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Samsung SGH-E400 Service Manual

Gsm telephone
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SERVICE
GSM TELEPHONE
GSM TELEPHONE
SGH-E400
Manual
CONTENTS
1.
Specification
2.
Exploded Views and Parts List
3.
Electrical Parts List
4.
Flow Chart of Troubleshooting
5.
Block Diagrams
6.
PCB Diagrams

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Summary of Contents for Samsung SGH-E400

  • Page 1 GSM TELEPHONE SGH-E400 Manual SERVICE GSM TELEPHONE CONTENTS Specification Exploded Views and Parts List Electrical Parts List Flow Chart of Troubleshooting Block Diagrams PCB Diagrams...

  • Page 2: Gsm General Specification

    5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl Sensit ivit y - 102dBm -102dBm - 100dBm - 100dBm TDMA Mux Cell Radius 35Km 35Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 3: Gsm Tx Power Class

    11±3 dBm 8±4dBm 8±4dBm 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 4 2. SGH-E400 Exploded View and its Parts list 1. Cellular phone E xplod ed View 2- 1 SAMSUNG Proprietary-Contents may change without notice Thi s Document can not be used wi thout Samsung's author ization...

  • Page 5: Cellular Phone Parts List

    MAIN PBA GH92-01465A ANTENNA GH42-00274A DOME SHEET GH59-00724A GH30-00047A CONNECTOR COVER GH72-07032A REAR COVER GH75-02796A SCREW 6001-001478 RF COVER GH73-01819A GH43-00826A 900MAH BATTERY GH43-00827A 700MAH SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 6 3. Test Jig (GH80-00865A) 3-1. RF Test Cable 3-2. Test Cable 3-3. Serial Cable (GH39-00090A) (GH00-00127A) 3-4. Power Supply Cable 3-5. DATA CABLE 3-6. TA (GH39-00159A) (GH44-00184A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 7: Electrical Parts List

    C618 2203-005061 C119 2203-000679 C457 2203-000995 C619 2203-001598 C120 2203-002668 C458 2203-005496 C709 2203-001598 C123 2203-005503 C459 2203-005065 C710 2203-005061 C124 2203-000854 C461 2203-005061 C711 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 R201 2203-000233 C924 0601-001547 LED210 2007-001292 R202 3709-001244 CN100 0601-001547 LED211 2007-001307 R203 3705-001226 CN1001 0601-001547 LED212 2007-001307 R204 3711-005078 CN200 0601-001547 LED213 2007-001307 R205 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 U701 2007-000140 R307 2007-000170 R610 0504-001042 U702 2007-000140 R308 2007-007142 R611 0504-001042 U703 2007-000140 R309 2007-007308 R612 0801-002345 U800 2007-000140 R310 2007-007308 R613 1205-002185 U900 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 10 1405-001082 ZD411 GH74-04719A GH71-01508A 6001-001478 GH74-05297A GH75-03243A GH43-00826A GH74-05298A GH61-00017A GH43-00827A GH74-05299A GH71-00256A GH44-00184A GH74-05306A GH72-00638B GH72-07032A GH74-05308A GH72-08467A GH73-01819A GH74-06625A GH75-02794A GH74-05297A GH75-02790A GH72-07017A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 GH72-07020A GH73-01816A GH97-02645A GH42-00274A GH75-02796A GH68-02026A GH70-00021A GH71-01510A GH72-07028A GH72-07029A GH72-07030A GH72-07031A GH73-01818A GH74-03618A GH74-05307A GH99-03311A 6902-000295 GG68-10705A GH68-00518B GH68-01335D GH68-01778A GH68-03501A GH69-01235A GH69-01580A GH69-01581A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 12: Flow Chart Of Troubleshooting

    4. SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 1.Baseband 1. Power ON 'Power On' does not work Check the current consumtion more than Downloader again 100mA Check the Vbat(battery+ O ) Charge the Battery Voltage more than 3.3V Check the pin...

  • Page 13: Sim Part

    SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 2. Initial Initial Failure Check the signal at the pin 28 of U100 is Check U100 "High" when the phone is boot on Check the pin 22 of Check the U700 U100 is "High"...

  • Page 14: Charging Part

    SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 4. Charging Part Abnormal charging part Check the pin 17,18 of Check U100 CN302 VEXT is > 4V? Check the pin 2 of U103 Check the U601 is "LOW"? Check the pin 3 of Q101 Check the Q101 is "LOW"?
  • Page 15 SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 16: Microphone Part

    SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 5. Microphone Part Microphone does not work Check the assembled Reassemblage microphone status of microphone. Check the reference resolder or change voltage on mic path C400,R408,R409,R405,R406) C418 =2.5V Check U700 Is microphone ok? 6.
  • Page 17 SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 18: Back Light

    SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 7. Back Light Backlight does not work Check the soldered status of EL pad Backlight "ON" mode in Select backlight "ON" mode the meue? Check the PIN 3 of Check the U601 CN200 = 2.8V?

  • Page 19: Alert Tone

    SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 8.Alert Tone Abnormal Alert tone Alert tone On by pushing the key *#0289# Check the PIN 31, 32 of Check the circuit related to CN200-1 U401,R460 Is there alert wave? Check the connection...
  • Page 20 SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams VBAT VCCD R200 GREEN_LED 19 19 16 16 LCDVIB_EN LED_EN 21 21 D(0)_FO D(8)_FO D(1)_FO 23 23 D(9)_FO D(2)_FO D(10)_FO D(3)_FO 25 25 D(11)_FO D(4)_FO 27 27 D(12)_FO D(5)_FO D(13)_FO D(6)_FO D(14)_FO...

  • Page 21: Gsm Receiver

    SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 2.RF 1. GSM Receiver CONTINUOS RX ON RF INPUT : 62CH Cell power : -50dBm NORMAL CONDITION CHECK catch the channel? C1012,L1015,L1016 contact? F1002 CHECK CN1001 resolder or change pin13 ≥ -65dBm?

  • Page 22: Dcs Receiver

    SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 2. DCS Receiver CONTINUOS RX ON RF INPUT : 698CH Cell power : -50dBm NORMAL CONDITION CHECK C1012,L1015,L1016 contact? catch the channel? F1002 CHECK CN1001 resolder or change pin13 ≥ -65dBm? F1002 CHECK F1002 pin6 ≥...

  • Page 23: Pcs Receiver

    SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 3. PCS Receiver CONTINUOS RX ON RF INPUT : 698CH Cell power : -50dBm NORMAL CONDITION CHECK catch the channel? C1012,L1015,L1016 contact? F1002 CHECK CN1001 resolder or change pin13 ≥ -65dBm? F1002 CHECK F1002 pin6 ≥...

  • Page 24: Gsm Transmitter

    SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 4. GSM Transmitter CONTINUS TX ON F1002 F1002 pin 13 U700,U701 CONDITION about 2~3dBm? pin 11 : 2.8V check & change MS TX level 19 CH : 62 U1001 pin 9 RBW : 100KHz...

  • Page 25: Dcs Transmitter

    SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 5. DCS Transmitter F1002 CONTINUS TX ON CONDITION F1002 pin 13 U700,U701 about 2~3 dBm? pin 9 : 2.8 V? check & change MS TX level 12 CH : 698 RBW : 100KHz...

  • Page 26: Pcs Transmitter

    SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 6. PCS Transmitter F1002 CONTINUS TX ON CONDITION F1002 pin 13 U700,U702 about 2~3 dBm? pin 9 : 2.8 V? check & change MS TX level 12 CH : 698 RBW : 100KHz...
  • Page 27 SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 4-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 4-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 29 SGH-E400 Flow Chart of Troubleshooting and Circuit Diagrams 4-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 30: Block Diagrams

    FILTER PCS:1930MHz~1990MHz DSP16000 100KHz 1 / 2 SI4201 SI4200 SERIAL DATA BASE INTERFACE BAND GSM:890MHz~915MHz ARM7TDMI TX VCO DCS:1710MHz~1785MHz TCVCXO PCS:1850MHz~1910MHz 13MHz SI4133T TXPOWER AUDIO SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 DSPJTAG 32.768 KHz JTAG DAICK DAIRN JTAG/ICE DAIDO JTAG/ICE KEYBOARD DAIDI AUDIO PART 64M*2 FLASH 16M SRAM AUDIO Memory Part MOTOR B'D to B'D Connector SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 32: Pcb Diagrams

    R102 C910 C903 C1017 C108 MAIN_MIC C1014 C1011 C492 C451 R426 U900 C1007 L1015 C720 R106 ANT1 C908 C924 C906 R999 C132 C103 U701 L1016 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 33 SGH-E400 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 34 ELECTRONICS ⓒ Samsung Electronics Co.,Ltd. SEP. 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.: GH68-03771A International and/or domestic law. BASIC.

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