hi
my neighbor gave me an old radio shack trs80 model3 computer...it was stored in his attic for 35yrs...i powered it on and after 5min lots of smoke was coming out of computer...i took it apart and didnt notice any fire evidence so i assume a cap split open...i looked around only saw 1 suspect part...see photo...could this be the smoke?

hey Im very new to repairing electronics with capacitors as well as using a multimeter so I need so help/guidance fixing this issue

recently I was handed a family members old NAD C320BEE that they had in their loft for storage for a few years but when powered on it went into power safety mode due to a problem on the protection circuit somewhere before it went into storage I was told it worked fine I found lots of people online talking about how the capasitors are known to be pretty bad in this model and can cause this issue the only problem being I don't have much experience sorting...

To save you some time: the most important bits are in bold.
Please help!! 🎶I'm just a girl in a world that wants to scam me out of lots of money for any tech stuff/repairs 🎵 Seriously tho, I'm poor&I can't afford to get laptop diagnosis, especially if it ends up needing a new motherboard. Where I live, all the tech shops are run by very...

I'm not sure if I am posting this in the right spot, I don't have any question or anything specific to one board. I am *kinda* starting out with this kind of work. I have been IT in one role or another for my job the last 30 years, and I am familiar enough with basic board stuff generally speaking. So, I dunno for example if someone told me to find a uart header, or flash some generic tsop8 something, etc I understand that kind of stuff. Point being, I'm not 100% clueless. I just don't have the specific knowledge when it comes to some of these more advanced repairs. I actually have spent the last...

First of all, thank you everyone who helps others in here! You guys are treasures! Please bear with me, this may be long. I have tried a LOT.

First, my wife said the TV was turning off and on. When cold it would be fine for several minutes, then it would start resetting.
I opened it up and noted there are two main lines coming out of the supply besides the backlight., The T-Con 12V line and the main 12V line.
TRIED 1 - I scoped power coming from Power Supply while it was all still connected. I noted that just before it reset, the 12V line going to the T-Con was going...