Samsung SGH-E850 Service Manual
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Samsung SGH-E850 Service Manual

Samsung SGH-E850 Service Manual

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GSM TELEPHONE
GSM TELEPHONE
SGH-E850
CONTENTS
1.
Specification
2.
Flow Chart of Troubleshooting
3.
Exploded Views and Parts List
4.
Electrical Parts List
5.
PCB Diagrams
6.
Block Diagrams

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Summary of Contents for Samsung SGH-E850

  • Page 1 GSM TELEPHONE SGH-E850 GSM TELEPHONE CONTENTS Specification Flow Chart of Troubleshooting Exploded Views and Parts List Electrical Parts List PCB Diagrams Block Diagrams...

  • Page 2: Specification

    5 pc l ~ 19 pc l 0pcl ~ 15pcl Sen si ti vit y -102dBm -100dBm TDMA M ux C el l R a di us 35 km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 3: Flow Chart Of Troubleshooting

    Check the clock signal at pin#8 of U700 Freq = 13MHz , Vrms ≥ 300mV Check the clock generation circuit (related to OSC300) Vpp 뵃 900mVpp Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 4 SGH-E850 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 5 The Voltage is "High" at the Check the U100 C112,C108,C109 LCD display is O.K Check the LCD Part Check the Audio Part Sound is O.K SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 6 R312 100 10NF CLK13M_RF R314 2.7K OSC300 CLK13M_TR OUT VCC R315 C303 BUFFOUT CLK13M_MC BUFFIN C304 10NF VCONT CLK13M_YMU C306 10NF 100K R317 C308 10NF SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 7 R116 R118 C118 RTX_IN C119 RTX_QP 10UF C120 100NF RTX_QN C117 C126 R120 10UF 2.7K 470NF MICINP R119 C121 AUXINP KEY_COL(2) Q101 KEY_ROW(0) DTC144EM C122 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 8: Sim Part

    Check the U100 CN100 ≥ 2.8V Is there any Signals Check the U600 pin#2, #3, #4 of CN100? Check the SIM Card SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 9 SGH-E850 Flow Chart of Troubleshooting CN100 SIMVCC SIMRST SIMCLK SIMDATA C102 33PF C104 C103 C105 C106 2.2UF 100NF 33PF 33PF SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 10: Charging Part

    The pin #5 of U102 is Check U102 or TA LOW(During charging) The ICHRG = 1V(during charging) Solder again or change R118 and 뵃 180mV(full charging)? SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 11 R116 R118 RTX_IN C118 C119 10UF RTX_QP C120 100NF RTX_QN C117 C126 R120 10UF 2.7K 470NF MICINP R119 C121 AUXINP KEY_COL(2) Q101 KEY_ROW(0) DTC144EM C122 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 12: Microphone Part

    O.K? Check the reference voltage on mic path Solder the microphone again or Replace R407,R408,R409,R410,R411,R412, C418 뵃 2.0V R415,C408,C415 Is microphone ok? Check OSC300 2-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 13 R312 100 10NF CLK13M_RF R314 2.7K OSC300 CLK13M_TR OUT VCC R315 C303 BUFFOUT CLK13M_MC BUFFIN C304 10NF VCONT CLK13M_YMU C306 10NF 100K R317 C308 10NF 2-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 14: Speaker Part

    Check the U401 U100 The pin#4 of U400 is The pin#4 of 3.2~4.2v U400 is 3.2~4.2v Check the Battery or R434 Check the U400 2-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 15 CAM_SDA 49 49 50 50 Y(2)_FO CAM_SCL Y(1)_FO 53 53 Y(0)_FO 55 55 R101 SPK1P TP101 R102 SPK1N TP102 SPEAKER C104 C105 56PF 56PF 2-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 16 100NF HPOUT-R 11 12 13 14 CP_OEN 6.3V R405 32 IOVDD HPOUT-L/MONO C405 CLK13M_YMU C407 220PF YMU_LED VCCD YMU_IRQ C406 100NF C409 C410 100NF 2-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 17 U700 CHECK C703,L701,C705 pin20,21 ≥ 65dBm resolder or change U700 check U100 Pin A13, C109 pin 9,31 :clean 2.8V check or resolder CHECK U100 2-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 18 U700 CHECK C706,L702,C708 pin18, 19 ≥ 65dBm resolder or change U100 Pin A13, C109 U700 check check or resolder pin 9,31 :clean 2.8V CHECK U100 2-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 19 3,5,6=13MHz U700 pin 8 Check =13MHz C301,R312,C704 Are there any U700 U100 signal at U700 change or check or pin#12,13,14 resolder change 2-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 20 Check U700 pin8 =13MHz C301,R312,C704 Are there any signal at U700 U700 U100 pin#12,13,14 change or resolder check or change 2-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 21 R705 R706 BANDSEL TX_BAND_SEL TX_EN TXENABLE R707 100K VRAMP TXPOWER C718 C719 18 19 20 33PF 270PF C720 C721 C722 C723 10NF 100PF C724 2-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 22: Cellular Phone Exploded View

    3. SGH-E850 Exploded View and its Parts list 1. Cellular phone Exploded View QMW01 QAN06 QFR01 QFU01 QCR40 QSP01 QLC01 QMO01 QPC01 QKP02 QCA02 QMP01 QKP01 QME02 QVK01 QMP02 QMI02 QCA00 QME01 QCH06 QAN02 QCA01 QRF03 QVO05 QRE01 QCR32 QVO01...

  • Page 23: Cellular Phone Parts List

    SCREW 6001-001155 QIF01 IF COVER GH72-13739A QBA19 BATTERY GH43-01445B QVO03 SIDE KEY TAPE GH74-09136A QSC04 SLDIE SCREW CAP GH73-03501A QCR12 SCREW 6001-001530 QCR10 SCREW 6001-001633 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 24 3. Test Jig (GH80-00865A) 3-1. RF Test Cable 3-2. Test Cable 3-3. Serial Cable (GH39-00283A) (GH39-00206A) 3-4. Power Supply Cable 3-5. DATA CABLE 3-6. TA (GH39-00203A) (GH44-00482A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 25: Electrical Parts List

    2203-000654 F1,F2 3301-001342 C609 2203-000679 CN100 3708-001890 C102,C105,C106,C701 2203-000812 CN102 3708-001982 C718 2203-000812 CN101 3711-005646 C523 2203-000885 U101 1209-001585 C514 2203-000940 ZD314 0403-001387 C307,C612,C700,C727 2203-000995 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 26 2203-006324 R303,R304,R305,R306 2007-000140 C404 2404-001086 R307,R308,R309,R310 2007-000140 C124 2404-001088 R319,R320,R321,R322 2007-000140 C713 2404-001134 R432 2007-000140 C114,C117,C118,C127 2404-001268 R314 2007-000142 C430,C431 2404-001268 R504 2007-000148 C418 2404-001282 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 27 2007-000174 CN400 3722-002181 R213,R214,R215,R216 2007-000174 M100 4302-001130 R217,R218,R219,R226 2007-000174 U600 GH09-00029A R423 2007-000758 U501 GH13-00020A R403,R404 2007-000775 ZD315,ZD316 0406-001208 R414 2007-001244 U700 1205-002433 R400,R401 2007-001288 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 28 5. SGH-E850 PCB Diagarms SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 29: Pcb Diagrams

    SGH-E850 PCB Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 30 SGH-E850 PCB Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 31 SGH-E850 PCB Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 32: Block Diagrams

    6. SGH-E850 Block Diagrams 1. RF Solution Block Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...

  • Page 33: Base Band Solution Block Diagram

    SGH-E850 Block Diagrams 2. Base Band Solution Block Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 34 ⓒ Samsung Electronics Co.,Ltd. DEC. 2004 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.: GH68-05737A International and/or domestic law. BASIC.

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