GSM TELEPHONE SGH-C100 SERVICE GSM TELEPHONE Manual CONTENTS 1. Specification 2. Exploded Views and Parts List 3. Electrical Parts List 4. Flow Chart of Troubleshooting 5. Block Diagram 6.
4. SGH-C100 Flow Chart of Troubleshooting 1.Pow er ON 'POW ER ON ' does not w ork No C heck the current consum ption m ore than 100m A D ow nload again Yes No C heck the V oltage of the Battery m ore than 3.3V Charge the Battery Yes No C heck the capacitor C236 close by U 200(M SD ) is m ore than 3.2V C heck to the path from CN 402 to capacitor C236 close by U 200(M SD ) Yes No 2.7V ¡´ C 234 of U 200(M SD ) = 2.8V C heck the M SD (U 200) Yes No Check the T P222 of U 200(M SD ) is high¡ 2.
SGH-C100 Flow Chart of Troubleshooting 2.Initial Initial Failure No Check the R209 of U 200 is 'H igh' Check the U 200(M SD ) Yes No C heck the clock signal's w ave at R201(19.5M H z) C heck the clock generation circuit (related to U 200 and O SC200) Yes No Check the T P234 3.
SGH-C100 Flow Chart of Troubleshooting 3.Charging * T est after connecting w ith B attery : A ll 4 term inals in battery should be connected to the phone by using jum p-w ires.
SGH-C100 Flow Chart of Troubleshooting 4-4 SAMSUNG Proprietary-Contents may change without notice T his Docum ent can not be used w ithout Sam sung's authorization
SGH-C100 Flow Chart of Troubleshooting 4.Sim * T est w ith Sim Phone can't access SIM card Yes No Check the the voltage at pin 1 & 5 of C N 500 is 2.
SGH-C100 Flow Chart of Troubleshooting 4-6 SAMSUNG Proprietary-Contents may change without notice T his Docum ent can not be used w ithout Sam sung's authorization
SGH-C100 Flow Chart of Troubleshooting 5.M icrophone Part * C all w ith Sim before testing. M icroPhone does not w ork Yes No check the connection from M IC500 Resolder M IC 500 Yes No check the voltage of C214 ¡ˆ 2.0V Check the path around M IC bias circuit Yes C heck the Audio loopback by board test program .
SGH-C100 Flow Chart of Troubleshooting 4-8 SAMSUNG Proprietary-Contents may change without notice T his Docum ent can not be used w ithout Sam sung's authorization
SGH-C100 Flow Chart of Troubleshooting 6.Receiver * C all before testing.
SGH-C100 Flow Chart of Troubleshooting 7.Speaker * Play on 16-poly m elody before testing. Receiver does not w ork No Check the pin1 of U 500's clock ¡ 3.
SGH-C100 Flow Chart of Troubleshooting 8.Key Data Input Check the Initial O peration Replace or A djust C heck the K eypad & D om Sheet the K eypad & D om Sheet Yes No '#pad'(See the picture below ) is 'high'(¡ 2.
SGH-C100 Flow Chart of Troubleshooting 9.
SGH-C100 Flow Chart of Troubleshooting 10.GSM Receiver RX O n RF input : 37 CH A m p.
SGH-C100 Flow Chart of Troubleshooting 11.GSM Transm itter TX On (Level : 5) B attery V oltage : 3.
SGH-C100 Flow Chart of Troubleshooting 12.DCS Receiver RX O n RF input : 698 CH A m p.
SGH-C100 Flow Chart of Troubleshooting 13.DCS Transm itter TX On (Level : 0) B attery V oltage : 3.
L106 56nH U100 SGH-C100 Flow Chart of Troubleshooting 4-17 SAMSUNG Proprietary-Contents may change without notice T his Docum ent can not be used w ithout Sam sung's authorization
2. SGH-C100 Exploded View and its Parts list 1.
SGH-C100 Exploded view and its Part list 2.Cellular phone Parts list D escription NO 1 1-1 SEC .
SGH-C100 Exploded view and its Part list 3.Test Jig (GH80-01809A) 3-1. RF Test Cable 3-2. Test Cable (GH39-00182A) 3-3. Serial Cable (GH39-00206A) 3-4. Pow er Supply Cable 3-5. DATA CABLE (GH39-00203A) 3-6.
3.
SGH-C100 Electrical Parts List SEC Code Design LOC SEC Code Design LOC SEC Code Design LOC 2203-006105 C416 2203-000233 C522 0601-001654 LED500 2203-000438 C417 2404-001151 C523 2801-004191 OSC200 2203-005061 C418 2203-006208 C524 2801-003856 OSC300 2203-000812 C419 2203-006208 C525 0505-001325 Q400 2203-000812 C420 3705-001287 CN100 0504-001012 Q500 2203-000812 C421 3710-001673 CN402 0504-001012 Q501 2203-000812 C422 3709-001187 CN500 2007-007142 R100 2203-0
SGH-C100 Electrical Parts List SEC Code Design LOC SEC Code Design LOC SEC Code Design LOC 2007-001298 R130 2007-001308 R419 1109-001274 U301 2007-000070 R131 2007-001308 R420 1203-002689 U308 2007-008275 R200 2007-001308 R421 1203-002860 U401 2007-000775 R201 2007-001308 R422 1203-002633 U402 2007-007092 R202 2007-007200 R430 1204-001960 U500 2007-000242 R203 2007-000162 R431 0504-001162 U501 2007-007766 R204 2007-000172 R500 1001-001183 U502 2007-007092 R2
5. SG H -C 100 Block D iagram Sleep Timer Calibration Timers Clock Enables Annunciator Keypad Interface Clock Generation and PLL 19.
6.
ZD403 L400 C403 C516 R512 R518 C434 TDI TDO TMS C236 TP205 TP204 TP222 TP220 C202 R209 GND1 TP302 TRST TCLK R519 C239 Q501 C523 C433 V200 C135 R129 C131 C514 C106 C515 TP230 TP233TP234 L200 C215 R207 C219 R208 C233 ZD412 R114 C234 R402R403 Q400 R126 R120 C125 C124 R116 C123 R115 C112 C432 C416 CN502 C232 C231 U402 U201 U200 C237 R300R517 C115 C220 C128 R128 C132 C238 C226 TP301 R514 R400 R308 C402 V401 V400 CN402 ZD401 ZD400 C401 R405 R200 C121 R106 C100 R
ELECTRONICS ¨ÏSam sung Electronics C o., Ltd. M AY. 2003 Printed in Korea. This Service M anual is a property of Sam sung E lectronics Co.,Ltd. Any unauthorized use of M anual can be punished under appli cable International and/or dom estic law . C ode N o.: G H 68-03770A BAS IC .
ELECTRONICS ¨ÏSamsung Electronics Co.,Ltd. MAY. 2003 Printed in Korea. This Service Manual is a property of Samsung Electronics Co.,Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. Code No.: GH68-03770A BASIC.
