Samsung SGH-E715 Service Manual
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Samsung SGH-E715 Service Manual

Samsung SGH-E715 Service Manual

Gsm telephone
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SERVICE
GSM TELEPHONE
GSM TELEPHONE
SGH-E715
Manual
CONTENTS
1.
Specification
2.
Flow Chart of Troubleshooting
3.
Exploded Views and Parts List
4.
Electrical Parts List
5.
Block Diagrams
6.
PCB Diagrams

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Summary of Contents for Samsung SGH-E715

  • Page 1 GSM TELEPHONE SGH-E715 Manual SERVICE GSM TELEPHONE CONTENTS Specification Flow Chart of Troubleshooting Exploded Views and Parts List Electrical Parts List Block Diagrams PCB Diagrams...
  • Page 2 R110 C100 C104 C422 R411 C115 C112 C430 C107 C417 C415 C111 C106 C114 R408 C401 R320 C420 L400 C327 C113 U305 U302 ZD118 C336 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 3 R125 ZD107 U102 C131 C207 R303 R302 R300 R316 C323 ZD114 LED108 ZD113 R129 LED111 R135 LED106 ZD108 R124 LED102 R131 RIGHT ZD117 C321 U301 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 4 TX_EN TX_BAND_SEL SW_EN CLK13M_TR CLK_CTL CLK_25MHz V_BAT TX_PWR CLK13M_MC CAMPWR_ON 25MHz MIC2212 CLK13M_RF CLK13M_YMU Sound Gen. CAM_VCC V_BAT YMU762 MIC-SPK 13MHz Ear-Jack Analog Switch MAX4684 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 5 C323 2203-000254 C214 2503-001045 C250 2203-000628 C324 2203-005061 C215 2503-001045 C251 2203-000628 C325 2203-006093 C216 2503-001045 C252 2203-000233 C326 2203-000854 C217 2503-001045 C253 2203-000233 C327 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 6 R111 2203-000278 C420 0601-001602 LED101 2007-000140 R112 2203-000438 C421 0601-001602 LED102 2007-000140 R113 2203-000438 C422 0601-001602 LED103 2007-000758 R114 2203-000233 C423 0601-001602 LED104 2007-001319 R115 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 7 2007-000171 R238 2007-000148 R413 2007-000148 R201 2007-000171 R239 3404-001152 2007-000171 R202 2007-002796 R300 3404-001152 2007-000171 R203 2007-000157 R301 3404-001152 2007-000171 R204 2007-007319 R302 1203-002902 U100 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 8 ZD106 1405-001082 ZD107 1405-001082 ZD108 1405-001082 ZD109 1405-001082 ZD110 1405-001082 ZD111 1405-001082 ZD112 1405-001082 ZD113 1405-001082 ZD114 1405-001082 ZD115 1405-001082 ZD116 1405-001082 ZD117 1405-001082 ZD118 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 3. SGH-E715 Exploded View and its Parts list 1. Cellular phone E xplod ed View 3- 1 SAMSUNG Proprietary-Contents may change without notice Thi s Document can not be used wi thout Samsung's author ization...
  • Page 10 KEYPAD GH75-03776A MAIN PBA GH92-01519A DOME SHEET GH59-00895A GH30-00032A SCREW 6001-001478 INTENNA GH42-00330A REAR COVER GH75-03264A REAR SCREW COVER GH73-02152A RF COVER GH73-02524A BATTERY GH43-01054A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 11: Data Cable

    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) (GH44-001844A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 12 Check U100 and C109 Check the clock signal Check the clock generation at pin #3 of OSC400 circuit (OSC400, U402 pin#4) Freq.=13MHz,Vrms 300mV Check the Initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams 2. System Initial Initial Failure Check the U100 The pin #9 of U100 = 1.8V (If it has some problem, and pin #11 of U100=2.8V? it has to be replaced.) Check the U100...
  • Page 14 SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams 3. SIM Part "Insert SIM" is displayed on the LCD Is there any signal Check the U303 pin #52,53,54 of U100 ? Is there any signal Check the U100 pin #1,2,3,6 of CN100 ?
  • Page 15 SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams 4. Charging Part Abnormal charging operation The pin #17,18 of CN101 Replace TA or check CN101 (VEXT) is 5V ? Check the U102 The pin#2 of U102 is Low? Check the U102...
  • Page 16 SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams CN100 VBA T VCC_1.8A VCC D VPAC VOSC VCC A VCC B VRTC C100 C101 C102 33PF C103 33PF 33PF 470N F C104 100NF VREF VLDO_7 40 SIMRST UP_RST SIMCLK UP_CLK 52 UP_IO...
  • Page 17 SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams 5. Microphone Part Micro-phone does not work Is the assembled status of Reassemble the microphone Microphone O.K? Check the DC bias voltage on Mic path. Solder the microphone again The voltage of C237 is or Replace 2.2V±10%?
  • Page 18 SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams 6. Speaker Part There is no sound from speaker Is the terminal of speaker Replace the speaker is O.K? Are there any signal Check the LCD module at the pin #40,42 of CN200? &...
  • Page 19 SGH-E715 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 20 SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams 7. Camera Part Camera function does not work Connect the CN200 Check the connect CN200? Check the U203 Pin #9 of U203 = 2.8V? Check Pin #10 of U203 = 2.8V? Pin #2 of U203 = High?

  • Page 21: Egsm Receiver

    SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams 8. EGSM Receiver Continuous RX ON RF Input : 62 CH AMP : -50dBm NORMAL CONDITION Check soldered status of Catch the channel ? C400,402 F400 Check CN400 Pin #6 ≥ -65dBm ?

  • Page 22: Egsm Transmitter

    SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams 9. EGSM Transmitter F400 Pin#6 F400 U300,301 About 2~3 dBm? Pin#10 = High? Check & Change Level of C402,CN400 Continuous TX ON condition F400 Pin#7 is Check & Change TX Power Code : 500 code Applied...

  • Page 23: Pcs Receiver

    SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams 10. PCS Receiver Continuous RX ON RF Input : 660 CH AMP : -50dBm NORMAL CONDITION Check soldered status of Catch the channel ? C400,402 F400 Check CN400 Pin #6 ≥ -65dBm ?

  • Page 24: Pcs Transmitter

    SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams 11. PCS Transmitter F400 Pin#6 F400 U300,302 About 2~3 dBm? Pin#4 = High? Check & Change C402,CN400 Level of Continuous TX ON condition Check & Change F400 Pin#5 is TX Power Code : 350 code Applied...
  • Page 25 SGH-E715 Flow Chart of Troubleshooting and Circuit Diagrams 2-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 0.3GMSK 0.3GMSK MS Power 33dBm~13dBm 33dBm~13dBm 33dBm~13dBm 33dBm~13dBm Power Class 5pcl~15pcl 5pcl~19pcl 0pcl~15pcl 0pcl~15pcl Sensitivity -102dBm -102dBm -100dBm -100dBm TDMA Mux Cell Ridius 35Km 35Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 27: Gsm Tx Power Class

    17±2dBm 16±3dBm 14±3dBm 15±2dBm 14±3dBm 12±4dBm 13±2dBm 12±4dBm 10±4dBm 11±2dBm 10±4dBm 8±4dBm 8±4dBm 9±3dBm 6±4dBm 6±4dBm 7±3dBm 4±4dBm 4±4dBm 5±3dBm 3±3dBm 2±5dBm 2±5dBm 0±5dBm 0±5dBm SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 ELECTRONICS ⓒ Samsung Electronics Co.,Ltd. OCT. 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.: GH68-04399A International and/or domestic law. BASIC.

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