Samsung SGH-i400 Service Manual
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Summary of Contents for Samsung SGH-i400

  • Page 1: Table Of Contents

    GSM TELEPHONE SGH-i400 GSM TELEPHONE CONTENTS 1. Safety Precautions 2. Specification 3. Product Function 4. Array course control 5. Exploded View and Parts list 6. MAIN Electrical Parts List 7. Disassembly and Assembly Instructions 8. Block Diagrams 9. PCB Diagrams 10.
  • Page 2: Safety Precautions

    ● Don't use as you pleases after change other material than replacement registered on SEC System. Otherwise engineer in charge isn't charged with problem that you don't keep this rules. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 3 ● You must maintain electric contact between ESD and place due to be set up until ESD is connected completely to the proper place or a circuit board. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 4: Specification

    0 pcl ~ 15 pcl Sensitivity -10 2 dBm -1 00 dBm -1 00 dBm T DM A M u x Cell Rad ius 35 Km 2 Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 5: Gsm Tx Power Class

    8±4 dBm 8±4 dBm 9± 3dBm 6±4 dBm 6±4 dBm 7±3 dBm 4±4 dBm 4±4 dBm 5±3 dBm 2±5 dBm 2±5 dBm 0±5 dBm 0±5 dBm SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 6: Product Function

    3. Product Function Main Function Camera Music player RealPlayer Gallery Flash lite player Voice mail, Instant Messageing Bluetooth SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 7: Array Course Control

    4. Array course control GH39-03307A GH39-00894A GH39-00599A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8: Software Downloading

    – i400XEXXX.BIN : AP Image. – i400XEXXX.s3 : CP Image. 4-2. Pre-requsite for Downloading • Downloader Program(ApolloPlus) • i400 Mobile Phone • Data Cable • Binary file SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 1. Load the binary download program by executing the “ApolloPlus” 2. Push the simultaneously "5" & "8" when Handset power on. Confirm the No."COM Port" SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 Array course control Select Phone Settings. 4. Confirm "COM Port" Push the "Device Manager" and Confirm "Com Port No." SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 PC’s or the phone’s serial hardware is incapable of handling the selected speed 6. Push the "Set Generic" tab. Select the "Customer T: Drummer(128/64,USB) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 Array course control 7. Comfirm "Option Settings" Select "Differences Only" or "Erase All Unused Regions" 8. Make sure the reserved Memory Regions. 0x20f80000 – 0x20ffffff SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 “i400XXXX.s3”, for the downloader binary setting. 10. Select the “PDA Image” Set the directory path and choose the latest s/w binary, for example “i400XXXX.BIN”, for the downloader binary setting. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 Array course control 11. Select the "Format" & "Bootloader" 12. Select the "All Download" SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 13.The completion of S/W Download When downloading is finished successfully, there is a “All is well” message. 8. Confirm the downloaded version name and etc. : *#1234# SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16: Exploded View And Parts List

    QAR01 QMO01 QME02 QSP01 QLC01 QSH01 QCR17 QAN03 QPC01 QAN02 QCR05 QFL02 QRE01 QCR05 QCR17 GHI01 QFR01 QSC01 QCR06 QFL01 QSD01 QCK01 QBA01 QBA00 QIF01 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17: Cellular Phone Parts List

    RMO COVER-RF GH73-11035A QSC01 RMO COVER-SCREW CAP GH73-11047C QSD01 PMO COVER-MICRO SD GH72-42380C QSH01 ASSY COVER-SHIELD CAN GH98-06206A QSP01 SPEAKER 3001-002180 QVO01 ASSY KEY-VOLUME GH98-06207C SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 CUSHION-CASE TA2 MA2 GH69-05734A S/W CD-MS COMPANION,I400 GH46-00457A MANUAL USERS-QRG RUSSIAN GH68-15110A MANUAL USERS-QRG ENGLISH GH68-15111A CBF INTERFACE-DLC APCBS10BBE(S GH39-00922A VINYL-BOHO WINODW GH74-35903A EARPHONE-B-TYPE GH59-04557A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19: Main Electrical Parts List

    UCP700UP IC-MCP 1108-000122 UME200 IC-MCP 1201-002241 U604 IC-AUDIO AMP 1201-002457 PAM100 IC-POWER AMP 1203-002716 U402 IC-VOL. DETECTOR 1203-003432 U401 IC-POSI.FIXED REG. 1203-003523 U410 IC-POSI.FIXED REG. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 V517 VARISTOR 1405-001093 V518 VARISTOR 1405-001093 V600 VARISTOR 1405-001093 V601 VARISTOR 1405-001093 V606 VARISTOR 1405-001093 V607 VARISTOR 2007-000070 R403 R-CHIP 2007-000070 R404 R-CHIP 6- 2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 R637 R-CHIP 2007-000157 R638 R-CHIP 2007-000157 R639 R-CHIP 2007-000157 R640 R-CHIP 2007-000157 R648 R-CHIP 2007-000159 R507 R-CHIP 2007-000159 R644 R-CHIP 2007-000159 R647 R-CHIP 6- 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 R720 R-CHIP 2007-000173 R224 R-CHIP 2007-000173 R225 R-CHIP 2007-001119 R632 R-CHIP 2007-001119 R633 R-CHIP 2007-001119 R634 R-CHIP 2007-001119 R635 R-CHIP 2007-001291 R521 R-CHIP 6- 4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 R606 R-CHIP 2007-007317 R607 R-CHIP 2007-007318 R430 R-CHIP 2007-007528 R223 R-CHIP 2007-007528 R641 R-CHIP 2007-007798 R702 R-CHIP 2007-008056 R100 R-CHIP 2007-008516 R102 R-CHIP 6- 5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 C624 C-CER,CHIP 2203-000330 C136 C-CER,CHIP 2203-000330 C137 C-CER,CHIP 2203-000386 C223 C-CER,CHIP 2203-000386 C224 C-CER,CHIP 2203-000386 C300 C-CER,CHIP 2203-000386 C425 C-CER,CHIP 2203-000386 C426 C-CER,CHIP 6- 6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 C628 C-CER,CHIP 2203-001405 C325 C-CER,CHIP 2203-001405 C326 C-CER,CHIP 2203-002709 C310 C-CER,CHIP 2203-002709 C421 C-CER,CHIP 2203-002709 C422 C-CER,CHIP 2203-005055 C143 C-CER,CHIP 2203-005234 C118 C-CER,CHIP 6- 7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 C202 C-CER,CHIP 2203-006048 C205 C-CER,CHIP 2203-006048 C206 C-CER,CHIP 2203-006048 C209 C-CER,CHIP 2203-006048 C218 C-CER,CHIP 2203-006048 C220 C-CER,CHIP 2203-006048 C221 C-CER,CHIP 2203-006048 C226 C-CER,CHIP 6- 8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 C729 C-CER,CHIP 2203-006048 C730 C-CER,CHIP 2203-006048 C731 C-CER,CHIP 2203-006048 C732 C-CER,CHIP 2203-006048 C733 C-CER,CHIP 2203-006048 C734 C-CER,CHIP 2203-006048 C735 C-CER,CHIP 2203-006048 C736 C-CER,CHIP 6- 9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 C116 C-CER,CHIP 2203-006562 C138 C-CER,CHIP 2203-006562 C139 C-CER,CHIP 2203-006562 C140 C-CER,CHIP 2203-006562 C141 C-CER,CHIP 2203-006562 C142 C-CER,CHIP 2203-006562 C225 C-CER,CHIP 2203-006562 C316 C-CER,CHIP 6- 10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 C311 C-CER,CHIP 2203-006642 C312 C-CER,CHIP 2203-006648 C109 C-CER,CHIP 2203-006648 C110 C-CER,CHIP 2203-006681 C418 C-CER,CHIP 2203-006681 C419 C-CER,CHIP 2203-006681 C507 C-CER,CHIP 2203-006824 C429 C-CER,CHIP 6- 11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 L300 INDUCTOR-SMD 2703-002734 L301 INDUCTOR-SMD 2703-002814 L400 INDUCTOR-SMD 2703-002814 L405 INDUCTOR-SMD 2703-002900 L102 INDUCTOR-SMD 2703-002910 L103 INDUCTOR-SMD 2703-002917 L100 INDUCTOR-SMD 2703-002917 L101 INDUCTOR-SMD 6- 12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 IC MICOM GH70-02617A SC100 IPR BRACKET-FRAME Please consult the GSPN website (Samsung Portal) for the most recent version of the product's part list. 6- 13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32: Disassembly And Assembly Instructions

    1) Unscrew red-marked 2 bolts 2) take apart SPK bracket. 3) Remove stereo SPK 1) Remove Volume Key and CAM activation Key. (be careful not to damage FPCB connector.) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 1. in the state of "Slide-up", using the tool, disassemble the upper and the lower along 1. Remove rubber caps in the upper and the dashed arrow unscrew red-marked 4 bolts SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 2. detach the main FPCB from the sub-PCB 2. Using the pinch, detach the RCV Speaker. (be careful of the damage on the FPCB) (Be careful of the damage on the wire.) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 1. Tear off the black shielding tape shown above. (be careful of the damage on the FPCB of LCD) 2. Tear off the Sub-Dome sheet. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 1. Detach RF lid, using the round pinch. 1. tear off the green tape shown above, and 1. Remove the main dome sheet. unsolder MIC. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 1. Attach 3 kinds of the tapes shown above. FPCB. 2. Connect camera FPCB to the LCD 3. attach the green tape on the sub-FPCB. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 38 1. Screw 4 bolts shown in red-dashed circles 2. put the lower and the upper together shown above, and close up the hole with the rubber caps. above along the arrow. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 PBA in to the lower until to hear the sound of assemble PBA and the main FPCB. (be careful of the damage on the FPCB) "click". SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 ③ ④ ⓛ ② 1. Push each side of the case until hearing the sound of "click". 1. screw 4 bolts in the blue-dashed circles. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41: Block Diagrams

    8. Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 Block Diagrams 2. Audio Block SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 Block Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 Block Diagrams 4. BT Block SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45: Pcb Diagrams

    V516 V518 UCP200 U201 D506 OSC100 V512 A0_TP RAM1_CS F100 F101 UME200 V507 F102 V510 CP_OEN ROM1_CS CP_WEN RFS100 V606V607 MIC+ ANT101 ANT100 ANT104 ANT105 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 46 PCB Diagrams U200 V513 V515 F501 F500 F502 F506 F505 F504 F503 V514 LED601 LED600 STAR SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 47: Chart Of Troubleshooting

    Check VIO of UCP700 Check R711 of UCP700 UCP700 Check UCP700 Check VPLL1 of UCP700 C700 Check OSC401 pin#3 Check the clock generation Freq = 26MHz circuit(OSC401) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 48 VBAT VCCD_1.8V_CON TP300 D300 U300 C311 C312 VFB1 VFB2 10 R300 VOUT OUT2 3 VIN RUN1 L301 SW2 7 L300 RUN2 C313 C314 C315 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 49 VCCD_1.6V, Check U300 VCCD_1.8V, VCCD_1.8V_CON of U300 is "High" Check HDC500 and LCD part LCD display is O.K? Sound is O.K? Check audio part 10-3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 50 VIO_IN VBAT VIO_GND SPKLP VDD1_L VDD1_L SPKRM VDD1_IN VDD1_GND VDD1_GND SPKRP C454 VDD1_L VDD1_L VDD1_IN VDD1_GND VDD1_GND C448 L405 R401 VBAT VBAT C455 VBAT 10-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 51 15 15 R513 IF_CON_SENSE R514 RXD_C R515 TXD_C R516 EAR_CHECK R518 JACK_INT R520 EAR_KEY R521 EAR_SPK_L VMID R522 EAR_SPK_R EAR_MIC_N EAR_MIC_P IFC500 D506 D507 10-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 52: Sim Part

    Check the circuit around Check the related circuit of UCD300 output UCD300 and voltage supply circuitry SIM300 VSIM SIM_RST SIM_CLK SIM_IO C301 C300 C302 C303 C304 C305 10-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 53 Flow Chart of Troubleshooting and Circuit Diagrams 10-7 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 54 Flow Chart of Troubleshooting and Circuit Diagrams 10-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 55: Charging Part

    The pin #2 of U408 is Resolder R412, check U408 "high"? The pin #10 of U404 Check the U404 is "high"? Resolder or change U404 ITERM<=100mA(full charging)? 10-9 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 56 D500 1 2 5 6 R500 TR500 R506 V_EXT R599 VUSB_5V D508 R533 PWR_HOLD D501 TR501 IF_CON_SENSE R502 ON_SW D502 C502 C503 R508 R501 10-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 57 V_EXT_FET R420 R421 U404 DCIN 10 USBIN IUSB 3 ITERM IDC 8 USBPWR 7 TA_DET BP_VF CHRG CHG_ING_N TA_OFF C418 R429 R430 R431 C419 10-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 58: Microphone Part

    (R534, R606,R607) R534="high"? resolder or change Check the connetion of L605, L606"? (RL605,L606) Check U406 Is microphone ok? 10-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 59 Flow Chart of Troubleshooting and Circuit Diagrams MICBIAS2 R632 C600 C601 R600 C602 C603 EAR_MIC+ EAR_MIC_P TA600 C604 C605 C606 C609 EAR_MIC- EAR_MIC_N R603 C610 C611 R633 10-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 60: Speaker Part

    Check the Change or resolder connection of L601,L602,L603,L604 L601, L602, L603,L604 Check the circuit Check U406 around U406 Is speaker OK? Change speaker 10-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 61 Flow Chart of Troubleshooting and Circuit Diagrams L601 L602 SPK_R+ SPK_R- HDC600 L603 L604 SPK_L+ SPK_L- ZD602 11 12 10-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 62 Backlight does work (Ref. LCD Circuit Diagram) Backlight's brightness is Change to New Compnent(U400). uniform (Ref. LCD Circuit Diagram) Is LCD OK? Change the LCD 10-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 63 Flow Chart of Troubleshooting and Circuit Diagrams V_BAT U400 PWR_DET U402 10-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 64 4 of U401 (Pin 4 :1.8V) Reconnect firmly a Have some problem connector(CAM_CON) of CAM_CON? (Ref. LCD Circuit Diagram) Replace Camera Is Camera OK? 10-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 65 VCAM_1.5V VCAM_2.8V VBAT U407 VOUT2 VOUT1 CAM_EN C428 C429 C430 R442 VBAT VCAM_1.8V_IO U401 STBY CAM_EN 2 GND VOUT 3 VIN C459 R454 C460 10-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 66: Egsm Receiver

    C316, C320 Pin16,17,32 : 2.9V Resolder or Replace RFT101 Check OSC100 Pin34,35 : 26Mhz Resolder or Replace EGSM Rx path EGSM RX is OK? components 10-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 67: Dcs Receiver

    C316, C320 Pin16,17,32 : 2.9V Resolder or Replace RFT101 Check OSC100 Pin34,35 : 26Mhz Resolder or Replace EGSM Rx path DCS RX is OK? components 10-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 68: Pcs Receiver

    C316, C320 Pin16,17,32 : 2.9V Resolder or Replace RFT101 Check OSC100 Pin34,35 : 26Mhz Resolder or Replace EGSM Rx path EGSM RX is OK? components 10-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 69: Egsm Transmitter

    Check pin #1,2,3,4 Check pin #34,35 Check and Change of RFT101 = 1.7V of RFT101=26Mhz OSC100 Check and Change Check and Change Change UCD300 RFT101 RFT101 10-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 70 Check pin #34,35 of Check and Change of RFT100 = 1.7V PAM100 = 26Mhz OSC100 Check and Change Check and Change Change UCD300 RFT101 RFT101 10-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 71 Flow Chart of Troubleshooting and Circuit Diagrams 26Mhz DCXO SAW filter Transceiver Tx Module 10-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 72 C136 26MHz? Check the Reconnect firmly ANT103 assembled status of to the Rear ANT103 Check the Resolder L112, L108, connection of L112, L109 L108, L109? 10-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 73 XTALP|FAST_CLK_IN IO17|SCL XTALM RFIO_LDO_OUT BT_PCM_OUT BT_PCM_OUT AUD_IN OSC_LDO_OUT AUX_PCM_SYNC C136 AUX_PCM_SYNC AUD_FSYNC ANA_OUT BT_PCM_IN BT_PCM_IN AUD_OUT FLDO_OUT AUX_PCM_CLK AUX_PCM_CLK AUD_CLK BB_LDO_OUT BB_LDO_OUT C137 TP100 10-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 74: Reference Data

    PS : Pilot Symbol QPSK: Quadrature Phase Shift Keying RS : Reed-Solomon SI : Service Information TDM : Time Division Multiplexing TS : Transport Stream 11-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 75 China china.samsungportal.com Asia asia.samsungportal.com Mideast & Africa mea.samsungportal.com This Service Manual is a property of Samsung Electronics Co.,Ltd. Samsung Electronics Co.,Ltd. ⓒ Any unauthorized use of Manual can be punished under applicable International and/or domestic law. 2007. 09. Rev.1.0...

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