Servicing a 1987 Sony KV-1997r - dead set. Part 2/2 -repairs
chasing my tail around logic and power supply low voltage lines until we find the true culprit of this sets failure, and some shortcomings in the design. ... https://www.youtube.com/watch?v=9cCARbv1uxE
Engoneering and tweaking to make this a usable machine again. Thoughts on the killing of the YouTube editor?
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https://www.youtube.com/watch?v=uQTGKBwbUuI
Picked up at an estate sale. vertical is unstable, stretched at the top and folded at the bottom.
Sounds like leaky capacitors in the vertical sweep section.
Lets take a look.
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https://www.youtube.com/watch?v=EpkDayBh4U4
Another great piece of chineese engineering. No fuse, just a thermal sensor. Unfortunately it wasn't until the motor caught fire that the sensor kicked in.
I took it apart and had some fun with it. Sparks from short + flammable contact cleaner and lubricant = cool flames!
Even with a mask on, this stank and I had to air out the room. Not recommended unless you're outdoors. Stupid fun though!
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https://www.youtube.com/watch?v=7uHq06PN2wE
in the box!
but what lies ahead for this 50+ year old fan? what will we find?
aspects of servicing old desk fans and what problems you can run into
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https://www.youtube.com/watch?v=eETz5GHZdKw
cassette serviced previously. now in for a noisy channel - heard with volume at a minimum. speakers cut in and out.
let's fix it.
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https://www.youtube.com/watch?v=igd8Z26SpCI