Flow chart of Troubleshooting and Circuit Diagram
5-15
5-9 Ring Indicator
Ring Indicator LED
does not work
Check the circuit related to U102
U102 pin 2, 3 > 3.4 V ?
Is Green color LED of 3LEDs
correctly work ?
Check Q803, R810, LED802
END
Check Q804, R813, LED802
Yes
No
Yes
Yes
No
No
No
Check Q801, R809, LED801
Yes
Is Red color LED of 3LEDs
correctly work ?
Is Blue color LED of 3LEDs
correctly work ?
Summary of Contents for SGH-T100
Page 2: ...Samsung Electronics Co Ltd Printed in Korea 04 2002 Rev 1 0 GH68 02699A ELECTRONICS ...
Page 12: ...1 10 Exploded Views and Parts List 1 10 Battery Charger BATTERY CHARGER GH44 00279A ...
Page 13: ...2 PCB Diagrams 2 1 Main Top PCB Diagrams 2 1 ...