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Samsung SGH-P400 Service Manual

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SERVICE
GSM TELEPHONE
GSM TELEPHONE
SGH-P400
Manual
1.
2.
3.
4.
Exploded Views and Parts List
5.
6.
7.
CONTENTS

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Summary of Contents for Samsung SGH-P400

  • Page 1: Table Of Contents

    GSM TELEPHONE SGH-P400 Manual SERVICE GSM TELEPHONE CONTENTS Specification Circuit Description Flow Chart of Troubleshooting Exploded Views and Parts List Electrical Parts List Block Diagrams PCB Diagrams...

  • Page 2: Specification

    - 1 0 0 d B m TDM A M u x C el l Ra d iu s 3 5 Km 3 5 Km 2 Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 3: Gsm Tx Power Class

    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 4: Circuit Description

    The oscillator for RX IQ demodulator and Tx modulator are controlled by serial data to select channel and use fast lock mode for GPRS high class operation. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 5 -35dBc 30 kHz bandwidth -35dBc -66dBc 400kHz offset Modulation -65dBc Spectrum 30 kHz bandwidth -66dBc -75dBc 600kHz ~ 1.8MHz offset -68dBc 30 kHz bandwidth -75dBc SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 6 0.6V. For efficient use, the LEDs should be forward connected between the ma battery and their corresponding LED driver output. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 7 It is 18-pin connector. They are designed to use SDS, DEBUG, DLC-DETECT, JIG_ON, VEXT, VTEST, VF, CF, VBAT and GND. They connected to power supply IC, microprocessor and signal processor IC. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 EN_VIB, and its voltage setting is determined by VIB[0:2]. Provided EN_VIB is a logic 1, the driver can be programmed to maintain a SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 WEN and OEN control the process of memory. External IRQ(Interrupt ReQuest) signals from each units, such as, YMU, Ear-jack, Ear-mic and CSP1093, need the compatible process. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 Convertor) part receives the status of temperature, battery type and battery voltage. And control signals(DSP_INT, DSP_IO and DSP_RWN) for DSP core are used. It enables main LCD and small LCD with DSP IP pins. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 This system uses the 13MHz TCXO, TCO-9141B, Toyocom. AFC control signal form CSP1093 controls frequency from 13MHz x-tal. It generates the clock frequency. This clock is fed to CSP1093,Trident,YMU759 and Silab solution. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 12: Flow Chart Of Troubleshooting

    Check the clock signal at pin#3 of OSC801 Freq = 13MHz , Check the clock generation Vrms ≥ 300mV circuit (related to OSC801) 900mVpp Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 ISENSE R110 DRIVE VSENSE VBAT PROG TA_VEXT C118 10UF 6.3V Q102 R111 10K,1% U102 C119 CHG_DET 10UF CHG_ON R107 47K,1% R108 TA_VEXT 10K,1% ICHRG R109 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 14 The Voltage is "High" at the C110, C111, Check the U100 C112 LCD display is O.K Check the LCD Part Sound is O.K Check the Audio Part SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 DSP_TMS VLED TP209 DSP_TCK C231 TP210 C232 C233 C234 C235 C236 C237 C238 C239 C240 C241 100PF 100PF 100PF 100PF 100PF 100PF 100PF1 00PF 100PF SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 Is there any Signals pin#52, #53, #54 of Check the U601 U100? Is there any Signals pin#49, #50, #51 of Check the U100 CN100? Check the SIM Card SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 JIG_ON VTEST DEBUG_DSR DEBUG_DSR DEBUG_RI DEBUG_RI TA_VEXT VEXT VEXT BP_VF BP_VF VBAT ZD303 ZD304 ZD305 ZD306 ZD307 ZD308 C300 C301 100NF 220NF ZD302 ZD300 ZD301 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 Check the Q101 "low"? The pin #5 of U101 is Check the U101 3.2~4.2V? The ICHRG = 1V(during charging) Solder again or change R108 180mV(full charging)? SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 EAR_SPK_ P AOUTBP EAR_MIC_P AUXI N R414 R415 AUXOUT R416 C4020 C4018 C4019 150PF C418 C419 150PF R417 VCCA VCCD R418 R419 Q400 EAR_SWITCH R420 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 Reassemble the microphone of microphone O.K? Check the reference voltage on mic path C420 2.0V Solder the microphone again or Replace C409,C416,R407,R409,R410,R411 microphone ok? Check U700 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 S-_CE1 C503 F-RY/_BY 100NF F4 S-_UB UPPER_BYTE S-_LB A(0) F-_WP R5021 D4 F-_RST FLASH_RESET C504 S-_OE CP_OEN 10NF F-_OE GND D3 S-_WE CP_WEN F-_WE 3-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 U400? pin#7 of U400? The pin#4 The pin#4 of Check U401 of U400 is U400 is "Low" "High" Check U700 Check U400 3-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 DEBUG_DT R DEBUG_RI DEBUG_RT S DEBUG_TXD FLASH_RESE T DEBUG_RXD AUDIO_AMP_EN DEBUG_CT S CHG_O N IRDA_EN UP_CS UP_SCLK SDS_TX D UP_SDI SDS_RXD SIMDATA SIMCLK CHG_DET 3-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 240mV? U900 resolder or change U901 pin1, 2 U901 Vp-p : 250mV resolder or change U900 pin 2,3,4,5 Vp-p : 100mV ? CHECK U700 3-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 25 E7 VSS E8 VSS VDDD GNDD C710 C711 C712 C713 U703 G5 VSS 10NF 10NF 10NF 10NF H5 VSS K10 VSS VCCD PCS_RX_EN C716 33PF 3-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 26: Egsm Transmitter

    4 : 3V U1001 pin9,10,11, change or check or change change or resolder 1213: 3V? change resolder U902 change or U901 resolder change or resolder 3-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 R820 BACKLIGHT_1 BACKLIGHT_2 DOWN KEY-XBS KEY-XBS KEY-XBS KEY-XBS VOL_DN KEY_ROW(2) LEFT DD-DOM-4PIE KEY-XBS KEY-XBS KEY-XBS KEY-XBS KEY_ROW(3) RIGHT KEY-XBS KEY-XBS KEY-XBS KEY-XBS KEY-XBS KEY_ROW(4) 3-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 U900 resolder or change U901 pin1, 2 U901 Vp-p : resolder or change 250mV ? U900 pin 2,3,4,5 Vp-p : 100mV ? CHECK U700 3-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 U902 IFLON VDDR SERLE SENB SCLK RFLOP SERCLK RFLON SERDAT C916 C917 C918 C919 VOSC 100PF 100PF 100PF 100PF C920 22NF MICRO STRIP LINE 3-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 U900 resolder or change U901 pin1, 2 U901 Vp-p : resolder or change 250mV ? U900 pin 2,3,4,5 Vp-p : 100mV ? CHECK U700 3-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 DPCS_PAM_IN U1001 R1005 R1006 VBAT R1007 C1012 33PF VCC2 VCC2 VPAC C1013 100UF 6.3V C1014 TX_BAND_SEL R1008 C1015 100K,1% 33PF TXPOWER TX_EN C1016 33PF 3-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 32 4 : 3V U1001 pin33,C110 pin9,10,11, check or change change or change or 1213: 3V? change resolder resolder U902 U901 change or change or resolder resolder 3-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 Check U1102 and C1126 Check U1109 pin4 has Check U1107, U1112 and U1109 low-active signal. Check U1108 pin4 has Check U1110, U1111 and U1108 low-active signal. 3-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 R110 DRIVE VSENSE VBAT PROG TA_VEXT C118 10UF 6.3V Q102 R111 10K,1% U102 C119 CHG_DET 10UF CHG_ON R107 R108 47K,1% TA_VEXT 10K,1% ICHRG R109 3-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 35 4. SGH-P400 Exploded View and its Parts list 1. Cellular phone Exploded View SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 36 DOME SHEET GH59-00781A GH59-00626A CONN COVER GH73-01445A ANTENNA GH42-00248A REAR COVER GH75-02837A SCREW 6001-001155 REAR SCREW COVER GH73-01507A RF COVER GH73-01506A SHOT KEY GH75-02887A BATTERY GH43-00983A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 37 3. Test Jig (GH80-00865A) 3-1. RF Test Cable 3-2. Test Cable 3-3. Serial Cable (GH39-00090A) (GH39-00127A) 3-4. Power Supply Cable 3-5. DATA CABLE 3-6. TA (GH39-00159A) (GH44-00171C) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 38: Electrical Parts List

    C708,C709,C710,C711 2203-005796 C114 2203-000254 C712,C713,C803,C804 2203-006053 C116,C117 2203-000812 C716,C908 2404-001105 C118 2203-000386 C801 2404-001268 C119 2203-001412 C802 2203-005509 C201 2203-000254 C805,C806 2203-000812 C204,C206,C207,C208 2203-005482 C807,C808 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 39 R800 0502-001201 Q101 2007-000172 R801 0501-000225 Q400 2007-001308 R802 2007-001288 R1000,R1004 2007-000138 R803 2007-001307 R1001,R1005 2007-001306 R806,R814,R815,R816 2007-007008 R1002,R1003,R1006 2007-001290 R807,R809,R811,R813 2007-007008 R1007 2007-000139 R808,R810,R812 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 U700 0504-001042 U701,U702,U703 1009-001010 U802,U803 1205-002185 U900 1205-002268 U901 1209-001434 U902 3404-001152 VOL_UP 0406-001083 ZD300,ZD301 0403-001427 ZD302 1405-001082 ZD303,ZD304,ZD305 1405-001082 ZD306,ZD307,ZD401 1405-001018 ZD308 1405-001082 ZD402,ZD403,ZD405 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 41: Block Diagrams

    DATA, SERIAL DATA ARM7TDMI CLK, INTERFACE GSM:890MHz~ 915MHz D E T DCS:1710MHz~ 1785MHz TCVCXO 13 MHz PCS:1850MHz~ 1910MHz A F C C L K SI4133T SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 Memory part Camera Solution Camera Asic Camera DSP CAM_D[0:15] Y[0:7] Y[0:7] CAM_A UV[0:7] UV[0:7] CAM_WEN PCLK PCLK CAM_CLCD_EN D[0:15] NSUB_DC CP_OEN NSUB_PLUS CP_WEN CINS CAM_INT CLCD_EN SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 43: Pcb Diagrams

    CN1001 R1008 R701 C105 C1013 C700 U1001 C1016 C119 C1002 L1003 L1000 R1006 R1004 R1007 C1015 R108R109 C108 C102 R111 U602 R107 C118 CAM_MENU R601 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 44 SGH-P400 PCB Diagrams 2. Main PCB Bottom Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 45 ELECTRONICS Samsung Electronics Co.,Ltd. AUG. 2003 ⓒ Printed in Korea. This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable Code No.: GH68-04315A International and/or domestic law. BASIC.