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Samsung SGH-T200 Service Manual Download Page 32

SAMSUNG Proprietary-Contents may change without notice

SGH-T200 Flow Chart of Troubleshooting

5-

13

13. DCS Receiver

CN101

pin 1, 3

≥-65dBm

RX On

RF input : 62 CH

Amp. : -50 dBm

END

U100
pin 11

≥-65dBm

U102

pin 13

≥-65dBm

Yes

No

No

U100

pin 13

≥-65dBm

Yes

No

Yes

No

Yes

Check R138, C143, L103

& CN101

Resolder C140 & Check the pin 11 of U100

Check the U100

Check the U102

Summary of Contents for SGH-T200

Page 1: ...SGH T200 SERVICE Manual GSM TELEPHONE CONTENTS 1 Electrical Parts List 2 Exploded Views and Parts List 3 Block Diagrams 4 PCB Diagrams 5 Flow Chart of Troubleshooting GSM TELEPHONE ...

Page 2: ...ERAMIC CHIP 0 033nF 5 50V NP0 TP 1005 2 2203 000233 C122 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1005 2 2203 005482 C123 C CERAMIC CHIP 100nF 10 10V X5R TP 1005 2 2203 000628 C125 C CERAMIC CHIP 0 022nF 5 50V NP0 TP 1005 2 2203 000233 C126 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1005 2 2203 000812 C127 C CERAMIC CHIP 0 033nF 5 50V NP0 TP 1005 2 2203 005571 C128 C CERAMIC CHIP 10000NF 80 20 6 3V Y5V TP 2012 2 ...

Page 3: ...6 3V Y5V TP 2012 2 2203 005061 C224 C CERAMIC CHIP 100nF 80 20 16V Y5V TP 1005 2 2203 005061 C225 C CERAMIC CHIP 100nF 80 20 16V Y5V TP 1005 2 2203 005061 C226 C CERAMIC CHIP 100nF 80 20 16V Y5V TP 1005 2 2203 005061 C227 C CERAMIC CHIP 100nF 80 20 16V Y5V TP 1005 2 2203 005061 C228 C CERAMIC CHIP 100nF 80 20 16V Y5V TP 1005 2 2203 005061 C229 C CERAMIC CHIP 100nF 80 20 16V Y5V TP 1005 2 2203 0050...

Page 4: ...IP 10000NF 10 6 3V X5R TP 2012 2 2203 000438 C509 C CERAMIC CHIP 1nF 10 50V X7R TP 1005 2 2203 000812 C510 C CERAMIC CHIP 0 033nF 5 50V NP0 TP 1005 2 2203 000233 C512 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1005 2 2203 000233 C513 C CERAMIC CHIP 0 1nF 5 50V NP0 TP 1005 2 2203 006113 C514 C CERAMIC CHIP 0 033NF 10 50V X7R 2012 2 2203 006113 C515 C CERAMIC CHIP 0 033NF 10 50V X7R 2012 2 2203 000254 C519 C...

Page 5: ... 2 6PI AUF BLK 2 0404 001189 D101 DIODE SCHOTTKY HMPS 2825 15V 1MA MINIPAK TP 2 0401 001033 D301 DIODE SWITCHING MCL4154 25V 200mA M MELF TP 2 2703 002268 L101 INDUCTOR SMD 8 2NH 10 1 0X0 5X0 5MM 2 2703 002309 L102 INDUCTOR SMD 82NH 5 1 0X0 5X0 5MM 2 2703 002198 L103 INDUCTOR SMD 10NH 5 1 0X0 5X0 5MM 2 2703 002324 L104 INDUCTOR SMD 10NH 5 1 6X0 8X0 8MM 2 2703 002527 L105 INDUCTOR SMD 1 5NH 0 3NH 1...

Page 6: ...R116 R CHIP 5 6Kohm 5 1 16W DA TP 1005 2 2007 001298 R117 R CHIP 51ohm 5 1 16W DA TP 1005 2 2007 000137 R119 R CHIP 2Kohm 5 1 16W DA TP 1005 2 2007 007142 R121 R CHIP 10Kohm 1 1 16W DA TP 1005 2 2007 007142 R122 R CHIP 10Kohm 1 1 16W DA TP 1005 2 2007 000145 R123 R CHIP 6 2Kohm 5 1 16W DA TP 1005 2 2007 007771 R124 R CHIP 0OHM 5 1 16W DA TP 1005 2 2007 007142 R125 R CHIP 10Kohm 1 1 16W DA TP 1005 ...

Page 7: ... R405 R CHIP 3 3Kohm 5 1 16W DA TP 1005 2 2007 007771 R416 R CHIP 0OHM 5 1 16W DA TP 1005 2 2007 007771 R460 R CHIP 0OHM 5 1 16W DA TP 1005 2 2007 000174 R501 R CHIP 47ohm 5 1 16W DA TP 1005 2 2007 000140 R502 R CHIP 1Kohm 5 1 16W DA TP 1005 2 2007 007480 R503 R CHIP 130Kohm 1 1 16W DA TP 1005 2 2007 000140 R518 R CHIP 1Kohm 5 1 16W DA TP 1005 2 2007 000174 R519 R CHIP 47ohm 5 1 16W DA TP 1005 2 2...

Page 8: ...L EFFECT S W A3212ELH SAMSUNG SC 59A 3P 82MIL TP BIC MOS PLASTIC 3 5V 2MA 40TO 85C 34 0K 2 1205 002219 U302 IC DATA COMM GEN CX80501 UBGA 160P 12X12MM PLASTIC 3 6V 35TO 85C TR BASEBAND PROCESSOR 2 1109 001242 U303 IC ETC MEMORY LRS1395 4MX16 4MX16 1MX16BIT CSP 72P 11 X8MM 70NS 3V 10 PLASTIC 20TO 85C 50UA 2 1103 001185 U304 IC EEPROM 24A2561 32Kx8Bit TSSOP 8P 1 8V PL ASTIC 25to 70C 1uA CMOS TR 2 08...

Page 9: ...2 1405 001082 V505 VARISTOR 5 6V 20A 1x0 5x0 6mm TP 2 1405 001082 V506 VARISTOR 5 6V 20A 1x0 5x0 6mm TP 2 1405 001082 V507 VARISTOR 5 6V 20A 1x0 5x0 6mm TP 2 1405 001082 V508 VARISTOR 5 6V 20A 1x0 5x0 6mm TP 2 1405 001093 V509 VARISTOR 14V 20A 1x0 5x0 6mm TP 2 1405 001082 V525 VARISTOR 5 6V 20A 1x0 5x0 6mm TP 2 1405 001082 V526 VARISTOR 5 6V 20A 1x0 5x0 6mm TP 2 1405 001093 V527 VARISTOR 14V 20A 1...

Page 10: ...SAMSUNG Proprietary Contents may change without notice 2 SGH T200 Exploded View and its Parts list 2 1 1 Cellular phone Exploded View 1 2 3 4 5 6 7 8 9 10 11 12 13 14 16 17 18 21 19 20 22 15 ...

Page 11: ... FPCB GH59 00503A 6 FOLDER LOWER GH75 01787A 7 LCD WINDOW GH72 03996A 8 AUTO KEY GH75 01791A 9 FRONT COVER GH75 01786A 10 VOLUME KEY GH75 01792A 11 KEYPAD GH75 01798C 12 MAIN PBA GH92 01387A 13 V KEY ASS Y GH59 00462A 14 METAL DOME SHEET GH59 00370A 15 MIC ASS Y GH59 00536A 16 I F COVER GH73 00741L 17 SHIELD CAN GH75 02716A 18 ANTENNA GH42 00202A 19 SCREW RF DUMMY GH73 01077A 20 SCREW 6001 001155 ...

Page 12: ...SAMSUNG Proprietary Contents may change without notice SGH T200 Exploded view and its Part list 2 3 3 Test Jig GH80 00585A 3 1 Test Jig Cable GH39 00096A 3 2 RF Jig Cable GH39 00140A ...

Page 13: ...SAMSUNG Proprietary Contents may change without notice 2 4 SGH T200 Exploded view and its Part list M ME EM MO O ...

Page 14: ...SAMSUNG Proprietary Contents may change without notice 3 1 3 SGH T200 Block Diagrams 1 Block Diagram ...

Page 15: ...SAMSUNG Proprietary Contents may change without notice SGH T200 Block Diagrams 3 2 2 RF Block Diagram ...

Page 16: ...SAMSUNG Proprietary Contents may change without notice SGH T200 Block Diagrams 3 3 3 Receive Block Diagram ...

Page 17: ...SAMSUNG Proprietary Contents may change without notice SGH T200 Block Diagrams 3 4 4 Transmit Block Diagram ...

Page 18: ...05 C506 C507 C509 C510 C512 C513 C514 C515 C519 C520 C521 C522 C525 C527 C530 C547 C598 C599 C601 C611 C612 C613 C614 C615 C616 C618 C619 C620 C621 CN101 CN401 CN501 CN502 CN601 D101 D301 H1 H2 H3 H4 H5 H6 L101 L102 L103 L104 L105 L201 L601 LED301 OSC201 OSC301 Q201 Q202 Q401 Q505 Q506 Q511 R102 R104 R105 R106 R111 R112 R116 R117 R119 R124 R127 R129 R131 R132 R133 R134 R135 R136 R137 R138 R139 R14...

Page 19: ...C607 C608 C609 C610 CENTER CLEAR CN504 DOWN END KEY3 LED504 LED505 LED506 LED508 LED509 LED510 LED511 LED512 LED513 LED514 LED515 LED516 LED517 LED518 LED519 LED520 LED521 LED522 LED524 LED525 LED526 LEFT MANU MIC601 OK Q503 R101 R107 R113 R114 R115 R121 R122 R123 R125 R126 R128 R130 R301 R518 R519 R522 R523 R524 R550 R551 R552 R553 R603 R604 R605 R606 R607 RIGHT SEND SH TP208 TP301 U101 U301 U504...

Page 20: ...100mA POWER ON does not work Check the Voltage more than 3 3V Download again Charge the Battery Check the pin 26 of U401 PMIC is more than 3 2V Check to the path from CN501 to pin 26 of U401 U401 pin 33 2 8V Check the PMIC U401 Check the pin 10 of U401 is high Check the CX805 U302 Check the initial operation END No Yes Yes Yes Yes Yes Yes No No No No ...

Page 21: ... Failure No No No Check the clock signal s wave at R202 Check the clock generation circuit related to U201 and OSC201 Check the pin 11 of U401 is High Check the PMIC U401 Yes Check the pin 1 of U603 s wave R315 is High Check the IA U201 Check the connections and initialization using Factory Test Program Yes END Yes ...

Page 22: ...Flow Chart of Troubleshooting 5 3 3 Charging Check the pin 37 of U401 is around 5V Abnormal charging part Check the pin 47 of U401 is LOW Check the TA Check the CN501 Check the pin 20 of U401 is HIGH pin 32 34 of U401 4 7V END No Yes Yes Yes Yes No No Check the U401 ...

Page 23: ...t of Troubleshooting 4 Sim Check the pin 1 5 of CN401 voltage is 2 8V Phone can t access SIM card Check the CN401 s Connection to SIM card Check the circuit related to U401 Resolder CN401 Check the circuit around U304 Serial EEPROM and data stored in it END No Yes Yes Yes Yes No ...

Page 24: ...ange without notice SGH T200 Flow Chart of Troubleshooting 5 5 5 Microphone Part check the connection from MIC601 MicroPhone does not work Resolder MIC600 Audio loopback is enabled by board test program END No Yes Yes Replace the Key PCB ...

Page 25: ...CN502 pin 17 18 sine wave Receiver does not work Check the connection from CN502 to LCD Module Check U201 and speaker related circuit Replace the Flexible PCB Is Speaker working Charge the Battery END No Yes Yes Yes Yes No No Check the voltage on the speaker line lands on LCD Module Replace the Speaker Yes No ...

Page 26: ... SGH T200 Flow Chart of Troubleshooting 5 7 7 Speaker Check the Flexible Pcb of Speaker Speaker does not work Check the Pin 6 of U603 1V Resolder the Flexible Pcb Check the U603 END No Yes Yes Yes No The Pin 1 of U603 s Clock 3 9 MHz No Check the U201 Yes ...

Page 27: ... notice 5 8 SGH T200 Flow Chart of Troubleshooting 8 Input Check the CN504 s pin2 is HIGH pin3 is LOW pin3 of Key3 is LOW Check Key operation Check U302 using Factory Test Program Resolder CN504 Key3 Change the Front dome sheet END No Yes Yes No Yes ...

Page 28: ...r does not work Check the U504 pin 1 Charge the Battery Check the U519 END No Yes Yes No Check the CN504 pin 31 is 2 8V Yes Check the U302 Lcd module and Main B d connection is O K Replace the Con to Con Flexible pcb Yes No No Check the U519 pin3 3 3 No Yes Change the U504 Moter s Voltage gap of Lcd module Resolder Auto folder Flexible pcb No Yes ...

Page 29: ...shooting 10 Light Backlight ON mode in the menu Backlight does not work pin 22 of CN502 is High Select backlight ON mode Check U302 using Factory Test Program END No Yes Yes No Check the connection from CN502 to LCD Module Yes Replace flexible PCB LCD backlight on Check the LCD Yes Yes No No ...

Page 30: ...t of Troubleshooting 5 11 11 GSM Receiver CN101 pin 1 3 65dBm RX On RF input 62 CH Amp 50 dBm END U100 pin 11 65dBm U102 pin 11 65dBm Yes No No U100 pin 9 65dBm Yes No Yes No Yes Check R138 C143 L103 CN101 Resolder C140 Check the pin 11 of U100 Check the U100 Check the U102 ...

Page 31: ...hart of Troubleshooting 12 GSM Transmitter CN101 pin 1 3 25dBm Tx On Level 5 Battery voltage 3 8V END U100 pin 11 5 25dBm U102 pin 10 C121 25dBm Yes No No Yes U104 pin 1 7 25dBm No Yes No Yes Check the CN101 Resolder C140 Check the pin 11 of U100 Check the U104 Check the U102 ...

Page 32: ...t of Troubleshooting 5 13 13 DCS Receiver CN101 pin 1 3 65dBm RX On RF input 62 CH Amp 50 dBm END U100 pin 11 65dBm U102 pin 13 65dBm Yes No No U100 pin 13 65dBm Yes No Yes No Yes Check R138 C143 L103 CN101 Resolder C140 Check the pin 11 of U100 Check the U100 Check the U102 ...

Page 33: ...rt of Troubleshooting 14 DCS Transmitter CN101 pin 1 3 25dBm Tx On Level 5 Battery voltage 3 8V END U100 pin 11 1 25dBm U102 pin 12 C132 R140 25dBm Yes No No Yes U104 pin 3 5 25dBm No Yes No Yes Check the CN101 Resolder C140 Check the pin 11 of U100 Check the U104 Check the U102 ...

Page 34: ...ELECTRONICS Samsung Electronics Co Ltd January 2003 Printed in Korea Code No GH68 03493A BASIC ⓒ ...

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