1. 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
Service
schematics
Contents
IMPORTANT
1.0 First approved version.
While every effort has been made to ensure that the docu-
ment 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
Version information
This document is intended for use by authorized Nokia servi-
ce centers only. Please use the document together with other
documents such as the Service Manual and Service Bulletins.
Front page
PEARLJ, Charging, SIM, SD card, Keyboard
RAPUYAMA, Display IF, Digital MIC, Touch IF, BT/FM, Camera, Sensor
PEARLJ, USB, AV connector, Audio
Component finder top
Component finder bottom
2
3
4
6
RF part 5
7
1
Nokia Asha 300
RM-781

2. 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
C6101
2u2 27p
C6100
UART_WAKE
UART_TX
UART_CTS
I2S/PCM_CLK
UART_RTS
BT_WAKEUP
I2S/PCM_IN
BTH_CLK_REQ
I2S/PCM_SYNC
UART_RX
FM_ANT
BT_RESETX
I2S/PCM_OUT
SLEEP_CLK
BTHostWakeUp
BTUARTIn
BTRTS
BTCLK
BTCTS
BTWakeUp
BTOUT
BT_CLKREQ
BTSYNC
BTUARTOut
BTResetX
BTIN
SLEEP_CLK
GenIO56
GenIO49
GenIO48
GenIO82
GenIO47
GenIO53
GenIO84
GenIO37
GenIO83
GenIO50
GenIO54
GenIO85
SLEEP_CLK
10n
C6020C6011
0u472u2
C6002 C6012
100n 10n
C6006
2u2
C6019C6004
15p
C6001
2u2
L6002
100nH
H4 UART_WAKE
SLEEP_CLKH5
H6 BT_WAKEUP
I2S/PCM_OUTH7
VDD_DIG F7
VDD_FM G2
G3 CLK_REQ(HOST_WAKE)
I2S/PCM_CLKG5
G6 I2S/PCM_IN
UART_RTSE6
E7 UART_CTS
F1
FM_RX
VREG_ENABLE_RSTF4
F5 I2S/PCM_SYNC
D3
D6 UART_RX
D7
G17
D7
D19
M7
V21
P7
M4
R20
R22
D20
L7
N9
D11 UART_TX
C3VDD_AUX
VDD_BT_RADIO
BT_RF
B1
B2
VDD_BT_LO
B3
VDD_ANA
N6000
A3
SYS_CLK
A4HVREGIN_H
L6003
100nH
C6003
2u2
C6005
2u2
IN
C6007
27p
Z6000
OUT
D3
D0
RDX
D1
D2
DCX
WRX
TE
D6
D5
D4
BC
RESX
D7
C2421
100n
J2420
3
4
5
6
7
8
9
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
X2420
1
10
11
120R/100MHz
L2421
C2420
100n
120R/100MHz
L2420
TS_RESET
XL
XR
YB
YT
I2C2SCL
I2C2SDA
TS_INTJ6011
J6012
J6014
J6013
600R/100MHz
L6100
C6104
1n
C6105
1n
C6103
1n
C6102
1n
X6100
1
2
3
4
C3
D1 SCL
D3 Y-
N6100
VDD/VREF
D2=GND
A2
A3 X+
X- B2AD0
B3 Y+
SDAC1
_RESETC2
_PINTDAVB1
Y9
DISPC_DATA_LCD0
DISPC_VSYNC
Y4
Y7
DISPC_DATA_LCD7
Y8
DISPC_DATA_LCD14
DISPC_DATA_LCD13
W3
W4
DISPC_DATA_LCD16
U3
DISPC_DATA_LCD4
U7
DISPC_DATA_LCD5
AB7
DISPC_DATA_LCD1
AB3
AB4
DISPC_DATA_LCD6
DISPC_DATA_LCD3
RFTemp
N13
DISPC_PCLK
AA7
DISPC_DATA_LCD2
AA9
J2816
J2815
P21
SleepX
N20
PURX
SMPSClk
E21
AC16
SysClk192
0
7
1
5
3
CLK
GenIO27
D15
D16
GenIO28
D2800
0
SIMIOCtrl1
M20
SIMIODa1
M21
L20
SIMClk1
1
I2C2SDA
U15
U16
I2C2SCL
2
J2851
J2852
GenIO16
GenIO86
C2821
100n
C2822
100n
C2823
100n
C2824
100n
C2825
100n
C2826
100n
100n
C2802
VDDH13
VDDA_ACS
F1
GenIO79
N7
100n
C2801
100n
C2800
7
11
8
4
ULPIData2M22
L21 ULPIData4
ULPIClock
K20
K21
ULPIDir
ULPIData3
H21 ULPINxt
ULPIData1J20
ULPIData0J21
H20
ULPIStpG20
E20 ULPIData7
ULPIData6F20
ULPIData5F21
10
9
6
3
0
5
1
2
12 ULPICS GenIO52
6
7
8
VREFN_LINKORXICLK
L4
K3
RXQP_LINKORXIQDA0
K4
TXQN_LINKOTXIQDA1
J3
RXQN_LINKORXIQDA1
J4
RXIP_LINKORXIQDA3
H3
TXQP_LINKOTXIQDA0
IREF_LINKOTXIQDA2
H4
J2
RXIN_LINKORXIQDA2
F4
TXIP_LINKOTXICLK
3
5
2
4
14
0
R2
2 U21 EarDataR
T21
MicData
T22
EarDataL
T20
PMARP
PMARN
R21
AudioClk0
P22
5
3
4
1
0
DigiMICData
DigiMICClk
GenIO39
GenIO72
G23
AC10
V20
VDDA18V7
H9
1u0
C2829
1u0
C2828
VBBNW M15
VDDRAMLDOOUT
M9
C2808 C2809C2805 C2807 C2812C2810 C2811
100n100n100n 100n 100n100n100n 100n
C2814
100n
C2813C2806
100n
C2803
100n
C2804
100n
CCPStrbN0
U14
CCPStrbP0
U13
AA12
T3
G15
L17
E22
L22
G21
H17
U10
U17
AA10
CCPDaP0
AA13
CCPDaN0
J2856
J2803
J2813
Y15
CBusClk
CBusEn1X
AB17
AA16 CBusDa
0
1
2
U11
R1
1
0 ACIRX
ACITX
GenIO31
GenIO32
T17
D13
2
0
4
6
AC20
W20
U22
Y19
AA21
MMCDa3
AC21 MMCDa0
AB19 MMCDa1
MMCClkAB20
MMCCmdAB21
MMCDa2AC19
8
10
3
11
1
5
MMCCmdDir
MMCDaDir0
MMCDaDir1
GenIO70
GenIO69
GenIO11
MMCFbClk
GenIO71
DIF0Da0
DIF0LCDTE
DIF0Da7
DIF0Da6
DIF0Da5
DIF0Da4
DIF0Da2
LCDRstX
DIF0Da1
DIF0Da3
DIF0WRX
DISPC_HSYNC
AA5 DIF0RDX
DIF0A0
GenIO9
1
7
4
6
5
2
0
8
3
ROW0
GenIO26
COL3
COL1
COL2
9
GenIO36Send_key
GenIO2
GenIO1
GenIO24
GenIO58
GenIO59
GenIO60
GenIO61
GenIO62
ROW1
ROW2
ROW3
ROW4
COL0
R2102 100R
R2104 100R
100RR2103
L/R 2
1CLKDATA4
5
3 VDD
J2800
J2801
G3
RFClkP
RFClkN
G2 1
0
TxCClkG12
TxCClk
RFCLKN
RFCLKP
J2805
RFBusClk
P4
RFBusEn1X
N3
RFBusDa
N4 7
6
8
A1,A2,C1,C4,D2,F2,F6,H3=GND
A5,C7,G7,H2=VIO
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
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,
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
B2100
J2820
J2819
J2818
J2817
I2C0SCL
CAM_XSHUTD
CAM_CLK
I2C0SDA
CCP_CLKN_0
CCP_CLKP_0
CCP_DATAN_0
CCP_DATAP_0
C1483
220n
8
9
2
3
4
5
6
7
X1472
1
10
11
12
100n
C1486
L1480
600R/100MHz
C1485
100n
600R/100MHz
L1481
Y10
GenIO3
ProxInt
Y3 MMCCardDetGenIO25
R23
EMInt1
SYS_CLK
100p
C6008
3
5
J6304
J6312
J2207
SPKR_R
E1
E2
SPKR_L
VLED-
VLED+
J2451 1
0
V2420
R2420
2k2
MIC3LPFM_AUDIO_PL
FM_AUDIO_PR MIC3RP
E6350
J6356J6355
J1000
J1100
ANODE1
2=GND
OUT3
N1100
C1001
4u7R1000
100R
L1001
600R/100MHz
4TEST
5VCC
6PROG
C1000
100nE1002
0R
FM_HEADSET_ANT
VIO
RFClkExt(5:0)
AUDIO(13:0)
VBAT_BB
LED(10:0)
VAUX1
VIO
VAUX1
D3000
Combo
memory
on top of
RAPUYAMA
USB(20:0)
DIG_AUDIO(20:0)
ACI(7:0)
CBUS(3:0)
INT_SIM(5:0)
KEYB(15:0)
INT_MMC(13:0)
MMC(15:0)
EMINT(3:0)
VIO
PUSL(15:0)
RFCTRL(11:0)
RFCLK(1:0)
TXC(2:0)
VDigiMic
VIO
VIO
VAUX1
RFCONV(20:0)
VRFC
VCORE
VLED+_KEY
ANT_DET

3. 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
470n
C2051 C2050
27p
2.0A
F2050
V2050
K
A
120R/100MHz
L2050
1Cent
2GND
VCharIn1
T7
R9
VCharIn2
L8
VCharInTest
C2318
4u7
C3206
100p
MMCDET/
1k0
R3205
C2266
2u2
C2077
56p
C2078
56p
VAux1
H13
VR1
E5
C2222
2u2
C2213
2u2
2u2
C2317
C6
VRFC
C2269
2u2
D8
VDigiMic
G7 VRef
VSIM
VSIMK16
VMEM
F16
T13
VCore
P15
VCoreCoil
P16
VCoreCoil
C2231
22u
1uH
L2340
C2268
2u2
C2280
2u2
C3205
100n
C2214
2u2
M3 VDDAudRx3
K1 VDDAudRx1
H2 VDDAudRx2
F2 VDDAudTx
VAna
B7
C2296
2u2
VDD18F10
1uH
C2230
22u
L2310
C15
VIOCoil1
C16
VIOCoil2
A13
VIO
SetCurrKB
N2200
J10
32.768kHz
B2200
B6
CrO
CrI
A6
10k
R2400
B10
PwrOnX
G14
Data1B
Data2B
H14
G15
CMDB
Data3B
J14
K14
ClkB
Data4B
J13
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
C2315
2u2
C2316
2u2
A7 VBg
C7 VRTC
47k
R2080
18V/60V
R2070
BTempP12
-
+
G2200
2.6V
N14 VBack
J2201
J2218
J2220
J2221
J2223
J2236
J2227
J2225
J2219
J2200
J2202
D11
MBusRx
B12
MBusTx
0
1
EMInt
A3 J2211
0
10
11
5
1
2
3
6
8
M14
CMDDir
J11
Data4Dir
Data1A
G10
Data3Dir
E15
CMDA
F13
ClkFB
E13ClkA
E14
C13
D12
Data1Dir
D13
D14
Data4A
Data3A
Data2Dir
Data2A
C14 4
0
1
2
SIMDa
C12
SIMIOC
B13
SIMClk
B14
CBusSelX
P8
CBusClk
N7
CBusData N8
0
1
2
J2212
J2214
J2215
J2210
J2216
J2217
0
5
1
2
3
EarDataR
P3
N2
MicData
N3
AudClk
N4PMARN
N5
EarDataL
PMARP
N1 4
P9
VBUS
R2200
0
1
C2245
2u2
C2314
1u0
V2300
L2300
2u2H
LedOut
M15
SetCurrD
K10
OVVLed
H10
L2314
600R/100MHz
C2313
27p
SenseME4
B3 SenseP
1
2 3
4
X2070
+
2
1
3
BGND
C10
BSI
L2080
28R/100MHz
2u2
C2294
D5 VBatVR1
2u2
C2282
2u2
C2326
VBUSCoil
R11
P10 VBUSSMPSOut
C2249
2u2 2u2
C2329
1uH
L2347
V2310
2u2
C2267
H8 VOut
VAux2G13
2u2
C2271
5
3
G4
G3
FM_AUDIO_PR
FM_AUDIO_PL
MIC3RP
MIC3LP
END
S2577
J2590
47R
R2591V2593
J2592
J2591V2591
V2592 V2590 R2590
47R
7
8
1
4
5
E5
Output9
9E4
Output10
C4
Output6
C5
Output5
D4Output8
D5
Output7
A4
Output2
A5
Output1
B4
Output4
B5
Output3
0
2
6
3
Send_keyE1Input10
SEND
S2579
ROW0
ROW2 B2 Input3
A2 Input1
ROW1 A1 Input2
ROW3 B1 Input4
ROW4 C2 Input5
COL0 C1 Input6
COL1 D2 Input7
COL2 D1 Input8
COL3 E2 Input9
COL0
0 *
2
1
ROW2
ROW3
Message
3
6
Lock Key
7
4
5
ROW3
VOL-VOL+
8
ROW1
#
9
COL1
COL2
ROW45
2
3
5
S2575
S2565
100nH
L2575
L2579
100nH
S2566
S25781
L2576
100nH
3
S2568
L2574
100nH
S2567
3
S2574
4
2
4
L2577
100nH
2
S2572S2571
1
1
2
0
S2573
S2569
0
S2550
1 2
S2570
S2551
1 2
S2553
1 2
1k0
R2576
4
3
1k0
R2579
R2578
1k0
1k0
R2577
L2583
100nH
L2578
33nH
5852L4852L
33nH
L2582
33nH
33nH
L2580
L2581
33nH
33nH
S2576
ROW_BUS(5:0)
COL_BUS(3:0)
Z2501
A3,C3,D3,E3=GND
MMCClk
MMCDa3
MMCDa2
MMCDa1
MMCDa
MMCCmd
VMEM 4
5
6
7
8
SW1
1
Vss
SW2
2
3
X3200
SIMRstCSIMRstC
SIMDaCSIMDaC 5
C5
7=GND
X2700
1
C1
C2
3 C3
100n
L16
L14
H11
C2700
SIMClkCSIMClkC
2
C6018
220n 220n
C6017
MIC3LN
MIC3RN J4
F4 MIC3LN
MIC3RN
MMC(15:0)
VIOVAUX1
INT_MMC(13:0)
DIG_AUDIO(20:0)
EMINT(3:0)
INT_SIM(5:0)
CBUS(3:0)
ACI(7:0)
LED(10:0)
VBAT_BB
VBAT_BB VBAT_BB
VBAT
VBUS
VLED+_KEY
VRFC
VR1
VCORE VDigiMic
AUDIO(13:0)
KEYB(15:0)

4. Confidential Copyright © 2011 Nokia Only for training and service purposes
Page 4 (7) | PEARLJ, USB, AV connector, Audio | Asha 300 RM-781 | Board: 3rya_20a | v1.0 | 26.10.2011
A
C3311
18V/60V
R3303
120R/100MHz
L3300
C=1n0
2k2
25
1k0
2k2
2k0
MicBias
to AS IC
Mic2p
Mic2n
B1
C1
B2
B3
A3 A2 ECI
C2
C3
N2000
100n
C2002
C2001
R2000
100n
220R
C2004
2u2
D3
ID
HeadDet
G6
HookDet
D10
N2200
Mic2N
F3
XearL
K3
XearR
L3
Mic2P G2
MicB2
J3
120R/100MHz
L3307
C2228
2u2
C2281
2u2
C2285
2u2
C2229
2u2
C3306
100n
L10
ID
F3
VBAT
B5
VCC(IO)
B2
VCC(IO)
V3301
11
10
9
12
V3310
REG1V8
CHRG_DETF2
VBUS
F4
XTAL1
F5
D4
PSW
D5
NXT
STP
D6
E3
REG3V3
E5
DIR
E6
DATA6
B6
C1
DM
C3
CHIP_SEL_N
RESET_N
C4
DATA7
C6
D1
DP
A3
A4
CLOCK
A5
DATA4
A6
DATA5
B1
DATA0
B3
CHIP_SEL
B4,C2,C5,D2,E1,E2,E4,F1=GND
D3300
A1
DATA1
DATA2
A2
DATA3
8
7
R3302
1k0
R3307
0R
4u7
C3304
100n
C3303
100n
C3307C3301
4u7
C3300
100n
7
6
5
4
3
2
1
0
N10VBATChacon
USBCharDetX
K9
VBUSCtrl
M4
VBatVAna
D7
J2208
J2207
N11
SMPSClk
SleepX
E3
C4
SleepClk
PURX
A4
J2206
J2213
J2232
J3304
J3303
J3302
J3301
J33000
5
1
3
47k
IN
OUT V3300
4k7
R1
R2
Z3301
B1 B2
Z3300
A1
A2
K
V3303
D-
D+
ID
C3309
100n
F3300
X3300
VBUS
2.0A
15p
220R/100MHz
L2104
L2105
220R/100MHz
IHFSpLP
P4
IHFSpLN
VibraP
VibraN
C2116
56p
C2108
27p
V2108
C2117
56p
220R/100MHz
L2110
L2111
220R/100MHz
+
-
R3
B2104
not_assembled
R2120
18V/60V 18V/60V
R2121
C1
D2
L2113
V2109
L2112
68nH
68nH
+ -
M2100
M
XERL
XERR
HS_MIC
HS_EAR_L
HS_GND
HS_MIC
HS_EAR_L
HS_EAR_R
HS_EAR_R
PLUG_DET
HS_GND
PLUG_DET
22u
C2013
22u
22u
C2153
C2012
22u
C2015
R
Z2000
C
C
R
2A1A
B2
2C1C
6p8
C2020
E2011
1
2
18p
C2011
L2013
68nH
600R/100MHz
L2012
E2013
1
2
L2011
600R/100MHz
L2010
600R/100MHz
MIC
3R
4L
5G
6PL
not_assembled
X2000
1G
2
C2010
18p
R2002
100k
R2004
100k
R2001
100k
R2003
100k
R2008
15R
15R
R2134
R2005
10k
10k
R2006
IMP_50OHM
EarP G1
EarN
K4
L2100
600R/100MHz
R2111
18V/60V
J2100
+
2 -
J2101 not_assembled
B2103
1
600R/100MHz
L2101
R2110
18V/60V
PUSL(15:0)
USB(20:0)
FM_HEADSET_ANT
VAUX2
VBUS
VBAT_BB
VIO

5. Confidential Copyright © 2011 Nokia Only for training and service purposes
Page 5 (7) | RF part | Asha 300 RM-781 | 3rya_20a | v1.0 | 26.10.2011
6
6
7
7
5
4
0
2
3
3
8
8
14
RXDA0
N9
P10
SCLK
P11
SLE
P12
PURX
P13
N10
RXDA2
SDAT
N11
RFSTROBE N12
N5
TXDA1
N6
TXCLK
M13
M5
TXDA0
M6
TXDA2
SYSCR M7
M9
RXDA1
RXDA3
M10
REFOUTM
L13
REFOUTP
REFOUT_EXT1 K13 REFOUT_EXT1
0
1
RXQN/RXDA1
RXQP/RXDA0
VREFN/RXCLK
RXIN/RXDA2
RFBusDa
RFBusClk
RFBusEn1X
RXCLK
RXIP/RXDA3
TXIP/TXCLK
TXQP/TXDA0
TXQn/TXDA1
IREF/TXDA2
RFSTROBE
RFCLKP
RFCLKN
SleepX
PURX 0
TXHM
N1
M1
TXHP
TXLM
L1
TXLP
K1
RFC1
B2
RFC3B3
RFC4B1
A1 RFC5
A3 RFC2
C7566
1p8
C7570
3p9
220n
C7562
1p2
C7597
3k3R7504
C7565
1p8
Vcc2HB
3
RFinLB+
8
RFinLB-
RFoutHB
26
Vcc1HB
2
RFinHB-
30
RFoutLB
19
17
Ibias
RFinHB+
N7510
9
R7503
C7553
470p
R7502
L7522
5n6H
20
Detector
R7546
3k3
R7551
1k8
470p
C7567
Mode
24
21
22
Band
3k3
R7540
3k3
R7545
Vcc1LB
Vcc2LB
11
15
Vreg
5
Vbat
6
C7559
3p9
F13
VREF
100n
C7575
C7509
L7501
DAT_TP4
P5 CLK_T
SLE_T
N4
M11
DXPD
VTX_LOW4K2
VTX_LOW6
J2
J1
VTX_LOW3
H1
VTX_LOW5
H2 VTX_HI1
F2
VTX_LOW1
ADC1E2
D14 VRX_LOW1
INM21
C14
C2
VTX_LOW7
DACOUTB4
A5 ADC2
A7
INPLB1
A8 INMLB1
INPLB2A9
B12
VRX_LOW3
B14
INP21
A10 INMLB2
A11
INP19
INM19
A12
A13
INP18
A14
INM18
A2 VTX_HI2
A4
VTX_LOW2
120R/100MHz
L7513
L7506
2u2H
Z7518
1842.5MHz
Unbal Bal
Bal
2u2
C7516
2p7
C7541
3n9H
L7511
15nH
C7502
100n
5n6H
L7524
L7516
28R/100MHz
C7548
C7549
3p3
3p3
L7512
C7514
470n
C7507
3p9
C7596
1p2
1p8
1p8
C7545
C7543
C7501
100n100n
C7560
3p9
C7571
C7510
C7505
100n
C7523
2u2
1uH
L7503
2p7
C7542
L7508
68p
C7581
K14
VRX_LOW2
J14
VRX_LOW5
L7507
120R/100MHz
VRX_LOW4
D13
120R/100MHz
1p8
1p8
100n
C7504
10n
C7508
C7511
VIO
H4
H5
CB_SMPS
10n
IND_SMPS
G6
IND_SMPS G7
G8IND_SMPS
H1
FB_SMPS
VXO
D2
IND_DCDC
A7
CB_DCDC
E4
B4
B7
IND_DCDC
FB_DCDC
A1
A4 VIO
C7528
10u
120R/100MHz
VDCDCAVDCDC
L7525
6n8H
L7505
L7510
18nH
XRESET
G1
DATA
F1
F2
ENABLE
SCLK
100n
C7540
120R/100MHz
L7509
120R/100MHz
L7526
120R/100MHz
L7527
VHI
H2
C7531
2u2
TXHB
TXLB
LoadHB
LoadLB
RX_HB
AntLB
BAND_II_RX
BAND_II_RX
BAND_I+IV_RX
BAND_I+IV_RX
VHIA
Ctrl1
Ctrl3
Ctrl2
RFC1
RFC3
RFC2
BAND_VIII_RX
BAND_VIII_RX
4n7H
BAND_V_RX
AntHB
BAND_V_RX
Z7513
R7544
3k3
R7552
47RR7550
47R
R7542
3k3
R7541
3k3
3k3
3k3
R7538
100R
3k3
R7509
G2
SMPS_CNTRL
C1
PA_DAC
C4
MUX1
VREF D1
C7529
10n
10u
C7513
OUT_BOOSTE7
OUT_BOOSTE8
INPUT_SMPS
F6
F7 INPUT_SMPS
INPUT_SMPS
F8
OUT_BOOSTE5
E6
OUT_BOOST
FB_BOOST
B1
C7512
5p6
M14
VBOKO
100n
C7500
1n
C7579
28R/100MHz
L7520
C7520
4u7 100n
C7524
100p
C7583
H3
VBB_VRX
D5IND_BOOST
IND_BOOST
D6
D7IND_BOOST
IND_BOOST
D8
CB_BOOST
A8
VBATT
VBATT
B8
VBB_VRX1
A3
A6
1uH
L7504
10n
C7521
E13
VRX_HI1
N7512
A2,A5,B3,B5,B6,C3,C5,C6,C7,C8,D3,D4,
E1,E2,E3,F3,F5,G3,G4,H6,H7,H8=GND
N7509
B7,B13,C3,C4,C5,C6,C7,C8,C9,C10,C11,C12,C13,D2,D3,D4,D5,D6,D7,D8,D9,D10,D11,D12,E3,E4,E5,E6,E7,E8,E9,E10,E11,E12,
F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,G3,G4,G5,G6,G7,G8,G9,G10,G11,G12,H3,H4,H5,H6,H7,H8,H9,H10,H11,H12,J3,J4,J5,J6,J7,J8,
J8,J9,J10,J11,J12,K3,K4,K5,K6,K7,K8,K9,K10,K11,K12,L2,L3,L4,L5,L6,L7,L8,L9,L10,L11,L12,M2,M3,M4,M8,M12,N2,N3,N8,P1,P2,P3,P6,P8=GND
1,4,7,10,12,13,14,16,18,23,
25,27,28,29,31,32=GND
X6403
1COMANT 2
E6404E6404
1COMANT 2
X6402
E6400E6400
C2912
0p5
C2430
27p
R2612
3k3
R6402
0R
R6403
0R E2910
1k0
C2909
1n
C2908
27p
VBG
G14
100n
C7506
G13
DIODE
G1
OUTCP_TX
F14
OUTCP_RX
F1
VC_TX
E14
VC_RX
820p
C7547
560p
C7546
V7502
P9
VDIG
100n
C7503
D1
CID
R7539
680R
P7
VIO
100n
C7539
XINP
P14
N14
XINM
B7500
38.4 MHz
VBAT
VR1
VIO
ANT_DET
PUSL(15:0)
RFClkExt(5:0)
RFCTRL(11:0)
TXC(2:0)
RFCLK(1:0)
RFCONV(20:0)
VIO

6. Confidential Copyright © 2011 Nokia Only for training and service purposes
Page 6 (7) | Component finder top | Asha 300 RM-781 | Board: 3rya_20a | v1.0 | 26.10.2011
Top
L2578 C5 R2111 U5
B2103 V5 L2579 C9 R2577 C2
L2580 C1 R2579 C9
C1000 U7 L2581 C5
C1001 U8 L2582 C9 V2590 D7
L2583 C2 V2591 F7
L1001 U7 L2584 C5 V2592 D4
L2100 U4 L2585 C9 V2593 F4
L2101 U5
L2574 C2 N1100 U7 X2060 U8
L2575 C6 X6100 U3
L2576 C9 R1000 V7
L2577 C1 R2110 U5
B
C
L
V
N X
R

7. Confidential Copyright © 2011 Nokia Only for training and service purposes
Page 7 (7) | Component finder bottom | Asha 300 RM-781 | Board: 3rya_20a | v1.0 | 26.10.2011
Bottom
C1483 T4 C2015 K6 C2116 F3 C2266 I9 C2315 I7 C2803 L4 C2822 I3 C3300 K5 C6003 P7 C6020 P7 C7505 H2 C7523 H8 C7548 F3 C7579 G9 E6401 C7 L2012 Q6 L2340 L7 L7505 H3 L7525 F3 R2104 I8 R2805 L3 R7504 H3 V3303 S7 X3200 N8
A2800 J6 C1484 T4 C2018 P6 C2117 E3 C2267 J9 C2316 I9 C2804 K2 C2823 J2 C3301 K5 C6004 P8 C6100 R2 C7506 F2 C7524 H8 C7549 F3 C7581 F2 E6404 C8 L2013 Q6 L2347 K8 L7506 H8 L7526 F8 R2000 J9 R2120 R4 R2852 L4 R7509 F3 S2550 R1 V3310 J5 X3300 V7
A2801 S8 C1485 T4 C2019 P6 C2153 K6 C2268 I7 C2317 J9 C2805 L3 C2824 L2 C3303 J5 C6005 P7 C6101 R2 C7507 F8 C7528 H9 C7553 G7 C7582 G3 E6405 C7 L2050 S4 L2420 Q9 L7507 F3 L7527 F8 R2001 K6 R2121 R4 R2853 L4 R7538 H7 S2551 N1 V7502 F2 X3310 U3
A6300 P7 C1486 S2 C2020 Q6 C2213 J7 C2269 J9 C2318 K8 C2806 K5 C2825 J2 C3304 J5 C6006 P7 C6102 R2 C7508 G8 C7529 H9 C7559 G7 C7583 F8 L2080 K9 L2421 Q9 L7508 G3 R2002 K6 R2134 K6 R2910 D8 R7539 H3 S2553 K1 X6402 E6
A7501 G3 C1487 T2 C2050 S4 C2214 J7 C2271 J7 C2326 J7 C2807 I5 C2826 I3 C3306 K5 C6007 P7 C6103 R2 C7509 F3 C7531 H7 C7560 F3 C7596 F7 F2050 S4 L2104 R4 L3300 T7 L7509 H7 M2100 R5 R2003 K6 R2200 E9 R3205 N6 R7540 G5 X1000 E4 X6403 D7
A7502 G5 C2001 J9 C2051 R4 C2222 J9 C2280 J7 C2329 K8 C2808 L5 C2828 J2 C3307 J5 C6008 P8 C6104 R3 C7510 F3 C7539 H2 C7561 H5 C7597 F6 F3300 U7 L2105 R4 L3307 J6 L7510 G4 R2004 K6 R2400 I7 R3302 L5 R7541 H4 V2050 S4 X1001 H8
A7503 F9 C2002 J9 C2070 E9 C2228 I9 C2281 K8 C2420 R9 C2809 J5 C2829 K5 C3308 T7 C6011 P8 C6105 R2 C7511 G7 C7540 H5 C7562 F6 L2110 F3 L6002 P7 L7511 G3 N2000 P6 R2005 K6 R2420 O8 R3303 T7 R7542 H4 V2108 F3 X1003 Q6 Z2000 Q6
C2003 K9 C2075 K9 C2229 K7 C2282 K7 C2421 R9 C2810 I2 C2908 D8 C3309 S7 C6012 P7 C6402 D6 C7512 F3 C7541 G3 C7565 F7 D2800 J3 G2200 O6 L2111 F2 L6003 P7 L7512 G3 N2200 J8 R2006 K6 R2576 D8 R3307 J5 R7544 H4 V2109 E3 X1004 L1 Z2501 J5
B2100 D9 C2004 P6 C2076 L9 C2230 I6 C2285 J7 C2430 D8 C2811 I2 C2909 D8 C3310 J5 C6013 Q7 C7500 F2 C7513 G8 C7542 G3 C7566 G7 D3000 J3 L2112 E5 L6100 R2 L7513 H3 N6000 P7 R2008 K6 R2578 E4 R3310 J5 R7545 G5 V2300 K7 X1472 S3 Z3300 R7
B2104 D4 C2010 Q6 C2077 G9 C2231 K7 C2294 J9 C2700 R3 C2812 I4 C2910 D8 C3311 U7 C6014 Q7 C7501 H3 C7514 F7 C7543 G3 C7567 H3 D3300 K5 L1480 S2 L2113 E5 L6351 S2 L7516 F6 N6100 R2 R2070 E7 R2590 H6 R6402 D6 R7546 G5 V2310 L8 X2000 U5 Z3301 Q7
B2200 I8 C2011 Q6 C2078 E8 C2233 M6 C2296 J9 C2800 K2 C2813 L4 C2912 F6 C3312 T7 C6017 P7 C7502 F3 C7516 G7 C7545 G3 C7570 H3 L1481 S4 L2300 K7 L7501 F3 L7520 G9 N7509 G8 R2080 L6 R2591 H4 R6403 D8 R7550 F5 V2420 P8 X2070 E7 Z6000 Q8
B7500 F2 C2012 J6 C2108 R4 C2245 L7 C2313 K6 C2801 J2 C2814 L2 C3205 L9 C6001 P8 C6018 Q7 C7503 H2 C7520 G8 C7546 F3 C7571 H3 E6350 T1 L2010 P6 L2310 I6 L7503 G7 L7522 G7 N7510 G6 R2102 I7 R2612 D8 R7502 G3 R7551 H3 V3300 L5 X2420 R8 Z7513 G5
C2013 K6 C2115 H8 C2249 K8 C2314 J6 C2802 K2 C2821 L4 C3206 N6 C6002 P8 C6019 P8 C7504 H2 C7521 G8 C7547 H2 C7575 G3 E6400 C6 L2011 Q6 L2314 K6 L7504 F8 L7524 G3 N7512 G2 R2103 H7 R2804 L3 R7503 H3 R7552 F5 V3301 L5 X2700 O4 Z7518 F3
A R S
F M
B
L
E
C
X
V
N Z
D G