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GSM TELEPHONE SGH-S720i GSM TELEPHONE 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...
Contents 1. Specification 1-1. GSM General Specification ..................1-1 1-2. GSM TX power class ....................1-2 2. Exploded View and Parts list 2-1. Cellular phone Exploded View ..................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.
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Contents 4. Array course control 4-1. Downloading Binary Files ..................4-2 4-2. Pre-requsite 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.
- 102 dBm - 100 dBm -10 0 dBm T DM A Mu x C ell Rad ius 3 5 Km 35 Km 2 Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
QPC01 QMP02 QCR05 QFL01 QME01 QMP01 QHI02 QMI01 QMI03 QHI01 QAN12 QSH01 QSD07 QCR05 QAN02 QSC05 QSD01 QCK02 QRF03 QVO01 QRE01 QCR05 QCR05 QBA01 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
ASSY CASE-HINGE MODULE GH98-04300A QHI02 ASSY HINGE-LINK GH98-05837A QRE01 ASSY CASE-SLIDE REAR GH98-04056A QSD01 PMO-COVER SD GH72-38380A QRF03 PMO-COVER EAR GH72-38381A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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TAPE-SHIELD CAN CON GH74-33006A TAPE GH74-33007A TAPE GH74-33341A AS-SUB DOME SHEET TAPE SVC,S72 GH81-06672A AS-ELEC TAPE LCD MODULE SVC,S7 GH81-06673A AS-TAPE LCD BOT SVC,S720I GH81-06674A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
2) Be careful not to cut off the slide FPCB when 1) Remove the VOLUME, POWER KEY. dissolving the MAIN PBA. 2) Disconnect the SIM CONNECTOR. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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1) Unscrew the 4 point SCREWs. ※ Caution ※ Caution 1) Be careful not to scratch the appearance. 1) Take precaution not to damage the F-PCB. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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3) Check the unlock of LOCKER and seperate the PBA from LCD. 1) Be careful not to damage the slide F-PCB. 1) Seperate the PBA ASS'Y from LCD frame. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Figure ① . (3 points) 2) Check correspondence of 4 points after assembling LCD to PBA as shown in Figure ② . 1) Solder LCD BACKLIGHT FPCB. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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※ Caution ※ Caution Take precaution not to damage the F-PCB. Insert each F-PCB exactly to the each connector. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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2) Put the screw cover on top of screws in upper - Solder right and left F-PCB not the slide F-PCB connector to move. side. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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3) Put the MIC into MIC hole. 4) Assemble the PBA and lock. ※ Caution 1) Be careful not KEYPAD to move and to put the MIC into MIC hole. 2-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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4 points of screws 1) Attach the EARJACK / SD connector tapes. ※ Caution 1) Screw the 4 point screws. 1) Attach tapes in the guide line. 2-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Main Electrical Parts List 1. Remove the protection tape on conduction tape of LCD MODULE. 2. Insert LCD FPCB into connector with lined up with guide silk 2-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Check VRF_2.9V of Check UCD300 and C310 and C139 UCD300 and U100 Check Pin #8 of RFT100 Check RFT100 and C133 Freq=13Mhz, Vpp>0.4V Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Flow Chart of Troubleshooting and Circuit Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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R103 XOENA C128 OSC100 R104 VCCB_2.9V VRF_2.9V C129 C130 C131 VRF_2.9V U100 C133 C135 CLK13M_OUT R105 CLK13M_HPE C138 CLK13M_CSP C139 R107 R108 CLK13M_YMU765 C141 CLK13M_YMU800 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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VLDO_1 VACC CSN_PSC K8 UP_CS SCLK_PSC UP_SCLK SDO_PSC UP_SDO C310 C311 SDI_PSC M7 C312 C313 C314 C315 C334 C316 UP_SDI VEXT E14 VBAT VBAT CH_BDRV SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
There is 32.768KHz wave Check OSC200 form at the C220, C221 ? LCD display is O.K? Check CN301 and LCD part Check Audio part Sound is O.K? SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Flow Chart of Troubleshooting and Circuit Diagrams SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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47 47 48 48 TOUCH_EN SPK_N 50 50 SPK_P VIB_DRV 51 51 C601 R600 VR611 CLK13M_HPE TP216 R201 TP200 TP201 TP202 TP204 R203 CKO_IACK IOBIT1_PIO06 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Check the voltage at Pin Check the UCP 300 #4 of CON300 >=2.8V IS there any signals Pin Check the UCP 300 #5,#6,#8 Check the SIM Card SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Flow Chart of Troubleshooting and Circuit Diagrams CON300 C303 TA300 C332 C305 C304 C308 C307 VDD34 C11 VDD12 UP_CLK SIM_CLK UP_RST SIM_RST UP_IO SIM_DAT SIM_IO SIM_RST SIM_CLK SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Flow Chart of Troubleshooting and Circuit Diagrams 3-1-4. Charging Part Abnormal charging part Battery contact at BTC601 Battery Check BTC601 Charger input of IFC500 Check the IFC500 3-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Check the assembled status of Reassemble microphone microphone Check the reference voltage on Resolder or Change mic path R419=2.9V (R413,R414,R415,R416,R417,R418, R419,C420,C421,C422,C423,C424, L401,L402,TA402,VR400,VR401) Is Microphone O.K? Check UCP300 3-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Flow Chart of Troubleshooting and Circuit Diagrams 3-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Flow Chart of Troubleshooting and Circuit Diagrams L401 MIC_IN_P R413 C420 MIC_OUT_P C422 MIC400 R414 C421 C423 R415 L402 MIC_IN_N MIC_OUT_N R418 R417 R416 VCCA_2.9V C424 TA402 R419 3-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Check the pin #4,16 of U400 Change U400 Check the pin #48,49 of Check the CN100 CN100 Is Speaker O.K? Change the LCD module 3-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Check or Change the U400, U401 Check the pin #4, 16 of U400 Check the pin #48,49 of Check the CN100 CN100 Change the LCD module Is Speaker O.K? 3-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Flow Chart of Troubleshooting and Circuit Diagrams 3-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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_SPOUT1 YMU800_SP_OUT1 SPOUT1 YMU800_SP_OUT2 SPOUT2 AVSS HPVSS IOVDD DVDD SPVSS DVDD DVSS DVDD DVSS SPVDD HPVDD AVDD C415 C416 C417 C418 C419 TA601 C441 3-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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PIO31_IRQ6 P12 Q_TOUCH_DET PIO00_IRQ5 IRQ4 MV_INT IRQ3 YMU765_IRQ IRQ2 JACK_IN IRQ1 CSP_HPE_IRQ PIO47 LED_DATA PIO34 USB_CON PIO33 BP_VF CHG_OFF EAR_SW CHG_DET Q_TOUCH_SCL SPK_OUT_SEL Q_TOUCH_SDA 3-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
UCP200,R513,R514,C513 Check or Replace U512 Pin #41 of CN100 is high? Replace F602, F604 Check F602, F604 Change the LCD Is Camera O.K? module 3-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Flow Chart of Troubleshooting and Circuit Diagrams 3-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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OUT2 CAM_D(3) CAM_F(3) LCD_Q_TOUCH_SDA Q_TOUCH_SDA IN 5 IN3 3 6 OUT3 CAM_D(5) CAM_F(5) LCD_Q_TOUCH_SCL Q_TOUCH_SCL 10 OUT OUT4 CAM_D(7) CAM_F(7) LCD_Q_TOUCH_DET Q_TOUCH_DET 9 10 3-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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VACC CSN_PSC K8 UP_CS SCLK_PSC UP_SCLK SDO_PSC UP_SDO C310 C311 C334 SDI_PSC M7 C312 C313 C314 C315 C316 UP_SDI VEXT E14 VBAT VBAT CH_BDRV 3-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Have a some problem of Replace the cable(FPCB) Cable (FPCB) Display is not Check the UCP300 Check the pin #J2,J7,G3,H3 Backlight does work of U512 3-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Resolder or Change OSC100 =26Mhz Check the pin #4,5,6,7 of Resolder or Change RFT100 RFT100 Vp-p=100mV GSM RX path component GSM Receiver is O.K? resolder or change 3-24 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Resolder or Change OSC100 =26Mhz Check the pin #4,5,6,7 of Resolder or Change RFT100 RFT100 Vp-p=100mV GSM RX path component GSM Receiver is O.K? resolder or change 3-25 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Resolder or Change OSC100 =26Mhz Check the pin #4,5,6,7 of Resolder or Change RFT100 RFT100 Vp-p=100mV GSM RX path component GSM Receiver is O.K? resolder or change 3-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Flow Chart of Troubleshooting and Circuit Diagrams 3-27 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Check pin #1,2,3,4 Check pin #34,35 Check and Change of RFT100 = 1.7V of RFT100=26Mhz OSC100 Check and Change Check and Change Change UCP300 RFT100 RFT100 3-28 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Check pin #34,35 of Check and Change of RFT100 = 1.7V PAM100 = 26Mhz OSC100 Check and Change Check and Change Change UCP300 RFT100 RFT100 3-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Flow Chart of Troubleshooting and Circuit Diagrams 3-30 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Check pin #5,7 of Resolder U102,U103 U103 ≥ -6dBm Check pin #3 of Resolder U103 U103 ≥ -6dBm Check the signal of ANT100 Resolder C152,L111,ANT100 3-31 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Flow Chart of Troubleshooting and Circuit Diagrams 3-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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RFIEN RTX_Q_N RFIAP SCLK SBCK RFIAN SDIO 2 SBDT _SEN SBST C122 C123 C124 R103 XOENA C128 OSC100 R104 VCCB_2.9V VRF_2.9V C129 C130 C131 3-33 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Flow Chart of Troubleshooting and Circuit Diagrams 3-34 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
4. Array course control Test Jig (GH80-03307A) Test Cable (GH39-00483A) RF Test Cable (GH39-00397A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
1) Three binary files for S720i -S720XXYY.s3 4-2. Pre-requsite for Downloading ● Downloader Program (OptiFlash.exe) ● S720i Mobile Phone ● Data Cable ● Binary files SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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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 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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S720XXYY.s3 for the downloader binary setting. Make sure that not to change the reserved memory regions. In case of S720i the reserved regions are : -0x23f00000 - 0x23ffffff SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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7. After finishing downloading, Certain memory resets should be done to guarantee the normal performance. 8. Confirm the downloaded version name and etc. : *#1234# Full Reset : *2767*3855# SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
VARISTOR 1405-001082 VR610 VARISTOR 1405-001082 VR618 VARISTOR 1405-001108 VR203 VARISTOR 1405-001108 VR204 VARISTOR 1405-001108 VR205 VARISTOR 1405-001108 VR601 VARISTOR 1405-001108 VR602 VARISTOR 1405-001108 VR603 VARISTOR SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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R-CHIP 2007-000157 R312 R-CHIP 2007-000171 C514 R-CHIP 2007-000171 L401 R-CHIP 2007-000171 L402 R-CHIP 2007-000171 R103 R-CHIP 2007-000171 R112 R-CHIP 2007-000171 R406 R-CHIP 2007-000171 R407 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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R-CHIP 2007-007308 R301 R-CHIP 2007-007313 R410 R-CHIP 2007-007317 R600 R-CHIP 2007-007318 R403 R-CHIP 2007-007334 R115 R-CHIP 2007-007334 R615 R-CHIP 2007-007405 R105 R-CHIP 2007-007528 R210 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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R-CHIP 2007-008672 R604 R-CHIP 2007-008672 R611 R-CHIP 2007-008672 R612 R-CHIP 2007-008672 R613 R-CHIP 2007-008808 R423 R-CHIP 2007-008808 R425 R-CHIP 2007-009084 R511 R-CHIP 2007-009124 R515 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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C-CER,CHIP 2203-000425 C220 C-CER,CHIP 2203-000425 C221 C-CER,CHIP 2203-000438 C141 C-CER,CHIP 2203-000438 C223 C-CER,CHIP 2203-000438 C440 C-CER,CHIP 2203-000489 C413 C-CER,CHIP 2203-000627 C441 C-CER,CHIP 2203-000696 C152 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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C-CER,CHIP 2203-002709 C502 C-CER,CHIP 2203-005052 C147 C-CER,CHIP 2203-005234 C115 C-CER,CHIP 2203-005234 C119 C-CER,CHIP 2203-005234 C120 C-CER,CHIP 2203-005234 C125 C-CER,CHIP 2203-005281 C145 C-CER,CHIP 2203-005288 C127 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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C-CER,CHIP 2203-006048 C218 C-CER,CHIP 2203-006048 C219 C-CER,CHIP 2203-006048 C222 C-CER,CHIP 2203-006048 C230 C-CER,CHIP 2203-006048 C231 C-CER,CHIP 2203-006048 C232 C-CER,CHIP 2203-006048 C415 C-CER,CHIP 2203-006048 C416 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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C-CER,CHIP 2203-006556 C114 C-CER,CHIP 2203-006562 C143 C-CER,CHIP 2203-006562 C144 C-CER,CHIP 2203-006562 C311 C-CER,CHIP 2203-006562 C312 C-CER,CHIP 2203-006562 C314 C-CER,CHIP 2203-006562 C316 C-CER,CHIP 2203-006562 C321 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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INDUCTOR-SMD 2703-002202 L106 INDUCTOR-SMD 2703-002268 L107 INDUCTOR-SMD 2703-002612 L111 INDUCTOR-SMD 2703-002734 L300 INDUCTOR-SMD 2703-002749 L301 INDUCTOR-SMD 2703-002900 L105 INDUCTOR-SMD 2703-002910 L103 INDUCTOR-SMD 2703-002917 L100 INDUCTOR-SMD SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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HEADER-BOARD TO BOARD 4202-001297 ANT100 ANTENNA-CHIP 4302-001201 BAT300 BATTERY-LI(2ND) GH09-00044A UCP200 IC MICOM GH13-00044A U512 IC ASIC-SGHE490 GH71-06031A ANT101 NPR-INTENNA CONTACT GH71-06031A ANT102 NPR-INTENNA CONTACT 7-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
PS : Pilot Symbol QPSK: Quadrature Phase Shift Keying RS : Reed-Solomon SI : Service Information TDM : Time Division Multiplexing TS : Transport Stream SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
● Don't use as you pleases after change other material than replacement registered on SEC System. Otherwise engineer in charge isn't charged with problem that you don't keep this rules. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
● You must maintain electric contact between ESD and place due to be set up until ESD is connected completely to the proper place or a circuit board. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Photo printing - Bluetooth - Offline mode - SOS message - i-mode browser - Email (i-mail) - Multimedea Message Service (i-mms) - Phonebook 10-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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China china.samsungportal.com Asia asia.samsungportal.com Mideast & Africa mea.samsungportal.com This Service Manual is a property of Samsung Electronics Co.,Ltd. Samsung Electronics Co.,Ltd. ⓒ Any unauthorized use of Manual can be punished under applicable International and/or domestic law. 2007. 06. Rev.1.0...
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