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  • About Start Circuit

    There’s something I’d like to clarify if where the start circuit mostly located in. 1. Power supply section 2.mainboard section or 3. inverter section? Thank you and have a nice day. Answer: Start up circuit is in...

    • Posted August 12, 2013
    • 2
  • Video: Soldering High Brightness LEDs

    Thanks to Beh for recommending this video Likes(0)Dislikes(0)

    • Posted August 12, 2013
    • 0
  • Profit Margin In Repairing LCD Monitor, LED TV and LCD TV

    DOES LCD MONITOR OR LED TV OR LCD TV REPAIR MARGINS IS GOOD or not? I heard there is 200% profit margin. Which repair field is good, to take it seriously for repair for the coming 10 years....

    • Posted August 10, 2013
    • 5
  • A dead emergency light repaired

    These kinds of lights are used in my home town a lot. The electricity goes out very often especially in winter time. Many people buy emergency lights; charge them so they can use them when the power...

    • Posted August 9, 2013
    • 15
    Components From

    I have ordered components last week from 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
  • footmassagerrepairings
    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