All posts by Jestine Yong

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  Components From UTsource.net

  I have ordered components last week from UTsource.net and it arrived today. The reason I buy from them is because the price are reasonable and they have the parts that I want. I have chosen the FEDEX...

  • Posted August 7, 2013
  • 5
• SMPS voltage outputs are too high

  I have a satellite receiver whose SMPS voltage outputs are too high, the 30V rail gives me 50V, the 23V gives 38V and they blew some components on the main-board. Would you please help me troubleshoot this problem....

  • Posted August 7, 2013
  • 0
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  A foot massager that does not massage repaired.

  A woman showed up to my work shop carrying a foot massager and asked me if I can repair such equipment. Usually I do not repair such machines but I was willing to give it a try...

  • Posted August 6, 2013
  • 1
• Transformer in SMPS Use AC or DC to Work?

  Just want to ask the transformer use for SMPS is use AC or DC? Because what I know is that all transformer use AC to function. It’s confuse me, when I read book, it’s use MOSFET/IC to...

  • Posted August 6, 2013
  • 0
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  “Double Insulated” SMPS!

                  We have seen many reports of people experiencing small electrical shocks while handling peripheral equipment such as WiFi routers, modems, CD players etc… This problem usually comes from unearthed...

  • Posted August 5, 2013
  • 1
• Focus Problem In CRT TV

  I’m having some difficulty in repairing a 21″ sharp tv. It has focus problem so making it show blurred images. I have tried to adjust the focus knot of the flyback transformer but it remains the same....

  • Posted August 3, 2013
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  A Shorted Facial Steamer Repaired

  A lady came to my workshop asking me if I repair facial steamers. It was shorted out facial steamer. My thoughts, if it was shorted out, then there must be a printed circuit on it that needed...

  • Posted August 1, 2013
  • 4
• Video: Flat Ribbon Soldering

  Thanks to Shihab Kably for recommending this video on soldering flat ribbon Likes(1)Dislikes(0)

  • Posted July 31, 2013
  • 1