DIAGRAMA DE SAMSUNG J7
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Level 3 Repair<br />
8-4-2. Initial<br />
Initial Failure<br />
Yes<br />
Re-download Software<br />
Abnormal<br />
Check the WARM_RESET_INn<br />
(C3057) = 1.8V<br />
No<br />
Check the U4002<br />
Yes<br />
Check the oscillator clock waveforms.<br />
: OSC4000<br />
Abnormal<br />
Check the OSC4000<br />
Check the output clock waveforms and frequency.<br />
※ Test condition (Oscilloscope setting)<br />
:20.0us.div (time division)<br />
Normal<br />
Change UCP300-2<br />
Abnormal<br />
Change PBA<br />
END<br />
8-8<br />
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