All posts by Jestine Yong

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  Philips BT50 Repaired For No Power

                Received Bluetooth speaker for not working problem. Checked applying power I found charging LED was blinking but no other working symptom. In Bluetooth Speakers 75% problems are with rechargeable Li-Ion...

  • Posted February 9, 2025
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  Restored SONY SA-WMD40 Multimedia Speaker System Making Happy A Holidaying Customer

            This Multimedia Speaker System was brought to me by a new customer, referred to by an unknown person. The complaint was that the power on through the 18V adaptor was visible, but...

  • Posted February 9, 2025
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  Astronaut Travels The Universe Again

            My granddaughter likes to go to sleep with a ‘universe, nebula and stars’ projected onto the ceiling. It is a topic for bedtime chats about the amazing universe and all it holds....

  • Posted February 2, 2025
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  Provided Two Transistor Audio Booster Circuit In HDMI To RCA Converter

          My second son, who came home to provide aid for my wife who is in the recovery stage after a mild attack of stroke, mentioned that in the LED TV recently bought for...

  • Posted February 2, 2025
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  Saving Computer SMPS Part – 12

                Saving computer SMPS (ATX Power supplies) holds the first priority in my interest in electronics, mainly because of the wonderful book published by Jestine Yong on servicing SMPS. Here are...

  • Posted February 2, 2025
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  USB Mobile Charging Cable Works Intermittent

              I found my mobile charging cable works intermittent. Thoroughly when inspected, when I tilt the cable from mobile side it works some time. It could be either Cable wire connector or...

  • Posted February 2, 2025
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  No Picture Problem Solved In Blueberry’s 32” LED TV Model BRN-32

          This TV was brought to me by a regular customer with the complaint that there was no picture, but sound was ok. I opened and cleaned the set and looked for any bulgy...

  • Posted January 25, 2025
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  Desktop Computer Front Headphone Connection Works Intermittently

              Received One Desktop Computer stated problem when connecting headphone to front connector sometime it works sometime not. On receiving computer, I checked on my setup & on connecting the headphone on...

  • Posted January 25, 2025
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