u5 1u5 1u5 1u5 1u5
GND
GND GND GND GND GND GND GND GND
Depends on SIM 1.8V/3V
VSIM1
SIM connector
R2700
EMIF03-SIM02F2
SIM Reader
X2700
Side
R1
1
R2
2 SIM
R3
3
C2701
C2700
GND
27p 100n
GND GND
0
1
2
3
C2229 C2218
1n0 1n0
GND GND
RETU, SIM, Audio
E2105
L2108
IHF speaker
56nH
L2109
56nH
E2106
System connector
XAUDIO(7:0)
M2100
FM-0035-C1
+ -
M
GND
Vibra
1.35V
VREF_INT VREF
C2217
1u5
RAPGSM
EMINT(1:0)
0
RF part
TXC_CONV(2:0)
System connector,
USB_ACI(7:0)
TAHVO
5
6
7
GND
RAPGSM, TAHVO,
PUSL(7:0)
BT/FM radio
Page 3 (12)