All posts by Jestine Yong

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  Burnt Mark Found In Essen SMPS Model EPS-240-24 of An Autoclave Machine

  This SMPS was brought to me in dead condition. On opening and checking the unit, I saw burnt mark near the primary switching SMPS transformer and also found one transistor C3320 short and one Zener diode 33V...

  • Posted March 21, 2026
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  Beware Of Using Auto Detect Auto Range Multimeter – Case Of AHUJA Portable PA SYSTEM NBA-30WL

  This Ahuja Portable PA System had come to me in May, 2025 for a complaint of ‘dead’, about which I have already submitted a report which is in queue. The re-visit was in August, 2025 with the...

  • Posted March 21, 2026
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  Panel Replaced In Track Bypassed Nakamichi LED TV Model LEVX32

  This TV was inspected by me personally at the customer’s place as it was being used as a CCTV Monitor and he was not sure whether the problem was in the TV or the DVR. As I...

  • Posted March 14, 2026
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  Spring Sleeping Instrument Repaired

  My grandson, who is 6 years old has suffered for many years from insomnia. He has many issues that he is dealing with, including Autism. This Spring Sleeping Instrument is a little hard to describe. So, here...

  • Posted March 14, 2026
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  Crystal And Tuning VR Found Defective In Philips Radio Model RL205/94 

  This radio was given to me by the customer to whom I delivered a TV after repair. The complaint was that the radio made hissing noises, but no stations were picked up in any of the three...

  • Posted March 14, 2026
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  Importance Of Compatible LVDS Cable – Case Of Samsung LED TV Model UA32FH4003R

  This TV was brought to me by a new customer, diverted by the auto driver who was hired by the customer to take her to a service workshop situated in a faraway place. Since the customer was...

  • Posted March 8, 2026
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  AC Drop Capacitor Found Burst In DP Emergency Light Model LED-716 

            I request you all to read the article on repair of a similar light published in July, 2018: https://jestineyong.com/how-to-service-dp-30-led-emergency-lamp/ The model number was 30, which is now 716 showing the number of...

  • Posted March 8, 2026
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  Revisit Of SONY KDL-43W800D For A Different Reason

  This set had visited me in January, 2025 with a white display problem that got solved and perhaps those of you who have missed my earlier report can perhaps see the article using the following link: https://jestineyong.com/intermittent-white-display-problem-solved-in-sony-led-tv-model-kdl-43w800d/...

  • Posted February 28, 2026
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