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Power Cycling Quickly (infosec.pub)

submitted 3 days ago by TheMonkeyLord@sopuli.xyz to c/techsupport@lemmy.world

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So I grabbed this up at the thrift store today, when I got it back home I have it a quick clean and tried powering on, but it didn't seem to respond.

Turns out it is turning on, but it is turning off nearly as quickly. I tested the volts on the power supply briefly and it shows up as ten on my multimeter (States it is 9.6 V).

Any help would be appreciated. I do have a video showing what is going wrong if needed.

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[–] fartographer@lemmy.world 3 points 3 days ago

Is the battery connected while you're trying to power it on? If so, see if it'll run on the power supply without a battery.

If that doesn't help, check if there's a tape already in the deck. If so, see if you can manually remove it. A number of old magnetic media cams start to get a bit sticky/stuck and trying to move the reel or head at startup can cause them to overdraw.

If first two don't work, consider finding a proper replacement battery. If replacing the battery doesn't work, then you're almost definitely gonna need to crack it and look at replacing caps.

This goes in order of easiest/cheapest solution to most difficult, but I think capacitors are gonna be most likely on a piece of kit that old. But all the extra troubleshooting should help you narrow down possibilities before pop your new baby open and find that replacing caps still doesn't help.