In this video, I document the 2nd and final part of the Carver TFM-45 repair. I resolve the output imbalance issue, recap the power supply & meter board, and upgrade the meter bulbs to LEDs.
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https://www.youtube.com/watch?v=pW2KN9I6HC4
This amp wouldn't power off and the speaker set B light was not working.
Parts Used:
White LED - DigiKey - 1516-QBL7IW60D-WW-ND
470 Ohm Resistor - DigiKey - 541-CMF55470R00FKR6CT-ND
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https://www.youtube.com/watch?v=BQ3AeyA107Y
In this video, I continue my restoration of the Pioneer SX-1980. I replace the bulk electrolytic capacitors, install an upgraded power supply board, power up the receiver, troubleshoot and re-work both amplifier boards, and perform some initial testing. A lot of work done, a lot more to go.
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https://www.youtube.com/watch?v=jeWbfgjVL_0
This is a very short video documenting the repair of an NAD 2200 power amplifier stuck in protection mode. This can apply to many other audio amplifiers.
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https://www.youtube.com/watch?v=zRt6dIFn9Jw
In part 1, I perform the initial troubleshooting and repair on a Carver TFM-45. I make some decent progress by recapping and replacing the transistors of both amp modules, but there's just too much work left to make it 1 video.
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https://www.youtube.com/watch?v=aGHJbNHWeeQ