5-6
Flow chart of Troubleshooting and Circuit Diagram
5-4 Sim Part
Phone can't access SIM card
Yes
U106 pin 6 = 3 V ?
Resolder R123
END
Yes
No
Yes
Check the circuit 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
Содержание SGH-T100
Страница 2: ...Samsung Electronics Co Ltd Printed in Korea 04 2002 Rev 1 0 GH68 02699A ELECTRONICS ...
Страница 12: ...1 10 Exploded Views and Parts List 1 10 Battery Charger BATTERY CHARGER GH44 00279A ...
Страница 13: ...2 PCB Diagrams 2 1 Main Top PCB Diagrams 2 1 ...
Страница 14: ...2 2 Main Bottom PCB Diagrams 2 2 ...
Страница 40: ...5 14 Flow chart of Troubleshooting and Circuit Diagram U400 CN201 REC PWO1P PW01N 7 17 REC REC ...