Samsung SGH-E105 Service Manual
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Samsung SGH-E105 Service Manual

Samsung SGH-E105 Service Manual

Gsm telephone
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SERVICE
GSM TELEPHONE
GSM TELEPHONE
SGH-E105
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-E105

  • Page 1 GSM TELEPHONE SGH-E105 Manual SERVICE GSM TELEPHONE CONTENTS Specification Exploded Views and Parts List Electrical Parts List Flow Chart of Troubleshooting Block Diagrams PCB Diagrams...
  • Page 2 2. SGH-E105 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 3 FILTER FILTER PCS:1930MHz~1990MHz DSP16000 100KHz 1 / 2 SI4201 SI4200 SERIAL DATA BASE INTERFACE BAND GSM:890MHz~915MHz ARM7TDMI TX VCO 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 4 DSPJTAG 32.768 KHz JTAG DAICK DAIRN JTAG/ICE DAIDO JTAG/ICE KEYBOARD DAIDI AUDIO PART 128M 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 5 4. SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 1.Baseband 1. Power ON 'Power On' does not work Check the current consumtion more than Download again 100mA Check the Vbat(battery+ O ) Charge the Battery Voltage more than 3.3V Check the pin...
  • Page 6 SGH-E105 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 7: Sim Part

    SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 3. Sim Part Phone can't access SIM card Check the pin 1 of CN100. Check the circuit related to Voltage = 3V? U100 Check the SIM connector's (CN100) resolder or change CN100...

  • Page 8: Charging Part

    SGH-E105 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 U700 is "LOW"? Check the pin 3 of Q101 Check the Q101 is "LOW"?
  • Page 9 SGH-E105 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 10: Microphone Part

    SGH-E105 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,R428,R409,R405,R406) C418 =2.5V Is microphone ok? Check U700 6.
  • Page 11 SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams VCCD U402 SEL 6 AOUTAN AUDIO_OUT_SEL GN D 25 24 23 22 21 20 SPK1N VBAT D(1) C46 0 C461 100N F 100P F D(0) SPVDD R403 150K CP_WEN /W R EQ 3...

  • Page 12: Back Light

    SGH-E105 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 13: Alert Tone

    SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 8.Alert Tone Abnormal Alert tone Alert tone On by pushing the key *#0289# Check the PIN 17, 18 of Check the circuit related to CN200 U401 Is there alert wave? Check the connection...

  • Page 14: Gsm Receiver

    SGH-E105 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,C1002 contact? F1002 CHECK CN402 pin13 ≥ -65dBm? resolder or change...

  • Page 15: Pcs Receiver

    SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 2. PCS Receiver CONTINUOS RX ON RF INPUT : 698CH Cell power : -50dBm NORMAL CONDITION CHECK catch the channel? C1012,L1015,C1002 contact? F1002 CHECK CN402 resolder or change pin13 ≥ -65dBm? F1002 CHECK F1002 pin6 ≥...

  • Page 16: Gsm Transmitter

    SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 3. 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 17: Pcs Transmitter

    SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 4. 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 18 SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 4-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 SGH-E105 Flow Chart of Troubleshooting and Circuit Diagrams 4-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 C124 CN402 C1017 C803 R110 C1014 C910 C903 R102 C1011 C108 C126 C1007 C1002 U900 C905 L1015 C908 C924 C906 R999 C208 R221 C115 LED200 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 SGH-E105 PCB Diagrams 2. Main PCB Bottom Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

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