testing equipment | Electronics Repair And Technology News

Fixing A Defect But Brand New UNI-T Tweezer Tester

Jestine Yong — Fri, 26 May 2023 22:31:02 +0000

On 12 March 2023 a brand new Uni-T UT116A SMD tweezer tester was ordered from the Uni-T meter store and received about 8 days later in that month. Although everything worked it had a bad sliding function selection switch from the start that needed a lot of sliding force to move it into position. And […]

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Leaked Capacitors Caused Dim Display And ‘Low Battery’ Indication In PEAK ATLAS DCA55

Jestine Yong — Mon, 10 May 2021 02:27:07 +0000

This is my handy tool and when it showed ‘low battery’, I opened it for replacement and found that the battery had leaked and corroded the contacts. This was a few months back. I had cleaned the board thoroughly and connected it to a 12V adapter to avoid repetition of […]

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Another Adapter Repaired 4.2V 0.5A And Tested Using Supertip

Jestine Yong — Fri, 22 Jan 2021 06:42:06 +0000

This small adapter repair was put aside for quite some time after I already had repaired all obvious defects and had also fixed a burned through copper track. And because the 4.2V 0.5A adapter board still refused to start working after all the destroyed parts were replaced I once and a while picked it up […]

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Servicing Philips TV Tester 808/TVT

Jestine Yong — Fri, 30 Dec 2016 13:44:41 +0000

It must be somewhere around the mid of 1980s that I got a chance to include TVs in the range of electronic devices that I repaired. It was during that time, TV was introduced for the first time in Bangalore. Only B/W TVs were in the […]

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Accuracy, Precision and Resolution

Jestine Yong — Fri, 13 Nov 2015 03:53:52 +0000

While reviewing and polishing my notes for another training course in Electrical/Electronic Measurements I thought I could share this important chapter. Because the terms Accuracy, Precision and Resolution are too often confused I spent more time on this chapter than on any of the others, trying to make […]

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