All posts by Jestine Yong

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  RCF Active Speaker System Repaired. Model: ART 300A

  An audio technician guy brought this RCF active speaker system to my shop and told me that he can turn the speaker on but he cannot hear any sound coming out of it. I plugged power in...

  • Posted May 17, 2013
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• Fujicom LCD Monitor Repair/Model W2209B

  A customer brought this LCD computer monitor to my shop and the problem was a dead monitor. The standby power led did not come on either. The repair with the help of some important tools was easily...

  • Posted May 16, 2013
  • 2
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  Troubleshooting Capacitor Motors

  Check out the good article published by Fluke. This article is recommended by Lee Davey one of the ERG members in the ElectronicRepairGuide.com website. Please click on the photo to read the article. Likes(0)Dislikes(0)

  • Posted May 15, 2013
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• Electronics Repair Questions/Answers and Testimonials- Part 47

  Hi Gopal, I have found one DELL laptop where there is no display, but while connect to external monitor, display is ok. I have never worked with LCD/TFT monitor, but theoretically i know almost every details. One...

  • Posted May 12, 2013
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• Equivalent Part Number For PC817 Optoisolator IC

  Optoisolator IC with the part number of PC817 can be easily found in many switch mode power supplies. If the Optoisolator IC have problem it would cause no power, power blinks, low power, power shutdown, intermittent shutdown...

  • Posted May 10, 2013
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• Robust Power Supplies

  Some design of switch mode power supplies are so robust. They used good components and the circuit boards are thick and the circuit track are not easily break even after you have done some soldering/desoldering on the...

  • Posted May 9, 2013
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  Cleaning The Circuit Board First

  One of my procedures before I started to troubleshoot circuit board is to make sure the circuit board is in clean condition. This means I don’t immediately repair the equipment until I’m satisfied  with the circuit board...

  • Posted May 8, 2013
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• Stubborn Customers

  Have you ever came across stubborn customers? A stubborn customers that would not want to: 1) accept the reasons the equipment is beyond repair 2) would not want to pay the amount you are charging them after...

  • Posted May 8, 2013
  • 1