GSM TELEPHONE SGH-E310 SERVICE GSM TELEPHONE Manual CONTENTS 1. Specification 2. Flow Chart of Troubleshooting 3. Exploded Views and Parts List 4. Electrical Parts List 5. Block Diagrams 6.
1. SGH-E310 Specification 1. GSM General Specification GSM900 Phas e 1 EGSM 900 Phas e 2 DCS1800 Phas e 1 PCS1900 Fr eq. Band[MHz] Uplink/ Downli nk 890~915 935~960 880~915 925~960 1710~1785 1805~1880 1850~1910 1930~1990 ARFCN r ange 1~124 0~124 & 975~1023 512~885 512~810 Tx/ Rx s paci ng 45MHz 45MHz 95MHz 80MHz Mod. Bit rate/ Bit Period 270.833kbps 3.692us 270.833kbps 3.692us 270.833kbps 3.692us 270.833kbps 3.692us Ti me Slot Peri od/Fr ame Per iod 576.9us 4.615ms 576.9us 4.
SGH-E310 Specification 2.
2. SGH-E310 Flow Chart of Troubleshooting 1.Baseband 1. Power ON 'Power On' does not work Yes Check the current consumption more than 100mA No Download again Yes Check the Voltage more than 3.3V No Charge the Battery Yes Check the pin 11 of U102 is more than 2.8V No Check U102 and C117 Yes No No U102 pin 39 = 2.8V U102 pin 9 = 1.
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams 2. Initial Initial Failure Yes Check the signal at the pin 19 of U102 is "High" when the phone is boot on No Check U102 Yes No Check the pin 22 of U102 is "High" Check the U701 Yes No Check the pin 4 of OSC801 is around 2.8V Check the soldered status of OSC801,R801,U102 Yes Check LCD connector CN201, and resolder bridge Yes END 3. Sim Part Phone can't access SIM card Yes No Check the pin 1 of CN101.
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams 4. Charging Part Abnormal charging part Yes Check the pin 17, 18 of CN300 is TA_VEXT>4? No Replace TA,Check CN300 Yes No Check the pin 2 of Q102 is "low"? Check the Q102 Yes No Check the pin 3 of Q100 is "low"? Check the Q100 Yes Check the pin 5 of No Check the Q102 Q102 is "3.2~4.
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams (Picture 1) 2-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams (Picture 2) 2-5 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams (Picture 3) 2-6 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams 5. Microphone Part Microphone does not work Yes check the soldered status of microphone. No Resolder microphone Yes Check the reference voltage on mic path C431 ≒ 2.0 V No Resolder or change R424,C431,R413,C410,R408,R411 Yes No Check U701 Is microphone ok? Yes END 6.
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams 2-8 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams 7. Camera Part "Camera" function dose not work Yes No Check the connect CN201 Connect the camera module Yes No U1002 PIN 9,10 = 2.
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams 2-10 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams 2.RF 1. EGSM RX CONTINUOUS RX ON RF INPUT : 62CH NO NORMAL CONDITION catch the channel? CHECK AMP : -50dBm ANT701,L905 contact ? YES NO F900 CHECK pin8 ≥ -65dBm ? C900, F901 resolder or change YES NO F900 CHECK F900 resolder or change pin2,3 ≥ -65dBm ? YES NO U800 CHECK pin20,21 ≥ -65dBm ? C912,C913,L901 resolder or change YES NO U800 pin 9,32: 2.
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams 2. DCS RX CONTINUOUS RX ON RF INPUT : 698CH NO NORMAL CONDITION AMP : -50dBm CHECK ANT701,L905 contact ? catch the channel? YES NO F900 CHECK pin8 ≥ -65dBm ? C900, F901 resolder or change YES NO F900 CHECK F900 resolder or change pin4,5 ≥ -65dBm ? YES NO U800 CHECK pin18, 19 ≥ -65dBm ? C914,C915,L902 resolder or change YES U800 NO pin 9, 32: 2.
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams 3. EGSM TX NO F900 pin 13 : NO F900 pin1 : 2.8 V? about 2~3 dBm? U702,U703 CONTINUS TX ON CONDITION check & change TX POWER DAC: 600 CODE APPLIED CH : 62 YES YES RBW : 100KHz VBW : 100KHz U900 pin12 : F901, C900,L905 NO check&change SPAN : 10MHz about 4~5dBm? REF LEV. : 10dBm YES ATT. : 20dB F900 check & change NO U900 BATTERY, U102 check & change pin8,20 : 3.7 V? YES NO U900 U701 pin 22 : 1.
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams 5. DCS TX F900 pin 13 : NO NO F900 about 2~3 dBm? pin6 : 2.8 V? CONTINUOUS TX ON CONDITION U702,U703 CH : 698CH(DCS) check & change TX POWER CODE: 520 CODE Aplied YES RBW : 100KHz YES VBW : 100KHz U900 pin11 : F901, C900,L905 NO check&change SPAN : 10MHz about 4~5dBm? REF LEV. : 10dBm YES ATT. : 20dB F900 check & change U900 NO BATTERY, U102 pin8,20 : 3.7 V? check & change YES NO U900 U701 pin 22 : 1.
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams (Picture 1) 2-15 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams (Picture 2) 2-16 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
SGH-E310 Flow Chart of Troubleshooting and Circuit Diagrams (Picture 3) 2-17 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
3. SGH-E310 Exploded View and its Parts list 1.
SGH-E310 Exploded view and its Part list 2. Cellular phone Parts list Location Description NO.
SGH- E310 Exploded view and its Part list 3. Test Jig (GH80-00865A) 3-1. RF Test Cable 3-2. Test Cable (GH39-00090A) 3-3. Serial Cable (GH39-00127A) 3-4. Power Supply Cable 3-5. DATA CABLE (GH39-00159A) 3-6.
4.
SGH-E310 Electrical Parts List SEC Code Design LOC SEC Code Design LOC SEC Code Design LOC 2203-005509 C503 2203-000995 C808 0601-001790 LED201 2203-005509 C504 2203-000812 C809 0601-001790 LED202 2203-005509 C505 2203-001405 C810 0601-001790 LED203 2203-005509 C506 2203-000233 C811 0601-001790 LED204 2203-005061 C507 2203-000233 C812 0601-001790 LED205 2203-005496 C601 2203-000233 C813 0601-001790 LED207 2203-005496 C602 2203-000995 C900 0601-001790 LED208 2
SGH-E310 Electrical Parts List SEC Code Design LOC SEC Code Design LOC SEC Code Design LOC 2007-000171 R1020 2007-000159 R411 2007-007008 R908 2007-000162 R1021 2007-000141 R413 GH13-00020A U1001 2007-007139 R103 2007-000141 R415 1203-002861 U1002 2007-001323 R104 2007-000148 R416 2203-005682 U1005 2007-000171 R105 2007-000159 R418 2007-000162 U1006 2007-000758 R106 2007-000154 R419 0601-001790 U1008 2007-000171 R107 2007-000140 R420 0601-001790 U1009 2007-00
SGH-E310 Electrical Parts List SEC Code Design LOC GH30-00062A GH59-01016A GH59-01097A GH59-01458A GH68-02026A GH73-03030A GH73-03033A GH74-07565A GH74-07566A GH74-07567A GH74-08170A 4-4 SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization
5. SGH-E310 Block Diagrams 1.
SGH-E310 Block Diagrams 2. Base Band Solution Block Diagram POWER X-TAL (DC/DC,CHARGER, 13MHz SIM) GPRS TRIDENT ACC IO RWN AB[8:0] DB[15:0] INT1 IRQx PAx RSTB DSP16000 RS232 PPI (Programmable Peripheral I/O) ARM7TDMI GPIO X-TAL 32.
6.
SGH-E310 PCB Diagrams 2.
ELECTRONICS ⓒ Samsung Electronics Co.,Ltd. JUNE. .2004 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.: GH68-05560A BASIC.
