Related Manuals for Samsung SGH-C120
Summary of Contents for Samsung SGH-C120
- Page 1 GSM TELEPHONE SGH-C120 GSM TELEPHONE CONTENTS Specification Flow Chart of Troubleshooting Exploded Views and Parts List Electrical Parts List PCB Diagrams Block Diagrams...
- Page 2 ⓒ 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.: GH68-08501A 2005. 11. Rev.1.0...
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Page 3: Specification
0pcl ~ 15pcl S e nsi ti vit y -102dBm - 10 2d B m -100dBm TDM A Mu x Cell Radiu s 35 Km 35 Km SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... -
Page 4: Gsm Tx Power Class
11± 3 dBm 8± 4 dBm 9± 3dBm 6± 4 dBm 7± 3 dBm 4± 4 dBm 5± 3 dBm 2± 5 dBm 0± 5 dBm SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... -
Page 5: Flow Chart Of Troubleshooting
Check the clock signal at pin#8 of U100 Freq = 13MHz Check the clock generation circuit Vrms >=300mV ④ (related to OSC100) Vpp ≒ 900mV Check the initial operation SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... - Page 6 SGH-C120 Flow Chart of Troubleshooting ② ③ ① ② ④ ① SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 7 SGH-C120 Flow Chart of Troubleshooting SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 8 RFIDN RTX_QN U100 RFIEP SERDAT SDIO RFIEN SERLE _SEN RFIAP SERCLK SCLK RFIAN 24 R105 R106 R107 VRF_2.9V C130 R110 XOENA R111 OSC100 C133 C134 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 9 The voltage is "High" at ④ Check the U300 the C313,C315,C316 LCD display is O.K Check the LCD part Sound is O.K Check the Audio part SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 10 SGH-C120 Flow Chart of Troubleshooting ③ ① ④ ② SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 11 KEY_ROW(3) EAR_SWITCH KEY_ROW(4) VIB_EN JACK_IN PWR_KEEP SIMRST DEBUG_DTR DEBUG_RI DEBUG_RTS DEBUG_TXD FLASH_RESET DEBUG_RXD DEBUG_CTS CHG_DET LED_EN RING_EN UP_CS UP_SCLK SDS_TXD SDS_RXD UP_SDO SIMDATA UP_SDI SIMCLK SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 12: Sim Part
SIM300 >= Check the U300 2.8V ? Is there any signals Check the U200 & U300 ③ 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... - Page 13 SGH-C120 Flow Chart of Troubleshooting ② ③ ③ ① SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 14: Microphone Part
Check the reference voltage on mic path Resolder or change R400,R401,R402,R403,R404,R405 ① VR401 ≒ 2.0V ? R407,R410,R413,R414,L400,L401 C403,C407,C413 ② Is microphone ok? Check U300 2-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... - Page 15 SGH-C120 Flow Chart of Troubleshooting ① ② 2-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 16: Receiver Part
Is the terminal of Buzzer Replace the Buzzer O.K ? Is there any signals at the pin#A13 and ② Check U300,D200,R218 pin#N12 of U300 ? 2-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... - Page 17 SGH-C120 Flow Chart of Troubleshooting ① ② ① ② 2-13 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 18 SGH-C120 Flow Chart of Troubleshooting VBAT D200 BUZ200 C227 BUZZER R218 C310 2-14 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 19 30,31 : change or resolder 26MHz ? Vp-p : 950mV? U100 U100 pin 4,5,6,7 Vp-p resolder or change : 120mV ? ⑧ U300 CHECK!! 2-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 20 SGH-C120 Flow Chart of Troubleshooting ③ ② ⑥ ③ ④ ⑥ ⑧ ⑤ ⑦ 2-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 21 U100 CHECK OSC100 ⑦ pin 30,31 : change or resolder 26MHz ? U100 U100 pin4,5,6,7 Vp-p resolder or change : 120mV ? U300 CHECK!! 2-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 22 SGH-C120 Flow Chart of Troubleshooting ③ ② ③ ⑤ ④ ⑥ ⑦ 2-18 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 23 ⑦ ⑥ 26MHz ? pinA13,C314 change or resolder Vp-p : 950mV? change or resolder U100 pin4,5,6,7:100m U300 change or resolder U100 change or resolder 2-19 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 24 SGH-C120 Flow Chart of Troubleshooting ③ ① ⑥ ⑤ ② ⑥ ④ ⑦ 2-20 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 25 OSC100 ⑥ pinA13,C314 26MHz ? change or resolder change or resolder Vp-p : 950mV? U100 pin4,5,6,7:100m U300 change or resolder U100 change or resolder 2-21 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 26 SGH-C120 Flow Chart of Troubleshooting ③ ① ⑤ ② ⑥ ④ ⑦ 2-22 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 27 SGH-C120 Flow Chart of Troubleshooting 2-23 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 28: Exploded Views And Parts List
3-1. Cellular phone Exploded View QFR01 QAR01 QKP01 QCR17 QLC01 QAU02 QMP01 QME01 QMI02 QMO01 QSH01 QMI03 QAN02 QRF03 QRE01 QIF01 QRF01 QBA01 QCR05 QBA00 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... -
Page 29: Cellular Phone Parts List
PBA MAIN-SGHC120 GH92-02344A QRF01 RMO-RF COVER GH73-05308A QSH01 MEC-SHIELD CAN REAR GH75-07868A QRE01 MEC-REAR COVER GH75-07867A QRF03 PMO-EAR COVER GH72-24320A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... - Page 30 LABEL(P)-WATER SOAK GH68-02026A MANUAL-USER GH68-07911A LABEL(R)-MAIN (EU) GH68-08401A BOX(P)-UNIT MAIN (SEA) GH69-03312B CUSHION-CASE TA3 GH69-03332A MPR-SPONGE SPEAKER GH74-02589A MPR-TAPE ESD GH74-18148A MPR-TAPE J_TAG SHORT GH74-18149A SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 31 3-3. Test Jig (GH80-00865A) 3-3-1. RF Test Cable 3-3-2. Test Cable 3-3-3. Serial Cable (GH39-00397A) (GH39-00127A) 3-3-4. Power Supply Cable 3-3-5. DATA CABLE 3-3-6. TA (GH39-00159A) (GH44-00184A) SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 32: Electrical Parts List
0601-002119 LED611 0601-002119 LED612 0801-000796 U501 IC-CMOS LOGIC 1109-001218 UME600 IC-MCP 1201-002260 PAM100 IC-POWER AMP 1203-003109 U301 IC-BATTERY 1203-003737 U400 IC-POSI.FIXED REG. 1203-003897 UCP300 IC-POWER SUPERVISOR SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... - Page 33 VARISTOR 1405-001082 VR608 VARISTOR 1405-001082 VR609 VARISTOR 1405-001082 VR611 VARISTOR 1405-001082 VR613 VARISTOR 1405-001093 VR505 VARISTOR 1405-001093 VR601 VARISTOR 1405-001108 VR403 VARISTOR 1405-001108 VR404 VARISTOR SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 34 R-CHIP 2007-000140 R528 R-CHIP 2007-000140 R530 R-CHIP 2007-000142 R406 R-CHIP 2007-000145 R422 R-CHIP 2007-000148 R111 R-CHIP 2007-000148 R402 R-CHIP 2007-000153 R524 R-CHIP 2007-000157 R200 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 35 R-CHIP 2007-000171 R408 R-CHIP 2007-000171 R409 R-CHIP 2007-000171 R416 R-CHIP 2007-000171 R418 R-CHIP 2007-000171 R419 R-CHIP 2007-000171 R425 R-CHIP 2007-000171 R500 R-CHIP 2007-000171 R501 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 36 R-CHIP 2007-001288 R509 R-CHIP 2007-001298 R103 R-CHIP 2007-001308 R112 R-CHIP 2007-001313 R102 R-CHIP 2007-001317 R407 R-CHIP 2007-001320 R405 R-CHIP 2007-001320 R410 R-CHIP 2007-001333 R421 R-CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 37 R-CHIP 2007-007489 R404 R-CHIP 2007-007538 R203 R-CHIP 2007-007538 R411 R-CHIP 2007-007538 R414 R-CHIP 2007-008263 R310 R-CHIP 2203-000233 C123 C-CER,CHIP 2203-000233 C135 C-CER,CHIP 2203-000233 C309 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 38 C-CER,CHIP 2203-000278 C122 C-CER,CHIP 2203-000278 C125 C-CER,CHIP 2203-000330 C216 C-CER,CHIP 2203-000330 C217 C-CER,CHIP 2203-000386 C131 C-CER,CHIP 2203-000425 C406 C-CER,CHIP 2203-000438 C104 C-CER,CHIP 2203-000438 C105 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 39 C-CER,CHIP 2203-000812 C555 C-CER,CHIP 2203-000812 C556 C-CER,CHIP 2203-000854 C121 C-CER,CHIP 2203-000995 C103 C-CER,CHIP 2203-000995 C116 C-CER,CHIP 2203-000995 C404 C-CER,CHIP 2203-001017 C128 C-CER,CHIP 2203-001072 C300 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 40 C-CER,CHIP 2203-005234 C124 C-CER,CHIP 2203-005234 C126 C-CER,CHIP 2203-005481 C114 C-CER,CHIP 2203-005482 C120 C-CER,CHIP 2203-005482 C130 C-CER,CHIP 2203-005482 C133 C-CER,CHIP 2203-005482 C302 C-CER,CHIP 2203-006053 C326 C-CER,CHIP SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 41 2203-006361 C320 C-CER,CHIP 2203-006361 C423 C-CER,CHIP 2203-006361 C504 C-CER,CHIP 2203-006438 C218 C-CER,CHIP 2203-006562 C303 C-CER,CHIP 2203-006562 C502 C-CER,CHIP 2404-001151 TA400 C-TA,CHIP 2404-001225 TA401 C-TA,CHIP 4-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 42 2703-002544 L105 INDUCTOR-SMD 2703-002558 L107 INDUCTOR-SMD 2801-003856 OSC200 CRYSTAL-SMD 2801-004426 OSC100 CRYSTAL-SMD 2904-001523 F100 FILTER-SAW 2909-001252 F101 DUPLEXER-ASM 3002-001098 BUZ200 BUZZER-MAGNETIC 3705-001358 RFS100 CONNECTOR-COAXIAL 4-11 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
- Page 43 Design LOC Discription STATUS 3709-001298 SIM300 CONNECTOR-CARD EDGE 3710-001611 IFC500 CONNECTOR-INTERFACE 3711-005901 BTC500 CONNECTOR-BATTERY 3722-002067 EAR400 JACK-EAR PHONE 4302-001130 BAT300 BATTERY-LI(2ND) GH09-00039A UCP200 IC MICOM 4-12 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 44: Pcb Diagrams
D400 F101 OSC100 PAM100 D501 VR613 U500 BAT300 U200 UME600 OSC200 ZD501 DSP _TDO DSP_TDI DSP _TMS DSP_TCK SIM300 BTC500 ZD503 ZD500 VR410VR411 MIC400 IFC500 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... - Page 45 SGH-C120 PCB Diagrams CN400 MOD500 ZD603 LED611 LED612 ZD604 ZD602 VR606 DOWN VR605 CLEAR SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...
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Page 46: Block Diagrams
6. SGH-C120 Block Diagrams 6-1. RF Solution Block Diagram TRIDENTⅡ CSP2100 DIGITAL FILTER ARM7 TDMI SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization... -
Page 47: Base Band Solution Block Diagram
SGH-C120 Block Diagrams 6-2. Base Band Solution Block Diagram CSP 2100 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization...