GSM TELEPHONE SGH-E620 GSM TELEPHONE CONTENTS 1. Specification 2. Flow Chart of Troubleshooting 3. Exploded Views and Parts List 4. Electrical Parts List 5. Block Diagrams 6.
1. SGH-E620 Specification 1-1. GSM General Specification Freq. Band [MHz] Uplink/Downlink GSM900 EGSM 900 DCS 1800 Phase 1 Phase 2 Phase 1 890~915 880~915 1710~1785 935~960 925~960 1805~1880 1850~1910 1930~1990 512~885 512~810 0~124 & PCS1900 ARFCN range 1~124 Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz Mod. Bit rate / 270.833kbps 270.833kbps 270.833kbps Bit Period 3.692us 3.692us 3.692us 270.833kbps 3.692us 576.9us 576.9us 576.9us 4.615ms 4.615ms 4.615ms 576.9us 4.
SGH-E620 Specification 1-2.
2. SGH-E620 Flow Chart of Troubleshooting 2-1. Power On 'Power ON' does not work check the current consumption more than 100mA No Download again Yes Check the Voltage of the Battery more than 3.5V No Charge the battery Yes Check the pin J12 of U100 is more than 2.8V Check "Power On" key? No No Yes check U100 and C103 Yes Check U100 pin A13 = 2.8V No No U100 pin C12 = 1.
SGH-E620 Flow Chart of Troubleshooting VBAT C104 CN100 6 6 1 5 5 2 4 4 3 G G G G 7 8 9 10 C103 1 2 3 C109 VDD5 C10 C107 C108 C110 C111 VDD34 C11 VDD12 J13 UP_CLK UP_RST UP_IO SIM_IO SIM_RST SIM_CLK N9 R10 P10 J11 K11 K14 VSIM VRTC LED2_DRV LED1_DRV RING_DRV VIB_DRV VLDO_7 VLDO_6 VL5S_B VL5S_A VLDO_5 VL4S_B VL4S_A VLDO_4 VLDO_3 VLDO_2 VLDO_1 VACC K12 H11 G12 G13 F13 F15 C12 A14 C9 D10 B10 B11 A12 B12 A13 J12 G11 F14 CSN_PSC SCLK_PSC SDO_PSC SDI_PSC K8 L8 N7 M7 VEXT VBAT CH_BDRV CH_ISEN CH_
SGH-E620 Flow Chart of Troubleshooting 2-2. Initial Initial Failure Check the signal at the pin C15 of U100 is "LOW" when the phone is boot on No Check OSC200 1 Yes Check pin4 of OSC200 Voltage is 2.8V ? No L708,pin A13 of U100, 2 OSC700, C113 Yes Check pin3 of OSC700, Frequency is 13MHz? No Check or change OSC700 3 Check the soldered status of U302, U200 4 Check or Change U301 5 Yes Check pin10 of U302 Voltage is 2.
SGH-E620 Flow Chart of Troubleshooting 4 5 2 3 1 2 4 2 2-4
2 CAMPWR_EN 3 R309 C315 11 2-5 GND 1 GN D C313 GN D C120 GN D PWR_SW2 PWR_SW1N PSW1_B UF RESET_O MODE PWR_K EEP INTRQ VIB _RNG_EN C121 J 13 K 13 L 12 L 13 L 15 L 14 M14 N14 H19 F19 H17 G16 P15 P19 G5 V17 V19 U16 U19 W17 R13 D15 E10 A10 E9 H10 GN D C14 C15 L7 K9 N10 M9 L 10 L9 ADC_AUX2 ADC_AUX1 VREF CREF RTC_ALMN GN D J IG_ON PWR_ON PSW1_B UF RTCALARM PIO08_MCI_CMD PIO21_MCI_DA T0 PIO22_MCI_DA T1 PIO23_MCI_DA T2 PIO24_MCI_DA T3 PIO39_MCI_CMD_EN PIO40_MCI_DA T_EN PIO43_MCI_DA T0_EN X1RTC X2
SGH-E620 Flow Chart of Troubleshooting A2 XIN A1 XOUT NC NC OSC300 4 C310 1 2 R306 3 1 2 C312 VRF_2.
SGH-E620 Flow Chart of Troubleshooting 2-3.
SGH-E620 Flow Chart of Troubleshooting 2-4.Microphone Part * Call with Sim before testing. MicroPhone does not work Yes No Check the soldered status of microphone Resolder microphone Yes No Check the reference voltage on mic path R437, R439 ≒ 2.
SGH-E620 Flow Chart of Troubleshooting MIC1P R429 MIC1N MICINP R432 MICOUTP R433 C422 MIC401 C425 C426 C427 AGND R435 MICINN MICOUTN R434 C429 R436 C430 R437 C431 2-9 R439
SGH-E620 Flow Chart of Troubleshooting 2-5.Bluetooth Part * When you play MPEG file, if Audio is not active Bluetooth does not work Yes Check U602 pin5 = 2.6V? U100 C12 pin = 1.8V? No Resolder U602 or U100 1 Yes No Check pin22 of U601 ≥ 1.
SGH-E620 Flow Chart of Troubleshooting VCCD_1.8 BT_2.8 ANT601 VCCD_1.8 2 U601 3 22 8 12 7 2 1 14 15 11 16 10 9 PCM_SYNC PCM_IN PCM_OUT PCM_CLK TR_RST DEBUG_CTS DEBUG_RTS DEBUG_TXD DEBUG_RXD ANT PCM_SYNC PCM_IN PCM_OUT PCM_CLK RESETB VDD_REG VDD_UART UART_RTS UART_CTS UART_RX UART_TX PIO_0 VDD_PIO VDD_PADS PIO_3 PIO_4/UART_TX2 PIO_5/UART_RTS2 PIO_6/UART_CTS2 PIO_7/UART_RX2 PIO_8 24 20 19 25 3 6 4 17 23 C604 GND GND GND GND GND 1 5 13 18 21 26 C609 C610 BT_2.
SGH-E620 Flow Chart of Troubleshooting 2-6. Speaker Part * Call before testing.
SGH-E620 Flow Chart of Troubleshooting 1 1 1 2-13
SGH-E620 Flow Chart of Troubleshooting CAM_1.8 CAM_2.
SGH-E620 Flow Chart of Troubleshooting VCCD_2.8 U400 K6 J5 H4 A7 B7 E1 G2 A(0) A(1) A(2) K3 J3 K4 J4 C408 C409 VIB_EN C416 NEC_RST 10NF CP_WEN CP_OEN NEC_CS VCCD_1.
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 Yes Check soldered status of CN500 and connecting status between connector and PBA No Resolder CN500 or U200 1 Yes When "#"pad pressed, Pin 38 of CN500=2.
SGH-E620 Flow Chart of Troubleshooting KEY_COL(0:4) KEY_COL(0) R504 KEY_COL(1) R505 KEY_COL(2) R507 KEY_COL(3) R508 KEY_COL(4) R509 CAM 1 2 KEY_ROW(1) KEY_ROW(2) KEY_ROW(3) KEY_ROW(4) R510 R511 R512 R513 R527 ZD506 ZD507 ZD508 ZD509 CLEAR KEY-XBS 1 2 1 KEY-XBS 1 2 2 KEY-XBS 1 2 3 KEY-XBS 1 2 UP KEY-XBS 1 2 4 KEY-XBS 1 2 5 KEY-XBS 1 2 6 KEY-XBS 1 2 DOWN KEY-XBS 1 2 7 KEY-XBS 1 2 8 KEY-XBS 1 2 9 KEY-XBS 1 2 LEFT KEY-XBS 1 2 MENU KEY-XBS 1 2 * KEY-XBS 1 2 0 KEY-XBS 1 2
SGH-E620 Flow Chart of Troubleshooting 2-8.
SGH-E620 Flow Chart of Troubleshooting 2-9. GSM Receiver CONTINOUS RX ON RF INPUT : 62CH AMP : -50dbm Normal condition catch the channel ? No Check ANT, C716 1 Resolder or change C716, R706 2 No Resolder or change F700 3 No Resolder or change C724, C725, L701 4 No Resolder or change U100 5 Yes Check F700 pin 13 ≥ -65 dbm ? No Yes Check F700 pin 1,2 ≥ -65 dbm ? Yes Check U700 pin 20,21 ≥ -65dBm ? Yes Check U700 pin 32 = 2.
SGH-E620 Flow Chart of Troubleshooting 1 2 3 4 5 2-20
SGH-E620 Flow Chart of Troubleshooting 2-10. DCS Receiver CONTINOUS RX ON RF INPUT : 698CH AMP : -50dbm Normal condition catch the channel ? No ANT, C716 1 Resolder or change C716, R706 2 Check Yes Check F700 pin 13 ≥ -65 dbm ? No Yes Check F700 pin 3,4 ≥ -65 dbm ? No Resolder or change F700 3 No Resolder or change C727, C729, L707 4 No Resolder or change U100 5 Yes Check U700 pin 18, 19 ≥ -65dBm ? Yes Check U700 pin 32 = 2.
SGH-E620 Flow Chart of Troubleshooting 2 1 3 4 5 2-22
SGH-E620 Flow Chart of Troubleshooting 2-11. PCS Receiver CONTINOUS RX ON RF INPUT : 660CH AMP : -50dbm Normal condition catch the channel ? No ANT, C716 1 Resolder or change C716, R706 2 Check Yes Check F700 pin 13 ≥ -65 dbm ? No Yes Check F700 pin 5, 6 ≥ -65 dbm ? No Resolder or change F700 3 No Resolder or change C733, C735, L704 4 No Resolder or change U100 5 Yes Check U700 pin 16,17 ≥ -65dBm ? Yes Check U700 pin 32 = 2.
SGH-E620 Flow Chart of Troubleshooting 2 1 3 4 5 2-24
SGH-E620 Flow Chart of Troubleshooting SERLE SERDAT SERCLK R706 ANT700 B1 A2 C1 C2 SERLE1 SERLE2 SERDA SERCK L709 C717 L703 C724 AFC TXPOWER GSM_LNA_IN_N L701 C122 C725 F700 GSM_LNA_IN_P 13 GSM900RX1 GSM900RX2 GSM1800RX1 GSM1800RX2 GSM1900RX1 C729 DCS_LNA_IN_P 14 C733 RTX_IP RTX_IN RTX_QP RTX_QN PCS_LNA_IN_N L704 C735 PCS_LNA_IN_P VRF_2.
SGH-E620 Flow Chart of Troubleshooting 2-12. GSM Transmitter CONTINUS TX ON CONDITION Check F700 pin 10 : about 2~3 dbm? No Check F700 pin 11 : 2.8V ? Check and change CN702, C715 No TX POWER DAC : 554 CODE APPLIED CH : 62ch RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV : 10dBm ATT : 20dB Check and change U100,U200 2 Yes Yes 1 No U701 pin6 : about 4~5dbm? 1 Yes 3 F700 3 check & change U701 pin 8,20 : 3.7V ? No Battery, U100 4 check & change 7 Yes U701 pin 22 : 1.
SGH-E620 Flow Chart of Troubleshooting 2-13. DCS/PCS Transmitter CONTINUS TX ON CONDITION Check F700 pin 8 : about 2~3 dbm? No Yes 1 No Check F700 pin 9 : 2.8V ? 2 Yes Check and change CN702, C715 No TX POWER DAC : 560 CODE APPLIED CH : 698CH(DCS), 660CH(PCS) RBW : 100KHz VBW : 100KHz SPAN : 10MHz REF LEV : 10dBm ATT : 20dB Check and change U100,U200 U701 pin31 : about 4~5dbm? 1 Yes 3 F700 3 check & change U701 pin 43,42 : 3.7V ? No Battery, U100 4 check & change 7 Yes U701 pin 22 : 1.
3. SGH-E620 Exploded View and its Parts list 3-1.
SGH-E620 Exploded view and its Part list 3-2. Cellular phone Parts list Location NO.
SGH-E620 Exploded view and its Part list 3-3. Test Jig (GH80-03307A) 3-3-1. RF Test Cable (GH39-00283A) 3-3-2. Test Cable (GH39-00304A) 3-3-3. Serial Cable 3-3-4. Power Supply Cable 3-3-5. DATA CABLE (GH39-00294A) 3-3-6.
4.
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 2007-000171 R429 R-CHIP 2007-000140 R613 R-CHIP 2007-000171 R434 R-CHIP 2007-000140 R614 R-CHIP 2007-000171 R440 R-CHIP 2007-000140 R638 R-CHIP 2
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 2007-008542 R633 R-CHIP 2007-001291 R424 R-CHIP 2007-008542 R634 R-CHIP 2007-001305 R514 R-CHIP 2007-008542 R635 R-CHIP 2007-001305 R515 R-CHIP 2
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 2203-005288 C725 C-CER,CHIP 2203-000654 C436 C-CER,CHIP 2203-005444 C728 C-CER,CHIP 2203-000654 C438 C-CER,CHIP 220
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 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 2901-001286 F500 FILTER-EMI SMD 2203-006093 C610 C-CER,CHIP 2901-001286 F501 FILTER-EMI SMD 2203-006108 C113 C-CE
5.
SGH-E620 PCB Diagrams F40 2 U2 0 1 ZD52 3 U50 0 Z D50 2 U40 3 F5 0 3 ZD40 1 F5 0 1 U4 0 1 F40 1 ZD40 5 ZD50 7 LED51 0 S TO UP I LEFT RI GHT TP30 4 ZD52 8 ZD52 5 LED51 3 LED51 4 TP30 3 ZD52 4 ZD52 7 ZD52 6 CAM V OL 3 0 0 MENU LED50 6 LED50 9 LED51 1 DOWN PWR SEND LED50 1 LED50 5 CLEAR TP30 2 TP30 6 ROM3 RAM2 ROM4 1 DAIC K DAI RNDAIDO DAI DI TP61 1 2 LED51 6 LED51 2 C10 1 3 ZD51 0 ZD50 0 LED51 5 LED50 2 Z D50 5 ZD50 3 4 TP61 2 TP60 2 6 5 LED50 8 LED50 7 7
6.
SGH-E620 Block Diagrams 6-2 Base Band Part X-TAL 13MHz BLUETOOTH TRIDENT HP TXIP CSP2600 ACC DSP16000 TXQP IO TXQN RWN RS232 PPI DB(15:0) Peripheral I/O) INT1 GPIO SIM I/O PAx RSTB SMART RXIP RWN TX I/Q RXIN AB(8:0) RX I/Q RXQP TXP RXQN DB(15:0) IRQx ARM946 IO AB(8:0) (Programmable TXIN CARD INT1 SERCK SERCK IRQx SERLE SERLE PAx SERDA SERDA RSTB - RFIC - PAM TXP OCTL X-TAL 32.
This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. ⓒ Samsung Electronics Co.,Ltd. Apri. 2005 Printed in Korea. Code No.: GH68-06922A BASIC.
