How To Solve HP-630 Sound Problem Using Oscilloscope

This is a video about repairing HP-630 laptop which has sound problems, laptop works normally but has weird and noisy sound, and I should say that the components related to audio are changed in another repair shop but the sound problem is not solved yet and still remains on motherboard.
In this video we’re going to tell you which blocks and components can produce this problem and show you the block’s schematic and also check the signals which are related to sound with an oscilloscope.

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Video Size: 177 MB
Video Time: 13:13 min

 
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