GSM TELEPHONE SGH-X820 GSM TELEPHONE CONTENTS Safety Precautions Specification Product Function Array course control Exploded View and Parts List Disassembly and Assembly instructions MAIN Electrical Parts List Block Diagrams PCB Diagrams 10. Flow Chart of Troubleshooting 11. Reference data...
C o n t e n t s 1. Safety Precautions 1-1. Repair Precaution ................1-1 1-2. ESD(Electrostatically Sensitive Devices) Precaution ......1-2 2. Specification 2-1. GSM General Specification ..............2-1 2-2. GSM Tx Power Class ..............2-2 3. Product Function 3-1. Main Function ................3-1 4.
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C o n t e n t s 10. Flow Chart of Troubleshooting 10-1. Baseband 10-1-1. Power ON ................10-1 10-1-2. Initial ..................10-4 10-1-3. Sim Part ................10-6 10-1-4. Charging Part ................10-8 10-1-5. Microphone Part ..............10-9 10-1-6. Speaker Part ................10-11 10-1-7. LCD ..................10-13 10-1-8.
● 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...
2. Specification 2-1. GSM General Specification GSM900 E G S M 9 00 DCS1800 PC S1 90 0 Ph ase 1 Ph ase 2 Ph ase 1 Freq. Band[MHz] 890~915 880~915 1710~1785 1850~1910 Uplink/Downlink 935~960 925~960 1805~1880 1930~1990 0~124 & ARFCN range 1~124 512~885...
-Camera and camcorder -Image editor -Music player -Bluetooth -Photo printing -Phone to TV -Image editor -File viewer -Web browser -Java -Offline mode -Multimedia Message Service (MMS) -E-mail 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 (GH39-00478A) RF Test Cable (GH39-00182A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
• Three binary files for downloading X820. – X820XXYY.s3 : Main source code binary. 4-2. Pre-requsite for Downloading • Downloader Program(OptiFlash.exe) • X820 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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Make sure that not to change the reserved memory regions. In case of X820 the reserved regions are -0x20000010 – 0x2000ffff -0x21ff0000– 0x21ff1fff -0x29000000 – 0x30000000 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...
MEC-VOLUME KEY GH75-09581A QFR01 MEC-CASE FRONT GH75-09579A QMI03 RMO-COVER MIC HOLDER GH73-06452A QRE01 MEC-CASE REAR GH75-09580A QRF03 PMO-COVER EAR JACK GH72-29073A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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GH74-22928A MPR-CUSHION INDUCTOR-3 GH74-23850A MPR-VINYL BOHO LCD GH74-24623A MPR-VINYL BOHO REAR-2 GH74-25033A MPR-VINYL BOHO EAR DECO GH74-25298A AS-LCD WINDOW GH81-03179A AS-TAPEKEYPAD GH81-04637A AS-LCD TAPE GH81-04638A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
2) Handle the HOOK with care, and check No 2) Handle the HOOK with care, and check No bending the board and front/rear cover bending the board and front/rear cover SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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2) Separate CAMERA MODULE 1) LCD glass and LDI are easy to break. ※ caution Separate LCD module slowly with care 1) Camera FPCB is easy to break SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
3) Press the KEYPAD not to be detached ※ caution ※ caution 1) Check the MIC FPCB is OK 1) Check the KEY PAD is OK SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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PCB guide and FPCB at the same time ※ caution 1) SPK FPCB has to be inserted to the SILK 1)Solder INTENNA pad. line 2) Put the blue tape on the connector SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Bosses and the Holders 1) Handle the MIC F-PCB with care. This ※ caution FPCB tears easily. 1) Check everything is proper place SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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1) Tighten the REAR SCREWS (4 POINT) 1) Check there is no gap between Front and 2) Put the SCREW CAPS rear case 3) PUT the RF COVER SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Disassembly and Assembly instructions 6-3. LCD KIT Disassembly 1) Separate LCD and Main window as the picture ※ caution 1) Handle with care. No scratch 1) DONE SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
※ caution ※ caution 1) Handle with care LCD CONN itself and dust. 1) Handle with care LCD CONN itself and dust. 1) DONE SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
C-CER,CHIP 2203-006423 C201 C-CER,CHIP 2203-006423 C202 C-CER,CHIP 2203-006194 C203 C-CER,CHIP 2203-006423 C204 C-CER,CHIP 2203-006194 C205 C-CER,CHIP 2203-006423 C206 C-CER,CHIP 2203-006194 C207 C-CER,CHIP 2203-006194 C208 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 2203-006423 C327 C-CER,CHIP 2203-002709 C331 C-CER,CHIP 2203-006838 C332 C-CER,CHIP 2203-006423 C333 C-CER,CHIP 2203-006562 C334 C-CER,CHIP 2203-006562 C335 C-CER,CHIP 2203-006257 C336 C-CER,CHIP 2203-006423 C337 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 2203-005682 C378 C-CER,CHIP 2203-005682 C379 C-CER,CHIP 2203-005682 C380 C-CER,CHIP 2203-005482 C384 C-CER,CHIP 2203-006642 C388 C-CER,CHIP 2203-006642 C389 C-CER,CHIP 2203-006194 C391 C-CER,CHIP 2203-006562 C394 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 2203-006257 C455 C-CER,CHIP 2203-005719 C459 C-CER,CHIP 2203-002709 C460 C-CER,CHIP 2203-005481 C461 C-CER,CHIP 2203-000812 C462 C-CER,CHIP 2203-005719 C463 C-CER,CHIP 2203-005481 C464 C-CER,CHIP 2203-000812 C465 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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DIODE-SWITCHING 0404-001262 D302 DIODE-SCHOTTKY 3710-002363 IFC402 SOCKET-INTERFACE 2703-002910 L101 INDUCTOR-SMD 2703-002200 L102 INDUCTOR-SMD 2703-002793 L103 INDUCTOR-SMD 2703-002198 L107 INDUCTOR-SMD 2703-002597 L108 INDUCTOR-SMD 2703-002597 L109 INDUCTOR-SMD SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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R-CHIP 2007-009314 R118 R-CHIP 2007-008483 R124 R-CHIP 2007-008542 R126 R-CHIP 2007-008045 R130 R-CHIP 2007-008045 R131 R-CHIP 2007-008542 R134 R-CHIP 2007-008516 R136 R-CHIP 2007-008542 R142 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 2007-008483 R331 R-CHIP 2007-008055 R332 R-CHIP 2007-000171 R409 R-CHIP 2007-000171 R410 R-CHIP 2007-008588 R412 R-CHIP 2007-008588 R413 R-CHIP 2007-009084 R415 R-CHIP 2007-008419 R418 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 2007-008588 R473 R-CHIP 2007-007489 R474 R-CHIP 2007-007590 R475 R-CHIP 2007-007014 R476 R-CHIP 2007-000173 R479 R-CHIP 2007-000173 R480 R-CHIP 2007-008542 R481 R-CHIP 2007-000171 R482 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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U401 IC-CODEC 1201-002233 U402 IC-AUDIO AMP 1203-003523 U403 IC-POSI.FIXED REG. 1201-002147 U404 IC-VIDEO AMP 1001-001231 U405 IC-ANALOG SWITCH 1001-001410 U406 IC-ANALOG SWITCH 1204-002138 U407 IC-MELODY SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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0406-001223 ZD309 DIODE-TVS 0406-001223 ZD310 DIODE-TVS 0403-001547 ZD402 DIODE-ZENER 0403-001411 ZD406 DIODE-ZENER 0406-001190 ZD407 DIODE-TVS 0406-001190 ZD408 DIODE-TVS 0406-001254 ZD409 DIODE-TVS 0406-001254 ZD410 DIODE-TVS 7-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
V R F V P A C V R F 7 7 3 3 1 S K Y V P A C P A M SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Block Diagrams MAIN SPEAKER EAR PHONE SPK- MIC- MIC+ SPK+ BLUETOOTH HEADSET SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
10. Flow Chart of Troubleshooting 10-1 BASEBAND 10-1-1. Power ON 'Power On' does not work Check the current Download again consumption more than 100mA Check the VBAT Charge the Battery more than 3.3V ① Check the VLDO7_1.8V Check U300 C312 of U300 is more than 1.8V ②...
Flow Chart of Troubleshooting 10-1-2. Initial Initial Failure ① Check VCCD, VCCD_1.8V of U300 Check U300 "High" when the phone is boot on` ② Check the HP_CORE_1.6V of Check U305 U305 is "High" ③ LCD display is O.K? Check CN305 and LCD part Sound is O.K? Check audio part...
Flow Chart of Troubleshooting 10-1-3. Sim Part Phone can't access SIM card ① Check the pin 1 of Check the circuit related to SIM301 U300 Voltage = 3V ② Check the SIM connector's resolder or change (SIM301) SIM301 connector's to SIM card ③...
Flow Chart of Troubleshooting 10-1-5. Microphone Part Microphone does not work Check the assembled status of Reassemblage microphone microphone. Check the reference resolder or change voltage on mic path (R442, R442=2.4V TA456,C455,R445) Is microphone ok? Check U300 10-9...
Flow Chart of Troubleshooting 10-1-6. Speaker Part Speaker does not work Is the terminal of check the specker connector Speaker OK? CN401 ① Change or resolder Check the CN401 pin4, 5 o f CN4 01 "HIGH" ② Check the circuit around U406 Change or resolder around U406...
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Flow Chart of Troubleshooting 10-1-7. LCD LCD does not Display First, Check the connection of CN305 and LCD ① Have a some problem of Replace a connector (CN305) connector (CN305) ② Check of U201 Backlight does work (pin 7) ③ check the data line from Check U401...
Flow Chart of Troubleshooting 10-1-8. Camera Camera does not work Check the connection of SLC103 and CAMERA Module Check camera FPCB Change camera module and check of CN301 and CN301 Check the voltage pin 9,10 of U311 Change U311 (Pin 9 : 2.8V Pin 10 :1.5V) Check pin23 of CN301 Check...
Flow Chart of Troubleshooting 10-2-7. Bluetooth Part BT connection disable Check BT function ON Enable BT function Check the voltage of Check U105 and change C150 is around 1.8V Check 32KHz Clock on Check U101 or U101 Initial part Check the Resolder or change assembled status of AN102...
PS : Pilot Symbol QPSK: Quadrature Phase Shift Keying RS : Reed-Solomon SI : Service Information TDM : Time Division Multiplexing TS : Transport Stream 11-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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ⓒ 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. Code No.: GH68-10799A 2006. 06. Rev.1.0...
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