Samsung SGH-E710 Service Manual
Gsm telephone
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Summary of Contents for Samsung SGH-E710
- Page 1 GSM TELEPHONE SGH-E710 SERVICE Manual GSM TELEPHONE CONTENTS Specification Flow Chart of Troubleshooting Exploded Views and Parts List Electrical Parts List Block Diagrams PCB Diagrams...
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Page 2: Specification
/Frame Period Modulation 0.3GMSK 0.3GMSK 0.3GMSK MS Power 33dBm~13dBm 33dBm~13dBm 33dBm~13dBm Power Class 5pcl~15pcl 5pcl~19pcl 0pcl~15pcl Sensitivity -102dBm -102dBm -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 3 24±3dBm 25±2dBm 22±3dBm 23±2dBm 20±3dBm 21±2dBm 18±3dBm 19±2dBm 16±3dBm 17±2dBm 14±3dBm 15±2dBm 12±4dBm 13±2dBm 10±4dBm 11±2dBm 8±4dBm 9±3dBm 6±4dBm 7±3dBm 4±4dBm 5±3dBm 2±5dBm 3±3dBm 0±5dBm SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 4: Flow Chart Of Troubleshooting
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 5 SGH-E710 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...
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Page 6: Sim Part
SGH-E710 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 7: Charging Part
SGH-E710 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 8 SGH-E710 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...
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Page 9: Microphone Part
SGH-E710 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 10 SGH-E710 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 11 SGH-E710 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 12 SGH-E710 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?
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Page 13: Egsm Receiver
SGH-E710 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 14: Egsm Transmitter
SGH-E710 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 15: Dcs Receiver
SGH-E710 Flow Chart of Troubleshooting and Circuit Diagrams 10. DCS 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 16: Dcs Transmitter
SGH-E710 Flow Chart of Troubleshooting and Circuit Diagrams 11. DCS 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 17 SGH-E710 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 18 3. SGH-E710 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 19 KEYPAD GH75-03688D MAIN PBA GH92-01592A DOME SHEET GH59-00895A GH30-00032A SCREW 6001-001478 INTENNA GH42-00317A REAR COVER GH75-03264A REAR SCREW COVER GH73-02152A RF COVER GH73-02524A BATTERY GH43-01026B SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 20 3. Test Jig ( GH80-00865A ) 3-1. RF Test Cable 3-2. Test Cable 3-3. Serial Cable (GH39-00182A) (GH39-00127A) 3-6. TA 3-4. Power Supply Cable 3-5. DATA CABLE (GH44-00482A) (GH39-00159A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 21 C247 2203-005496 C208 2203-000628 C325 2203-000438 C248 2203-000812 C210 2203-000233 C326 2203-000438 C249 2203-005061 C211 2203-000233 C327 2503-001045 C250 2203-000254 C212 2203-000254 C328 2503-001045 C251 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 22 2203-000233 C423 2203-000233 C424 0601-001790 LED110 2007-000171 R125 2203-000254 C425 0601-001790 LED111 2007-000171 R126 2203-000254 C426 0601-001790 LED112 2007-000171 R127 2203-000254 C427 4302-001130 2007-000171 R128 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 23 U401 2007-007139 R218 2007-000157 R323 0801-000306 U402 2007-001319 R219 2007-000171 R324 1405-001018 ZD100 2007-000162 R220 2007-000144 R326 1405-001082 ZD101 2007-000143 R221 2007-000171 R327 1405-001082 ZD102 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 24: Electrical Parts List
ZD117 1405-001082 ZD121 1405-001082 ZD122 1405-001082 ZD123 1405-001082 ZD124 1405-001082 ZD125 1405-001082 ZD126 1405-001082 ZD127 1405-001082 ZD128 1405-001082 ZD200 1405-001082 ZD201 1405-001082 ZD202 1405-001082 ZD203 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... -
Page 25: Block Diagrams
TX_EN TX_BAND_SEL SW_EN CLK13M_TR CLK_CTL V_BAT CLK_25MHz TX_PWR CLK13M_MC CAMPWR_ON 25MHz MIC2212 CLK13M_RF CLK13M_YMU Sound Gen. CAM_VCC YMU762 V_BAT 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 26: Pcb Diagrams
R110 C100 C104 C422 R411 C115 C112 C430 C107 C417 C111 C415 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 27 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 28 ELECTRONICS ⓒ Samsung Electronics Co.,Ltd. DEC. 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.: GH68-04713A International and/or domestic law. BASIC.