GSM TELEPHONE SGH-X100 SERVICE GSM TELEPHONE Manual CONTENTS 1. Specification 2. Circuit Description 3. Exploded Views and Parts List 4. Electrical Parts List 5. Block Diagrams 6. PCB Diagrams 7.
ELECTRONICS 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. ⓒ Samsung Electronics Co.,Ltd. June. 2003 Printed in Korea. Code No.: GH68-04326A BASIC.
1. SGH-X100 Specification 1. GSM General Specification G SM 9 0 0 Ph a s e 1 EG SM 9 0 0 P h as e 2 DC S1 8 0 0 Ph a s e 1 F r e q . Ba n d [ MH z] Up l i n k /D o wn l in k 8 9 0 ~9 1 5 9 3 5 ~9 6 0 8 8 0 ~9 1 5 9 2 5 ~9 6 0 1710~1785 1805~1880 AR FC N r an g e 1 ~1 2 4 0 ~ 1 2 4 & 9 7 5 ~1 0 2 3 512~885 Tx / Rx s p a ci n g 4 5 MH z 4 5 M Hz 9 5 MH z Mo d . Bi t r at e/ B it P er i o d 2 7 0 .8 3 3 k b p s 3 .6 9 2 u s 2 7 0 .8 3 3 k b p s 3 .6 9 2 u s 2 7 0 .8 3 3 k b p s 3 .
SGH-V200 Specification 2.
2. SGH-X100 Circuit Description 1. SGH-X100 RF Circuit Description 1) RX PART 1. ASM(U100) → Switching Tx, Rx path for GSM900, DCS1800 by logic controlling. 2. ASM Control Logic (U104, U106) → Truth Table VC1 VC2 GSM Tx Mode H L DCS Tx Mode L H GSM Rx Mode L L DCS Rx Mode L L 3. FILTER To convert Electromagnetic Field Wave to Acoustic Wave and then pass the specific frequency band.
SGH-X100 Circuit Description 2. Baseband Circuit description of SGH-X100 1) PCF50601 1.1 Power Management Ten low-dropout regulators designed specifically for GSM applications power the terminal and help ensure optimal system performance and long battery life. A programmable boost converter provides support for 1.8V, 3.0V, and 5.0V SIMs, while self-resetting, electronically fused switch supplies power to external accessories.
2. SGH-X100 Circuit Description 2-3. EMI ESD Filter This system uses the EMI ESD filter, EMIF09 to protect noise from IF CONNECTOR part. 2-4. IF connetor It is 18-pin connector. They are designed to use VBAT, V_EXT_CHARGE, TXD0, RXD0, RTS0, CTS0, JIG_REC, CHARGER_OK, RXD1, TXD1, AUX_MIC, AUX_SPK and GND. They connected to power supply IC, microprocessor and signal processor IC. 3) Battery Charge Management a complete constant-current/constant-voltage linear charger for single cell lithium-ion batteries.
SGH-X100 Circuit Description 5) Memory Signals in the OM6357 enable two memories. They use only one volt supply voltage, VDD3 in the PCF50601. This system uses Samsung's memory, KBB06A300M-T402. It is consisted of 128M bits flash NOR memory and 128M bits flash NAND memory and 32M bits UtRAM. It has 16 bit data line, HD[0~15] which is connected to OM6357. It has 23 it address lines, HA[1~23]. CS_NAND and NCSRAM signals is chip select.
3. SGH-X100 Exploded View and its Parts list 1.
SGH- X100 Exploded view and its Part list 2.
SGH-X100 Exploded view and its Part list 3. Test Jig (GH80-01909A) 3-1. RF Test Cable 3-2. Test Cable (GH39-00140A) 3-3. Serial Cable (GH39-00217A) 3-4. Power Supply Cable 3-5. DATA CABLE (GH39-00219A) 3-6.
4.
SGH-X100 Electrical Parts List SEC CODE Design LOC SEC CODE Design LOC 2007-000141 R225 2007-000162 R350 2007-000141 R226 2007-000162 R360 2007-000143 R135 2007-000162 R361 2007-000143 R136 2007-000162 R436 2007-000143 R137 2007-000171 R100 2007-000143 R138 2007-000171 R107 2007-000143 R362 2007-000171 R109 2007-000144 R115 2007-000171 R139 2007-000147 R116 2007-000171 R213 2007-000148 R126 2007-000171 R214 2007-000148 R202 2007-000171 R228 2007-000148 R204
SGH-X100 Electrical Parts List SEC CODE Design LOC SEC CODE Design LOC 2007-001305 R230 2007-007573 R428 2007-001305 R231 2007-007588 R429 2007-001308 R110 2007-007981 R224 2007-001308 R111 2007-008312 R221 2007-001308 R113 2007-008354 R427 2007-001308 R114 2203-000233 C119 2007-001313 U735 2203-000233 C120 2007-001325 U734 2203-000233 C144 2007-001339 R430 2203-000254 C145 2007-001339 R431 2203-000254 C209 2007-003025 R328 2203-000254 C301 2007-007001 R218
SGH-X100 Electrical Parts List SEC CODE Design LOC SEC CODE Design LOC 2203-000438 C304 2203-002443 C135 2203-000438 C310 2203-003054 C220 2203-000440 C127 2203-003054 C231 2203-000550 C147 2203-005054 C201 2203-000585 C137 2203-005054 C217 2203-000609 C148 2203-005056 C222 2203-000679 C224 2203-005057 C112 2203-000679 C233 2203-005057 C115 2203-000679 C307 2203-005057 C122 2203-000679 C308 2203-005057 C134 2203-000679 C450 2203-005057 C150 2203-000679 U736
SGH-X100 Electrical Parts List SEC CODE Design LOC SEC CODE Design LOC 2203-005061 C247 2203-005503 C152 2203-005061 C248 2203-005503 C153 2203-005061 C249 2203-005503 C154 2203-005061 C250 2203-005840 C350 2203-005061 C251 2203-006053 C126 2203-005061 C305 2203-006053 C412 2203-005061 C311 2203-006053 C424 2203-005061 C316 2203-006053 C426 2203-005061 C400 2203-006053 C427 2203-005061 C402 2203-006053 C428 2203-005061 C403 2203-006053 C429 2203-005065 C416
SGH-X100 Electrical Parts List SEC CODE Design LOC SEC CODE Design LOC 2503-001053 CA402 3710-001853 BAT301 2503-001053 CA403 3711-004988 SPK201 2503-001053 CA404 3722-001715 EAR201 2703-000172 L300 4302-001130 BAT401 2703-001709 L114 2703-001751 L110 2703-001751 L115 2703-001751 L121 2703-001791 L106 2703-002198 L117 2703-002201 L109 2703-002201 L111 2703-002203 L108 2703-002208 L105 2703-002208 L107 2703-002268 L116 2703-002519 L119 2801-004025 X400 2806-00
5. SGH-X100 Block Diagrams 1. RF Solution Block Diagram HITACHI METAL ANT S/W SHS-M090TC Imax = 10 mA Freq (MHz) Loss 880 - 915 1.1 dB 925 - 960 0.8 dB 1710 -1785 1.3 dB 1805 -1880 1.15 dB Pins IA,IB,QA and QB VIQ : 1.25Vtyp. , 1.15Vmin, 1.35Vmax Vmod : 0.5Vpp EPCOS EGSM RX SAW Filter B7820 (2.0X1.4) IL=1.9dB typ 2.7dB max Ripple=0.8dB typ 1.4dB max Atten 2xfo : 39dB,30dB(GSM,DCS) 3xfo : 35dB,20dB(GSM,DCS) + I OUT - I OUT QUAD Vc_EGSM EGSM_MODE_SW 100 kHz+fmod SAWTEK DCS RX SAW Filter 856079 (2.
SGH-X100 Block Diagrams 2.
6. SGH-X100 PCB Diagrams 1.
SGH-X100 PCB Diagrams 2.
7. SGH-X100 Flow Chart of Troubleshooting 1. Power On ' Power On ' does not work Check the Battery Voltage is more than 3.4V? No Change the Battery Yes No C411(V_ISUP) = 2.7V Check the PMU related to V_ISUP Yes Check the Clock at C410=32KHZ No Resolder X400 Yes No C429 (VDD1) = "H" Replace the PBA Yes C428(VDD2), C427(VDD3) = 2.
SGH-X100 Flow Chart of Troubleshooting Power On VBAT C414 2.2UF MIC_BIAS C405 4.7UF VCC_SYN VCC_RX_TX C406 10UF C404 10PF C411 470NF V_ISUP C408 C407 10NF 4.
SGH-X100 Flow Chart of Troubleshooting 2.
SGH-X100 Flow Chart of Troubleshooting Initial HWR_N HRD_N D_REF_13M 32K R203 100K HD(0) HD(1) HD(2) HD(3) HD(4) HD(5) HD(6) HD(7) HD(8) HD(9) HD(10) HD(11) HD(12) HD(13) HD(14) HD(15) U200 OM6357 P11 CKI P13 CKI32I P14 CKI32O C10 RESETN M10 H10 RSTO_N RST_N AUXON K14 CGU OOL EMI GPIO VDD1 VDD1 PCF50874 SC VDD2 VDD3 PDCU RFCU DSP SIOY SIOX IIC SIMU PWM JTAG AVDD C218 NC VDD1 D A D A D A D A A D D D A A A D A D AVDD PCF50732 GPON2 N9 GPON1 L10 AUXST G10 D5 RFSIG0 A6 RFSIG1
SGH-X100 Flow Chart of Troubleshooting 3. Charging Part Abnormal charging part No Check the U309 pin 4 > 4.9 V ? Check the circuit related to V_EXT_CHARGE Yes No U309 pin 5 = "H" Resolder or replace U309 Yes No Q301 pin 1 (CHG_ON) = "L" Check the circuit related to CHG_ON signal Yes No Check the U309 pin 3 = 4.
SGH-X100 Flow Chart of Troubleshooting Charging 7-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-X100 Flow Chart of Troubleshooting 4.
SGH-X100 Flow Chart of Troubleshooting 5.
SGH-X100 Flow Chart of Troubleshooting SIM SIM_VCC SIM_CL K SIM_RST SIM_IO NC C2 D2 C1 D1 CN400 PC-D6-A6-H2.9-S 11 66 2 2 5 5 33 44 G G G G 10 9 8 7 C402 100NF C452 VCC CLK RST IO C401 4.7UF C450 NC SIM CHARG E PUMP V400 NC C451 SIMVBA T SIMGND SIMSCP SIMSCN B2A2 B1A1 SIMIO SIMCLK V403 TP401 TP402 V402 CPRES D3 SIMIO C7 SIMCLK C6 V401 SIM INTERFACE C409 X400 Microphone V214 MIC_BIAS C200 33PF C201 10PF C203 39PF R200 1.
SGH-X100 Flow Chart of Troubleshooting 6. Speaker Part(Melody) Speaker does not work No U300 pin 5 = 2.85V Resolder or replace U300 Yes No Check the Clock signal at Pin 1 of U301 (13MHz) is OK? Check the clock generation circuit (related to OSC101 and U300) Yes No U301 pin 17, 18≒ 1.
SGH-X100 Flow Chart of Troubleshooting Speaker MELODY_CL K VDD3 NC VCC 5 4 VDD2 R304 330 LED_SYNC C350 1uF VDD3 C309 100NF C306 100NF U301 YMU762 MA-3 D2 D3 D4 D5 D6 D7 MTR SPOUT2 SPOUT1 SPVSS C314 150PF C303 3PF C312 4.7UF 6.
SGH-X100 Flow Chart of Troubleshooting 7.
SGH-X100 Flow Chart of Troubleshooting 8. Receiver Part Receiver does not work Yes No Resolder EAR201 EAR201 pin 2,3 = short Yes No Replace the PBA EAR201 pin 2,3,6 = 1.
SGH-X100 Flow Chart of Troubleshooting 9. Back Light (for Color Main LCD) Backlight does not work Yes No LCD Contrast high level in the Menu? Select LCD Contrast high level Yes No Resolder U307 U307 pin 5 > 3.35 Yes No Replace the PBA U307 pin 4 = "H" Yes No Check U307 and L300 U307 pin 1 ≒ 10V Yes No Backlight does work? Check D600, ZD600 and resolder LCD Module.
SGH-X100 Flow Chart of Troubleshooting 10.
SGH-X100 Flow Chart of Troubleshooting 11. GSM Receiver RX ON RF input : CH center freq : +67.7kHz Amp : -50dBm Yes No U100 Pin5 >= -65dBm Resolder CN100, C108 Yes No U100 pin7 >= -65dBm Check U100 pin8 = L, pin4 = L No Check ANT Switch control circuit Yes Yes Resoder U100 No F101 pin1 >= -70dBm Resolder F101, C110, L108 Yes U103 pin32 >= -70dBm pin33 >= -70dBm No Resolder L105, L106, L107 Yes U103 pin6, 7, 8, 9 >= 1V No Check U103 pin4, 10, 22 >=2.
SGH-X100 Flow Chart of Troubleshooting 12. GSM Transmitter TX ON (5Level) Yes Yes U100 Pin5 >= 20dBm Resolder CN100, C108 No Yes U100 pin1 >= 20dBm Check U100 pin8 = H (2.
SGH-X100 Flow Chart of Troubleshooting 13. DCS Receiver RX ON RF input : CH center freq : +67.7kHz Amp : -50dBm Yes No U100 Pin5 >= -65dBm Resolder CN100, C108 Yes No U100 pin7 >= -65dBm Check U100 pin8 = L, pin4 = L No Check ANT Switch control circuit Yes Yes Resoder U100 No F102 pin1 >= -70dBm Resolder F102, C114, L116 Yes U103 pin38 >= -70dBm pin39 >= -70dBm No Resolder L110, L114, L115 Yes U103 pin6, 7, 8, 9 >= 1V No Check U103 pin4, 10, 22 >=2.
SGH-X100 Flow Chart of Troubleshooting 14. DCS Transmitter TX ON (5Level) Yes Yes U100 Pin5 >= 13dBm Resolder CN100, C108 No Yes U100 pin1 >= 13dBm Check U100 pin8 = L, pin4 = H (2.
SGH-X100 Flow Chart of Troubleshooting L109 L111 L112 U100 SHS-M090T GG 2 61 VC3 VC2 8 VC1 4 10 3 4 Y R106 0 VCC_RX_TX 5 B VCC A GND 5 G C108 39PF 13 G G 14 VDD2 ANT_SW3 TXVCO_SW3 C118 33PF ANT 1 GSM-TX 3 DCS/PCS-TX 9 PCS-RX 7 GSM-RX 11 DCS-RX 2 R133 0 L120 NFM18PC104R1C3D 13 L121 3.9nH L117 10nH R107 NC C130 47NF 13 L104 NC L108 15nH L116 8.
