Well, there's your problem...

"Full of the sound of the Gran Fury, signifying nothing." (granfury) 03/11/2020 at 18:11 • Filed to: None

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I bought this stereo ages ago at the Goodwill Outlet and just stumbled across it in the basement. I thought that if I figured out the pinout I could make it work.

Sure enough, all of the info I needed was right on the board - easy peasy. Then I looked at the amplifier chip:

Problem identified. Game over. At least it only set me back about 50 cents. Oh well...

SBA Thanks You For All The Fish > Full of the sound of the Gran Fury, signifying nothing. 03/11/2020 at 18:21

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I’m sure it could be replaced if you had the tools and time... but for the value? Probably not worth it.

And, naturally, something ELSE could have been shorted to send it into over-current.  

Demon-Xanth knows how to operate a street. > Full of the sound of the Gran Fury, signifying nothing. 03/11/2020 at 18:23

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There is one for sale on Amazon right now for $19. I’m sure it could be fixed, but for that price....why?

Full of the sound of the Gran Fury, signifying nothing. > SBA Thanks You For All The Fish 03/11/2020 at 18:29

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I do have the time, tools and experience to fix it. I also have a tiny little board with remote control that does exactly the same thing. Yeah, given the possibility of other problems   it’s not worth screwing with, but hopefully I can scavenge a few parts before it heads for recycling. The poor application of the thermal compound on the back of that chip as well as the fact that it wasn’t tightly secured to the chassis leads me to believe that it was just a cooling issue, but given the value of it I’m not going to bother spending any more time on it.

Full of the sound of the Gran Fury, signifying nothing. > Demon-Xanth knows how to operate a street. 03/11/2020 at 18:29

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Precisely.

They’ll have the same unit in stock in about a month for less than $13. If I did buy one I would verify the heat sink, but since I don’t need it and already have another device that does the same thing I’ll just recycle this thing.

HFV has no HFV. But somehow has 2 motorcycles > Full of the sound of the Gran Fury, signifying nothing. 03/11/2020 at 18:57

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She done let the smoke out 

Junkrat aka Rick Sanchez: Fury Road Edition > Full of the sound of the Gran Fury, signifying nothing. 03/11/2020 at 19:10

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XO Vision lol

lone_liberal > Full of the sound of the Gran Fury, signifying nothing. 03/11/2020 at 19:43

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It’s ded.

On totally non-related electronics note, I happened upon some pics of one of the types of radio transmitters I used to work on. This is the largest being 40kW. The final amp tube ran with 12 kV plate voltage and 300A filament current. They made good space heaters when things were chilly.

Full of the sound of the Gran Fury, signifying nothing. > HFV has no HFV. But somehow has 2 motorcycles 03/11/2020 at 20:31

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Not just the smoke, but the magic smoke...