User Guide

Table Of Contents

SAMSUNG Proprietary-Contents may change without notice 6-6

6-1-6 Abnormal Alert Tone

Abnormal alert tone

CLK waveform output

from U101, N7, P7?

CLK waveform output

from U102 pin 17?

CLK waveform applied

to Buzz?

Is the buzzer

connection correct?

Connect the buzzer correctly.

Check Q120, Q121, R128.

Replace if required.

Check U102 pin 17, and its

neighboring circuits.

Replace if required

Check U101 N7, P7.

Replace if required.

Check the buzzer

and replace if required

Yes