SOME UNOFFICAL TEST POINTS AT THE AVO MK4 TUBE TESTER DISCLAIMER. NO GUARANTEE ON THIS DATA. USE IS ON YOUR OWN RISK. (C) www.jacmusic.com The Mk4 tester is a result of 25 years of development. So how good is it, it is hard to say.
Many very interesting data points are on this panel, you can connect a scope or a Voltmeter to it, and look inside your Mk4 without opening it, and no risk to damage anything. Even more ideal, some circuit ground would be on here (This is not chassis ground) . It is not now, but I will add this later. IF YOU HAVE SOME MORE KNOWLEDGE ABOUT HOW TO USE THESE TESTPOINTS,
DISCLAIMER. NO GUARANTEE ON THIS DATA. USE IS ON YOUR OWN RISK.
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