All posts by Jestine Yong

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  2000mAH Lithium Ion Faulty In Battery Pack

                        A customer, a good friend of mine came to the shop and was carrying a Makita drill set. As he explained the problem; one of the...

  • Posted September 22, 2018
  • 15
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  BT2025 IC (TEA2025 IC) Shorted To Ground

                    Fault Symptom: front panel power indicator light blinking & no sound output This symptom simply indicates problem in Power Section hence I have opened the speaker from backside...

  • Posted September 22, 2018
  • 8
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  Completed The Advanced Electronics Repair Course

                  Just completed another Advanced Electronics Repair Course For 10 participants. Two were from Yemen that took the Basic repair course last week, one from Nepal and the other seven...

  • Posted September 19, 2018
  • 12
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  Hakko FX-888D-29BY Soldering Iron Repair

                  This is my Hakko FX-888D-29BY soldering iron. The soldering handle for it is a FX-8801. I have had it for nearly three years and it has been a great...

  • Posted September 15, 2018
  • 21
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  Shorted Mosfets and Bad Capacitors In Amplifier

                      This NAD 360 Amplifier was brought to me with the complaint that the output was weak. As usual, first job is to open the set and clean...

  • Posted September 15, 2018
  • 8
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  Completed The Basic Electronics Repair Course

                      Just completed the Basic Electronics Repair Course for 10 participants. Two of them are from Yemen, one from Bangladesh and the rest are local. Six of them...

  • Posted September 14, 2018
  • 7
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  Unique Capacitor Value Found In Power Supply

                      A friend of mine and a computer technician brought me a play station that was damaged by a step down voltage converter. He knew how to hook...

  • Posted September 11, 2018
  • 12
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  Servicing Yamaha TC520 Tape Deck

                        This Yamaha TV520 tape deck was brought to me with the complaint that the play does not work. As in practice, I opened the set and...

  • Posted September 11, 2018
  • 8