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5-5
Flow Chart of Troubleshooting
5-3 Charging Part
Abnormal charging part
Replace TA
Check the CN104 pin 14,15 9.0 V ?
No
Yes
Yes
Check the U105, pin 14,15 9.0 V ?
Resolder
C111,C217,C105,FB102,FB101
Yes
No
R131(CHG_ON side) = "L" ?
Resolder R131
Yes
No
Resolder components around
U105
Check the U105, pin 10 4.2V ?
END
Yes
No
Summary of Contents for SGH-N300
Page 2: ...Samsung Electronics Co Ltd Printed in Korea 06 2001 Rev 1 0 GH68 02097A ELECTRONICS ...
Page 11: ...Exploded Views and Parts List 1 8 1 10 Desk Top Charger DESK TOP CHARGER GH44 00206A ...
Page 12: ...2 1 PCB Diagrams Schematic Diagrams 2 PCB Diagrams 2 1 Main Top ...
Page 13: ...2 2 PCB Diagrams Schematic Diagrams 2 2 Main Bottom ...
Page 41: ...Flow Chart of Troubleshooting 5 12 J101 SPK101 U110 PWO1P PWO1N SPK SPK 6 2 3 SPK SPK ...