Service Manuals, User Guides, Schematic Diagrams or docs for : NOKIA Mobile Phone Nokia_2125 2125_schematics
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GENIO(31:0) TX_GATE
GENIO(31:0) GENIO(31:0) TX_GATE TX_GATE
SYNTH_LE
SYNTH_LE SYNTH_LE
RX_IF_AGC
RX_IF_AGC RX_IF_AGC
TX_AGC2
TX_AGC2 TX_AGC2
TX_AGC1
TX_AGC1 TX_AGC1
RX_IP
RFCONV(9:0) RFCONV(9:0) RX_IP RX_IP
RX_IN
RX_IN RX_IN
RX_QP
RX_QP RX_QP
RX_QN
RX_QN RX_QN
TX_IP
TX_IP TX_IP
TX_IN
TX_IN TX_IN
TX_QP
TX_QP TX_QP
TX_QN
TX_QN TX_QN
VREFRF
VREFRF VREFRF01
AUXDAC
RFAUXCONV(2:0) RFAUXCONV(2:0) AUXDAC PA_BIAS
PWROUT
PWROUT PWROUT
AFC
AFC AFC
RF_BUS_CLK
RFICCTRL(2:0) RFICCTRL(2:0) RF_BUS_CLK RF_BUS_CLK
RF_BUS_DATA
RF_BUS_DATA RF_BUS_DATA
RF_BUS_EN
RF_BUS_EN RF_BUS_EN
FALSE_DET
SLOWAD(6:0) SLOWAD(6:0) FALSE_DET FALSE_DET
PA_TEMP
PA_TEMP PA_TEMP
PUSL(3:0) PURX
PUSL(3:0) PUSL(3:0) PURX PURX
CLK19M2_UPP CLK19M2_UPP
CLK19M2_GPS CLK19M2_GPS
KEY_UI
SHEET 8-10
cmax
GPS
LCDUI(2:0)
LCDUI(2:0) navigator
KEYB(10:0)
KEYB(10:0) RFCLK_GPS
GENIO(31:0) PUSL(3:0) GENIO(31:0)
PWRONX
PWRONX
UIDRV(5:0)
UIDRV(5:0)
GENIO(31:0)
SLOWAD(6:0)
RFCONV(9:0)
RFAUXCONV(2:0)
RFICCTRL(2:0)
SHEET 5 SHEET 6-7 SHEET 11
AUDIO POWER UPP
wanda cmax
wanda
ACI GENIO(31:0) PWRONX RFCONV(9:0) LCDUI(2:0) CLK19M2_UPP
SHEET 13
MEMORY
XMIC(2:0) UIDRV(5:0) RFAUXCONV(2:0) KEYB(10:0)
wanda
XAUDIO(17:0)
XEAR(3:0) XAUDIO(17:0) XAUDIO(17:0) GENIO(31:0) GENIO(31:0) RFICCTRL(2:0)
AUDIO(6:0) RFCONVCTRL(2:0) GENIO(31:0)
AUDIO(6:0) AUDIO(6:0) RFCONVCTRL(2:0) RFCONVCTRL(2:0) MEMADDA(15:0)
RFCONVDA(5:0) MEMADDA(15:0) MEMADDA(15:0)
RFCONVDA(5:0) RFCONVDA(5:0) MEMAD(24:16)
AUDIODATA(3:0) MEMAD(24:16) MEMAD(24:16)
AUDIODATA(3:0) AUDIODATA(3:0) MEMCONT(9:0)
AUDUEMCTRL(3:0) MEMCONT(9:0) MEMCONT(9:0)
AUDUEMCTRL(3:0) AUDUEMCTRL(3:0)
SLOWAD(6:0) IACCDIF(5:0) JTAG_EMULATION(6:0)
) IACCDIF(5:0) IACCDIF(5:0) JTAG_EMULATION(6:0)
ACCDIF(2:0) PUSL(3:0) DSP_MCUTEST(2:0)
4:0)
CHARGER(4:0)
PUSL(3:0) PUSL(3:0) DSP_MCUTEST(2:0) SHEET 14
SIMIF(3:0)
SIMIF(3:0) EMU
schematic
SHEET 12 JTAG_EMULATION(6:0)
SIM DSP_MCUTEST(2:0)
wanda
SIMIF(3:0)
J2002 J2008
J2001 BSI 0
J2000 J2007
J2005 BTEMP 1
C2000 C2001 C2002 C2003
R2000
10n 47p 10U 47p
47k
GND GND GND GND
SLOWAD(6:0)
GND
CTOR
J2003 J2004 F2000 L2000
VCHAR 0
2
2A 42R/100MHz
K
GND
C2004
V2000 1n0
ESDA18-1F2
A
ACCESSORY REGULATOR
VBAT Thick ground to follow VCHAR trace CHARGER(4:0)
GND
LP3985ITLX-2.8_NOPB
VIN N2000
VOUT VEN 17
C2006 LP3985ITLX
BYPASS
C2007 -2.8_NOPB
1u0 C2008 VFLASH1 GENIO(31:0)
GND R2001
1u0 ACI pull up
100k
10n
R2002 ACI
100k
GND GND GND
L2001 600R/300mA
ACI ACICON R2003 R2003
PRODTP2 PRODTP3 PRODTP7
Vout L2002
VOUT 600R/300mA 2 /2 47R 1 /2 47R
0
Fbus RX
Fbus TX FBUS_RX R2004 R2004
2
FBUS_TX R2006 R2006 2 /2 47R 1 /2 47R
1
C3
C1
A1
A3
2 /2 47R 1 /2 47R
ESDA14V2-4BF2
C2009 C2010 C2011
Z2005
R2007
22p 22p 220k 22p ACCDIF(2:0)
B2 GND
GND GND GND GND
GND
NOTE: PLACE CLOSE TO X2001 AS POSSIBLE
L2003
EXC24CB102U
XMIC_P 1 4 1
XMIC_N 2 3 0
L2004
EXC24CB102U
XEAR_P XMIC(2:0)
1 4 1
XEAR_N 2 3 0
R2008 R2008 R2009 R2009
C2012 C2013 C2014 C2015 XEAR(3:0)
4
2
2
4
3n3 3n3 3n3 3n3
3
1
1
3
? ? ? ?
GND GND GND GND GND GND GND GND
E2000 E2001 E2002 E2003 E2004 E2205 E2006 E2007
C2408
47p ROW0
Soft left Up Down Soft right
GND
GENIO(20)
ROW1
LCDUI(0)
C2403 C2400 C2401 1 4 7 *
LCDUI(1)
47p 100n 100n
LCDUI(2)
ROW2
GND GND GND
C2402
2 5 8 0
GND
ROW3
3
6 9 #
Z2400
EMIF10-1K010F2
KEYB(9) R4 IN1 OUT1 ROW4
KEYB(8) R3 IN2 OUT2 ROW3
KEYB(2) S2 COL2 ROW4
IN3 OUT3
KEYB(7) R2 IN4 OUT4 ROW2
KEYB(1) S1 COL1 COL1
IN5 OUT5
KEYB(5) R0 IN6 OUT6 ROW0
KEYB(10) R5 COL5 COL5
IN7 OUT7
KEYB(6) R1 IN8 OUT8 ROW1
KEYB(3) S3 IN9 OUT9 COL3
KEYB(4) S4 IN10 OUT10
GND COL4
S0
COL2
COL3
COL4
GND
R2403 R2404 R2405 V2400
33R 68R 68R PEMT1
R2406 R2407
150R
D2400 V2401 V2402 V2400
V2401
PEMT1 PEMT1 PEMT1
1PS89SS05 J2420 PEMT1
UIDRV(4) KLIGHT
UIDRV(3) DLIGHT
VIBRA N2400
TK65600B-G R2408
150R D2401 D2402
A2 EN VOUT C1
L2401 C2404
C2 IND VDD B1
VBAT 22uH 1u0
B3 FB AGND A1
VIBRA MOTOR D2403 D2404
POWER SWITCH L2400 D2405
A3 C3 GND
NC PGND
42R/100MHz GND
C2406 S2418 C2405 C2407 R2410
R2411 GND 3k3
22p 100n 1u0
22k
GND GND R2412
GND GND
1k3
V2403
DTC143ZM-T2L OUT
GND IN R1
4k7
R2 47k
GND
V2404
DTC143ZM-T2L
GND
IN R1
4k7
R2 47k
"EARN" R2100 EARN
1 2 /2 5R6
3
1
"MICB1" R2105 R2105
? /2 VWM16V ? /2 VWM16V
4
4
2
R2104
C2102 1 /2 1k0
"MIC1P" R2101 R2103 2x1k0 GND GND
C2105 MICROPHONE CONTACTS
100n
3 1 /2 1k0
2x1k0 2x100n
1 /2 1k0
2x1k0
C2104 Place at B2100
R2102 ? /2 100n
47k 47p AGND1
C2102
"MIC1N" R2101 R2103
2 2 /2 1k0 2 /2 1k0
2x1k0 2x100n 2x1k0
C2100 C2101 ? /2 100n R2104
0) 2 /2 1k0
39p 39p 2x1k0
AGND1 AGND1 AGND1
ACI
0
"HOOKINT"
6
3 "MICB2"
XMIC
R2109 C2110
1 /2 1k0 100n
C2108 2x1k0
4 "MIC2P" 1R2106 2 3R2108 4 AGND1 "XMICP" 1
0
C2106 1 /2 1k0 1/2 100n 1 /2 1k0 C2109
R2107 "XMICN"
39p 47k R2109
47p
2 /2 1k0
AGND1 C2108 2x1k0
5 "MIC2N" 3R2106 4 1R2108 2
AGND1
2 /2 1k0 2 /2 1k0
C2107 2/2 100n
XEAR
39p
"HFCM" AGND1 R2110 "XEARN" 0
2
1 /2 5R6
1
"HF" R2110 "XEARP"
1
2 /2 5R6
IHF
0) AUDIO AMPLIFIER VBAT VBAT VBAT
IHF CONTACTS
Capacitors should be placed near
C2116 C2117 C2118
R2113 L2100
C2111 N150, Audio Amplifier, and connected
180k 240R/100MHz
100n 1u0 22p IHF_P J2104 J2104
2n2 to VBAT & GND pins.
C2112 C2113 N2100
22n 22n GND GND GND
R2111 LM4990ITLX_NOPB
IN- Vo2 L2101
A1 C2 IHF_N J2105 J2105
0) 470R C2115 IN+ Vo1
A3 A2 240R/100MHz
C3 _Shutdwn
Bypass
C1
GND C2114
28 R2112
B1,B2= GND
5k6 1u0 B3= VBAT
GND GND
L2301 R2300
10uH
N2300 C2300
LM3661TLX-1.35V_NOPB
10U
U//U
A2 SGND FB A1
GND
L2300
A3 VDD VSEL B1
42R/100MHz
B3 PVIN ISEL C1
C3 SW SYNC/MODE D1
C2301 C2302
D3 PGND EN D2
100n 10U
GND GND GND GND
PUSL(1)
CHARGER(4:0) UEMCV4.4_WDOG_ENA R2200
4 M9 VCharIn1 VCharOut1 N10
3 P9 VCharIn2 VCharOut2 P10
0R22 C2200 C2201
VBAT L6 VCharInK VCharOutK L9
1u0 10n
M5 TestMode1 PWMO M7
D5 TestMode0
M10 GND GND
VBATREGS
GND P8 L10
VBATBB1 GNDREGS
N9 VBATBB2
N11 P7 GND
VBATBB3 PwrOnX PWRONX VANA VIO VCORE_LIN VFLASH1 VANA
VANA VBACK N14 VBATBB4
B2200 A1 N8
VBATBB5 VANA
32.768kHz M8
VFLASH1
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