Samsung SGH-E620 Service Manual
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Samsung SGH-E620 Service Manual

Samsung SGH-E620 Service Manual

Gsm telephone
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GSM TELEPHONE
GSM TELEPHONE
SGH-E620
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-E620

  • Page 1 GSM TELEPHONE SGH-E620 GSM TELEPHONE CONTENTS Specification Flow Chart of Troubleshooting Exploded Views and Parts List Electrical Parts List Block Diagrams PCB Diagrams...

  • Page 2: Gsm General Specification

    1. SGH-E620 Specification 1-1. GSM General Specification GSM900 EGSM 900 DCS 1800 PCS1900 Phase 1 Phase 2 Phase 1 Freq. Band 890~915 880~915 1710~1785 1850~1910 [MHz] 1930~1990 935~960 925~960 1805~1880 Uplink/Downlink 0~124 & ARFCN range 1~124 512~885 512~810 975~1023 Tx/Rx spacing...

  • Page 3: Gsm Tx Power Class

    SGH-E620 Specification 1-2. GSM Tx Power Class Tx Power Tx Power Tx Power DCS1800 PCS1900 GSM900 control level control level control level 30 ± 3 dBm 30 ± 3 dBm 33 ± 3 dBm 28 ± 3 dBm 28 ± 3 dBm 31 ±...

  • Page 4: Flow Chart Of Troubleshooting

    Flow Chart of Troubleshooting 2. SGH-E620 2-1. Power On 'Power ON' does not work check the current consumption more Download again than 100mA Check the Voltage of the Battery more Charge the battery than 3.5V Check the pin J12 Check "Power On"...
  • Page 5 SGH-E620 Flow Chart of Troubleshooting VBAT CN100 C104 C103 9 10 C108 C109 C107 C110 C111 VDD34 VDD12 J13 UP_CLK N9 SIMCLK UP_RST R10 SIMRST UP_IO P10 SIMDATA SIM_IO J11 SIM_RST K11 SIM_CLK K14 VRTC_1.5 VSIM K12 VRTC H11 LED2_DRV G12 VCCB_2.8...
  • Page 6 SGH-E620 Flow Chart of Troubleshooting 2-2. Initial Initial Failure Check the signal at the pin C15 of U100 is Check OSC200 "LOW" when the phone is boot on L708,pin A13 of U100, Check pin4 of OSC200 Voltage is 2.8V ?
  • Page 7 SGH-E620 Flow Chart of Troubleshooting...
  • Page 8 SGH-E620 Flow Chart of Troubleshooting ADC_AUX2 D15 IRQ4 ADC_AUX1 E10 IRQ3 P17 VREF A10 IRQ2 IRQ1 M16 CREF PIO47 RTC_ALMN H10 PIO34 R14 RTCALARM PIO33 C120 C121 INTRQ PWR_KEEP R109 C215 VBAT C216 OSC200 R110 SPK_ON USB_DET BT_POW_EN VBAT CAM_1.8 CAM_2.5...
  • Page 9 SGH-E620 Flow Chart of Troubleshooting OSC300 XOUT C310 R306 C312 VRF_2.8 L708 C704 C705 R701 R702 CLK13M_RF CLK13M_TR OSC700 C707 C706 R703 100PF BUFFOUT CLK13M_MC BUFFIN C709 VCONT 10NF CLK13M_NEC R704 C708 R705 C711...

  • Page 10: Sim Part

    SGH-E620 Flow Chart of Troubleshooting 2-3. Sim Part * Test with Sim Phone can't access SIM card Check the pin 1 of Check the circuit related to U100 Check the SIM connector's (CN100) Resolder or change CN100 connection to SIM...

  • Page 11: Microphone Part

    SGH-E620 Flow Chart of Troubleshooting 2-4.Microphone Part * Call with Sim before testing. MicroPhone does not work Check the soldered Resolder microphone status of microphone Check the reference Resolder or change voltage on mic path R429,C422,R433,R432,R437 R437, R439 ≒ 2.0V...
  • Page 12 SGH-E620 Flow Chart of Troubleshooting MIC1P MIC1N R429 MICINP R432 R433 C422 MICOUTP MIC401 C425 C426 C427 AGND R434 C429 R435 MICINN R436 C430 MICOUTN R437 R439 C431...

  • Page 13: Bluetooth Part

    SGH-E620 Flow Chart of Troubleshooting 2-5.Bluetooth Part When you play MPEG file, if Audio is not active Bluetooth does not work Check U602 pin5 = Resolder U602 U100 2.6V? U100 C12 pin = 1.8V? Check pin22 of U601 Resolder U601 ≥...
  • Page 14 SGH-E620 Flow Chart of Troubleshooting VCCD_1.8 BT_2.8 ANT601 VCCD_1.8 U601 22 ANT C604 PIO_0 8 PCM_SYNC VDD_PIO PCM_SYNC VDD_PADS 19 PCM_IN PCM_IN 7 PCM_OUT PIO_3 PCM_OUT PIO_4/UART_TX2 3 PCM_CLK PCM_CLK 1 RESETB PIO_5/UART_RTS2 TR_RST VDD_REG PIO_6/UART_CTS2 4 15 VDD_UART PIO_7/UART_RX2...

  • Page 15: Speaker Part

    SGH-E620 Flow Chart of Troubleshooting 2-6. Speaker Part * Call before testing. Receiver does not work Check the soldered Resolder Speaker status of Speaker Check U401 and the audio path of Check the pin 7 of U401 "High"? U400,U100 Is Speaker working?
  • Page 16 SGH-E620 Flow Chart of Troubleshooting 2-13...
  • Page 17 SGH-E620 Flow Chart of Troubleshooting VCCD_2.8 CAM_1.8 CAM_2.5 C507 C511 VBAT C502 CAM_Y(0) C501 CAM_Y(1) CAM_SCL CAM_Y(2) CAM_SDA CAM_Y(3) PCLK CAM_Y(4) MCLK CAM_Y(5) HZREF CAM_Y(6) VTREF CAM_Y(7) CAM_RESET SPK1N LCD_D(6)_FO LCD_D(15)_FO LCD_D(14)_FO LCD_D(12)_FO 25 25 C503 LCD_D(11)_FO SPK1P LCD_D(9)_FO TR_RST...
  • Page 18 SGH-E620 Flow Chart of Troubleshooting VCCD_2.8 U400 A(0) D(0) A(1) D(1) A(2) D(2) D(3) D(4) AVDD D(5) AVDD_P D(6) D(7) C408 C409 VCCD_1.5 BCLK CLK8K C413 CLK13M_NEC CLKIN DVDD TRSCK DVDD VIB_EN DVDD VREF DVDD_D CP_WEN WR_B DVDD_D C416 NEC_RST...

  • Page 19: Key Data Input

    SGH-E620 Flow Chart of Troubleshooting 2-7. Key Data Input Check the Initial Operation Replace or Adjust Check the Keypad & Dome Sheet the Keypad & Dome Sheet Check soldered status of CN500 and connecting Resolder CN500 U200 status between connector and PBA When "#"pad pressed,...
  • Page 20 SGH-E620 Flow Chart of Troubleshooting KEY_COL(0:4) R504 KEY_COL(0) R505 KEY_COL(1) R507 KEY_COL(2) R508 KEY_COL(3) R509 KEY_COL(4) ZD501 ZD502 ZD503 ZD504 ZD505 KEY_ROW(0:4) SEND CLEAR KEY-XBS KEY-XBS KEY-XBS R510 KEY_ROW(0) KEY-XBS KEY-XBS KEY-XBS KEY-XBS R511 KEY_ROW(1) DOWN KEY-XBS KEY-XBS KEY-XBS KEY-XBS...

  • Page 21: Lcd Backlight

    SGH-E620 Flow Chart of Troubleshooting 2-8. LCD backlight Backlight does not work Backlight ON "TIME" Select backlight "15 sec" mode mode in the menu? Check conecting between PBA and LCD Check FPCB conector Check the LCD Check CN500 pin 30 = "high"?

  • Page 22: Gsm Receiver

    SGH-E620 Flow Chart of Troubleshooting 2-9. GSM Receiver CONTINOUS RX ON RF INPUT : 62CH AMP : -50dbm Normal condition Check ANT, C716 catch the channel ? Check F700 Resolder or change pin 13 ≥ -65 dbm ? C716, R706...
  • Page 23 SGH-E620 Flow Chart of Troubleshooting 2-20...

  • Page 24: Dcs Receiver

    SGH-E620 Flow Chart of Troubleshooting 2-10. DCS Receiver CONTINOUS RX ON RF INPUT : 698CH AMP : -50dbm Normal condition Check ANT, C716 catch the channel ? Check F700 Resolder or change pin 13 ≥ -65 dbm ? C716, R706...
  • Page 25 SGH-E620 Flow Chart of Troubleshooting 2-22...

  • Page 26: Pcs Receiver

    SGH-E620 Flow Chart of Troubleshooting 2-11. PCS Receiver CONTINOUS RX ON RF INPUT : 660CH AMP : -50dbm Normal condition Check ANT, C716 catch the channel ? Check F700 Resolder or change pin 13 ≥ -65 dbm ? C716, R706...
  • Page 27 SGH-E620 Flow Chart of Troubleshooting 2-24...
  • Page 28 SGH-E620 Flow Chart of Troubleshooting OCTL5 TX_BAND_SEL CN702 OCTL6 RF_EN OCTL7 TX_EN U100 SERLE1 SERLE2 SERLE C715 C716 SERDA R706 SERDAT SERCK ANT700 SERCLK L709 C717 L703 C724 GSM_LNA_IN_N TXPOWER L701 C122 C725 F700 GSM_LNA_IN_P C727 GSM900RX1 DCS_LNA_IN_N GSM900RX2 L707...

  • Page 29: Gsm Transmitter

    SGH-E620 Flow Chart of Troubleshooting 2-12. GSM Transmitter CONTINUS TX ON CONDITION TX POWER DAC : 554 CODE Check F700 Check F700 Check and APPLIED pin 10 : about pin 11 : change CH : 62ch 2~3 dbm? 2.8V ?

  • Page 30: Dcs/Pcs Transmitter

    SGH-E620 Flow Chart of Troubleshooting 2-13. DCS/PCS Transmitter CONTINUS TX ON CONDITION TX POWER DAC : 560 CODE Check F700 Check F700 APPLIED Check and pin 8 : about pin 9 : 2.8V CH : 698CH(DCS), change 2~3 dbm? 660CH(PCS)

  • Page 31: Cellular Phone Exploded View

    3. SGH-E620 Exploded View and its Parts list 3-1. Cellular phone Exploded View QCW03 QFU01 QFR01 QVO01 QKP01 QMP02 QCA02 QLC01 QMP01 QME01 QMI03 QSP01 QVK01 QMI01 QMO01 QCA01 QCR26 QAN02 QCK01 QRE01 QFL01 QCR04 QSC05 QSC08 QRF03 QSP03 QRF01...

  • Page 32: Cellular Phone Parts List

    SGH-E620 Exploded view and its Part list 3-2. Cellular phone Parts list Location NO. Description SEC CODE Remark QFU01 F/UPPER GH75-06229A QCW03 CAMERA RING GH75-06233A QMP02 LCD PBA GH92-02129A QLC01 GH07-00635A QSP03 SPK DUMMY GH72-16842A QSP01 MICRO SPEAKER 3001-001644 QMO01...

  • Page 33: Data Cable

    SGH-E620 Exploded view and its Part list 3-3. Test Jig (GH80-03307A) 3-3-1. RF Test Cable 3-3-2. Test Cable 3-3-3. Serial Cable (GH39-00283A) (GH39-00304A) 3-3-4. Power Supply 3-3-5. DATA CABLE 3-3-6. TC Cable (GH39-00294A) (GH44-00701A)
  • Page 34 4. SGH-E620 MAIN Electrical Parts List Design LOC SEC Code Discription Design LOC SEC Code Discription 0403-001387 ZD604 DIODE-ZENER 1205-002644 U400 IC-TONE GENERATOR 0403-001427 ZD603 DIODE-ZENER 1205-002694 U301 IC-CONTROLLER 0406-001208 ZD600 DIODE-TVS 1209-001219 U101 IC-SENSOR 0406-001208 ZD602 DIODE-TVS 1405-001082 ZD401...
  • Page 35 SCH- E620 MAIN Electrical Parts List Design LOC SEC Code Discription Design LOC SEC Code Discription 2007-000140 R606 R-CHIP 2007-000171 R203 R-CHIP 2007-000140 R607 R-CHIP 2007-000171 R204 R-CHIP 2007-000140 R610 R-CHIP 2007-000171 R205 R-CHIP 2007-000140 R611 R-CHIP 2007-000171 R220 R-CHIP 2007-000140 R612 R-CHIP...
  • Page 36 SCH- E620 MAIN Electrical Parts List Design LOC SEC Code Discription Design LOC SEC Code Discription 2007-000831 R460 R-CHIP 2007-007319 R467 R-CHIP 2007-000831 R463 R-CHIP 2007-008542 R469 R-CHIP 2007-001288 R708 R-CHIP 2007-008542 R631 R-CHIP 2007-001288 R711 R-CHIP 2007-008542 R632 R-CHIP 2007-001291 R412 R-CHIP...
  • Page 37 SCH- E620 MAIN Electrical Parts List Design LOC SEC Code Discription Design LOC SEC Code Discription 2203-000438 C413 C-CER,CHIP 2203-005061 C419 C-CER,CHIP 2203-000550 C306 C-CER,CHIP 2203-005061 C424 C-CER,CHIP 2203-000550 C310 C-CER,CHIP 2203-005061 C704 C-CER,CHIP 2203-000550 C312 C-CER,CHIP 2203-005288 C724 C-CER,CHIP 2203-000550 C726 C-CER,CHIP...
  • Page 38 SCH- E620 MAIN Electrical Parts List Design LOC SEC Code Discription Design LOC SEC Code Discription 2203-006093 C511 C-CER,CHIP 2703-002665 L704 INDUCTOR-SMD 2203-006093 C512 C-CER,CHIP 2801-003747 OSC200 CRYSTAL-SMD 2203-006093 C603 C-CER,CHIP 2801-004436 OSC300 CRYSTAL-SMD 2203-006093 C606 C-CER,CHIP 2809-001284 OSC700 OSCILLATOR-VCTCXO 2203-006093 C609 C-CER,CHIP...
  • Page 39 U70 0 OSC70 0 U30 0 U20 0 CN10 0 ANT60 1 ZD60 4 ZD50 4 ZD50 6 ZD60 1 MI C40 1 CN60 0 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 40 LED50 3 SHARP LED51 8 TP60 4 TP60 9 TP60 5 TP60 3 TP60 1 TP60 8 TP61 0 Q20 0 U60 2 ZD60 3 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 41 CHANNEL FILTER FILTER PCS:1930MHz~1990MHz DSP16000 100KHz 1 / 2 SI4205 SERIAL DATA BASE INTERFACE BAND GSM:890MHz~915MHz ARM946 TX VCO DCS:1710MHz~1785MHz TCVCXO PCS:1850MHz~1910MHz 13MHz TXPOWER AUDIO SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 42 512M FLASH KEY PAD AUDIO 128M SRAM Camera Asic Memory Part MOTOR CAM_D[0:15] D[0:15] CAM_A CP_OEN CAM SSENSOR CAM_WEN CP_WEN Y[0:7] CAM_INT B'D to B'D Connector SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
  • Page 43 ⓒ Samsung Electronics Co.,Ltd. Apri. 2005 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.: GH68-06922A International and/or domestic law. BASIC.

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