Electronics > Repair
LAN tester with burned IC
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Zlobnick:
Hello! I have this LAN tester that got burned out by PoE voltage. This is a newer version than most common ones being driven by a classic CD4017 decade counder IC (16-pins).

Has anyone any idea which IC is being used here (it is unmarked, of course)? It's a 14-pin in SOIC14 package (if I'm not mistaken).

Btw, these testers go for a 3-4 bucks on Aliexpress but would like to fix it anyway, for fun and for good practice! 🙂 Thanks!  :-+




Coordonnée_chromatique:
Do you really plan to desolder SMD components on a bakelite PCB ?
Zlobnick:

--- Quote from: Coordonnée_chromatique on May 25, 2024, 10:11:52 am ---Do you really plan to desolder SMD components on a bakelite PCB ?

--- End quote ---

Yeah, why not? Not with the hot air station of course, this should be a pretty easy job for a soldering iron :)
Manolo Mos:
To remove SMD IC on bakelite pcb... I'd remove it adding tin and then remove with two tin soldering irons.
daisizhou:
It looks like this chip is from China because there is no stamp on it
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