ChrisFishbowl 0 Posted October 2 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? Thanks. Share this post Link to post Share on other sites
0 JColvin 342 Posted October 4 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. Thanks, JColvin Share this post Link to post Share on other sites
0 ChrisFishbowl 0 Posted October 4 (edited) I appreciate you reaching out @JColvin! Would you be able to give me the part or part number so I can order it from somewhere? The part says, "LEG #PZ" Thanks, Chris Edited October 4 by ChrisFishbowl Share this post Link to post Share on other sites
0 JColvin 342 Posted October 7 Hi @ChrisFishbowl, The part is a linear regulator. Specifically it is ADP123AUJZ-R7 in a 5 lead TSOT package. Thanks, JColvin Share this post Link to post Share on other sites
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?
Thanks.
Share this post
Link to post
Share on other sites