I purchased this chip tester. $24.95 on ebay and initially wasn't that impressed. Sometimes it reports bad IC's as good. That can't be good I thought.... :o
But keeping this in mind it's been a good testing tool. For example. Sometimes a chip in circuit may fall under suspicion but as there's the chance that the chips that input/output to it could actually be the culprit. So it's good when you've just removed a chip because you think it's bad, and the gadget confirms it too.
You just want to be careful you don't get caught out by it reporting good on a bad IC. In this senario it's usually evendent as the faults are glitchy, not completely dead. But anyway if you're like me and sometimes cant let go of things because you think they might be good, this gadget is awesome! It's certainly taken some of the guess work out of repairing PCBs.
Question
taito
I purchased this chip tester. $24.95 on ebay and initially wasn't that impressed. Sometimes it reports bad IC's as good. That can't be good I thought.... :o
But keeping this in mind it's been a good testing tool. For example. Sometimes a chip in circuit may fall under suspicion but as there's the chance that the chips that input/output to it could actually be the culprit. So it's good when you've just removed a chip because you think it's bad, and the gadget confirms it too.
You just want to be careful you don't get caught out by it reporting good on a bad IC. In this senario it's usually evendent as the faults are glitchy, not completely dead. But anyway if you're like me and sometimes cant let go of things because you think they might be good, this gadget is awesome! It's certainly taken some of the guess work out of repairing PCBs.
DEAD.. In the bin!!!!!!!!!!
For those who might want one.
https://www.ebay.com/itm/Multi-Function-IC-LED-Optocoupler-LM399-DIP-CHIP-TESTER-Model-Number-Detector/151765528456?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2648
Thanks to @Kaizen for initially posting this device in a thread.
Oh and as there's no English instructions...
If you hold the tester as pictured above you put the chip as high as it will go with the notch end at the bottom, pointing down.
Oh hang on the seller had put up visual instructions. lol.
[ATTACH=CONFIG]139448[/ATTACH]
Edited by taitoLink to comment
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