Try this also - Play some music through internal speakers. Mac headphone jack is also software controlled, it is not a simple analog output controlled by a mechanical switch alone! How do we know this? Look at System Preferences - you can have something plugged into the headphone jack and still direct audio output elsewhere, such as a USB DAC. Why is it definitely not a hardware (bad socket or headphone) problem?ģ. ![]() If you do mess with it, and you create a hardware problem by incorrectly applying meter probes or by some other method, then you will have a hardware problem and you won't have a warranty any more either. Secondly, you have a warranty and you should be taking your machine to an Apple authorized service centre if you still don't believe me, not tinkering with it yourself. ![]() Firstly, it's pointless - this is nothing to do with hardware. ![]() Hey night4cat: if you don't know how to measure impedance I strongly recommend you don't do it.
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