Samsung SGH-E350E Service Manual
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Samsung SGH-E350E Service Manual

Samsung SGH-E350E Service Manual

Gsm telephone
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Summary of Contents for Samsung SGH-E350E

  • Page 3: 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 with out Samsung' s authorization...

  • Page 4: Gsm Tx Power Class

    8±4dBm 9±5 dBm 6±4 dBm 6±4 dBm 7±5 dBm 4±4 dBm 4±4 dBm 5±5 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 with out Samsung' s authorization...

  • Page 5: Circuit Description

    LO suppression, quadrature phase error, quadrature amplitude balance and low noise floor specification. Output matching/balun components drive a standard 50 ohms single ended load. SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 6 The Backlight Brightness Modulator (BBM) contains a programmable Pulse-width modulator (PWM) and FET to modulate the intensity of a series of LED’ s or to control a DC/DC converter that drives LCD backlight. This phone (SGH-E350E) use PWM control to contrast the backlight brightness. - Clock Generator The Clock Generator (CG) generates all clocks for internal and external usage.
  • Page 7 There is Stereophonic analog output for Headphone. 2-2-8. Memory(U303) This system uses Samsung's memory, KAP17SG00A. The KAP17SG00A is a Multi Chip Package Memory which combines 256Mbit Synchronous Burst Multi Bank NOR Flash Memory and two 512Mbit OneNAND Flash and 128Mbit Synchronous Burst UtRAM.
  • Page 8 It utilizes 16 bit data bus for communication with the main processor, including bus interface types. SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 9: Exploded View And Parts List

    QMP02 QME02 QFL01 QFR01 QKP01 QCR05 QPC01 QSC01 QCA02 QMI01 QVK01 QMP01 QAN02 QME01 QCA01 QRF03 QCK01 QRE01 QRF01 QIF01 QVO01 QCR06 QCW01 QBA01 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...

  • Page 10: Parts List

    QRF03 PMO-EAR COVER V2;SGH-E350,PC(G71770C GH72-22634A ¡ ¡ QSC01 MPR-SLIDE/L SCREW SHEET;SGH-E350,PC GH74-16356A ¡ ¡ QSP01 SPEAKER;0.7W,8ohmohm,122dB±2dB,850H 3001-001782 ¡ ¡ QVK01 UNIT-VOLUME KEY;SGH-E350,SGH-E350 V/ GH59-02180A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...
  • Page 11 MPR-TAPE EMI MAIN PCB;SGH-E350,EMI T GH74-16370A MPR-TAPE EMI SUB PCB TOP;SGH-E350,EM GH74-16371A MPR-TAPE SUB PCB BOT;SGH-E350,3M 851 GH74-16373A MPR-TAPE MAIN PCB A;SGH-E350,3M 851, GH74-16787A MEC-HANGER;SGH-Z500,TMN,STRAP,-,BLK, GH75-03673H SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...
  • Page 12 3-3-2. RF Test Cable 3-3-3. Test Cable 3-3-4. Serial Cable (GH39-00283A) (GH39-00337A) (CSA LL64151-A) 3-3-5. Power Supply Cable 3-3-7. TA 3-3-6. DATA CABLE (GH44-00482A) (GH39-00331A] SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...

  • Page 13: Electrical Parts List

    C206 C-CER,CHIP 2203-000254 C207 C-CER,CHIP 2203-005482 C208 C-CER,CHIP 2203-000254 C209 C-CER,CHIP 2203-005482 C210 C-CER,CHIP 2203-000812 C211 C-CER,CHIP 2203-005482 C212 C-CER,CHIP 2203-006399 C213 C-CER,CHIP 2203-006399 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...
  • Page 14 C411 C-TA,CHIP 2404-001225 C412 C-CER,CHIP 2203-006399 C413 C-TA,CHIP 2404-001225 C414 C-CER,CHIP 2203-006257 C415 C-CER,CHIP 2203-006257 C416 C-CER,CHIP 2203-006208 C417 C-CER,CHIP 2203-005482 C420 C-CER,CHIP 2203-006208 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...
  • Page 15 C706 C-CER,CHIP 2203-005482 C708 C-CER,CHIP 2203-006257 C709 C-CER,CHIP 2203-006257 C711 C-CER,CHIP 2203-006201 C712 C-CER,CHIP 2203-005482 C713 C-CER,CHIP 2203-000254 C715 C-CER,CHIP 2203-005482 C716 C-CER,CHIP 2203-005482 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...
  • Page 16 2703-002636 L111 INDUCTOR-SMD 2703-001747 L400 BEAD-SMD 3301-001120 L600 BEAD-SMD 3301-001534 L700 BEAD-SMD 3301-001729 L701 BEAD-SMD 3301-001729 LED600 0601-002055 LED601 0601-002055 LED602 0601-002055 LED603 0601-002055 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...
  • Page 17 R305 R-CHIP 2007-000151 R306 R-CHIP 2007-000162 R307 R-CHIP 2007-000143 R308 R-CHIP 2007-000143 R309 R-CHIP 2007-000148 R310 R-CHIP 2007-000171 R311 R-CHIP 2007-000162 R312 R-CHIP 2007-000839 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...
  • Page 18 R609 R-CHIP 2007-000162 R610 R-CHIP 2007-007480 R611 R-CHIP 2007-007009 R612 R-CHIP 2007-007009 R613 R-CHIP 2007-007009 R614 R-CHIP 2007-007009 R615 R-CHIP 2007-007009 R616 R-CHIP 2007-007009 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...
  • Page 19 V602 VARISTOR 1405-001082 V603 VARISTOR 1405-001110 V604 VARISTOR 1405-001110 ZD500 DIODE-ZENER 0403-001547 ZD501 DIODE-ZENER 0403-001427 ZD601 DIODE-TVS 0406-001104 ZD701 DIODE-TVS 0406-001104 ZD702 DIODE-TVS 0406-001104 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...
  • Page 20 Electrical Parts List SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...

  • Page 21: Block Diagrams

    DCS 18 0 0 : P ou t = 2 7. 5 d Bm E ff = 2 3% P CS 19 0 0 : P ou t = 2 7. 5 d Bm E ff = 2 3% SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 22 (26MHz) VINT IOVDD MV319DNQ RAMP VDD_RX_TX VCC_SYN 1G OneNAND MEMORY MIC_BIAS CPVDD Li-Ion Battery (Slim,Standard) SIMEN KEY_BOARD VCHG RTC_CLOCK SIM CARD Charging Circuit (32.768KHz) VSAVE SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 23 6. PCB Diagrams 6-1. MAIN PCB Top Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...
  • Page 24 PCB Diagrams 6-2. MAIN PCB Bottom Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...
  • Page 25 PCB Diagrams 6-3. SUB PCB Top Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...
  • Page 26 PCB Diagrams 6-4. SUB PCB Bottom Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung' s authorization...

  • Page 27: Flow Chart Of Troubleshooting

    = 1.8V ? Check for the clock at C300 Check the clock generation circuit (related to U100) = 26MHz Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 28 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 29 Flow Chart of Troubleshooting +VDD_IO_HIGH_2.9V +VDD_IO_HIGH_2.9V U302 R314 C300 NC 5 26M_CLK R315 3 GND R316 26M_YMU762 R317 26M_MV3018 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 30 Check the circuit related to reset Is U304 pin 4 Check the U304 OK ? Check the 16bit data signal & memory CE SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 31 +VDD_IO_HIGH_2.9V +VDD_IO_HIGH_2.9V +VDD_IO_HIGH_2.9V +VDD_IO_LOW_1.9V U302 U201 1 NC R314 C300 NC 5 VCC1 26M_CLK R315 3 GND R316 RSTON 26M_YMU762 LCD_RESET R317 26M_MV3018 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 32 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 33: Charging Part

    Check the U503 pin 10 Check the U505 pin 10 Resolder or replace U503 Resolder or replace U505 ¡ Ö 4.2V ¡ Ö 4.2V SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 34 2 USB ICDL 9 +VBUS ZD500 R510 C501 _PPR AUX_ON 4 _CHG USBON END_OF_CHG IMIN 6 CHG_ON USB_CHG_ON R512 R511 C505 BATTERY CHARGING SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 35: Sim Part

    SIM400 in a few After SIM card insert, Replace PBA SIM400 pin 2 = " H (SIM_RST)" ? Check the SIM Card SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 36 Flow Chart of Troubleshooting 7-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 37 Flow Chart of Troubleshooting 7-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 38: Microphone Part

    U200 to MIC Check U601 PIN 8 Check the JACK_EN signal = ' H ' ? Check the MIC Replace the MIC 7-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 39 C608 C609 MIC_N R602 C610 C611 V602 R603 R604 +VDD_IO_HIGH_2.9V JACK_EN +VDD_IO_HIGH_2.9V C630 R605 R606 EAR_ADC EAR_SWITCH MICROPHONE U600 C617 R610 EARPIECE 7-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 40 Flow Chart of Troubleshooting 7-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 41: Speaker Part(Melody)

    (When U300 operate) CN700 pin 23,25 ¡ Ö 1.8V ? Resolder CN700 (When U300 operate) Is Speaker working ? Change the Speaker 7-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 42 C314 CODEC R305 C315 EARP_HF MELODY IC +VDD_IO_HIGH_2.9V +VDD_IO_HIGH_2.9V U302 R314 C300 NC 5 26M_CLK R315 3 GND R316 26M_YMU762 R317 26M_MV3018 7-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 43 Flow Chart of Troubleshooting 7-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 44: Key Data Input

    KEY_COL(4) KEY_COL(3) KEY_COL(2) KEY_COL(1) KEY_COL(0) KEY_ROW(0:2) KEY_ROW(0) STAR1 DIGIT7 DIGIT4 DIGIT1 DIGIT2 KEY_ROW(1) DIGIT10 DIGIT9 DIGIT6 DIGIT3 DIGIT5 KEY_ROW(2) SHARP1 DIGIT8 KEY_MAP 7-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 45: Receiver Part

    SPK +,- PAD = 1.5V? Check the soldering of the Modify the speaker wire soldering spaeaker wire Replace the Speaker Is Receiver working? 7-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 46 Flow Chart of Troubleshooting VCC_SW U604 1A 9 HFR_N SPK_N AMP_N MELODY_SEL HFR_P MELODY_SEL AMP_P SPK_P 7-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 47: Back Light (For Color Main Lcd)

    CN800 pin 14 = H ? FPCB Check the U800 & the related circuit U800 PIN 1 = 7V ? Replace the LCD Module 7-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 48: Key Back Light

    VOUT 4 R611 R612 R613 R614 R615 R616 R618 R619 1 STBY KEY_LED_ON R607 LED601 LED602 LED603 LED604 LED605 LED606 LED607 LED600 KEY_LED 7-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 49: Camera Part

    Reconnect CN701 Check U302(pin2, pin4) related to R317 = 26MHz? 26Mhz and R317 Is there another problem ? Replace the camera module 7-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 50 VDD_IMAGE 2.9V LCD_MAIN_CS L_RD 26M_MV3018 L_WR IMAGE_DSP +VDD_IO_HIGH_2.9V +VDD_IO_HIGH_2.9V U302 R314 C300 NC 5 26M_CLK R315 3 GND R316 26M_YMU762 R317 26M_MV3018 7-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 51 Flow Chart of Troubleshooting 7-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 52: Gsm Receiver

    Check & Resolder H8,J8,H7,J7 R110, C126, C129 U100, R113 > = 1V > = 2 .7V RF26MHz, RF PSU Part Resolder U100 Check U200 7-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 53: Gsm Transmitter

    U100 pin Check & Resolder RFLO > = 2 .7V H8,J8,H7,J7 signal, RF13MHz, > = 1V RF PSU Part Resolder U100 Check U200 7-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 54: Dcs Receiver

    Check & Resolder H8,J8,H7,J7 R110, C126, C129 U100, R113 > = 1V > = 2 .7V RF26MHz, RF PSU Part Resolder U100 Check U200 7-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 55: Dcs Transmitter

    U100 pin Check & Resolder RFLO > = 2 .7V H8,J8,H7,J7 signal, RF13MHz, > = 1V RF PSU Part Resolder U100 Check U200 7-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 56: Pcs Receiver

    Check & Resolder H8,J8,H7,J7 R110, C126, C129 U100, R113 > = 1V > = 2 .7V RF26MHz, RF PSU Part Resolder U100 Check U200 7-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

  • Page 57: Pcs Transmitter

    U100 pin Check & Resolder RFLO > = 2 .7V H8,J8,H7,J7 signal, RF13MHz, > = 1V RF PSU Part Resolder U100 Check U200 7-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...
  • Page 58 Flow Chart of Troubleshooting 7-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used with out Samsung' s authorization...

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