Nokia 300 RM-781 Schematic
Service
schematics
IMPORTANT
This document is intended for use by authorized Nokia service centers only. Please use the document together with other
documents such as the Service Manual and Service Bulletins.
Nokia Asha 300
RM-781
Version information
While every effort has been made to ensure that the document is accurate, some errors may exist. Please always check
for the latest published version for this document.
If you find any errors in the document please
send email to: service.manuals@nokia.com
1.0 First approved version.
Contents
Front page
RAPUYAMA, Display IF, Digital MIC, Touch IF, BT/FM, Camera, Sensor
PEARLJ, Charging, SIM, SD card, Keyboard
PEARLJ, USB, AV connector, Audio
RF part
Component finder top
Component finder bottom
1
2
3
4
5
6
7
Confidential Copyright © 2011 Nokia Only for training and service purposes
Page 1 (7) | Front page | Asha 300 RM-781 | Board: 3rya_20a | v1.0 | 26.10.2011
VIO
C2800
100n
VAUX1
L1481
600R/100MHz
VIO
L1480
600R/100MHz
USB(20:0)
DIG_AUDIO(20:0)
CBUS(3:0)
INT_SIM(5:0)
KEYB(15:0)
INT_MMC(13:0)
C2801
C2803
100n
100n
ACI(7:0)
C2804
100n
C1485
100n
C1486
100n
C1483
220n
100n
8
9
10
11
0
1
2
3
4
5
6
7
12 ULPICS
1
2
3
0
4
5
0 ACIRX
1
ACITX
0
1
2
1
CLK
2
0
ROW0
0
ROW1
1
ROW2
2
ROW3
3
ROW4
4
COL0
5
6
COL1
7
COL2
8
COL3
9
Send_key
10
2
0
4
6
8
15MMCCmdDir
3
MMCDaDir0
MMCFbClk
11
MMCDaDir1
VCORE
C2821
100n
X1472
1
2
3
CAM_XSHUTD
4
CAM_CLK
I2C0SCL
5
6
I2C0SDA
7
CCP_CLKN_0
8
9
CCP_CLKP_0
10
11
CCP_DATAN_0
12
CCP_DATAP_0
C2822
C2823
100n
C2824
100n
100n
C2808 C2809C2805 C2807 C2812C2810 C2811
C2825
100n
J2813
J2852
J2851
J2820
J2819
J2818
J2817
VRFC
C2802
100n
C2826
100n
D2800
AA13
AA12
PUSL(15:0)
BT_RESETX
BT_WAKEUP
BTH_CLK_REQ
UART_RTS
UART_TX
UART_RX
UART_CTS
I2S/PCM_CLK
I2S/PCM_IN
I2S/PCM_OUT
I2S/PCM_SYNC
UART_WAKE
SLEEP_CLK
R1
GenIO16
U11
GenIO86
D16
GenIO28
D15
GenIO27
U13
CCPStrbN0
U14
CCPStrbP0
CCPDaN0
CCPDaP0
D3000
Combo
memory
on top of
RAPUYAMA
SLEEP_CLK
SysClk192
GenIO54
GenIO53
GenIO37
GenIO47
GenIO49
GenIO50
GenIO48
GenIO82
GenIO84
GenIO85
GenIO83
GenIO56
SMPSClk
PURX
SleepX
D20
D19
V21
R20
D11
N9
R22
P7
M4
M7
L7
G17
D7
AC16
E21
N20
P21
J6312
J2207
J2803
BTResetX
BTWakeUp
BT_CLKREQ
BTCTS
BTUARTIn
BTUARTOut
BTRTS
BTCLK
BTOUT
BTIN
BTSYNC
BTHostWakeUp
SLEEP_CLK
1
7
5
0
3
F4
H6
G3
E6
D7
D6
E7
G5
G6
H7
F5
H4
H5
ANT_DET
N7
K20
ULPIClock
K21
ULPIDir
H21
ULPINxt
G20
ULPIStp
J21
ULPIData0
J20
ULPIData1
M22
ULPIData2
H20
ULPIData3
L21
ULPIData4
F21
ULPIData5
F20
ULPIData6
E20
ULPIData7
G23
GenIO52
T20
EarDataL
U21
EarDataR
T22
MicData
P22
AudioClk0
T21
PMARP
R21
PMARN
T17
GenIO31
D13
GenIO32
Y15
CBusClk
AA16
CBusDa
AB17
CBusEn1X
L20
SIMClk1
M20
SIMIOCtrl1
M21
SIMIODa1
L17
GenIO58
E22
GenIO59
L22
GenIO60
G21
GenIO61
H17
GenIO62
U10
GenIO2
T3
GenIO26
AA10
GenIO24
U17
GenIO1
G15
GenIO36
AB20
MMCClk
AC21
MMCDa0
AB21
MMCCmd
AB19
MMCDa1
AC19
MMCDa2
AC20
MMCDa3
AA21
GenIO70
Y19
GenIO69
U22
GenIO71
W20
GenIO11
F1
VDDA_ACS
H13
VDD
H9
VDDA18V7
A4,A5,A7,A9,A10,A12,A15,A16,A17,A18,A21,AA1,AA15,AA23,AC5,AC6,AC7,AC8,AC13,AC15,B3,B19,C12,C18,
C18,C23,D1,D8,D9,D12,D18,D23,E1,E3,E23,F23,G10,H1,H7,H23,J1,K1,L1,N2,N21,P1,T1,T2,U1,V23,Y23=VIO
H14,H15,J8,J9,J10,J11,J12,J15,J16,K8,L8,L16,M8,M16,N8,N15,P8,R8,R9,R11,R12,R13,R14,R15,R16,T8,T9,T10,T12,T15=VCORE
C2814
C2813C2806
100n100n100n 100n 100n100n100n 100n
A13,AA2,AA14,AA20,AA22,AB2,AB5,AB8,AB10,AB13,AC4,AC12,B4,B5,B7,B8,B10,B12,B15,B18,B22,C9,C10,C15,C16,
100n
C17,C19,C21,C22,D17,D17,D21,E2,F2,F22,G1,G8,G16,H2,H8,H10,H11,H16,H22,J13,J14,K2,K9,K15,K16,K22,L2,L9,L15,M1,
N16,P2,P9,P15,P16,P20,R10,T11,T14,T16,U2,U23,Y12=GND
GenIO79
RFClkP
RFClkN
TXQP_LINKOTXIQDA0
TXQN_LINKOTXIQDA1
IREF_LINKOTXIQDA2
TXIP_LINKOTXICLK
RXQP_LINKORXIQDA0
RXQN_LINKORXIQDA1
RXIN_LINKORXIQDA2
RXIP_LINKORXIQDA3
VREFN_LINKORXICLK
RFBusClk
RFBusDa
RFBusEn1X
TxCClk
DISPC_HSYNC
DISPC_DATA_LCD16
DISPC_PCLK
DISPC_VSYNC
GenIO9
DISPC_DATA_LCD7
DISPC_DATA_LCD6
DISPC_DATA_LCD5
DISPC_DATA_LCD4
DISPC_DATA_LCD3
DISPC_DATA_LCD2
DISPC_DATA_LCD1
DISPC_DATA_LCD0
RFTemp
I2C2SCL
I2C2SDA
DISPC_DATA_LCD14
DISPC_DATA_LCD13
VBBNW
VDDRAMLDOOUT
GenIO25
EMInt1
GenIO3
GenIO39
GenIO72
G3
G2 1
H3
J3
H4
F4
K4
J4
J2
K3
L4
P4
N4
N3
AA5 DIF0RDX
W4
AA7
Y4
R2
Y7
AB4
U3
U7
AB7
AA9
AB3
Y9
N13
U16
U15
Y8
W3
M15
M9
Y3 MMCCardDet
R23
Y10
J2800
J2801
J2805
J2816
J2815
J6014
J6013
J6011
J6012
C2829
RFCLKP
RFCLKN
TxCClkG12
DIF0LCDTE
DIF0WRX
DIF0A0
LCDRstX
DIF0Da7
DIF0Da6
DIF0Da5
DIF0Da4
DIF0Da3
DIF0Da2
DIF0Da1
DIF0Da0
I2C2SCL
I2C2SDA
TS_INT
TS_RESET
1u0
C2828
1u0
X6100
1
XR
2
YT
3
YB
XL
4
MMC(15:0)
EMINT(3:0)
ProxInt
VDigiMic
V20
AC10
J2856
DigiMICData
DigiMICClk
0
2
3
8
0
6
7
5
4
14
6
7
8
C6105
1n
R2104 100R
R2102 100R
100RR2103
C6104
1n
RFCLK(1:0)
RFCONV(20:0)
RFCTRL(11:0)
TXC(2:0)
C61031nC6102
1n
VIO
C2420
100n
L2421
120R/100MHz
C6101
2u2 27p
VAUX1
L2420
120R/100MHz
SCL
SDA
_PINTDAV
_RESET
XYY+
X+
3
VDD
4
N6100
D2=GND
B2100
VDD/VREF
5
B2
AD0
A2
2
L/R
1
CLKDATA
D1
C1
B1
C2
C3
D3
B3
A3
N6000
VREG_ENABLE_RST
BT_WAKEUP
CLK_REQ(HOST_WAKE)
UART_RTS
UART_TX
UART_RX
UART_CTS
I2S/PCM_CLK
I2S/PCM_IN
I2S/PCM_OUT
I2S/PCM_SYNC
UART_WAKE
SLEEP_CLK
A1,A2,C1,C4,D2,F2,F6,H3=GND
A5,C7,G7,H2=VIO
C2421
100n
L6100
600R/100MHz
C6100
J1100
J1000
SPKR_L
SPKR_R
SYS_CLK
HVREGIN_H
VDD_FM
VDD_DIG
VDD_AUX
VDD_ANA
VDD_BT_LO
VDD_BT_RADIO
J2420
VIO
BT_RF
FM_RX
RDX
TE
WRX
DCX
RESX
D7
D6
D5
D4
D3
D2
D1
D0
BC
Z6000
B1
E2
E1
A3
F1
J6304
SYS_CLK
FM_ANT
IN
FM_AUDIO_PL
FM_AUDIO_PR MIC3RP
C6008
100p
C6007
27p
L6002
100nH
OUT
MIC3LP
3
5
L6003
100nH
E6350
J6356J6355
AUDIO(13:0)
RFClkExt(5:0)
FM_HEADSET_ANT
VIO
A4
G2
F7
C3
B3
B2
D3
C6002 C6012
15p
X2420
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
VLED+
21
VLED-
22
23
24
25
C6003
0u472u2
2u2
VLED+_KEY
J2451 1
C6005
2u2
R2420
2k2
C6020C6011
10n
VBAT_BB
V2420
C6001
2u2
0
C6019C6004
100n 10n
2u2
C6006
LED(10:0)
VAUX1
N1100
3
OUT
1
ANODE
2=GND
PROG
TEST
5
VCC
6
E1002
4
0R
R1000
100R
C1000
100n
L1001
600R/100MHz
C1001
4u7
Confidential Copyright © 2011 Nokia Only for training and service purposes
Page 2 (7) | RAPUYAMA, Display IF, Digital MIC, Touch IF, BT/FM, Camera, Sensor | Asha 300 RM-781 | Board: 3rya_20a | v1.0 | 26.10.2011
BGND
1Cent
2GND
X2070
+
1
2
3
18V/60V
2.0A
F2050
C2213
2u2
C2249
2u2
C6018
220n 220n
R2070
120R/100MHz
R2080
47k
L2050
VR1
VCORE
L2347
1uH
C6017
+
-
V2050
C2222
2u2
C2231
22u
C2294
2u2
G2200
2.6V
C2078
56p
VIOVAUX1
VRFC
K
A
C2266
C2282
2u2
C2316
2u2
C2271
2u2
VBAT
C2051 C2050
470n
VBUS
C2230
22u
VDigiMic
2u2
V2310
MIC3RN
MIC3LN
C2077
56p
C2269
2u2
C2267
2u2
C2296
2u2
C2326
2u2
C2315
2u2
27p
L2080
28R/100MHz
R2200
1
2 3
C2318
32.768kHz
C2268
2u2
4u7
B2200
C2329
2u2
C2317
2u2
BSI
SenseP
SenseM
VCharIn2
VCharIn1
VCharInTest
CrI
CrO
VBUS
VAux1
VR1
VIO
VDD18
VIOCoil2
VIOCoil1
VCoreCoil
VCoreCoil
VCore
VRFC
VDigiMic
VBUSCoil
VBUSSMPSOut
VBatVR1
BTemp
VBack
VRTC
VBg
VRef
MIC3RN
MIC3LN
VAux2
VOut
VAna
VDDAudTx
VDDAudRx1
VDDAudRx2
VDDAudRx3
N2200
Data3B
Data4B
CMDB
VMEM
Data1B
Data2B
VSIM
SetCurrKB
SetCurrD
OVVLed
LedOut
PwrOnX
EMInt
MBusRx
MBusTx
AudClk
EarDataL
EarDataR
MicData
PMARP
PMARN
MIC3RP
MIC3LP
CBusClk
CBusData
CBusSelX
SIMDa
SIMClk
SIMIOC
CMDA
CMDDir
Data1A
Data1Dir
Data2A
Data3A
Data4A
ClkFB
Data2Dir
Data3Dir
Data4Dir
J14
J13
G15
F16
K14
ClkB
G14
H14
L16
L14
H11
K16
J10
K10
H10
M15
B10
A3 J2211
D11
B12
N3
N5
P3
N2
N1
N4
G4
G3
N7
N8
P8
C12
B14
B13
E15
M14
G10
D13
C14
C13
D14
E13
ClkA
F13
D12
E14
J11
C2314
1u0
J2227
J2225
J2212
J2214
J2215
J2210
J2216
J2217
J2201
J2200
J2202
J2218
J2219
J2220
J2221
J2223
J2236
C2280
2u2
C3205
100n
C2214
2u2
V2592 V2590
J2592
V2593
600R/100MHz
V2300
FM_AUDIO_PR
FM_AUDIO_PL
SIMDaCSIMDaC 5
SIMClkCSIMClkC
SIMRstCSIMRstC
VSIM
L2314
L2300
2u2H
VBAT_BB
C10
4
B3
E4
R9
T7
L8
A6
B6
P9
H13
E5
A13
L2310
L2340
F10
C16
C15
1uH
P15
P16
1uH
T13
C6
D8
R11
P10
D5
P12
N14
C7
A7
G7
J4
F4
G13
H8
B7
F2
K1
H2
M3
A2,A10,B2,B4,B5,B8,C2,C5,C11,D3,D6,D15,D16,E2,F1,F7,F14,G11,G16,H4,H7,J8,J9,K7,
K8,K11,K13,L7,L9,L15,M13,N12,P7,P13,P14,R4,R6,R14,R15,R16,T
,A1,A14,A15,A16,B1,B9,B15,B16,D1,F8,F15,H15,J15,K15,L13,N10,N15,N16,P5,P6,P11,R7,R8,T3,T10=VBAT_BB4,T11,T14,T15,T16=GND
C2700
100n
V2591
0
1
0
1
2
3
4
5
5
3
0
1
2
0
1
2
0
1
2
3
4
6
8
10
11
5
C2313
27p
MMC(15:0)
1
2
3
J2590
J2591
X2700
C5
C1
C2
C3
7=GND
VLED+_KEY
R2590
47R
R2591
47R
1
0
LED(10:0)
VBAT_BB VBAT_BB
C2245
2u2
EMINT(3:0)
ACI(7:0)
DIG_AUDIO(20:0)
AUDIO(13:0)
CBUS(3:0)
INT_SIM(5:0)
INT_MMC(13:0)
R2400
10k
MMCDa2
MMCDa3
MMCCmd
VMEM
MMCClk
MMCDa
MMCDa1
MMCDET/
END
S2577
R3205
1k0
C3206
100p
X3200
1
2
3
4
5
6
7
8
SW1
Vss
SW2
COL2 D1
COL1 D2
COL0 C1
COL3 E2
ROW4 C2
ROW3 B1
ROW2 B2
ROW1
ROW0
1 2
A1
A2
VOL+
S2550
Input8
Input7
Input6
Input9
Input5
Input4
Input3
Input2
Input1
Z2501
A3,C3,D3,E3=GND
VOL-
S2551
1 2
Output1
Output2
Output3
Output4
Output5
Output6
Output7
Output8
Output9
Output10
Input10
Lock Key
S2553
1 2
COL_BUS(3:0)
KEYB(15:0)
0
A5
1
A4
2
B5
3
B4
4
C5
5
C4
6
D5
7
D4
8
E5
9
E4
ROW_BUS(5:0)
1
2
3
4
5
4
ROW3
3
0
1
2
2
ROW1
3
ROW2
4
ROW3
3
2
1
0
ROW45
COL2
1k0
R2577
1k0
R2578
1k0
R2579
S2579
L2577
100nH
L2578
100nH
L2579
100nH
SEND
Send_keyE1
Message
S2578
L2580
33nH
L2581
33nH
L2582
33nH
R2576
3
S2565
6
S2568
9
#
S2574
L2574
L2583
100nH
33nH
1k0
COL1
L2575
100nH
2
S2566
5
S2569
8
S2572S2571
0 *
S2575
33nH
COL0
L2576
100nH
1
S2567
4
S2570
7
S2573
S2576
5852L4852L
33nH
Confidential Copyright © 2011 Nokia Only for training and service purposes
Page 3 (7) | PEARLJ, Charging, SIM, SD card, Keyboard | Asha 300 RM-781 | Board: 3rya_20a | v1.0 | 26.10.2011
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