All posts by Jestine Yong

• About Resistor In Circuit Board

  Have you come across why some resistors (usually 1/2 watt and below) were soldered directly on the board while to some resistors (usually 1 watt and above) the manufacturers purposely let the leg extended far from the...

  • Posted July 28, 2009
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• Coat Hanger HDTV Antenna!

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  • Posted July 27, 2009
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• Electronic Repair Questions/Answers & Testimonials- Part 36

  Thank`s for the tips,i`ll already check my lcd power board and found 2 diod (3 pins)was damaged and 1 6pins power regulator was damaged. The first thing i do is replace the 2 diod and connect the...

  • Posted July 26, 2009
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• Testing SMPS Transformer Without Load

  I believe many of you (electronic repairer) have tested the output voltage of a linear transformer before. Just set your meter to measure AC voltage and place the probes across the output of the linear transformer. If...

  • Posted July 25, 2009
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• Visitors From Singapore

  This afternoon there were two visitors from Singapore came to visit my company and inquire about the repair course and my coming book. Both of them are EGR members and in the Electronics telecommunication line. We chatted...

  • Posted July 24, 2009
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• DLP Lamp Replacement

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  • Posted July 23, 2009
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• PWM IC Tester

  One of my EGR members from Iran had completed the project of building the UC3842 PWM IC tester. I like the sticker that have all the PWM IC part number (refer to the photo). It is good...

  • Posted July 22, 2009
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• ECG Semiconductor Replacement Guide

  Once in a while i do get email about where to get the Philip ECG Master Replacement Guide. I told them that they were no longer print the data book instead i channeled  them to http://www.nteinc.com to...

  • Posted July 21, 2009
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