All posts by Jestine Yong

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  Samsung HT-TZ315 DVD Player loading forever

                Today I got a Samsung HT-TZ315 dvd player who has a problem of loading the dvd. This means, if I wish to play a dvd then it shows only loading on...

  • Posted October 26, 2015
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  Sansui AU-D5 Integrated Amplifier Repair

              This amp came to me with a complaint that the protect mode is on, and all LEDs on the right channel light up. As usual, opened the amp and did a...

  • Posted October 26, 2015
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  Shopping At Pasar Road Electronics Center

                  This morning I brought the foreign students (from UK and Holland) with two local students to Pasar Road (Electronics Center) to buy electronics repair related stuff. One of the...

  • Posted October 24, 2015
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  Completed Another Electronics Repair and Certification Training

                    Just completed another Electronics Repair and Certification Training for 8 participants. Two of them were from the UK and Holland. Tomorrow I will bring few of them to Electronics...

  • Posted October 23, 2015
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  LG Stereo System DVD CD Tray Not Open Repaired

                  The complaint of this LG stereo system DVD 3 DISC changer was  the display showed open but the tray did not open. After about 2 to 3 minutes an...

  • Posted October 23, 2015
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  Part 2-FARFISA ART-482/1 door entry intercom repair. About Transformer calculations

                Well, after so much of “background noise” about the transformer of the previous article of mine here https://www.jestineyong.com/farfisa-art-4821-door-entry-intercom-repair/ and in order for me to help the readers of it to...

  • Posted October 23, 2015
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  Modification Of Transistor/Resistors In AC 37KW LS Inverter

                  Last week a customer brought to my shop an ac inverter of 37 KW in an urgent situation (the main drive in one of  his production lines), as he...

  • Posted October 21, 2015
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  LM317 adjustable voltage regulator testing method

              Some time ago, I got a question from a member to show how to test the LM317 adjustable voltage regulator. I decide to make a simple tester and to show my...

  • Posted October 21, 2015
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