Samsung SGH-T100 Service Manual Download Page 34 | Manualshive

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5-8

Flow chart of Troubleshooting and Circuit Diagram

5-5 Microphone Part

Microphone does not work

Resolder MIC and

ZD400, ZD402

Check

the connection

from MIC

END

No

Yes

Yes

Check the circuit

related to U400

Resolder the R424, R425, R431,

R434, C435, C438 and C443

Yes

No

Check the MIC

No

Replace the MIC

Yes

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Summary of Contents for SGH-T100

Page 1: ...L BAND Mobile Cellular Phone SGH T100 Manual DUAL BAND MOBILE CELLULAR PHONE CONTENTS 1 Exploded Views and Parts List 2 PCB Diagrams 3 Electrical Parts List 4 Block Diagrams 5 Flow Chart of Troubleshooting and Circuit Diagram ...

Page 2: ...Samsung Electronics Co Ltd Printed in Korea 04 2002 Rev 1 0 GH68 02699A ELECTRONICS ...

Page 3: ...Main Bottom 2 2 1 Main RF Bottom 2 2 2 Main Base Band Bottom 3 Electrical Parts List 3 1 Main Parts List Top 3 2 Main Parts List Bottom 4 Block Diagrams 4 1 Main Base Band 4 2 Main RF 4 2 1 RF Tx Part 4 2 2 RF Rx Part 5 Flow chart of Troubleshooting and Circuit Diagram 5 1 Power ON 5 2 Initial 5 3 Charging Part 5 4 Sim Part 5 5 Microphone Part 5 6 Speaker Part 5 7 Key Data Input 5 8 Alert tone 5 9...

Page 4: ...1 2 Exploded Views and Parts List 1 SGH T100 Exploded Views and Parts List 1 1 Main 16 17 18 14 21 20 12 9 1 2 22 23 10 11 19 7 5 6 4 3 15 1 15 2 15 3 15 13 8 ...

Page 5: ...R KEY PAD MAIN PBA V K FPCB DOME SHEET MIC CONNECTOR COVER VOLUME KEY REAR COVER ANTENNA MOBILE CAP SCREW BATTERY BATTERY Description SEC CODE Remark Location No GH72 03659B GH75 01772A GH07 00147A GH07 00126A 3101 001243 3001 001257 GH59 00305A GH75 01773A 6001 001285 GH74 02761A GH74 02760A GH72 04239B GH75 01776A GH75 01861A GH92 01300A GH59 00366A GH59 00365A GH59 00336A GH73 00741A GH75 01205...

Page 6: ...5 01776A GH75 01777A GH74 01466A GH74 01467A GH43 00516D GH43 00512D GH75 01774A GH75 01772B GH75 01773B GH75 01776B GH75 01777B GH74 01466B GH74 01467B GH43 00516A GH43 00512A GH75 01774B GH75 01772C GH75 01773B GH75 01776C GH75 01777C GH74 01466D GH74 01467D GH43 00516B GH43 00512B ITEM COLOR SILVER WHITE PEARL GOLD GH75 01774D GH75 01772E GH75 01773E GH75 01776E GH75 01777E GH74 01466F GH74 014...

Page 7: ...Exploded Views and Parts List 1 5 1 4 Travel Adapter Parts List TYPE SEC CODE REMARK A GH44 00171A CHINA B GH44 00184A EUROPE C GH44 00171C UNITED KINGDOM D Gh44 00171E TAIWAN 1 3 Travel Adapter A B C D ...

Page 8: ...1 6 Exploded Views and Parts List 1 5 Ciger Light Adapter 1 6 Ciger Light Adapter Parts List DESCRIPTION SEC CODE REMARK Ciger Light Adapter Code GH44 00170A BLACK ...

Page 9: ...Exploded Views and Parts List 1 7 1 7 Test Jig TEST JIG GH80 10508A TEST JIG CABLE GH39 00079A RF JIG CABLE GH39 0002A ...

Page 10: ...1 8 Exploded Views and Parts List DM CABLE GH39 00080A 1 7 1 Test Jig 8922 or 8960 WIRELESS COMMUNICATIONS TEST SET TEST JIG DC POWER SUPPLY RF JIG CABLE TEST JIG CABLE 232 CABLE ...

Page 11: ...Exploded Views and Parts List 1 9 1 8 Wearable EAR Microphone 1 9 Data Kit DATA KIT GH39 00078A Wearable EAR Microphone GH59 00322A ...

Page 12: ...1 10 Exploded Views and Parts List 1 10 Battery Charger BATTERY CHARGER GH44 00279A ...

Page 13: ...2 PCB Diagrams 2 1 Main Top PCB Diagrams 2 1 ...

Page 14: ...2 2 Main Bottom PCB Diagrams 2 2 ...

Page 15: ...P 10UF 6 3V ECST0JZ106R 18 U107 1203 002127 IC LTC1734ES6 4 2 TR LTC1734ES6 4 2 TR 19 C128 2404 001105 C TA CHIP 10UF 6 3V ECST0JZ106R 20 R122 2007 007107 R CHIP 100K 1 RK73H1ETP1003F 21 R119 2007 007590 R CHIP 82K 1 MCR01MZSF8202 22 C123 2203 005061 C CERAMIC CHIP C104Z 100NF 16V CL05F104ZONC 23 R124 2007 008117 R CHIP 2 7K 1 RK73H1ETP2701F 24 F200 F201 2901 001116 COMP SMD NFM39R12C471T1 NFM39R1...

Page 16: ...TR SMALL SIGNAL SMF05 TB SMF05 TB 50 C451 2203 000679 C CERAMIC CHIP C270J 27PF 50V GRP1555C1H270JZ01E 51 C461 2203 005444 C CERAMIC CHIP C030B 3PF 50V GRP1555C1H3R0BZ01E 52 C307 C310 C311 2203 000679 C CERAMIC CHIP C270J 27PF 50V GRP1555C1H270JZ01E 53 C306 2203 000870 C CERAMIC CHIP C030C 3PF 50V GRP1555C1H3R0CZ01E 54 C305 C309 C315 2203 005061 C CERAMIC CHIP C104Z 100NF 16V CL05F104ZONC 55 C312 ...

Page 17: ...07 1201 001785 IC PF08123B PF08123B 21 U104 1203 001518 IC MIC5219 3 3BM5 MIC5219 3 3BM5 22 U103 1203 002247 IC S 80926ALMP DAP T2 S 80926ALMP DAP T2 23 U502 1203 002484 IC MAX8890 MAX8890 24 U101 1203 002509 IC R5323N301B R5323N301B 25 U400 1205 001881 IC VP40575 VP40575 26 U601 1205 001935 IC HD155128TF HD155128TF 27 U501 1209 001337 IC SI4133 MLP28 SI4133 MLP28 28 U701 1209 001379 IC HD155173AN...

Page 18: ...CS 62 R600 R602 2007 000173 R CHIP 22 5 RC1005J220CS 63 R609 R709 R710 R715 2007 000174 R CHIP 47 5 RC1005J470CS 64 R716 2007 000174 R CHIP 47 5 RC1005J470CS 65 R504 2007 000242 R CHIP 1 5K 5 RC1005J152CS 66 R722 2007 000831 R CHIP 39K 5 RC1005J393CS 67 R703 R704 2007 001288 R CHIP 18 5 RC1005J180CS 68 R605 R701 R702 2007 001290 R CHIP 24 5 MCR01MZSJ240 69 R718 2007 001292 R CHIP 33 5 MCR01MZSJ330...

Page 19: ... C CERAMIC CHIP C102K 1NF 50V GRP155R71H102KA01E 108 C635 C644 C707 C711 2203 000438 C CERAMIC CHIP C102K 1NF 50V GRP155R71H102KA01E 109 C716 2203 000438 C CERAMIC CHIP C102K 1NF 50V GRP155R71H102KA01E 110 C646 2203 000609 C CERAMIC CHIP C223K 22NF 50V GRM216R71H223KA01D 111 C122 C130 C131 C132 2203 000679 C CERAMIC CHIP C270J 27PF 50V GRP1555C1H270JZ01E 112 C201 C202 C203 C204 2203 000679 C CERAM...

Page 20: ...104Z 100NF 16V CL05F104ZONC 149 C103 C109 C514 C639 2203 005065 C CERAMIC CHIP C105Z 1UF 10V GRM188F51A105ZC01D 150 C608 2203 005288 C CERAMIC CHIP C010B 1PF 50V CL05C010BBNC 151 C609 2203 005393 C CERAMIC CHIP C050B 5PF 50V GRP1555C1H5R0BZ01E 152 C450 2203 005444 C CERAMIC CHIP C030B 3PF 50V GRP1555C1H3R0BZ01E 153 C108 C435 C443 2203 005480 C CERAMIC CHIP C333K 33NF 10V GRP155R71A333KA01E 154 C44...

Page 21: ...39R12C471T1 NFM39R12C471T1 182 F605 2901 001155 COMP SMD NFM60R00T221 NFM60R00T221 183 F608 2901 001215 COMP SMD NFM21PC104R1E3D NFM21PC104R1E3D 184 F601 F602 2904 001328 COMP SMD FAR F6CS 1G8425 L250 FAR F6CS 1G8425 L250 185 F604 2904 001348 COMP SMD JMK42 0031B JMK42 0031B 186 U706 2909 001146 COMP SMD ES A5010B ES A5010B 187 U708 3705 001255 COMP SMD KMS 158 KMS 158 188 CN101 3709 001190 COMP S...

Page 22: ...L Charging Circuit Li Ion Battery Slim Standard ONE C VIBRATOR SYSTEM CLOCK 13MHz EEPROM RTC_CLOCK 32 768KHz KEY_BOARD SIM CARD RECEIVER MIC LCD RF INTERFACE 3VTX XVCC 3VRF RTC_3V3 RTC_VCC 3VBANDSEL AVCC VCC Serial Data Interface I O Interface A D Interface BB INTERFACE MELODY IC 16 Poly SPEAKER SRAM 16M bit FLASH 64M bit ...

Page 23: ...Hz GSM 540MHz I Q Mod GSM 270MHz DCS 135MHz Phase Detector Loop filter GSM 270MHz DCS 135MHz Baseband Block 890 915MHz PGSM 1710 1785MHz DCS Tx Dual VCO APC Circuit Mixer 2 Serial data interface 45MHz 270MHz 2 GSM 1150 1185MHz DCS 1580 1655MHz I I Q Q I Q Demo I I Q Q CLK SDATA EN bias circuit Mixer 1 RF VCO 2 Rx SAW filter 540MHz Dual Directional Coupler GSM 1150 1185MHz DCS 1575 1650MHz CH62 947...

Page 24: ...07 APC Circuit Coupler 15 9 1 1 6 6 U700 U702 3 3 3 5 2 540 MHz PCN 1575 1650 MHz Tx GSM 1150 1185 MHz 2 11 1 2 3 4 5 38 35 20 19 18 17 30 47 5 1 8 1 4 2 5 2 1 Ant S W Control Circuit 3VTX TXEN2 VC1 VC2 VC3 VC3 VC2 VC1 GSM Tx DCS Tx Rx H H H L L L L L L 11 SI4133 MLP28 U501 VCTCXO 13MHz U500 IF VCO 1080MHz PLL1 PLL2 RF VCO AFCDAC 10 23 15 880 915MHz EGSM 890 915MHz PGSM 1710 1785MHz DCS ...

Page 25: ... 2 30 47 10 1 1 3 7 5 1 8 7 5 53 54 2 3 49 50 2 3 5 6 40 41 27 SDATA SCLK SYNEN1 46dBm 947 067 MHz 50dBm 1842 467 MHz 47dBm 30dBm 33dBm 38dBm 52dBm 43dBm 9dBm 1172 MHz 9 5dBm 1617 4 MHz GSM 1150 1185 MHz DCS 1580 1655 MHz 8dBm 1080 MHz 24 4dBm G 29dBm D 224 933 MHz 31dBm G 35dBm D 22dBm G 25dBm D 45 067 MHz 50dBm G 54dBm D 67 kHz 26 25 24 33 32 44 43 Dual RF SAW Filter F601 4 3 6 10 SI4133 MLP28 U...

Page 26: ...BATT to BAT101 The node between D100 and BAT101 2 8 V No Yes When the END key is pressed D101 pin3 3 4V Replace the PBA No END U101 pin 2 3 3 4V Check the circuit related to U101 No Yes Check the initial operation U463 pin1 3 3 0 V Check U101 and related circuit No Yes Check for the clock signal at R504 Check the clock generation circuit related to U500 and Q500 No Yes Yes 4 4 Block Diagrams ...

Page 27: ...9 100NF AVCC 100PF C101 RTC_VCC ON_OFF RTC_3V3 DCIN R116 100K 1 2 3 4 5 0 R115 100K R114 10UF 6 3V C107 4 7uF 1UF C103 100K R113 DCVOLT 100K R112 10UF 6 3V C100 R111 100K R117 BAT101 RB414II06N 2 1 RFVIN C113 10NF R107 1K 6 R1 C1 R2 1 S2 4 R106 100K U102 SI3865DV D2 2 D2 3 ON OFF 5 C110 100UF 100UF C111 C112 U105 UMC5NTL 6 3 4 7uF C115 C106 10NF 100NF C120 100K C104 10NF C109 1UF UMN1 D101 1 2 3 4...

Page 28: ... END No U302 pin 6 H The node between R401 and C404 H RST No Check U103 R409 H SIMPWDN_BOOT No Resolder R409 Yes R428 H GPIO4_MSIZE No Resolder R428 Yes R429 L GPIO2_EXTPROC No Resolder R429 Yes Replace PBA Check all the other connection by Test S W Check the circuit around LCD Check the circuit around U401 EEPROM and data stored in it Yes ...

Page 29: ...Flow chart of Troubleshooting and Circuit Diagram 5 3 U400 U103 VCC VCC R401 C404 R409 R428 MSIZE SIMPWDN_BOOT F_WP SYSRST GPIO3 GPIO4 DTR1 U304 VCC _F_CE F_VCCW U302 6 R324 ...

Page 30: ...iagram 5 3 Charging Part Abnormal charging part Replace TA Check the CN4 1 pin 17 18 5 V No Yes Yes Check the U107 pin 3 5 V Resolder C128 Yes No U107 pin 4 L Resolder R124 Yes No Resolder components around U107 Check the U107 pin 5 4 2V END Yes No ...

Page 31: ...ircuit Diagram 5 5 CHG_ON C121 6 3V 10UF 4 VCC 3 VSENSE 5 2 7K L ON H OFF 1 VBATT BAT_VOLT DCVOLT ICHRG 4 R124 R122 100K 1 R119 82K 1 6 3V 10UF C128 C123 100NF LTC1734ES6 4 2 TR U107 DRIVE 6 GND 2 ISENSE 1 PROG ZXT13P20DE6 Q101 3 1 2 5 6 ...

Page 32: ...uit around U401 Serial EEPROM and data stored in it Yes U106 pin 5 H U106 pin 2 3 3 V Replace the PBA Replace U106 Yes No No CN101 pin 1 5 3 V Resoldering CN102 and check open connection from U106 to CN101 No After Power ON Check SIMCLK Signal on CN102 pin 3 in a few second After SIM card insert CN101 pin 2 H SIMRST Replace PBA Replace the PBA Yes Yes No No ...

Page 33: ...SIM CONNECTOR 5 27PF C131 27PF C122 SIMALIM 47K R123 VCC 10NF CN101 CLE1006 093709 001101G NC SIMRST SIMDATA SIMCLK 27PF C132 6 3V 10UF C125 3 V C1 2 VIN R1 4 C129 100NF R120 G 9 10 G C126 FDG6323L 5 ON OFF R1 C1 6 R2 1 2 V C1 1 C130 27PF U106 1 1 2 2 3 3 4 4 5 5 6 6 G 7 G 8 ...

Page 34: ...ram 5 5 Microphone Part Microphone does not work Resolder MIC and ZD400 ZD402 Check the connection from MIC END No Yes Yes Check the circuit related to U400 Resolder the R424 R425 R431 R434 C435 C438 and C443 Yes No Check the MIC No Replace the MIC Yes ...

Page 35: ...Flow chart of Troubleshooting and Circuit Diagram 5 9 MIC ZD402 ZD400 XVCC C435 C443 R424 R434 R425 R431 U400 VXI1P VXI1N C438 ...

Page 36: ...t U300 pin 5 H No No Replace the PBA Yes Yes Check for the clock signal at R304 No Check the clock generation circuit related to U500 and Q500 Yes Modify the SPK pins Check the depression of the SPK pins Is Speaker working Change the Speaker END No Yes Yes No U303 pin 17 18 1 8 V CN201 pin 14 20 1 8 V Yes Yes No No Resolder U303 Resolder CN201 ...

Page 37: ...6323L U300 3 4 RST WR 28 NC VCC 270PF TC7SH04FU TE85L 3 GND 2 IN 1 NC 4 OUT 5 VCC R323 27PF C311 YMU759 QE2 U303 51K R305 4 7uF 6 3 R319 39K R310 3PF C306 R313 C308 1NF C300 R823 100K C314 4 7uF 6 3 100NF C315 VCC 10K R306 U803 TC7SH04FU TE85L 3 GND 2 IN 1 NC 4 OUT 5 VCC C304 C312 22NF C316 R312 33K 17 18 SPOUT2 SPVDD 15 16 SPVSS SYNC 30 VDD 7 VREF 9 8 VSS IRQ 19 10 HPOUT L MONO HPOUT R 11 IFSEL 5...

Page 38: ...roubleshooting and Circuit Diagram 5 7 Key Data Input Check Initial operation Replace the PBA Are KEYBOARD_ROW 0 4 is Low When one of the keys is pushed one of KEYBOARD_ROW 0 4 is High Replace the PBA END No Yes Yes Yes No ...

Page 39: ...t Receiver does not work Yes CN401 pin 2 3 short Resoler CN401 CN401 pin 2 3 6 1 5 V No No Replace the PBA Yes Yes CN201 pin 7 17 1 5 V No Resolder CN201 Yes Modify the REC pins Check the depression of the REC pins Is Receiver working Replace the Receiver END No Yes Yes No ...

Page 40: ...5 14 Flow chart of Troubleshooting and Circuit Diagram U400 CN201 REC PWO1P PW01N 7 17 REC REC ...

Page 41: ... does not work Check the circuit related to U102 U102 pin 2 3 3 4 V Is Green color LED of 3LEDs correctly work Check Q803 R810 LED802 END Check Q804 R813 LED802 Yes No Yes Yes No No No Check Q801 R809 LED801 Yes Is Red color LED of 3LEDs correctly work Is Blue color LED of 3LEDs correctly work ...

Page 42: ...chart of Troubleshooting and Circuit Diagram 100 5 R809 2 3 1 Q803 DTC114YE 2 3 1 RI_RED RTC_3V3 RI_BLUE RI_GREEN R813 330 5 R810 150 5 Q804 DTC114YE Q801 DTC114YE LED801 SLS NNBL102TS 2 3 1 CL 165HR YG D LED802 ...

Page 43: ...LCD END Backlight does not work Select LCD Contrast high level LCD Contrast high level in the menu U201 pin 4 H No Yes Yes No Replace the PBA Check for the pluse signal at CN201 pin 26 Replace the LCD module No Yes U801 pin 2 H Resolder U801 Yes Check the circuit related to SW801 No END ...

Page 44: ...cklight ON mode Backlight ON mode in the menu R811 H GPO1 by test S W No Yes Yes No Check the CN201 pin 21 Check the CN201 pin 21 H LCD backlight on Replace EL sheet No Yes No LCD BACKLIGHT KEY PCB LED Resolder R811 R812 Q802 pin 1 H No Yes Resolder Q802 Q802 pin 3 L No Yes Yes END Key LED on Resolder R801 R808 and D800 D807 No ...

Page 45: ... 55 dBm Check RF connector resolder Resolder U706 Pin 10 65 dBm Check VC1 L VC2 L Resolder F602 Resolder C621 L602 L610 C629 Resolder F601 C610 L603 Check C504 CH 225MHz 20 dBm C510 1080MHz 20 dBm Resolder U501 Resolder F604 C607 C611 C608 C613 C605 C609 R601 U601 Pin 24 25 26 27 40 mV Resolder OneC U400 U601 Check U601 Pin 32 33 2 5 V Pin 35 0 5 V Resolder U601 Pin35 Pin 32 33 Resolder U400 No No...

Page 46: ... Yes Yes Check Ant S W Control Circuit Check U707 VBATT Pin 2 APC OK Resolder or Change U707 Yes Check VBATT or APC Control No U602 Pin 1 7 dBm Resolder or Change C640 R702 R700 R701 C705 No Yes U602 Pin 3 2 5 V Pin 11 2 8 V Pin 9 0 5 2 5 V Resolder U400 U502 U503 U504 U602 U601 pin 30 47 10 dBm Resolder U501 U601 Pin 17 18 19 20 40 mV Resolder OneC U400 Check U601 Pin 38 2 5 V Pin 35 0 5 V Resold...

Page 47: ...5 dBm Check RF connector resolder Resolder U706 Pin 1 65 dBm Check VC1 L VC2 L Resolder F602 Resolder C630 L611 C619 L612 C650 Resolder F601 C626 L607 Check C504 CH 225MHz 20 dBm C510 1080MHz 20 dBm Resolder U501 Resolder F604 C607 C611 C608 C613 C605 C609 R601 U601 Pin 24 25 26 27 40 mV Resolder OneC U400 U601 Check U601 Pin 32 33 2 5 V Pin 35 2 5 V Resolder U601 Pin 35 Pin 32 33 Resolder U400 No...

Page 48: ...nge or Resolder U706 Resolder U702 L706 Resolder or Change C641 R703 R704 R705 C706 Resolder U400 U502 U503 U504 U602 U601 pin 30 47 10 dBm Resolder U501 U601 Pin 17 18 19 20 40 mV Resolder OneC U400 Check U601 Pin 38 Pin 35 2 5 V Resolder U601 Pin35 Pin38 Resolder U400 No No No No No No No No No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Check Ant S W Control Circuit Check U707 VBATT Pin 2 APC OK...

Page 49: ...1 POONRX2 32 POONTX 38 26 IOUTB LE 55 3 MIX1DCSIN MIX1DCSINB 2 MIX1GSMIN 53 MIX1GSMINB 54 49 MIX1OUT MIX1OUTB 50 5 16 ICURAD IFDIVSEL 31 IFIN 41 IFINB 40 IFLOIN 30 IIN 20 IINB 19 IOUT 27 46 GNDIF GNDIFLO 28 GNDIQ 23 GNDMIX 52 13 GNDPLL LNA GSMB 6 GSMC 4 GSME BAND 35 CLK 56 DCSB 10 DCSC 8 DCSE1 9 DCSE2 7 GNDCTRL 39 18PF HD155128TF U601 C626 3 7 OUT1 OUT2 5 L604 68nH FAR F6CS 1G8425 L250 F601 G1 2 G...

Page 50: ...7PF VC2 10K 1 R707 G 5 6 G C709 82PF KMS 158 U708 2 A C 3 G 1 G 4 1NF C707 47PF C710 E2 8 2nH L700 BCR08PN 2 B1 5 B2 C1 6 3 C2 E1 1 4 5 6K 1 U703 R705 R708 51 C712 47PF 11 VC2 R718 33 DCS_TX 4 G G 6 7 G G 912 G GSM_RX 10 GSM_TX 5 VC1 2 VCTL VDD1 3 6 VDD2 U706 ES A5010B 8 ANT 1 DCS_RX 3 G6 G7 15 16 G8 G9 17 GSM 1 POUTDCS 5 4 POUTGSM VAPC 2 7 PF08123B TB 8 DCS G1 9 18 G10 G2 10 G3 11 12 G4 G5 13 14 ...

Page 51: ...C504 560PF R503 3 3K C507 10NF R508 10K ON OFF 5 6 R1 C1 1 R2 V C1 1 2 V C1 2 3 VIN R1 4 FDG63231 Q503 C518 C475K 4 7UF 6 3V 1 2K R513 C515 NC 100NF 1NF C513 U500 TCO 9141 GND 2 3 OutPut Vcc 4 1 Vcont C506 C516 C475K 4 7UF 6 3V 100NF C503 10nH L722 2 2nH L721 C508 C517 100NF 10NF 100NF C500 10NF C505 9 1K R501 10K R511 NC C511 C814 4 7uF 6 3 7 BP 4 EN1 5 EN2 6 EN3 8 GND1 11 GND2 IN1 1 IN2 2 IN3 9 ...

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