All posts tagged "amplifier repair"

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  Broken Diode And Shorted Tantalum Capacitor Found In NAD C300 Amplifier

  Those of you who have not read my previous article (September, 2017) on this amp, may please read : https://jestineyong.com/shorted-mosfets-and-bad-capacitors-in-amplifier/ My friend brought this set back to me (May, 2019) stating that the power on LED was...

  • Posted May 12, 2020
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  Revisit Of Jinxed AMP With Torroid Transformer Failure

                Those of you who have missed the story behind this Audiosource Amp One, please read it using this link: https://jestineyong.com/servicing-audiosource-amplifier/ Well, as this Transformer failed again at the customer’s place,...

  • Posted April 17, 2020
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  Restoring Antique Valve Amplifier Ahuja TM-50

                            This Ahuja Valve Amp was gifted to me by one of my friends, looking at my interest in collecting antique pieces. It was lying...

  • Posted February 11, 2020
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  BOUYER AS30 Power Amplifier Repair

                      This is an antique piece, which I bought from a scrap picker many years back. When I sold many of my electronic scrap and other things to...

  • Posted November 20, 2019
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  DENON AVR 2311- Power Supply Problem Rectified

                        Good Morning, I got this Denon AVR which could not power up recently.  With a hope to apply my troubleshooting techniques learnt from Mr. Jestine’s class,...

  • Posted November 12, 2019
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  Kustom Groove 1200 Bass Amp Repair

                    A customer dropped this bass amplifier off for repair. It had been at another repair shop. They weren’t able to repair it. Upon assessment I found that the...

  • Posted July 5, 2019
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  A Sound/Video Amplifier With (Protect) On Display Repaired. Model AVR142/230  Harman/Kardon

                    A man came to my shop and had an amplifier for repair. He said his son put a metal device in the speakers output. After this was done,...

  • Posted May 17, 2019
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  Tampered Amplifier Set Repaired

                      This Amplifier model Sonodyne SC1020 was brought to me by a regular customer with the complaint that it had on/off relay problems and it was given to...

  • Posted May 4, 2019
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