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Samsung SGH-2400 Service Manual Download Page 26

5-2

Schematic Diagrams

5-2  Radio 

+VBATT

RXGSMIN

RXGSMIN

TXGSM

QRXP

RXL01GSM

ANT

VMID

QTX1

DCSTX2

GSMTX2

TXGSM

+3VPLL

+3VX

TXDCS

+3VLO1

+3VLO2

SYNEN

TXDCS

+3VTX

+3VMD

RXL01GSM

RXL02

RXEN_FEGSM

ITX1

TXL01

CLK13M

_BANDSEL

+3VDEMOD

+3VLNADCS

+3VTX

TXEN1

RXDCSIN

RXL02

TXL02

RXEN_FEDCS

RXL03

SYNDATA

AFC

TXL01

RXL01DCS

DEMODEN

QTX

+3VLNAGSM

RXL01DCS

DCSTX1

VAGC

RXL03

SYNCLK

TXL02

TXPOWER

GSMTX1

+3VMD

+3VDC

IRXP

RXDCSIN

TXEN2

ITX

BANDSEL

TXEN1

GSMTX2

DCSTX2

ANT

+VBATT

+3VTX

BANDSEL

_BANDSEL

SYNDATA

ITX

QTX

SYNCLK

AFC

SYNEN

ITX1

QTX1

VAGC

RXEN_FEDCS

RXEN_FEGSM

DEMODEN

CLK13M

DCSTX1

GSMTX1

+3VMD

+3VLO1

+3VDC

+3VDEMOD

+3VLNADCS

+3VPLL

+3VLO2

+3VLNAGSM

+3VX

QRXP

IRXP

VMID

TXPOWER

TXEN2

TXEN1

Summary of Contents for SGH-2400

Page 1: ...hone SGH 2400 2ABC 3DEF 1 5JKL 6MNO GHI 4 8TUV 9WXYZ PQRS 7 0 Manual DUAL BAND Mobile Cellular Phone CONTENTS 1 Exploded Views and Parts List 2 Electrical Parts List 3 Block Diagrams 4 PCB Diagrams 5 Schematic Diagrams 6 Troubleshooting ...

Page 2: ...Samsung Electronics Co Ltd Printed in Korea 11 1999 Rev 1 0 GH68 00844A ELECTRONICS ...

Page 3: ...Exploded Views and Parts List 1 1 1 Exploded Views and Parts List 1 1 Main 1 2 3 4 5 7 6 8 13 14 22 24 25 35 36 37 38 39 40 23 17 18 19 20 9 10 11 12 26 27 28 29 31 30 32 33 34 15 16 21 ...

Page 4: ... 11 LCD 1 12 LCD FRAME 1 13 RUBBER BUZZER 1 14 SUPPORT BUZZER 1 15 SUPPORT SPK 1 16 SUPPORT CON 1 17 KEY PCB 1 18 HOLDER MIC 1 19 SPONGE MIC 1 20 SHIELD FRAME 1 21 JACK COVER 1 22 PCB 1 23 COVER CONNECTOR 24 EAR COVER 25 REAR COVER 1 26 MOTOR 1 27 TAPE MOTOR 1 28 ANT BRAKET 1 29 ANTENNA 1 30 RUBBER CAP 1 31 SIM COVER 1 32 SPRING SIM 1 33 SPRING LOCKER 1 34 LOCKER MAIN 1 35 SCREW MACHINE 1 36 MAIN ...

Page 5: ...Exploded Views and Parts List 1 3 NO DESCRIPTION SEC CODE Q TY REMARK 39 EXT BATT 40 ULTRA EXT BATT ...

Page 6: ...Exploded Views and Parts List 1 3 Travel Adapter 1 4 Travel Adapter Parts List TYPE SEC CODE REMARK A GH96 01143A CHINA B GH96 01146A EUROPE C GH96 01095A UNITED KINGDOM 1 4 A B C ...

Page 7: ...1 5 1 5 Desk Top Charger SEC CODE GH44 00090A Exploded Views and Parts List 1 9 10 11 6 7 8 2 3 4 5 ...

Page 8: ...6 Desk Top Charger Parts List NO DESCRIPTION SEC CODE Q TY REMARK 1 UPPER CASE 1 2 HANGER SPRING L 1 3 SCREW TAPPING 4 4 HANGER SPRING R 1 5 SCREW TAPPING 3 6 BATT HOUSING 1 7 PCB 1 8 LOWER BASE 1 9 SCREW TAPPING 4 10 BUMPON 4 11 LABEL 1 ...

Page 9: ...Exploded Views and Parts List 1 7 Ciger Light Adapter 1 7 1 8 Ciger Light Adapter Parts List DESCRIPTION SEC CODE REMARK Ciger Light Adapter Code GH44 00040A BLACK ...

Page 10: ...Exploded Views and Parts List 1 8 1 9 Hands Free Kit SEC CODE GH96 00800A Phone Yellow Ignition Micro Phone White Stereo Mute Red Vehicle Battery Black GND ...

Page 11: ...1 9 Exploded Views and Parts List 1 10 Test Jig 1 11 Earphone TEST JIG GH80 10508A DATA CABLE GH39 30532A EARPHONE GH96 00830A ...

Page 12: ... Q500 0505 000110 FET SILICON 60V 115mA 200mW U501 U502 0505 001131 FET SILICON 12V 500mA 690mohm Q950 Q957 0505 001332 FET SILICON Q600 0506 000173 TR ARRAY NPN 80mW SOT 363 U128 U252 U302 U303 U400 U403 U412 U813 0506 001004 TR ARRAY NPN PNP 50V 100mA LED100 0601 000276 LED CHIP U902 U903 0801 000022 IC CMOS LOGIC NANDGATE SOP 5P U900 U901 U904 U906 0801 000794 IC CMOS LOGIC ANDGATE SOT 25 5P U9...

Page 13: ...TP 1005 R309 R609 2007 000142 R CHIP 2 7Kohm 5 1 16W DA TP 1005 R351 2007 000143 R CHIP 4 7Kohm 5 1 16W DA TP 1005 R606 R628 2007 000145 R CHIP 6 2Kohm 5 1 16W DA TP 1005 R603 2007 000146 R CHIP 6 8Kohm 5 1 16W DA TP 1005 R104 R152 R205 R210 R232 R235 R238 R253 R256 R363 R418 R419 R605 R630 R637 R906 R907 R952 R962 R963 2007 000148 R CHIP 10Kohm 5 1 16W DA TP 1005 R984 R985 R996 R255 R300 2007 000...

Page 14: ...07001 R CHIP 3 9Kohm 5 1 16W DA TP 1005 R521 2007 007090 R CHIP 11Kohm 5 1 16W DA TP 1005 R510 2007 007095 R CHIP 390ohm 5 1 16W DA TP 1005 R362 2007 007096 R CHIP 160ohm 5 1 16W DA TP 1005 R132 R137 R259 2007 007107 R CHIP 100Kohm 1 1 16W DA TP 1005 R265 2007 007133 R CHIP 300ohm 1 1 16W DA TP 1005 R261 2007 007135 R CHIP 18K 1 1 16W DA TP 1005 R434 R619 R900 R903 R905 2007 007137 R CHIP 1 2Kohm ...

Page 15: ...CHIP 33nF 10 25V TP 1608 C302 C306 C319 2203 000812 C CHIP 33pF 5 50V TP 1005 C610 2203 000836 C CHIP 390pF 10 50V TP 1005 C325 2203 000854 C CHIP 39pF 5 50V TP 1005 C304 C357 C810 C819 C862 C867 2203 000940 C CHIP 470pF 10 50V TP 1005 C321 C350 C353 C377 C647 2203 001017 C CHIP 4pF 5 50V TP 1005 C1004 2203 001033 C CHIP 5 6nF 10 25V TP 1005 C518 C519 2203 001072 C CHIP 56pF 5 50V TP 1005 C165 C16...

Page 16: ...10uF 6 3V 20 TP 2012 C860 C861 C868 C873 2404 001152 Cap Tantal 220uF 20 6 3V C953 2404 001162 Cap Tantal 47uF C253 2404 001164 Cap Tantal 10uF 20 16V L126 L128 2703 000217 Inductor 470uH 10 2012 L127 L129 2703 001071 Inductor 330uH 10 2012 L302 2703 001172 Inductor 100nH 5 1608 L401 2703 001174 Inductor 33nH 5 1608 L607 2703 001178 Inductor 3 3nH 0 3nH 1005 L327 2703 001179 Inductor 10nH 5 1005 L...

Page 17: ... 5MHz F200 F201 3301 001208 Core Ferrite Bead J100 3709 001121 SIM CONNECTOR 6P 2 54mm SMD S M950 3710 001105 CONNECTOR SOCKET 2P 1 27mm SMD S J176 3710 001302 I F Connector 18P 0 5mm J151 3710 001428 BTB Connector 24P 0 5mm J901 3722 001380 Earphone jack 6P U405 4709 001174 Directional Coupler 890 915 1710 1785MHz R360 R359 R604 R615 R632 R989 R990 C130 C138 C176 SOT NC C370 C380 C367 C369 C535 C...

Page 18: ...K STANDARD BATTERY GH43 00143A 750mAh GREY STANDARD BATTERY GH43 00143B 750mAh BLACK EXTENDED BATTERY 1000mAh GREY EXTENDED BATTERY 1000mAh BLACK ULTRA EXTENDED BATTERY 1600mAh GREY ULTRA EXTENDED BATTERY 1600mAh BLACK DATA KIT GH96 00774A SGH 2400 DATA KIT HFK HANDS FREE KIT EAR PHONE GH96 00830A EAR PHONE ...

Page 19: ...W SAW BPF 246MHz F300 Dip RXLO1DCS 2051 2 2125 8MHz BANDSEL DEMODEN EGSM 1171 2 1216MHz EGSM 493 518MHz DCS 498 519MHz DCS 310 8MHz GSM 295 8MHz DCS 2019 2 2125 8MHz PLLEN TXEN1 QRXP IRXP VMID RXLO3 13MHz TXEN1 DCSTX1 TXEN1 GSMTX2 DCSTX2 GSMPAM U402 GSMTX1 Dip BPF Mod QTX REF 13MHz QTXI ITX ITXI VCO LPF PDF U500 1 5 BPF 1 3 VCO X501 X500 DUAL PLL DUAL VCO VCO X2 Ref Osc BPF U301 RXLO1GSM 1171 2 12...

Page 20: ... SIM Card B B Interface POWER Circuit GSM DCS RF interface Serial Data Interface 3V SIM Card 5V SIM Card Battery Voltage Battery Temperature GSM PLL 3V Tx AVCC RF PSU Multi Switch Array I O Interface A D Interface I O BB Filter PLL GSM DCS VOCODER Memory Charging Circuit Li_lon Battery 3 6V GSM DCS KERNEL 5 DCS PLL GSM Tx DCS Tx GSM PSU DCS PSU ...

Page 21: ... Diagrams 3 3 Travel Adapter EMI FILTER CIRCUIT FIRST RECTIFIRE ISOLATION POWER TRANSFORMER ISOLATION OPTO COUPLER O C P POWER SWITCHING MOS FET FEED BACK P W M CONTROL SECOND RECTIFIRE FILTER AC INPUT DC INPUT ...

Page 22: ... UVLO Overcurrent Protector 2nd Regulator Reference Voltage Overheat Protector Feed Back LED MPU Filter FET Switch INPUT 9V DC FRT 4 1V FET Switch REAR 4 1V Static Current Circuit Static Voltage Circuit Battery Type Detector Charge Voltage Detector Charge Voltage Selector ...

Page 23: ...4 1 PCB Diagrams 4 PCB Diagrams 4 1 Main Top ...

Page 24: ...4 2 4 2 Main Bottom PCB Diagrams ...

Page 25: ...CC VBATT 3VLNAGSM 3VLO1 3VLO2 3VMD 3VPLL RF_ON_OFF STARTUP_VOLTS SYNDATA _RESET AFC STARTUP_VOLTS ANT BANDSEL DCSTX2 GSMTX1 TXPOWER _BANDSEL 3VDEMOD 3VLNAGSM 3VLO2 3VPLL 3VX IRXP DCSTX1 DEMODEN TXEN2 ITX POWER_ON QTX 3VTX 3VX SYNCLK VBATT SYNEN AFC 3VDC ANT BANDSEL AVCC CLK13M 3V_RTC RF_ON_OFF RXEN_FEGSM SYNCLK SYNEN DCSTX2 GSMTX1 IRXP ITX1 QTX RXEN_FEDCS VMID _BANDSEL _RESET DCSTX1 3VBB 3VLNADCS ...

Page 26: ...TX TXEN1 RXDCSIN RXL02 TXL02 RXEN_FEDCS RXL03 SYNDATA AFC TXL01 RXL01DCS DEMODEN QTX 3VLNAGSM RXL01DCS DCSTX1 VAGC RXL03 SYNCLK TXL02 TXPOWER GSMTX1 3VMD 3VDC IRXP RXDCSIN TXEN2 ITX BANDSEL TXEN1 GSMTX2 DCSTX2 ANT VBATT 3VTX BANDSEL _BANDSEL SYNDATA ITX QTX SYNCLK AFC SYNEN ITX1 QTX1 VAGC RXEN_FEDCS RXEN_FEGSM DEMODEN CLK13M DCSTX1 GSMTX1 3VMD 3VLO1 3VDC 3VDEMOD 3VLNADCS 3VPLL 3VLO2 3VLNAGSM 3VX Q...

Page 27: ...3 9nF C609 3VPLL C601 10nF R622 22K 2 7nH L603 100nF C634 10nF C622 6 2K R606 R655 1 8K C602 3pF 1nF C637 2 7nH L606 R617 120 200 R613 1uF C669 C617 22pF 100 R621 C623 100pF 10nF C605 1nF C641 27pF C632 10K R637 2 2K R640 18 R627 R619 1 2K_1 3VLO2 SOT R604 C624 1nF C625 150pF C608 100nF 10nF 22nH L602 C629 0 R647 R601 10 BFS17W 10K R605 C639 Q604 27pF 100pF 4 7pF C603 C628 10 R602 180K R643 10 R63...

Page 28: ... 82nH 12pF C310 GND2 4 GND3 6 GND4 IN 2 OUT 5 6pF C315 MI MIX 12 MO 5 MOX 6 13 STB VCC 7 B4703 FILTER F301 1 GND1 3 MIXER U305 2 AI 15 AO 1 AREF 16 GC GND1 3 GND2 4 14 GND3 GND4 10 9 LO LOX 8 11 L305 8 2nH SOT C369 180 0 R312 R311 0 R361 33pF C306 3VLNADCS C374 22pF R363 10K C367 SOT 7 OUT R 8 12nH L308 F300 B4818 10 COIL GND1 3 GND2 4 GND3 6 GND4 9 GND5 12 IN 1 IN R 2 OUT FILTER B4693 F304 GND 1 ...

Page 29: ...0 R500 33nH L505 10 R502 27pF C517 R524 10 3VTXVCODCS 3VTXVCODCS 330 R525 D G S R512 910 100pF C502 U502 TP0101T 3VMD R522 240 100nF 910 R507 100pF C500 C521 C522 1nF 330 R526 C507 68pF 51 R520 C515 22pF CONTROL GND1 GND2 GND3 GND4 OUTPUT SUPPLY L504 33nH 68nH X500 MQE9P7 897 3VTXVCOGSM L503 R519 51 Q500 2N7002 D G S R514 3R9 C516 3VTXVCOGSM 3VMD 10nF C531 100pF 1 5nF 3VMD C523 C524 C528 4 7pF 270...

Page 30: ... POUT 7 3 VAPC VDD 5 27pF C460 L402 5 6nH R413 560 C457 27pF LM7131ACM5 U406 OPAMP 3 5 V 4 V 2 1 3VALC R416 12K_1 R417 680 14 VC2 R409 3 3K_1 2 ANT 16 DCSRx 13 DCSTRx 3 GND1 5 GND2 6 GND3 8 GND4 10 GND5 11 GND6 12 GND7 15 GND8 1 GND9 9 GSMRx 7 GSMTRx 4 VC1 C416 U401 RF_SWITCH GND1 2 GND2 4 GND3 6 GND4 8 PIN 1 7 POUT VAPC 3 5 VDD 100pF 3VALC POWER_AMP U402 120 R404 R406 120 3VALC 27pF C458 R410 51 ...

Page 31: ... KEYBOARD_ROW 0 4 REFADCP KQRX _RESET LCD_A2 LCD_WR BOOT CF DCVOLT AVCC REFTXN REFTXP RF_ON_OFF RI_LIGHT WR TXRDY RXDATA ITX VBATT SPK2N RXCLK BACKLIGHT RXEN_FE CHK_BAT QTX DCIN WR MAX_VOLT CF POWER_ON TXEN2 SIMRST BAT_TYPE ON_OFF SYNCLK RI_LIGHT SYNEN _RESET AFC VBATT BACKLIGHT RXEN_FE CSRAM uP_ON_OFF TXCLK TXDATA TXEN1 CSVOC D 0 15 MAX_VOLT CLK13M BAT_VOLT CSROM RS232_RTS BBFILTEN TXPOWER TXRDY ...

Page 32: ... G3 CS CS2 A3 B6 I_O1 I_O2 C6 F6 I_O3 I_O4 G6 B1 10 10 U105 A0 A1 A2 A1 A10 H2 H3 A11 A12 H4 H5 A13 A14 H6 G5 A15 A16 G4 F4 18 16 1 13 11 2 100nF 20 9 16 13 19 15 C100 3 19 2 5 5 3 R101 9 3VBB 2 8 12 12 100K 5 3 4 3VBB 7 12 1 C102 10nF C108 100nF 10uF 6 3V C104 1 4 7 J100 3 3 14 7 20 15 16 14 3VBB 11 6 12 2 J100 4 4 6 11 4 6 17 RY_BY A3 G4 VCC H1 VSS0 H6 VSS1 A4 WE 6 4 13 3VBB F3 DQ10 G3 DQ11 F4 D...

Page 33: ... INT2 66 26 MICREFN 27 MICREFP 71 MP NRST 62 44 PCMIN 46 PCMOUT PCMRDY 68 32 PWO1N 30 PWO1P 33 PWO2N 34 PWO2P 79 RDN 59 RXCLK 31 AVSUB 28 AVS_AMP 57 AVS_PLL 14 BFI 77 CSN 37 DAI1 DAI2 38 39 DAICLK DAIRST 25 13 GPI05 53 GPIO0 GPIO1 52 GPIO2 51 50 GPIO3 GPIO4 49 GSMRDY 67 A3 75 A4 76 A5 70 AD0 80 1 AD1 2 AD2 3 AD3 6 AD4 7 AD5 8 AD6 9 AD7 ALERTER 36 29 AVD 35 AVD_AMP 58 AVD_PLL 18 AVS VOCODER U950 A0...

Page 34: ...00 L177 12nH 100 R178 R177 100 C181 33nF 33nF C180 C178 33nF 33nF C179 L175 2 7nH 100 R188 R185 100 3 4 5 100 R186 D102 SMF05 1 2 3 4 5 SMF05 D176 1 2 A176 ANTENNA CLIP VC060305A150 D103 SMF05 D101 1 2 3 4 5 26 I26 3 I3 4 I4 5 I5 6 I6 7 I7 8 I8 9 I9 VBATT COAX_CABLE W176 11 I11 12 I12 13 I13 14 I14 15 I15 16 I16 17 I17 18 I18 19 I19 2 I2 20 I20 21 I21 22 I22 23 I23 24 I24 25 I25 C177 INTERFACE CON...

Page 35: ...TL J180 24 24 J151 15 15 3VBB 1uF C172 2SA1576 Q958 2 3 1 J180 9 9 22 J151 21 21 J180 3 3 J180 4 4 J180 22 J180 1 1 J180 2 2 J180 23 23 H5 C171 1uF D G S CL 150YG CD T LED100 100 R163 FDG6301N Q950 2 17 J151 6 6 7 J180 16 16 J180 17 J180 10 10 H3 3VBB J151 7 J151 4 4 J151 16 16 J151 18 18 H2 J151 2 2 1uF C170 8 E1 E2 J151 10 10 J151 12 12 J151 8 H4 J180 26 26 100K R151 R153 100K VBATT J151 9 9 J18...

Page 36: ... BUSREQ COL0 A13 A12 COL1 COL2 B11 COL3 A11 D10 COL4 CSCOD N13 M13 CSDEC CSRAM C9 CSROM A9 J4 CSUSR1 AUXV2 B2 ADD20 B7 ADD3 A7 ADD4 C7 ADD5 D7 ADD6 ADD7 A6 ADD8 B6 ADD9 D6 AFC P L5 AGC P K6 N7 AUXV0 AUXV1 N6 M6 AUXVREFN M7 AUXVREFP AVD 1 N2 M5 AVD 2 KERNEL U200 C8 ADD0 B8 ADD1 ADD10 A5 ADD11 B5 ADD12 C5 ADD13 D5 ADD14 A4 ADD15 C4 A3 ADD16 B3 ADD17 C3 ADD18 ADD19 A2 A8 ADD2 3 3 3 C206 100nF 5 C214 ...

Page 37: ...PT 5 6 7 OPAMP U127 C TS925IPT 12 11 10 C127 C138 SOT 1nF C131 10nF PGND 8 9 STDBY V 4 13 V C139 10nF 270 U127 E TS925IPT OPAMP 270 R134 R128 1K_1 R121 R137 100K_1 100nF 100K_1 R132 TS925IPT U127 A OPAMP 3 2 1 C117 UMC5N U128 1 2 3 4 6 3 9nF C136 3 9nF C128 C141 100nF 100nF C134 C126 100nF C135 1nF R136 680 330u R135 100 R133 L129 BBFILTEN 3VBBF 1K_1 QRXP KQRX1 AVCC VMID IRXP KQRX KIRX KIRX1 ...

Page 38: ...UT 4 U904 TC7S08FU 5 3 1 IN1 2 IN2 4 C902 100nF U900 U902 TC7S00FU 5 3 1 IN1 2 IN2 4 OUT C905 100nF 100nF C904 R903 1 2K_1 3VBB R905 1 2K_1 R904 10K_1 1 IN1 2 IN2 4 OUT U906 TC7S08FU 5 3 IN1 1 IN2 2 OUT 4 U903 TC7S00FU 5 3 IN1 1 IN2 2 OUT 4 U901 TC7S08FU 5 3 REFTXN 100nF C903 REFTXP REFADCP REFADCN RXEN_FEDCS RXEN_FEGSM DCSTX1 GSMTX1 TXEN2 TXEN1 BANDSEL RXEN_FE _BANDSEL GSMTX2 DCSTX2 ...

Page 39: ...F C260 UMC5N 100K R254 100K R251 TH1 NTH5G40B473 F200 BLM11P600S C261 100nF R253 10K C262 10nF 100K R263 DTC144EEA GND IN OUT 12K_1 R262 DAN222 D252 Q257 10K R256 R261 18K_1 270K_1 R260 R259 100K_1 82K_1 R258 100K R252 D253 UPS5817 C258 100nF 14 VCC2 15 Vc 12 10uH L251 U253 BAT 10 3 BOOST 1 GND1 4 GND2 6 GND3 8 GND4 GND5 16 GND6 11 GND7 9 5 OVP PROG 13 7 SENSE 2 SW VCC1 R266 8 2K_1 300_1 R265 POWE...

Page 40: ...FF MIC5205 3 0BM5 U801 ADJ 4 3 EN 2 3VBB POWER_ON_D 100nF C869 STARTUP_VOLTS 3V8 10nF C859 3VBB 100nF C853 R995 1K C800 1uF 3VDEMOD 3VPLL 1K R811 C805 10uF 6 3V 3VDC 200 R805 IN 1 OUT 5 C862 470pF VBATT U803 MIC5205 3 0BM5 ADJ 4 3 EN GND 2 P 3VTX C867 470pF 10uF 6 3V C816 POWER_ON 3VLO2 L800 BDS 4020R 220M 220uF 6 3V C871 3VLO1 3VLNADCS C851 100nF VBATT C801 10nF UPS5817 D808 3V8 7 BATT CLSEL 4 FB...

Page 41: ...Samsung Electronics Co Ltd Printed in Korea 11 1999 Rev 1 0 GH68 00844A ELECTRONICS ...

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