Specifications

SAMSUNG Proprietary-Contents may change without notice

8-6

Trouble Shooting

8-1-6 Abnormal Alert Tone

Abnormal Alert tone.

’Low’ level on U902 pin 17?

CLK waveform applied

to Q902 Base?

CLK waveform applied

to Q901 Base?

Check R934, Q901

Is the buzzer

connection correct?

Connect the buzzer correctly.

Check R922, Q902.

Check U902 pin 17. Replace if required.

Check the buzzer

and replace if required.

YES