This video is about a HP Pavillion laptop which has been in another repair shop and as always some repairing and changings are applied to the motherboard. This laptop has audio cart problems. And even though it is detected in control panel, when I play music we can’t hear anything which means there is audio problems.
In this video you’ll learn how to check signals of audio cart with oscilloscope and motherboard schematic.
Good Luck :)
Video Time: 17:37 min
Video Size: 160 mb