5-8
Flow chart of trouble shooting
5-8 Alert tone
Abnormal Alert tone
ALERT by Test S/W
Is there alert wave form on the
R305 during alert tone test?
Is there alert wave form on the
Q300 pin 3 during alert tone test?
U303 pin 5 3.3V?
Check the circuit related to Q300
END
Check the circuit related to U303
Yes
No
Yes
Yes
No
No
Buzzer is ok?
Change the Buzzer
Yes
No
Summary of Contents for SGH-N100
Page 11: ...Exploded Views and Parts List 1 9 1 11 Desk Top Charger DESK TOP CHARGER GH44 00163A ...
Page 12: ...PCB Diagrams 2 PCB Diagrams 2 1 Main Top ...
Page 13: ...2 1 ...
Page 14: ...PCB Diagrams 2 1 Main Bottom ...
Page 15: ...2 2 ...