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Flow Chart of Troubleshooting

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This Document can not be used without Samsung's authorization

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Содержание SGH-C170

Страница 1: ...EPHONE CONTENTS 1 Specification 2 Exploded View and Parts list 3 Chart of Troubleshooting 4 Array course control 5 Block Diagrams 6 PCB Diagrams 7 MAIN Electrical Parts List 8 Reference data 9 Safety Precautions 10 Product Function ...

Страница 2: ...iew 2 1 2 2 Cellular phone Parts list 2 2 2 3 Disassembly 2 9 2 4 Assembly 2 11 3 Chart of Troubleshooting 3 1 Baseband 3 1 3 1 1 Power ON 3 1 3 1 2 System Initial 3 5 3 1 3 SIM Part 3 8 3 1 5 Microphone Part 3 12 3 1 6 Receiver part 3 15 3 1 7 Speaker Part 3 18 3 2 RF 3 13 3 2 1 EGSM Rx 3 23 3 2 2 DCS Rx 3 24 3 2 3 EGSM Tx 3 25 3 2 4 DCS Tx 3 27 ...

Страница 3: ... for Downloading 4 2 4 3 S W Downloader Program 4 3 5 Block Diagrams 6 PCB Diagrams 7 MAIN Electrical Parts List 8 Reference data 8 1 Reference Abbreviate 8 1 9 Safety Precautions 9 1 Repair Precaution 9 1 9 2 ESD Electrostaically Sensitive Devices Precaution 9 2 10 Product Function ...

Страница 4: ...range 0 124 975 1023 512 885 Tx Rx spacing 45 MHz 95 MHz Mod Bit rate Bit Period 270 833 kbps 3 692 us 270 833 kbps 3 692 us Time Slot Period Frame Period 576 9 us 4 615 ms 576 9 us 4 615 ms Modulation 0 3 GMSK 0 3 GMSK MS Power 33 dBm 5 dBm 30 dBm 0 dBm Power Class 5 pcl 19 pcl 0 pcl 15 pcl Sensitivity 102 dBm 100 dBm TDMA Mux 8 8 Cell Radius 35 Km 2 Km ...

Страница 5: ...m 10 23 2 dBm 11 21 2 dBm 12 19 2 dBm 13 17 2 dBm 14 15 2 dBm 15 13 2 dBm 16 11 3 dBm 17 9 3 dBm 18 7 3 dBm 19 5 3 dBm TX Power control level DCS1800 0 30 3 dBm 1 28 3 dBm 2 26 3 dBm 3 24 3 dBm 4 22 3 dBm 5 20 3 dBm 6 18 3 dBm 7 16 3 dBm 8 14 3 dBm 9 12 4 dBm 10 10 4 dBm 11 8 4 dBm 12 6 4 dBm 13 4 4 dBm 14 2 5 dBm 15 0 5 dBm ...

Страница 6: ...ice 2 Exploded View and Parts List 2 1 This Document can not be used without Samsung s authorization 2 1 Cellular phone Exploded View QMW02 QFR01 QVO02 QSP01 QMP01 QMO01 QAN10 QBR16 QAN01 QRE01 QCR10 QSC01 QRF01 QLC01 QKP01 QME01 QRF03 QBA01 QBC00 QCR04 ...

Страница 7: ...KET LID GH70 02201A QCR04 SCREW MACHINE 6001 001479 QCR10 SCREW MACHINE 6001 001633 QFR01 ASSY CASE FRONT GH98 04178A QKP01 ASSY KEYPAD SER ZR GH98 04525A QLC01 LCD MAIN MODULE SGHC170 GH07 01085A QME01 UNIT KEY PBA GH59 03873A QMO01 MOTOR DC SGH C170 GH31 00333A QMP01 PBA MAIN SGHC170 PBA MAIN GH92 03260A QMW02 PMO COVER MIAN WINDOW GH72 38551A QRF01 PMO COVER RF GH72 38552A QSC01 RMO SCREW CAP G...

Страница 8: ... BAG PE 6902 000297 ADAPTOR SGHE690 BLK EU A_TYPE GH44 01361A UNIT 20P EARPHONE BLK B TYPE GH59 04029A MANUAL SFC GH68 04336A LABEL P BARCODE RUSSIA GH68 08494A LABEL R WATER SOAK GH68 09361A MANUAL USERS EU RUSSIAN GH68 13837A LABEL R MAIN SER GH68 13958B BOX P UNIT MAIN SER GH69 05058B MPR GASKET TAPE GH74 27014A MPR TAPE MAIN WINDOW GH74 31056A TAPE INSU GH74 33024A ...

Страница 9: ...sembly of MOTOR Remove MOTOR by using tweezers caution Be careful not to damage MOTOR wires Disassembly of SPEAKER Remove SPEAKER by using tweezers caution Be careful not to damage SPEAKER wires Removal of SCREW Remove SCREWs 6 POINT Disassembly of REAR Disassemble REAR LOCKING PARTs from lower to upper side by using a disassembly stick 3 upper 2 middle 2 middle 1 lower 1 lower ...

Страница 10: ...thorization 5 8 7 6 Disassembly of CONNECTOR Remove 3 4 KEY F PCB from CONNECTOR caution Be careful not to damage Key FPCB Disassembly of PBA ASS Y The disassembled state of 3 4 KEY and PBA ASS Y Removal of PBA Remove PBA from the external part Removal of disassembling preventive TAPE Remove disassembling preventive TAPE by using tweezers ...

Страница 11: ...tary Contents may change without notice Exploded View and Parts List 2 6 This Document can not be used without Samsung s authorization 9 Removal of LCD MODULE 1 Remove SOLDERING Part of LCD MODULE 2 Remove LCD MODULE ...

Страница 12: ...s authorization 2 4 Assembly 1 4 3 2 SPEAKER SOLDERING Solder SPEAKER as you see above Inserting LCD MODULE into to the external part a Remove cover tape and place LCD FPCB along to the slikline b Put PBA into to the Soldering Jig and solder LCD FPCB to the PCB Ready for PBA Ready for PBA MOTOR SOLDERING Solder MOTOR as you see above ...

Страница 13: ... Key FPCB Assemble 3 4 KEY F PCB to the CONNECTOR as you see above Attaching of disassembling preventive TAPE Attach disassembling preventive TAPE on the CONNECTOR Assembly of LCD a Remove double stick tape on the back of LCD b Assemble LCD to the PBA Assembly of KEY PCB TAPE a Put KEY PCB according to base holes as you see above b Put conductive tape as you see above ...

Страница 14: ...ocument can not be used without Samsung s authorization 9 12 11 10 Assembly of MOTOR Assemble MOTOR into the external part Assembly of KEY PAD Put KEY PAD into the FRONT as you see above Assembly of PBA Insert PBA into the external part Assembly of SPEAKER Assemble SPEAKER into the external part ...

Страница 15: ...ent can not be used without Samsung s authorization 13 15 14 Assembly of SCREW Put the SCREWs into the holes 6 POINT Assembly of PBA Put PBA from lower to upper side Assembly of REAR Put REAR as you see above From upper to lower side 1 lower 3 upper 2 middle 3 upper 2 middle 2 middle 1 lower 1 lower ...

Страница 16: ... 8V Check UCP101 and C117 Pin A13 and pin A14 2 8V Check UCP101 and C118 Freq 26MHz Vpp 400mV Vpp 600mV Check the clock generation circuit related to OSC400 Check the initial operation END No Yes Yes Yes Yes Yes Yes No No No No pin G11 1 8V No Yes Check the current consumption Check the Vbat Voltage Check the pin of UCP101 Check the clock signal at pin 21 of U300 Current consumption 100mA Check th...

Страница 17: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 3 2 This Document can not be used without Samsung s authorization ...

Страница 18: ...V G12 LED2_DRV 6 R C M 4 1 M N N I C I M 9 J 5 1 S D N G 0 1 J 6 1 S D N G 0 1 K 7 1 S D N G 8 F 2 S D N G 9 F 3 S D N G 0 1 F 4 S D N G 7 G 5 S D N G 8 G 6 S D N G 9 G 7 S D N G 0 1 G 8 S D N G 6 H 9 S D N G 3 P R T N I D 6 F B D N G 0 1 M D D N G 8 E Q D N G 7 F 1 S D N G 7 H 0 1 S D N G 8 H 1 1 S D N G 9 H 2 1 S D N G 7 J 3 1 S D N G 8 J 4 1 S D N G DB13 E3 D3 DB14 D2 DB15 K3 DB2 DB3 J5 J6 DB4 ...

Страница 19: ...BAT 4 1 I B B _ C C V 4 4 2 Q B B _ C C V E F _ C C V 1 F E R _ C C V 7 1 VCC_TXVCO 3 1 2 1 RX850 1 3 RX850B 0 3 RX900 9 2 RX900B K L C S 6 A T A D S 5 N E S 7 1 1 TXOP_HI 0 1 N I F E R 0 2 9 1 B N I F E R 1 2 P O _ F E R 8 2 RX1800 RX1800B 7 2 RX1900 6 2 RX1900B 5 2 2 3 GND 3 3 2 I 3 B I 8 C N 4 3 C N C N 5 3 Q 3 2 B Q 2 2 U300 2 GND1 GND2 4 HOT 1 3 HOT OSC400 C301 C303 AFC GSM_PAM_IN DPCS_PAM_IN...

Страница 20: ...J12 of UCP101 2 8V Check the UCP101 if it has some problem it is to be replaced Yes No Is the pin K9 of UCP101 Low High Yes No Check the UCP101 if it has some problem it is to be replaced There is 32 768kHz wave forms at the C218 and C219 Yes No Check the UCP201 The voltage is High at the C115 C116 C117 Check the UCP101 LCD display is O K No Yes Yes Check the LCD part No Sound is O K Yes No Check ...

Страница 21: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 3 6 This Document can not be used without Samsung s authorization ...

Страница 22: ...P_A8 B17 C17 XCP_A9 A13 XCP_CSRAMEN XCP_CSROMEN A12 XCP_D0 A6 B5 XCP_D1 XCP_D10 B3 XCP_A19 L14 XCP_A2 E14 XCP_A20 L15 L16 XCP_A21 D15 XCP_A3 B15 XCP_A4 XCP_A5 C14 A16 XCP_A6 XCP_A11 F14 XCP_A12 G14 G13 XCP_A13 XCP_A14 G17 J12 XCP_A15 K12 XCP_A16 XCP_A17 K13 K14 XCP_A18 XAG1 A11 XAG2 E11 D11 XAG3 XBSWN B7 XCPTSTSTOP_CKO M12 B13 XCP_A0_BEON F11 XCP_A1 D16 XCP_A10 S S V 1 1 H 7 J S S V 6 K S S V 0 1 ...

Страница 23: ...out Samsung s authorization 3 1 3 Sim Part Check the voltage at pin 1 of SIM103 2 8V Insert SIM is displayed on the LCD Check the SIM connector s SIM103 connection to SIM card Check the UCP101 Resolder or change SIM103 END No Yes Yes Yes Yes No No Is there any signals pin 2 3 4 of SIM103 Check the UCP101 Check the SIM Card ...

Страница 24: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 3 9 This Document can not be used without Samsung s authorization ...

Страница 25: ...Samsung s authorization 3 1 4 Microphone Part Is the assembled status of Key FPCB O K Microphone does not work Reassembled the Key FPCB Resolder or change R124 R128 R129 R130 R131 R132 R133 C137 C138 C142 VR201 VR202 END No Yes Yes Yes Yes No Is microphone ok No Check UCP101 Check the reference voltage on mic path VR201 2 0V Yes ...

Страница 26: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 3 11 This Document can not be used without Samsung s authorization ...

Страница 27: ... O K No Replace the Receiver Yes No Yes Check UCP101 R122 123 Is there any signals at the pin P11 and pin N12 of UCP101 END Yes Is there any signals at the pin 3 and pin 9 of UCP104 Check U104 No Yes There is no sound from the Speaker Is the terminal of Speaker O K Replace the Speaker Is there any signals at the pin 17 and pin 18 of U106 END Yes Yes Yes No No Check UCP106 R116 R119 Is there any si...

Страница 28: ...ung s authorization 2 _PPR 8 BAT GND 5 9 GND 6 IMIN IREF 7 VIN 1 _CHG 3 4 _EN U105 C145 C144 R135 R136 VCCD_2 9V VBAT C143 R134 TA_VEXT_5V CHG_OFF ICHRG CHG_DET R125 NO1 2 NO2 10 V 1 3 COM1 9 COM2 6 GND 11 GND IN1 4 8 IN2 NC1 5 NC2 7 U104 R116 R119 R122 R123 VBAT C135 AUDIO_PA_SPK_N AUDIO_PA_SPK_P AOUTAP AOUTAN AUDIO_SEL SPK_N SPK_P ...

Страница 29: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 3 14 This Document can not be used without Samsung s authorization ...

Страница 30: ... pin 19 20 of U300 26M hz Check the pin 2 3 22 23 of U40 0 Vp p 120mV END Resolder or Change RFS400 L301 L302 L304 C302 C305 Resolder or Change PAM400 Check soldered status of C318 C320 L309 Resolder or change UCP pinA13 C116 Resolder or Change OSC400 Resolder or Change U300 Normal Condition Catch the channel Check pin 16 of PAM400 65dBm GSM Receiver is O K GSM RX path component resolder or change...

Страница 31: ...p 120mV END Resolder or Change RFS400 L301 L302 L304 C302 C305 Resolder or Change PAM400 Check soldered status of C308 C312 L306 Resolder or change UCP pinA13 C116 Resolder or Change OSC400 Resolder or Change U300 Normal Condition Catch the channel Check pin 20 of PAM400 65dBm GSM Receiver is O K GSM RX path component resolder or change Check soldered status of ANT R300 C300 C304 L303 YES YES YES ...

Страница 32: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 3 17 This Document can not be used without Samsung s authorization ...

Страница 33: ...e UCP201 UCP101 No CONTINUS TX ON CONDITION TX POWER DAC 554 CODE APPLIED CH 62ch RBW 100KHz VBW 100KHz SPAN 10MHz REF LEV 10dBm ATT 20dB PAM400 pin 11 about 4 5dbm Yes No Yes PAM400 pin 7 3 7V U300 check change No Battery UCP101 check change Yes PAM400 pin 8 1 2V No UCP101 check Yes PAM400 pin 6 3V No UCP101 check U300 pin 2 3 22 23 100mV PAM400 change or resolder UCP101 change or resolder No Yes...

Страница 34: ...Bm ATT 20dB Check PAM400 pin 6 2 8V PAM400 pin 1 about 4 5dbm No Check PAM400 pin 16 about 2 3 dbm No Check and change UCP201 UCP101 Yes No Yes Check and change RFS400 C302 L301 L302 Yes U300 check change No Battery PAM400 check change Yes No PAM400 check Yes No Yes No UCP101 check Yes PAM400 change or resolder U300 pin 2 3 22 23 100mV No UCP101 change or resolder Yes U300 change or resolder PAM40...

Страница 35: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting 3 20 This Document can not be used without Samsung s authorization 1 2 4 5 6 7 8 3 2 ...

Страница 36: ...6 ANT302 1 1 2 2 3 3 4 4 L306 7 5NH C326 C325 G 2 G 5 IN 1 OUT 3 4 OUT F401 R300 R302 L304 L301 10 VCC1 VCC2 3 VMOD_EN 9 VRAMP 8 6 VTX GSM900_IN 11 14 NC 18 NC RX1 20 16 RX2 2 V1 VBATT 7 4 VBS 12 ANT DCSIN 1 GND 5 13 GND GND 15 GND 17 GND 19 GND 21 PAM400 L309 C311 2 A C 3 G 1 G 4 RFS400 C306 C324 L302 L303 L307 OUT F400 2 G 5 G 1 IN OUT 3 4 VBAT ANT DPCS_PAM_IN GSM_LNA_IN_N GSM_LNA_IN_P DCS_LNA_I...

Страница 37: ...G Proprietary Contents may change without notice 4 Array course control 4 1 This Document can not be used without Samsung s authorization Test Jig GH80 00865A RF Test Cable GH39 00397A Test Cable GH39 00484A ...

Страница 38: ...cument can not be used without Samsung s authorization Software Downloading 4 1 Downloading Binary Files Three binary files for downloading C170 C170XXYY s3 Main source code binary 4 2 Pre requsite for Downloading Downloader Program OptiFlash exe C170 Mobile Phone Data Cable Binary files ...

Страница 39: ...ithout Samsung s authorization 4 3 S W Downloader Program 1 Load the binary download program by executing the OptiFlash exe 2 Select the Options Settings Generic Specify hardware platform Choose hardware platform for the downloader file setting Set the everything else as the default values which are shown below ...

Страница 40: ...ation 3 Select the COM port when the download cable is connected Up to twelve ports are supported Additionally you can select the maximum transfer speed OptiFlash will use to communicate with the phone However OptiFlash will use a slower speed if either the PC s or the phone s serial hardware is incapable of handling the selected speed ...

Страница 41: ...ed without Samsung s authorization 4 Select the Flash Verify Browse Set the directory path and choose the latest s w binary for example C170XXYY s3 for the downloader binary setting Make sure that not to change the reserved memory regions In case of C140 the reserved memory regions are 0x00008000 0x0001ffff ...

Страница 42: ...ng Flash button push the button and END at the same time Then press Flash Downloader will upload the binary file as below for the downloading 6 When downloading is finished successfully there is a All is well message 7 After finishing downloading Certain memory resets should be done to guarantee the normal performance 8 Confirm the downloaded version name and etc 1111 Full Reset 2767 3855 ...

Страница 43: ...SAMSUNG Proprietary Contents may change without notice 5 Block Diagrams 5 1 This Document can not be used without Samsung s authorization ...

Страница 44: ... G7 G8 GND_J 1 0 1 C F I INTRQ JIG_ON_J OSC201 0 0 4 C S O 0 0 4 M A P PWR_KEEP Q100 0 0 4 S F R RXD SDS_RXD_JSDS_TXD_J SIM103 1 0 1 K P S TP202 TP203 TP204 TP_A 1 TP_CSRAM TP_CSROM TP_D 1 TP_OE TP_WE TXD 2 0 1 U 4 0 1 U 5 0 1 U U106 9 0 1 U 1 0 2 U U202 0 0 3 U U301 2 0 3 U 1 0 1 P C U UCP201 UME206 1 0 1 V 2 0 1 V V103 V104 VBAT_J 1 0 2 R V 2 0 2 R V VR203 ZD101 2 0 1 D Z 3 0 1 D Z ...

Страница 45: ... Proprietary Contents may change without notice PCB Diagrams 6 2 This Document can not be used without Samsung s authorization CN223 CP_TCK CP_TDI CP_TDO CP_TMS FPC1 GND1 RST TP301 TP302 TP_VCCD1 8 ZD201 ZD202 ...

Страница 46: ...002356 U102 IC AUDIO AMP SA 1201 002364 PAM400 IC POWER AMP SA 1203 003663 U105 IC BATTERY SA 1203 003897 UCP101 IC POWER SUPERVISOR SA 1203 004051 U302 IC DC DC CONVERTER SA 1204 001811 U106 IC MELODY SA 1204 002688 U201 IC DEMODULATOR SA 1205 003098 U300 IC TRANSCEIVER SA 1209 001712 U202 IC SENSOR SA 1405 001082 V102 VARISTOR SA 1405 001082 V103 VARISTOR SA 1405 001082 V104 VARISTOR SA 1405 001...

Страница 47: ...IP SA 2007 008051 R127 R CHIP SA 2007 008051 R216 R CHIP SA 2007 008052 R213 R CHIP SA 2007 008052 R214 R CHIP SA 2007 008055 R102 R CHIP SA 2007 008055 R103 R CHIP SA 2007 008055 R130 R CHIP SA 2007 008055 R133 R CHIP SA 2007 008055 R134 R CHIP SA 2007 008055 R203 R CHIP SA 2007 008055 R208 R CHIP SA 2007 008055 R209 R CHIP SA 2007 008403 R207 R CHIP SA 2007 008403 R211 R CHIP SA 2007 008419 R107...

Страница 48: ...201 R CHIP SA 2203 000233 C220 C CER CHIP SA 2203 000233 C224 C CER CHIP SA 2203 000386 C218 C CER CHIP SA 2203 000386 C219 C CER CHIP SA 2203 000386 C345 C CER CHIP SA 2203 000438 C139 C CER CHIP SA 2203 000438 C350 C CER CHIP SA 2203 000438 C363 C CER CHIP SA 2203 000438 C365 C CER CHIP SA 2203 000466 C321 C CER CHIP SA 2203 000627 C353 C CER CHIP SNA 2203 000654 C133 C CER CHIP SA 2203 000812 C...

Страница 49: ... CHIP SA 2203 005682 C347 C CER CHIP SA 2203 005682 C349 C CER CHIP SA 2203 005683 C308 C CER CHIP SA 2203 005683 C312 C CER CHIP SA 2203 005717 C204 C CER CHIP SA 2203 005717 C226 C CER CHIP SA 2203 005719 C301 C CER CHIP SA 2203 005719 C307 C CER CHIP SA 2203 005719 C310 C CER CHIP SA 2203 005719 C318 C CER CHIP SA 2203 005719 C320 C CER CHIP SA 2203 005729 C149 C CER CHIP SA 2203 005736 C208 C ...

Страница 50: ... CHIP SA 2203 006257 C223 C CER CHIP SA 2203 006257 C357 C CER CHIP SA 2203 006257 C358 C CER CHIP SA 2203 006260 C327 C CER CHIP SA 2203 006260 C366 C CER CHIP SA 2203 006260 C368 C CER CHIP SA 2203 006318 C305 C CER CHIP SA 2203 006324 C108 C CER CHIP SA 2203 006324 C135 C CER CHIP SA 2203 006348 C114 C CER CHIP SA 2203 006348 C115 C CER CHIP SA 2203 006348 C116 C CER CHIP SA 2203 006348 C117 C ...

Страница 51: ... CHIP SA 2203 006423 C367 C CER CHIP SA 2203 006556 C107 C CER CHIP SA 2203 006556 C225 C CER CHIP SA 2203 006556 C302 C CER CHIP SA 2203 006556 C322 C CER CHIP SA 2203 006562 C124 C CER CHIP SA 2203 006562 C221 C CER CHIP SA 2203 006620 C122 C CER CHIP SNA 2203 006620 C123 C CER CHIP SNA 2203 006626 C316 C CER CHIP SA 2203 006648 C121 C CER CHIP SA 2203 006648 C207 C CER CHIP SA 2203 006648 C354 ...

Страница 52: ...A 2703 002917 L302 INDUCTOR SMD SA 2703 002989 L201 INDUCTOR SMD SA 2801 003856 OSC201 CRYSTAL SMD SA 2801 004587 OSC400 CRYSTAL SMD SA 2904 001592 F401 FILTER SAW SA 2904 001599 F400 FILTER SAW SA 3301 001534 L312 BEAD SMD SA 3301 001729 L100 BEAD SMD SA 3301 001729 L101 BEAD SMD SA 3301 001729 L102 BEAD SMD SA 3705 001358 RFS400 CONNECTOR COAXIAL SA 3708 002222 CN223 CONNECTOR FPC FFC PIC SA 370...

Страница 53: ... C CER CHIP SA 2203 005450 C300 C CER CHIP SA 2203 005481 C222 C CER CHIP SA 2203 006137 C120 C CER CHIP SA 2203 006708 C118 C CER CHIP SA 2203 006885 C143 C CER CHIP SA 2404 001496 C110 C TA CHIP SA 2404 001496 C127 C TA CHIP SA 2404 001496 C137 C TA CHIP SA 2703 001236 L314 INDUCTOR SMD SA 3710 002477 IFC101 SOCKET INTERFACE SA GH70 02200A L308 IPR BRACKET FRAME SA 2703 001180 L104 INDUCTOR SMD ...

Страница 54: ...SK Binary Phase Shift Keying CA Conditional Access CDM Code Division Multiplexing C I Carrier to Interference DMB Digital Multimedia Broadcasting EN European Standard ES Elementary Stream ETSI European Telecommunications Standards Institute MPEG Moving Picture Experts Group PN Pseudo random Noise PS Pilot Symbol QPSK Quadrature Phase Shift Keying RS Reed Solomon SI Service Information TDM Time Div...

Страница 55: ...orn away Use a thicken twisted wire when you measure level A thicken twisted wire has low resistance therefore error of measurement is few Repair after separate Test Pack and Set because for short danger for example an overcurrent and furious flames of parts etc when you repair board in condition of connecting Test Pack and tuning on Take specially care of soldering because Land of PCB is small an...

Страница 56: ...ined your body before you touch semiconductor or parts with semiconductor There are ways that you touch an earthed place or wear static electricity prevention string on wrist Use earthed soldering steel when you connect or disconnect ESD Use soldering removing tool to break static electricity otherwise ESD will be damaged by static electricity Don t unpack until you set up ESD on product Because m...

Страница 57: ...nction 10 1 This Document can not be used without Samsung s authorization Main Function Speed dial SDN Service Dialling Number Network services Read SMS messages SOS messages Voicemail Web browser Alarm Calendar Time and date Calculator Task list Voice memo FM Radio etc ...

Страница 58: ...d or domestic law Samsung Electronics Co Ltd 2007 04 Rev 1 0 ⓒ Country Web Site North America service samsungportal com Latin America latin samsungportal com CIS cis samsungportal com Europe europe samsungportal com China china samsungportal com Asia asia samsungportal com Mideast Africa mea samsungportal com GSPN Global Service Partner Network ...

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