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JTAG-HS3 gets Extremely hot. No longer works


Yesterday my JTAG-HS3 started to get extremely hot in about 5 seconds after connecting it to USB. It has worked fine for months. After cutting off the shrink wrap it looks like the part LEG #PZ is getting hot. 

Any ideas as to why?



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Hi @ChrisFishbowl,

I apologize for the delay. Unfortunately, it sounds like that particular IC got burned out. As you noticed, all of these components are surface mount and tightly packed together, so a repair would be difficult to perform (in addition to not knowing if other components are damaged besides the one getting hot), but let me know if you want to pursue that route.


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