User Guide

Table Of Contents

6. Troubleshooting

6-1 Logic Section

6-1-1 No Power

6-1 SAMSUNG Proprietary-Contents may change without notice

Check the signal from the battery

terminal to U 105 pin 1.

Check U105 and its neighboring

circuits.

Check U106 and its neighboring

circuits.

Check U107 and its neighboring

circuits.

Press End button

U105 pin 1=VBAT?

U106 pin 1 input

=3.7V?

U106 pin 5 output

=3.7V?

U107 pin 5 output

=3.7V?

END

Yes