GSM TELEPHONE SGH-C450 GSM TELEPHONE CONTENTS Safety Precautions Specification Product Function Array course control Exploded View and Parts List MAIN Electrical Parts List Block Diagrams PCB Diagrams Flow Chart of Troubleshooting 10. Reference data 11. Disassembly and Assembly Instructions...
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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. 08 Rev.1.0...
● 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...
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● 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...
30 dBm ~ 0d Bm Power Cl ass (max +33dBm) (max +30dBm) Sensitivity -1 02dBm -1 00dBm T DM A M u x Cell Ra dius 35Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
3. Operation Instruction and Installation Main Function S20 Pin TA No Java No MMS FM radio WAP 2.0 10 Poly S/W MIDI Dual band(900/1800MHz) GPRS Class 10 VGA camera SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Operation Instruction and Installation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
1. JIG Box: Download, Trace, Calibration, etc 2. RF test cable: RF test 3. Test cable: JIG to phone 4. Serial cable: PC to JIG 5. TA (Travel Adaptor) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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4-2-2. Pre-requsite for Downloading • Downloader Program(C450 Downloader 2.0NEW) • SGH-C450 Mobile Phone • JIG BOX • Test Cable • Serial Cable • Binary files SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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4-2-3. S/W Downloader Program 1. Load the binary download program by executing the C450 Downloader 2.0NEW “ ”. 2. Select the Port, Baud Rate and Mode. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Array course control 3. Select the binary files what you want to download SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Array course control 4. Press the "Start" button and connect the Handset 5. When downloading is complete, automatically the small window was showed up.. SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Array course control SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
SPEAKER 3001-002100 QMI01 MICROPHONE-ASSY-SGHC420 GH30-00390A QMI03 AS-SCHS299 MIC RUBBER HOLDER GH81-06644A QFR01 ASSY CASE-FRONT GH98-05043B QRF03 PMO COVER-EAR V2 GH72-42135B QSP05 ASSY DECO-SPK GRILL GH98-04853A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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LABEL(R)-WATER SOAK GH68-09361A LABEL(R)-MAIN(EU) GH68-15206A MANUAL USERS-EU ROMANIAN GH68-15253A BOX-UNIT(EU) GH69-05570B TAPE INSU GH74-13822A TAPE INSU GH74-28075A MPR-VINYL BOHO WINDOW GH74-31711A VINYL-BOHO WINDOW MAIN TOP GH74-32641A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Exploded View and Parts List SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
2203-006824 C304 C-CER,CHIP 2203-006824 C305 C-CER,CHIP 2203-006257 C306 C-CER,CHIP 2203-006257 C307 C-CER,CHIP 2203-006257 C308 C-CER,CHIP 2203-006257 C309 C-CER,CHIP 2203-006257 C310 C-CER,CHIP 2203-005482 C311 C-CER,CHIP 2203-006257 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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2203-005482 C512 C-CER,CHIP 2203-005482 C513 C-CER,CHIP 2203-006562 C514 C-CER,CHIP 2203-006562 C515 C-CER,CHIP 2203-005482 C600 C-CER,CHIP 2203-000311 C601 C-NETWORK 2503-001053 C602 C-NETWORK 2503-001053 C603 C-NETWORK 2503-001053 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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2703-002309 L401 BEAD-SMD 3301-001729 L402 BEAD-SMD 3301-001729 L403 BEAD-SMD 3301-001729 L404 BEAD-SMD 3301-001729 L405 BEAD-SMD 3301-001729 L406 BEAD-SMD 3301-001729 L407 INDUCTOR-SMD 2703-002313 L408 INDUCTOR-SMD 2703-002313 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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2007-000171 R212 R-CHIP 2007-000162 R214 R-CHIP 2007-007107 R215 R-CHIP 2007-000159 R216 R-CHIP 2007-007142 R217 R-CHIP 2007-007107 R219 R-CHIP 2007-000162 R221 R-CHIP 2007-000162 R222 R-CHIP 2007-000162 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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2007-000171 R508 R-CHIP 2007-000171 R509 R-CHIP 2007-007107 R510 R-CHIP 2007-000143 R511 R-CHIP 2007-000143 R512 R-CHIP 2007-000171 R517 R-CHIP 2007-000171 R518 R-CHIP 2007-007014 R519 R-CHIP 2007-001303 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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1204-002700 U501 IC ASIC-SGHC420 GH13-00057A U502 IC-CMOS LOGIC 0801-002237 U503 FET-SILICON 0505-001469 U601 FET-SILICON 0505-001469 U602 R-CHIP 2007-000162 UCP200 IC-COMM. CONTROLLER 1205-003192 VR300 VARISTOR 1405-001082 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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1405-001082 VR604 VARISTOR 1405-001082 VR605 VARISTOR 1405-001082 VR606 VARISTOR 1405-001082 VR607 VARISTOR 1405-001082 VR608 VARISTOR 1405-001082 VR609 VARISTOR 1405-001121 ZD100 DIODE-TVS 0406-001267 ZD300 DIODE-ZENER 0403-001340 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 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
7. Block Diagrams 7-1. Main Block Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Block Diagrams 7-2. RF Solution Block Diagram SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Not OK Check the pin 7 of Solder OSC100, U101 and C118 U101 produces 13M again pulse signal Is Power On working? Repeat sequence 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 Power On SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Check VDD1, VDD3=1.8V, Not OK VDD2=2.8V and Check U300 AVDD=2.6V of UCP 200 Not OK Check D_REF_13M of Check U100 and POWER ON Sequence UCP 200 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 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
The voltage is 2.8V Check UCP200, C419 at the pin#1 SIM300 Is there any signal Check UCP 200, U300 pin #2,3,4 of SIM300? 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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Not OK Check the circuit Solder C401,C402, C404, C405, L401, of MIC PART L402, L403, L404 and R402 again Is Phone MIC working? Replace MIC 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 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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) Not OK Check the circuit Solder L501, L502, C407, C408, of EAR MIC C413 and R418 again Is Earphone MIC working? Repeat the sequence 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 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 9-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Check R410, R415, C217 and C218 Check UCP200 or Change UCP200 Is JACK_INT signal LOW? Solder R505 again (When UCP200 operates) Not OK Check EAR SW Solder F501 again 9-11 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 9-12 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 9-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Replace the U300 33 Pin of U300 Not OK Check TR300 (E,B,C) Replace the TR300 Not OK Solder R307 again or change a Check R307 battery 9-14 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 9-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Solder U401 again U401 Not OK Solder R410 and R415 again or Check R410 and R415 replace U401 Not OK Replace UCP200 Check UCP200 9-16 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 9-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Check the Dome sheet & Key FPCB pushed, is it displayed on LCD? When one of the keys is pushed, Replace the PBA KEYSENSE(0)~(4),KYPD9~1 9-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Set BACKLIGHT on Always ON AlwaysON in the Menu? Not OK Check the outflow voltage Replace U402 of U402(PIN 5) is equal to 3.7V Replace the LCD Module 9-19 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 9-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Backlight does not work Is BACKLIGHT set Set BACKLIGHT on Always ON AlwaysON in the Menu? Not OK Replace U300 Check V_KEY_3.2V Replace LED 9-21 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 9-22 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 9-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
7(EGSMRX) PAM100 ≥-65dBm Check U100 Resolder or Change pin 17, 18 (EGSMRX) F100 ≥-65dBm > Check UCP200 Resolder or Change MOD_STANDBY=HIGH UCP200 PON_PA=LOW BAND=LOW 9-24 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 9-25 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 9-26 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Flow Chart of Troubleshooting 9-15. GSM Transmitter TX ON (5Level) PAM100 Pin11 Resolder PAM100 ≥ 30dBm (TX MODULE) PAM100 pin17 20dBm ≥ Check UCP200 Resolder U100 (TRANSCEIVER) 9-27 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 9-28 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 9-29 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Check U100 Resolder or Change pin 15, 16 (DCSRX) F100 ≥-65dBm > Check UCP200 Resolder or Change MOD_STANDBY= "HIGH" UCP200 PON_PA= "LOW" BAND= "HIGH" 9-30 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 9-31 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 9-32 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Flow Chart of Troubleshooting 9-17. DCS Transmitter TX ON (5Level) PAM100 Pin11 Resolder PAM100 ≥ 30dBm (TX MODULE) PAM100 pin19 20dBm ≥ Resolder U100 Check UCP200 (TRANSCEIVER) 9-33 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 9-34 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 9-35 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 9-36 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
― ETSI: European Telecommunications Standards Institute ― MS: Mobile Station ― QPSK: Quadrature Phase Shift Keying ― RF : Radio Frequency ― TDMA : Time Division Multiple Access 10-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Reference data 10-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
Detach a speaker by using a pincette. 1) Be careful for damaging a speaker wire and a LCD 1) Be careful for breaking a component. wire. 11-1 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
1) Be cautious when you remove a screw. It is possible to damage a case or to scratch the one. possible to damage a case or to scratch the one. 11-2 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...