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5-13
Flow chart of trouble shooting
5-8 Alert tone
Abnormal Alert tone
ALERT by Test S/W
Is there alert wave form on the
R539 during alert tone test?
Is there alert wave form on the
Q500 pin 3 during alert tone test?
U100 pin 3 3.3V?
Check the circuit related to Q500
END
Check the circuit related to U100
Yes
No
Yes
Yes
No
No
Buzzer is ok?
Change the Buzzer
Yes
No
Summary of Contents for SGH-N288
Page 2: ...Samsung Electronics Co Ltd Printed in Korea 05 2001 Rev 5 1 GH68 02032A ELECTRONICS ...
Page 12: ...Exploded Views and Parts List 1 9 1 10 Desk Top Charger DESK TOP CHARGER GH44 00186B ...
Page 13: ...PCB Diagrams 2 1 2 PCB Diagrams 2 1 Main Top ...