Samsung SGH-I740c Service Manual Download

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GSM TELEPHONE

SGH-I7

40c

1. Safety Precautions

2. Specification

3. Product Function

4. Array course control

5. Exploded View and Parts list

6. MAIN Electrical Parts List

7. Disassembly and Assembly

Instructions

8. Block Diagrams

9. PCB Diagrams

10. Chart of Troubleshooting

11. Reference data

GSM TELEPHONE

CONTENTS

efrcom

Summary of Contents for SGH-I740c

Page 1: ...cation 3 Product Function 4 Array course control 5 Exploded View and Parts list 6 MAIN Electrical Parts List 7 Disassembly and Assembly Instructions 8 Block Diagrams 9 PCB Diagrams 10 Chart of Troubleshooting 11 Reference data GSM TELEPHONE CONTENTS efrcom ...

Page 2: ... or domestic law Samsung Electronics Co Ltd 2008 07 Re v 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 ...

Page 3: ...pacing 45MHz 45MHz 95MHz 80MHz Mod Bit rate Bit Period 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us 270 833kbps 3 692us Time Slot Period Frame Period 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms 576 9us 4 615ms Modulation 0 3GMSK 0 3GMSK 0 3GMSK 0 3GMSK MS Power 33dBm 5dBm 33dBm 5dBm 30dBm 0dBm 30dBm 0dBm Power Class 5pcl 19pcl 5pcl 19pcl 0pcl 15pcl 0pcl 15pcl Sensitivity 102dBm ...

Page 4: ...0 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 3dBm 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 TX Power control level PCS1900 0 30 3 dBm 1 28 3 dBm 2 26 3 dBm 3 24 3 dBm 4 ...

Page 5: ... Design 2 5G MITS 3 0 Megapixel Camera 2 8 QVGA 262K Color TFT Screen External Memory microSD T Flash Video Recording Messaging Music Player MP3 AAC AAC FM Radio Support A GPS Support Bluetooth Wireless Technology V 2 0 EDR Multimedia Message Service MMS SMS E mail Voice recorder Speaker Phone Java MIDP 2 0 WAP2 0 GSM GPRS Class 10 Quad band 850 900 1800 1900MHz ...

Page 6: ...PSK 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 Di...

Page 7: ...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...

Page 8: ...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...

Page 9: ...ents may change without notice 4 Array course control 4 1 This Document can not be used without Samsung s authorization 4 1 Software Adjustments TEST JIG BOX GH80 03308A RF TEST CAB GH39 00985A TEST CAB GH39 00993A GH39 00990A ...

Page 10: ...am QINGDAO DOWNLOADER V0 4 EXE SGH i740c Mobile Phone USB Data Cable of DLC JIG UART Data Cable Serial Cabel of DLC JIG Binary files PDA Phone binary 4 2 2 S W Downloader Program 4 2 2 1 Phone S W Downloading Load the binary download program by executing the QINGDAO DOWNLOADER V0 4 EXE 1 Select the connected serial port and the rate of speed 2 Select the file what you want to download 3 Then click...

Page 11: ...ce Array course control 4 3 This Document can not be used without Samsung s authorization 4 2 2 2 PDA S W Downloading Load the binary download program by executing the Windows Mobile PPC Fedora Qingdao2 _v0 1 exe 1 Select a profile SGH i740c WM6 LV image ...

Page 12: ...ts may change without notice Array course control 4 4 This Document can not be used without Samsung s authorization 2 Click Loader and PDA button for selecting the image to download 3 Click the Detect button and device power on ...

Page 13: ...Parts List 5 1 This Document can not be used without Samsung s authorization 5 1 Cellular phone Exploded View QFR01 QKP01 QME03 QLC01 QLB01 QVO01 QMO01 QST01 QCA01 QCR68 QSP01 QAR01 QCR12 QJK01 QCK01 QAN05 QMP01 QAN01 QRE01 QRF01 QCR04 QBA02 QBA00 QCR57 QCK02 QSD01 QAN02 QIF01 ...

Page 14: ...4 SCREW MACHINE 6001 001479 QCR12 SCREW MACHINE 6001 001530 QCR57 SCREW MACHINE 6001 002001 QCR68 SCREW TAPPING 6002 001399 QFR01 ASSY CASE FRONT GH98 07168B QIF01 PMO COVER IF GH72 46329A QJK01 UNIT OPTICAL JOYSTICK GH59 05581A QKP01 ASSY KEYPAD CIS GRY GH98 09348B QLB01 ASSY BRACKET LCD GH98 07170A QLC01 LCD MODULE SGHI728 GH07 01230A QME03 UNIT TOUCHPANNEL GH59 06036A QMO01 MOTOR DC SGHI728 GH3...

Page 15: ...601 DIODE TVS SA 0406 001210 ZD602 DIODE TVS SA 0406 001210 ZD603 DIODE TVS SA 0406 001210 ZD604 DIODE TVS SA 0406 001215 D504 DIODE TVS SA 0406 001215 D505 DIODE TVS SA 0406 001215 D801 DIODE TVS SA 0406 001215 D802 DIODE TVS SA 0406 001231 D804 DIODE TVS SA 0406 001231 D806 DIODE TVS SA 0406 001231 D809 DIODE TVS SA 0406 001231 ZD703 DIODE TVS SA 0406 001231 ZD704 DIODE TVS SA 0406 001231 ZD705 ...

Page 16: ...GIC SA 0801 003013 U808 IC CMOS LOGIC SA 0801 003013 U809 IC CMOS LOGIC SA 0801 003013 U810 IC CMOS LOGIC SA 0801 003016 U401 IC CMOS LOGIC SA 0801 003016 U901 IC CMOS LOGIC SA 0801 003016 U902 IC CMOS LOGIC SA 0801 003031 U206 IC CMOS LOGIC SA 0801 003052 U403 IC CMOS LOGIC SA 0801 003052 U806 IC CMOS LOGIC SA 0801 003076 U404 IC CMOS LOGIC SA 0902 002235 UCP901 IC MICROPROCESSOR SA 0902 002279 M...

Page 17: ...C VOL DETECTOR SA 1203 004043 U705 IC MULTI REG SA 1203 004435 U713 IC MULTI REG SA 1203 004507 U101 IC POSI FIXED REG SA 1203 004540 U711 IC DC DC CONVERTER SA 1203 004838 U502 IC BATTERY SA 1203 004841 U501 IC POWER SUPERVISOR SA 1203 004931 U707 IC MULTI REG SA 1203 004956 U801 IC DC DC CONVERTER SA 1203 005069 U702 IC POSI FIXED REG SA 1204 002746 MOD203 IC TUNER SA 1205 002720 U602 IC CODEC S...

Page 18: ...IP SA 2007 000143 R313 R CHIP SA 2007 000148 R205 R CHIP SA 2007 000148 R302 R CHIP SA 2007 000148 R316 R CHIP SA 2007 000148 R905 R CHIP SA 2007 000148 R906 R CHIP SA 2007 000148 R912 R CHIP SA 2007 000148 R913 R CHIP SA 2007 000148 R914 R CHIP SA 2007 000148 R917 R CHIP SA 2007 000151 R907 R CHIP SA 2007 000157 R506 R CHIP SA 2007 000157 R705 R CHIP SA 2007 000161 R203 R CHIP SA 2007 000161 R204...

Page 19: ...IP SA 2007 000170 R525 R CHIP SA 2007 000170 R728 R CHIP SA 2007 000171 R214 R CHIP SA 2007 000171 R215 R CHIP SA 2007 000171 R301 R CHIP SA 2007 000171 R402 R CHIP SA 2007 000171 R403 R CHIP SA 2007 000171 R407 R CHIP SA 2007 000171 R505 R CHIP SA 2007 000171 R601 R CHIP SA 2007 000171 R608 R CHIP SA 2007 000171 R609 R CHIP SA 2007 000171 R628 R CHIP SA 2007 000171 R629 R CHIP SA 2007 000171 R631...

Page 20: ...IP SA 2007 001339 R722 R CHIP SA 2007 003010 R708 R CHIP SA 2007 003010 R709 R CHIP SA 2007 003010 R723 R CHIP SA 2007 007100 R401 R CHIP SA 2007 007107 R309 R CHIP SA 2007 007107 R310 R CHIP SA 2007 007107 R405 R CHIP SA 2007 007107 R406 R CHIP SA 2007 007107 R602 R CHIP SA 2007 007107 R603 R CHIP SA 2007 007107 R622 R CHIP SA 2007 007107 R623 R CHIP SA 2007 007107 R626 R CHIP SA 2007 007107 R627...

Page 21: ...R714 R CHIP SA 2007 007538 R511 R CHIP SA 2007 007573 R304 R CHIP SA 2007 007585 R808 R CHIP SA 2007 007671 R818 R CHIP SA 2007 007697 R530 R CHIP SA 2007 008354 R306 R CHIP SA 2007 008354 R716 R CHIP SA 2007 008456 R711 R CHIP SA 2007 008708 R904 R CHIP SA 2007 008739 R518 R CHIP SA 2007 008739 R519 R CHIP SA 2007 008739 R520 R CHIP SA 2007 008739 R521 R CHIP SA 2007 008739 R522 R CHIP SA 2007 00...

Page 22: ... CHIP SA 2203 000254 C607 C CER CHIP SA 2203 000254 C608 C CER CHIP SA 2203 000254 C609 C CER CHIP SA 2203 000254 C626 C CER CHIP SA 2203 000254 C630 C CER CHIP SA 2203 000254 C910 C CER CHIP SA 2203 000254 C913 C CER CHIP SA 2203 000254 C925 C CER CHIP SA 2203 000254 C941 C CER CHIP SA 2203 000278 C116 C CER CHIP SA 2203 000278 C129 C CER CHIP SA 2203 000278 C603 C CER CHIP SA 2203 000278 C616 C ...

Page 23: ...CHIP SA 2203 000812 C413 C CER CHIP SA 2203 000812 C524 C CER CHIP SA 2203 000812 C526 C CER CHIP SA 2203 000812 C527 C CER CHIP SA 2203 000812 C606 C CER CHIP SA 2203 000812 C615 C CER CHIP SA 2203 000812 C634 C CER CHIP SA 2203 000812 C637 C CER CHIP SA 2203 000812 C640 C CER CHIP SA 2203 000812 C644 C CER CHIP SA 2203 000812 C702 C CER CHIP SA 2203 000812 C704 C CER CHIP SA 2203 000812 C706 C C...

Page 24: ...P SA 2203 002709 C826 C CER CHIP SA 2203 002709 C827 C CER CHIP SA 2203 002709 C828 C CER CHIP SA 2203 002968 C228 C CER CHIP SA 2203 003054 C635 C CER CHIP SA 2203 003054 C703 C CER CHIP SA 2203 003054 C705 C CER CHIP SA 2203 003054 C707 C CER CHIP SA 2203 003054 C709 C CER CHIP SA 2203 003054 C715 C CER CHIP SA 2203 005234 C122 C CER CHIP SA 2203 005234 C124 C CER CHIP SA 2203 005234 C125 C CER ...

Page 25: ...P SA 2203 006048 C311 C CER CHIP SA 2203 006048 C312 C CER CHIP SA 2203 006048 C316 C CER CHIP SA 2203 006048 C317 C CER CHIP SA 2203 006048 C318 C CER CHIP SA 2203 006048 C321 C CER CHIP SA 2203 006048 C322 C CER CHIP SA 2203 006048 C332 C CER CHIP SA 2203 006048 C333 C CER CHIP SA 2203 006048 C335 C CER CHIP SA 2203 006048 C336 C CER CHIP SA 2203 006048 C407 C CER CHIP SA 2203 006048 C718 C CER ...

Page 26: ...P SA 2203 006208 C627 C CER CHIP SA 2203 006208 C831 C CER CHIP SA 2203 006257 C411 C CER CHIP SA 2203 006257 C414 C CER CHIP SA 2203 006257 C422 C CER CHIP SA 2203 006257 C424 C CER CHIP SA 2203 006257 C425 C CER CHIP SA 2203 006307 C506 C CER CHIP SA 2203 006324 C234 C CER CHIP SA 2203 006324 C739 C CER CHIP SA 2203 006324 C829 C CER CHIP SA 2203 006324 C830 C CER CHIP SA 2203 006348 C746 C CER ...

Page 27: ...P SA 2203 006562 C416 C CER CHIP SA 2203 006562 C523 C CER CHIP SA 2203 006562 C618 C CER CHIP SA 2203 006562 C619 C CER CHIP SA 2203 006562 C622 C CER CHIP SA 2203 006562 C623 C CER CHIP SA 2203 006562 C629 C CER CHIP SA 2203 006562 C633 C CER CHIP SA 2203 006562 C642 C CER CHIP SA 2203 006562 C645 C CER CHIP SA 2203 006562 C701 C CER CHIP SA 2203 006562 C710 C CER CHIP SA 2203 006562 C720 C CER ...

Page 28: ... CHIP SA 2203 006562 C934 C CER CHIP SA 2203 006562 C936 C CER CHIP SA 2203 006562 C938 C CER CHIP SA 2203 006562 C939 C CER CHIP SA 2203 006626 C320 C CER CHIP SA 2203 006681 C401 C CER CHIP SA 2203 006681 C402 C CER CHIP SA 2203 006681 C408 C CER CHIP SA 2203 006681 C625 C CER CHIP SA 2203 006681 C646 C CER CHIP SA 2203 006681 C647 C CER CHIP SA 2203 006681 C712 C CER CHIP SA 2203 006681 C906 C ...

Page 29: ...P SA 2203 006824 C747 C CER CHIP SA 2203 006824 C749 C CER CHIP SA 2203 006838 C802 C CER CHIP SA 2203 006838 C803 C CER CHIP SA 2203 006838 C805 C CER CHIP SA 2203 006838 C806 C CER CHIP SA 2203 006841 C213 C CER CHIP SA 2203 006872 C502 C CER CHIP SA 2203 006872 C717 C CER CHIP SA 2203 006872 C726 C CER CHIP SA 2203 006885 C713 C CER CHIP SA 2203 006890 C517 C CER CHIP SA 2203 006890 C737 C CER ...

Page 30: ... INDUCTOR SMD SA 2703 002201 L604 INDUCTOR SMD SA 2703 002201 L605 INDUCTOR SMD SA 2703 002201 L606 INDUCTOR SMD SA 2703 002201 L607 INDUCTOR SMD SA 2703 002313 L201 INDUCTOR SMD SA 2703 002314 L101 INDUCTOR SMD SA 2703 002506 C115 INDUCTOR SMD SA 2703 002586 L105 INDUCTOR SMD SA 2703 002596 L204 INDUCTOR SMD SA 2703 002601 L704 INDUCTOR SMD SA 2703 002608 L104 INDUCTOR SMD SA 2703 002653 L301 IND...

Page 31: ...SMD SA 3301 001792 L703 BEAD SMD SA 3404 001303 TAC501 SWITCH TACT SA 3404 001303 TAC801 SWITCH TACT SA 3404 001303 TAC802 SWITCH TACT SA 3404 001303 TAC803 SWITCH TACT SA 3404 001303 TAC804 SWITCH TACT SA 3705 001503 RFS101 CONNECTOR COAXIAL SA 3709 001453 CD501 CONNECTOR CARD EDGE SA 3710 002081 SOC601 SOCKET BOARD TO BOARD SA 3710 002568 IFC701 SOCKET INTERFACE SA 3711 005818 HDC802 HEADER BOAR...

Page 32: ...VARISTOR SA 1405 001093 VR103 VARISTOR SA 1405 001093 VR107 VARISTOR SA 1405 001167 VR110 VARISTOR SA 2007 000141 R109 R CHIP SA 2007 000148 R115 R CHIP SA 2007 000148 R121 R CHIP SA 2007 000163 R119 R CHIP SA 2007 000171 R123 R CHIP SA 2007 000566 R101 R CHIP SA 2007 000566 R118 R CHIP SA 2007 000566 R122 R CHIP SA 2007 001316 R107 R CHIP SA 2007 003015 R112 R CHIP SA 2007 003015 R120 R CHIP SA 2...

Page 33: ...006260 C123 C CER CHIP SA 2203 006305 C120 C CER CHIP SA 2203 006439 C119 C CER CHIP SNA 2203 006647 C106 C CER CHIP SA 2203 006647 C107 C CER CHIP SA 2203 006647 C109 C CER CHIP SA 2203 006824 C101 C CER CHIP SA 2203 006824 C108 C CER CHIP SA 2203 006838 C114 C CER CHIP SA 2404 001381 TA101 C TA CHIP SA 2703 002649 L104 INDUCTOR SMD SNA 2703 002795 L103 INDUCTOR SMD SNA 2703 002901 L101 INDUCTOR ...

Page 34: ... 7 1 This Document can not be used without Samsung s authorization 7 1 Disassembly 1 4 3 2 1 Remove the stylus pen from the set 1 Open the micro SD and charger cover 1 Pull the left side of rear to the outside Refer to the picture 1 Unlock the left side of rear by raising it Refer to the picture ...

Page 35: ...s List 7 2 This Document can not be used without Samsung s authorization 5 8 7 6 1 The front ass y and rear disassembled 1 Open the lcd connector 1 Pull the right side of rear to the outside Refer to the picture 1 Unlock the right side of rear by raising it Refer to the picture ...

Page 36: ... 12 11 10 1 Disassemble the PBA from the front by detaching the adhesive tape located between lcd and bracket 1 Take out the lcd connector from the hole on the bracket Be careful a damage of the lcd connector 1 Unlock the left lower side of PBA from the front Refer to the picture 1 Unlock the left upper side of PBA from the front Refer to the picture ...

Page 37: ...ndow to inside of the front Refer to the picture 1 Detach the tsp window from the front Refer to the picture The front and PBA ass y disassembled 1 Refer to the 14 22 about disassembling the front ass y 2 Refer to the 23 24 about disassembling the PBA ass y 1 Disassemble the keypad from the front Caution 1 Be careful not to make scratch and molding damage 2 Check the TORQUE 1 0 1 2 Kgf Cm ...

Page 38: ... Parts List 7 5 This Document can not be used without Samsung s authorization 17 20 19 18 1 Unlock the tsp connector 1 Detach the tsp window from the lcd Refer to the picture 1 Detach the tsp window from the front Refer to the picture 1 The front and tsp window disassembled ...

Page 39: ...s Document can not be used without Samsung s authorization 21 24 23 22 1 Loose a screw of the intenna and disassemble 솓 intenna from the PBA 1 Detach the receiver cover and unlock the key connector 1 Detach the tsp window from the lcd Refer to the picture 1 The lcd and tsp window disassembled ...

Page 40: ...27 26 Disassemble the camera module 1 Unlock the camera module connector 2 Detach the flash from speaker module 3 Take out the camera module from the hole of PBA 1 Loose two screws of the speaker module 1 Disassemble the PBA from the bracket Detach the motor from the bracket Disassemble three side keys with doing the PBA 1 The PBA and bracket disassembled ...

Page 41: ...ed View and Parts List 7 8 This Document can not be used without Samsung s authorization 29 31 30 1 Loose a screw of the intenna and disassemble 솓 intenna from the PBA 1 Detach the tsp window from the lcd Refer to the picture 1 The lcd and tsp window disassembled ...

Page 42: ...arts List 7 9 This Document can not be used without Samsung s authorization 7 2 Assembly 1 4 3 2 1 Solder the motor and receiver 1 Screw two points of the speaker module to the PBA 6001 001530 1 2 1 4 Kgf cm 1 Lock the speaker module to the PBA 1 Solder the speaker module 1 1 ...

Page 43: ...nd attach the its cover on it 1 Assemble three side keys with being careful the directions and then lock the key connector Assemble the camera module 1 Push the camera module into the hole of PBA 2 Attach the flash on the speaker module 3 Lock the camera module connector 1 Assemble the PBA and bracket At first attach the motor on the bracket Be careful the direction of motor wire 1 1 2 3 4 2 3 4 ...

Page 44: ...thout Samsung s authorization 9 12 11 10 1 Assemble the intenna and screw a point like the picture 6001 001530 1 2 1 4 Kgf cm 1 Assemble the lcd and front and then make sure it doesn t have a gap or overlap at the bottom of it 1 Assemble the keypad 1 Assemble the front ass y and pba ass y and then lock the lcd connector 1 ...

Page 45: ...ist 7 12 This Document can not be used without Samsung s authorization 13 15 14 1 Assemble the rear and front from top to bottom Be careful the damage of mic rubber 1 Screw the six points of the rear 6001 001155 1 4 0 1 Kgf 6001 001399 1 4 0 1 Kgf 1 Push the stylus pen 1 1 1 2 2 1 ...

Page 46: ...BAT DC DC LM3671 EAR_SPK EAR_SPK PHONE_MIC PHONE_MIC EAR_SPK EAR_SPK PON_TX VDD_RX_TX PAM V_BAT PON_PA MODE_SELECT BAND_SEL GSM900 PCS1900 DCS1800 VDD_SLEEP BKBT VCC_3 3V_BATT RF serial control bus RF_CLK D_REF_CLK RF_DATA RF_EN nRESET_IN VBAT AUXADC1 VCC_AF_3 0V UtRAM 64Mb 4Mx16bit NOR 128Mb 8Mx16bit HA 0 CLKBURST WEn OEn ADVn WAITn CS0n_Flash RSTON FLASH_WPB PHONE MEM T_FLASH_D 0 3 T_FLASH _CLK ...

Page 47: ... HDC901 IFC701 JIG L101 L102 L103 L104 L105 L201 L202 L203 L204 L205 L301 L401 L501 L502 L503 L504 L601 L603 L604 L605 L606 L607 L610 L611 L701 L702 L703 L704 L705 L802 L803 MOD201 MOD202 MOD203 MOT801 OSC201 OSC202 OSC401 OSC601 OSC901 OSC902 PAM101 P HONE_ACTIV E PHONE_RXD PHONE_TXD Q301 Q501 Q502 Q503 Q601 Q701 Q801 Q802 Q803 R102 R103 R104 R105 R106 R107 R108 R201 R202 R203 R204 R205 R206 R207...

Page 48: ...615 CD501 D504 D505 HDC801 L608 L609 R518 R519 R520 R521 R522 R523 R524 RFS101 SOC601 TP_ VDD_IO_LOW K L C M _ Y A L P S I D _ P T C N Y S H _ Y A L P S I D _ P T TP_DISP L AY _VSY N C TP_GND TP_LCD_nCS TP _LCD_nRS T TP_PGN D K C T P _ P T T S R P _ P T TP_PTDI TP_PTD O TP_PTM S TP_PTRST_N TP_RSTON TP_RTCK_PHONE TP_TCK_PHONE TP_TDI_PHONE TP_TDO_PHONE E N O H P _ T S R T n _ P T E N O H P _ S M T _...

Page 49: ...nge the Battery check D806 No Yes Check pin 4 in U504 is High Check U504 neighboring circuit No Yes Check pin 1 2 5 6 in Q502 is the same voltage as 4pin Check the Q502 and related circuit No Yes Check pin 20 in U501 is 3 3V Check the related circuit No Yes Check pin 31 32 in U501 is high Check the related circuit No Yes Check Other Power Circuit NG In U501 pin 2 1 8V pin 35 3 0V pin 15 1 8V pin 2...

Page 50: ..._RSO 29 39 SET2 6 SRAD 33 V1 38 10 V2 V3 30 V4 40 V5 2 V6 7 PV1 14 PV2 PV3 28 PV4 3 LX4 4 24 RAMP 11 SCL 12 SDA SET1 27 LX3 42 NC NC 43 PG1 34 16 PG2 26 PG3 5 PG4 36 GND 18 IN IN5 1 8 IN67 IN8 17 LBF 21 22 LBR LX1 35 15 LX2 U501 MAX8660ETL T EN1 37 32 EN2 31 EN34 25 EN5 GND 19 41 C504 4700NF 10V 56K 1 R511 C509 4700NF 10V 22UF C508 6 3V 2200nF 6 3V C502 4700NF 10V C513 C507 6 3V 22UF R502 1 2K 1 C...

Page 51: ...30 D502 1 2 3 4 5 UMN1 Q502 SI3443DV T1 VBAT TP_PS_HOLD R515 NC C519 100NF GND NC 3 1 OUT 2 VDD R3111Q331C U508 4 R525 1M TDZ5 6 D501 GND 4 3 NC OUT 1 VDD 2 VCC 5 R3111Q311C TR U506 TC7SH08FS U504 GND 2 INA 1 INB 3 OUTY 4 V_BAT VBAT 4 GND U507 NC7WP08L8X VCC_3 3V_BATT C515 100NF 10V TA501 47UF TA502 10V 47UF VCC_3 3V_BATT nRESET_OUT VDD_IO_HIGH ON_SW VEXT_5V PS_HOLD IF_CON_SENSE nPOWER ...

Page 52: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 4 ...

Page 53: ...k at R401 32KHZ No Check the VDD_GSM_CORE circuit Yes Check the initial operation END Yes Yes No Check the clock generation circuit Check for the clock at R608 4 096MHz Yes C328 VDD_GSM_CORE 1 8V Yes No Check the related circuit C425 VDD_IO_LOW C424 VDD_IO_HIGH H Yes No Resolder OSC900 Yes No Check the PMU related to VINT C411 VINT 2 7V Yes No Change the Battery Check the Battery Voltage is more t...

Page 54: ...C 40 SIMD3VBAT 45 SIMEN 42 SIMIOCD 9 SIMIOHC 41 SIMVCC 31 PWREN2 REFC 28 23 RF12VBAT RF1VDD 22 24 RF2VDD 2 SCL 38 SCN 37 SCP 3 LPVDD 19 12 MICBIAS 53 NC NC 54 26 OSCI 25 OSCO 6 PWREN1 5 GPO1 48 47 GPO2 GPO3 46 HCVBAT 18 17 HCVDD 15 IOD2VBAT IOVDD 14 LPD1VBAT 20 CPVBAT CPVDD 35 21 D1VDD D2VDD 16 39 D3VDD 49 GND GND 50 51 GND GND 52 PCF50603HN 11 N3 U406 34 CHGCUR BATMAX 33 CHGDRV 4 CLK32K 36 1000nF...

Page 55: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 7 ...

Page 56: ...Troubleshooting This Document can not be used without Samsung s authorization 10 8 10 2 Initial Initial Failure Yes TP_RSTON at UCP301 H No Check the circuit related to reset Yes UCP301 TP304 RSTEXTn H OK change UCP301 No Yes Check the 16bit data signal memory CE Yes END ...

Page 57: ...E_E G4 BE3 G5 IO9 G7 IO8 G8 GNDE G9 RESET H1 GNDE H10 USBDP H11 TDI G10 TRST G11 RSTBB G12 USBDM G14 VDDE1 G15 SIMCLK G17 VDDVBO G18 CS0 G2 USBCN F14 GNDE F15 SIMRST F17 RTCK F18 GPIOB2 F2 ADD21 F4 ADD23 F5 GPIOA9 G1 OE_R_W E2 IO28 E4 IO29 E5 IO31 E6 IO4 E7 IO7 E8 VDDE1 E9 ADD20 F1 NC E10 DCL E11 NC E12 RSTRTC E13 VDDE1 E14 GNDE E15 KCOL3 E17 NC E18 GNDE D2 IO24 D4 IO25 D5 VDDE1 D6 GNDE D7 IO11 D8...

Page 58: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 10 10 ...

Page 59: ... s authorization Flow Chart of Troubleshooting 10 11 10 3 Charging Part Yes Resolder or replace U502 Check the circuit related to TA_nCHG signal Check the circuit related to EXT_5V and U502 Yes No Check the U502 pin 9 4 2V Yes No Check U502 pin 5 L Yes No END Abnormal charging part Check the C506 4 9V ...

Page 60: ...used without Samsung s authorization 10 12 1K 1 R508 EXT_5V R505 0 R506 5 1K R921 47K 3 3K R920 R503 100K VCC_3 0V 1UF C506 100K R504 TP_USBIN NC R507 2SK3541 Q501 3 D G 1 S 2 IDC 8 ITERM 3 2 IUSB 4 PWR 1 USBIN LTC4078X BAT 9 BATDET 7 5 CHRG 10 DCIN EN 6 11 GND U502 V_BAT CHG_SEL VF TA_EN TA_nCHG TA_nCONNECTED ...

Page 61: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 13 ...

Page 62: ...out Samsung s authorization 10 14 10 4 Sim Part Phone can t access SIM Card Yes CD501 pin 11 14 H No Check the sim charge pump Yes After Power ON Check SIM_CLK Signal on pin15 at CD501 Check the SIM Clock No Yes After SIM card insert CD501 pin 13 H SIM_RST Resolder CD501 or replace PBA No Yes Check the SIM Card Yes END ...

Page 63: ... 26 27 NC NC 28 18 NC NC 19 20 NC NC 21 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 1 1 10 10 11 11 12 12 13 13 14 14 15 15 16 16 368637 1 CD501 VTF_3 0V 51 1K R521 C523 1000nF 51 1K R520 R518 51 1K C526 33PF VTF_3 0V ZD502 RSB6 8G 10K 1 R524 51 1K R519 R522 SIM_VCC_3 0V 51 1K 33PF C527 47K R523 C525 1000NF D505 1 CH1 CH2 3 4 CH3 5 CH4 6 CH5 2 VN CM1218 05SE T_FLASH_D 0 T_FLASH_D 3 T_FLASH_CMD T_FLASH_DETECT ...

Page 64: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 10 16 ...

Page 65: ... of Troubleshooting 10 17 10 5 Microphone Part No Check the MIC END Replace the MIC Check the SWITCH U604 Check the signal from MAIN_MIC_P to MIC No Yes Microphone does not work No Yes Yes Yes No Resolder L601 L603 C629 C633 and check related circuit Resolder MIC Check the circuit from U602 to MIC Check the connection from MIC ...

Page 66: ... 5 IN2 NC 9 7 NC 2 NO1 4 NO2 8 MAX4736ELB U604 10 COM1 COM2 6 C645 VAUDIO_3 3V_A 1000nF R617 100 nJACK_INT N _ C I M _ R A E N _ C I M _ N I A M EAR_MIC_P MAIN_MIC_P MIC MIC nJACK_INT L601 BLM15AG102SN1D 4V TA606 33UF VMICBIAS_2 7V BLM15AG102SN1D L603 1 2K 1 R607 R610 1 2K 1 C632 10PF C633 1000nF C629 10PF C628 1K 1 R606 1K 1 R611 C644 C636 10PF MIC MIC MIC_P MIC_N ...

Page 67: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 19 ...

Page 68: ...older or Replace U601 U601 pin 1 7 8 and pin 13 16 4 2V Yes Check the signal at PIN R628 R629 of U601 IF there is no signal resolder or replace U601 No Check pin 7 9 at U603 Does it Work Yes Resolder or replace U603 No Yes Resolder U602 No Check all power source related U602 Does it work correctly Change the Speaker No Yes Is Speaker working Resolder U602 No Yes Yes Check pin 35 36 at U602 Is ther...

Page 69: ...04 TA604 C627 6 3V 4 7UF VCC_3 0V C611 47PF 100K 1 R626 R627 1K 1 R625 R624 750K 1 Q601 2SK3541 3 D 1 G 2 S 10K 1 VAUDIO_3 0V R608 0 RSB6 8G ZD601 10NF 10PF C616 C608 C623 1000nF 10V ZD602 RSB6 8G C615 33PF 0 R628 0 R629 VAUDIO_3 3V_A 4700NF C624 0 R604 C626 10NF C625 100NF R622 100K 1 TA603 47PF C612 L607 33nH 0 R601 _SD 10V 1000nF C619 2 GND 7 GND 9 IN 3 4 IN OUT 5 8 OUT VDD 6 1 U601 SSM2301CPZ ...

Page 70: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 10 22 ...

Page 71: ...ed without Samsung s authorization Flow Chart of Troubleshooting 10 23 10 7 Key Data Input When one of the keys is pushed is it displayed on LCD Check the Dome sheet Key Pad END No Yes Yes Check Initial Operation When one of the keys is pushed KBIO signal is OK Replace the PBA No Yes ...

Page 72: ...oes not work Yes No Resolder or Replace UCP301 Check C622 C623 Is there Signal If all power sources work well Yes Check pin 35 36 at U602 Does it Work Resolder or Replace U602 No Check pin 2 4 at U603 Does it Work Yes Resolder or replace U603 No Yes Modify the receiver wire soldering No Check the soldering of the Receiver wire Replace the Receiver No Yes Yes Is Receiver working END ...

Page 73: ...t can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 25 4 V 8 VAUDIO_3 3V_A 10 6 COM2 3 GND IN1 1 IN2 5 9 NC NC 7 NO1 2 NO2 U603 MAX4736ELB COM1 100 R616 1000nF C642 SPKL SPK_SW RCV_P SPKR CODEC_OUT_R SPK_SW L _ T U O _ C E D O C N _ V C R ...

Page 74: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 10 26 ...

Page 75: ...of Troubleshooting 10 27 10 9 Back Light for Color Main LCD Back light does not work Yes Set LCD Contrast on high level Is LCD Contrast set on high level in the Menu No Yes No Check the U707 or replace U707 HDC801 pin 16 18 20 3 8V Yes HDC801 pin 30 CS 24 Clcok 22 RST is OK No Check the UCP901 Yes Replace the LCD Module Yes END ...

Page 76: ...SYNC TP_DISPLAY_VSYNC TP_DISPLAY_MCLK TP_LCD_nRST 5 5 34 34 4 4 27 27 28 28 29 29 3 3 30 30 31 31 32 32 33 33 2 2 20 20 21 21 22 22 23 23 24 24 25 25 26 26 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 HDC801 1 1 10 10 11 11 12 TP_LCD_nCS ground ground LED _16V LCD_CLK DISPLAY_VSYNC DISPLAY_MCLK DISPLAY_DE LCD_nCS LCD_SI LCD_nRST LCD_F 1 LCD_F 2 LCD_F 3 LCD_F 12 LCD_F 14 LCD_F 17 LCD_F 13 LCD_F 15 ...

Page 77: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 29 ...

Page 78: ...ut notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 10 30 10 10 Key Back Light Main Key LED does not work Yes Check the HDC803 related to power sources HDC803 pin 18 3 3V No Yes Change Key pad END ...

Page 79: ... R815 VCC_3 0V VTHIN_1 8V VDOPARO_3 3V VTHIN_3 0V 27 28 NC 4 5 5 6 6 7 7 8 8 9 9 25 NCNC 26 NC 19 2 2 20 20 21 21 22 22 23 23 24 24 3 3 4 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 HDC803 1 1 10 10 BLUE THIN_SPI_nCS_1 8 THIN_SPI_CLK_1 8 THIN_MOTION KBC 6 KBR 1 MAIN_MIC_N MAIN_MIC_P KBR 2 KBC 1 KBC 0 THIN_SPI_RXD_1 8 THIN_SPI_TXD_1 8 THIN_NRST RED GREEN ...

Page 80: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 10 32 C 5 0 8 R ...

Page 81: ...era part Camera function does not work Yes Check the Camera connector Reconnect the camera module No HCD802 pin 10 20 2 8V pin 12 1 8V pin 18 3 0V Yes No Check HDC802 U712 U705 Yes Check UCP901 HDC802 No Check CAM_MCLK CAM_PCLK Working Yes Check UCP901 HDC802 No Check pin 14 16 22 24 Working properly Yes Is there another problem Yes Replace the camera module END ...

Page 82: ...ithout Samsung s authorization 10 34 1000nF C742 4700NF C744 7 VDD VOUT1 8 VOUT2 6 U712 RP150K008A 1 CE1 CE2 3 GND 2 9 GND 4 NC NC 5 C732 1000nF VCAM_2 8V_A VCAM_1 8V_D C724 4700NF VIN VOUT1 5 VOUT2 6 4 VSS U705 XC6401EE27DR EN1 3 1 EN2 7 GND 2 C743 4700NF C723 4700NF VCC_AF_3 0V VBAT VCAM_2 8V_IO VBAT CAM_EN CAM_EN ...

Page 83: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 35 ...

Page 84: ... input CH center freq 67 7kHz Amp 50dBm F101 Pin19 65dBm Yes Resolder RFS101 C106 No Yes Check ANT Switch control circuit Check F101 pin10 L pin11 L F101 Pin1 2 68dBm No No Resolder F101 Yes Yes UPL101 pin 26 70dBm pin 27 70dBm Resolder C107 C109 L102 No Yes Check all voltage sources of UPL101 2 8V No No UPL101 pin 4 5 6 7 1V Check Resolder RF PSU Part Resolder UPL101 Yes Yes Check UME301 END ...

Page 85: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 37 ...

Page 86: ...ck all voltage sources of UPL101 2 8V Resolder or Change PAM101 No Check VBAT or PAM control signal Yes UPL101 pin 4 5 6 7 1V Yes No END Check UME301 Yes Check PAM101 VBAT pin4 OK F101 Pin19 20dBm Resolder RFS101 C106 TX ON 5Level Check F101 pin10 H pin11 L F101 Pin15 20 dBm PAM101 Pin12 20 dBm PAM101 Pin7 3dBm Resolder F101 Check ANT Switch control circuit Resolder C116 C119 C120 or Change PAM800...

Page 87: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 39 ...

Page 88: ...l voltage sources of UPL101 2 8V Resolder UPL101 Yes No Check ANT Switch control circuit Check Resolder RF PSU Part No END Check UME301 Yes No UPL101 pin 4 5 6 7 1V Yes F101 pin 3 70dBm pin 4 70dBm Resolder C111 C113 L103 No Resolder F101 Yes Yes No Check F101 pin10 L pin11 L F101 3 4 68dBm Yes Resolder RFS101 C106 No F101 Pin19 65dBm Yes RX ON RF input CH center freq 67 7kHz Amp 50dBm ...

Page 89: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 41 ...

Page 90: ... Check all voltage sources of UPL101 2 8V Resolder or Change PAM101 No F101 Pin19 20dBm Resolder RFS101 C106 Check F101 pin10 H pin11 L F101 pin15 20 dBm PAM101 pin12 20 dBm 1 5dBm PAM101 pin7 5 5dBm Change or Resolder F101 Check ANT Switch control circuit Resolder C116 C119 C120 or Change PAM101 UPL101 pin 4 5 6 7 1V Yes Check PAM101 VBAT pin4 OK Check VBAT or PAM control signal Yes Yes Yes Yes Y...

Page 91: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 43 ...

Page 92: ...T Switch control circuit Resolder UPL101 Yes Check Resolder RF PSU Part Check all voltage sources of UPL101 2 8V No END Check UME301 Yes No UPL101 pin 4 5 6 7 1V Yes UPL101 pin 22 70dBm pin 23 70dBm Resolder C122 C124 L104 No Resolder F101 Yes Yes No Check F101 pin10 L pin11 L F101 Pin5 6 68dBm Yes Resolder RFS101 C106 No F101 Pin19 65dBm Yes RX ON RF input CH center freq 67 7kHz Amp 50dBm ...

Page 93: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 45 ...

Page 94: ...ll voltage sources of UPL101 2 8V Check VBAT or PAM control signal Yes Resolder or Change PAM101 No F101 Pin19 20dBm Resolder RFS101 C106 TX ON 5Level Check F101 pin10 L pin11 H F101 Pin12 20 dBm PAM101 Pin18 20 dBm PAM101 Pin1 3dBm Change or Resolder F101 Check ANT Switch control circuit Resolder C115 C117 C118 or Change PAM101 UPL101 pin 4 5 6 7 1V Yes Check PAM101 VBAT Pin4 OK Yes Yes Yes Yes Y...

Page 95: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 47 ...

Page 96: ...l voltage sources of UPL101 2 8V Resolder UPL101 Yes No Check ANT Switch control circuit Check Resolder RF PSU Part No END Check UME301 Yes No UPL101 pin 4 5 6 7 1V Yes F101 pin 7 70dBm pin 8 70dBm Resolder C125 C126 L105 No Resolder F101 Yes Yes No Check F101 pin10 L pin11 L F101 7 8 68dBm Yes Resolder RFS101 C106 No F101 Pin19 65dBm Yes RX ON RF input CH center freq 67 7kHz Amp 50dBm ...

Page 97: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 49 ...

Page 98: ... Check all voltage sources of UPL101 2 8V Resolder or Change PAM101 No F101 Pin19 20dBm Resolder RFS101 C106 Check F101 pin10 L pin11 H F101 pin12 20 dBm PAM101 pin18 20 dBm 1 5dBm PAM101 pin1 5 5dBm Change or Resolder F101 Check ANT Switch control circuit Resolder C115 C117 C118 or Change PAM101 UPL101 pin 4 5 6 7 1V Yes Check PAM101 VBAT pin4 OK Check VBAT or PAM control signal Yes Yes Yes Yes Y...

Page 99: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 51 ...

Page 100: ... 10 52 10 13 FM Radio Part FM Radio does not work No Yes Yes No Insert the Earphone Check the connection with the Earphone Is it good Check the Battery and near circuit Check the MOD203 Pin 11 16 Is it good Battery Voltage No Replace the MOD203 Check the C618 619 Is there signal Replace C214 L704 Yes END Yes Check from C214 to S20 Pin 1 Is it OK ...

Page 101: ...RADIO 100NF C214 R206 82K 1000nF C221 VIO 10 _RST 5 6 _SEN VBAT NC 9 RCLK RFGND 3 ROUT 13 SCLK 7 8 SDIO VA 16 VD 11 GND 21 19 GPIO1 18 GPIO2 GPIO3 17 LOUT 14 NC 1 NC 20 NC 23 22 SI4703 B16 GM MOD203 FMIP 2 GND 15 GND 12 GND 4 C220 1000nF TP_FM_RESET_N VCC_3 0V 82K R204 R203 82K TP_FM_INT FM_INT FM_LOUT 32K_CLK_OUT FM_ROUT I2C_SCL I2C_SDA FM_RESET_N FM_ANT ...

Page 102: ...SAMSUNG Proprietary Contents may change without notice Flow Chart of Troubleshooting This Document can not be used without Samsung s authorization 10 54 ...

Page 103: ...g s authorization Flow Chart of Troubleshooting 10 55 10 14 Bluetooth Part No Bluetooth does not work No Yes Yes No Check the UCP901 Monahans U708 Pin 3 High No Yes Replace the Ant203 Check the Ant 203 Check the U708 Check the TP 201 204 Is there signal MOD201 Pin 3 23 26 3V Check the MIC Yes END Yes ...

Page 104: ...nH R213 TP201 100PF C232 C239 NC UART_RX 8 VDD_REG 9 29 GND PCM_CLK 3 30 GND 31 GND GND 32 UART_TX 4 USB_DP 5 VDD_1 8V 6 UART_CTS 7 PIO7 22 VDD_PIO 23 PIO5 24 PIO4 25 RESETB 26 PIO6 27 PCM_IN 28 GND 15 ANT 16 GND 17 PIO3 18 PCM_OUT 19 USB_DN 2 PCM_SYNC 20 PIO1 21 BTTM47C2SA MOD201 UART_RTS 1 GND 10 PIO8 11 PIO9 12 PIO0 13 PIO2 14 AMAN802012SS35 ANT203 BT_TXD BT_RXD BT_RTS BT_CTS BT_PCM_CLK BT_PCM_...

Page 105: ...ice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 57 1000nF C720 10V VCC_ULPI_3 3V C710 1000nF VBT_3 0V 1 EN2 GND 7 2 VIN 5 VOUT1 6 VOUT2 4 VSS XC6401EE26DR U708 EN1 3 VBAT 10V 4700NF C722 BT_EN ULPI_EN U ...

Page 106: ...4 RFIEP RFIPN 21 20 RFIPP 18 RFOHP 15 RFOLP SCLK 3 SDIO 2 33 VDD1 32 VDD2 4 5 BQP GND 28 37 GND1 39 NC1 38 NC2 13 RAMPIN RAMPOUT 14 RFIAN 27 RFIAP 26 RFIDN 23 22 UPL101 SI4220 GM AFC 31 6 BIN BIP 7 BQN C117 6 8nH L104 0 5PF C101 NC C133 100nF 27NH L102 C126 1 2PF 47UF 10V U102 TC7SH08FS GND VCC 5 TA101 33PF C127 100nF R105 NC C105 C130 3 3 4 4 NC ANTCON SGHT329 ANT102 1 1 2 2 NC C120 L105 5 6nH 7 ...

Page 107: ...SAMSUNG Proprietary Contents may change without notice This Document can not be used without Samsung s authorization Flow Chart of Troubleshooting 10 59 ...

Page 108: ......

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