Table of Contents
Advertisement
5-8 Alert tone
Abnormal Alert tone
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
Flow chart of trouble shooting
Yes
Yes
3.3V?
Yes
Buzzer is ok?
Yes
END
No
ALERT by Test S/W
No
Check the circuit related to Q300
No
Check the circuit related to U303
No
Change the Buzzer
5-8
Advertisement
Table of Contents
