diy repair

Picked this old project up again. I'm out of practice working on electronics but did enjoy it in college. Got a tone on the input, increased the volume until I got about a 1VAC on the main amplifier input. Checked the DC voltages and they seem ok, however one channel is not amplifying. I'm...

First of all, thank you for your kind help. The Rpm and gear selector of my guage cluster from the car decided to stop working. It's a digital cluster for gx81 Mark 2 (image for reference attached below). Upon initial diagnosis I found that one of the power transistor 2SC2334L had blown with a...

Disclaimer: I'm not an engineer, just a DIY enthusiast. So I have an cheap old plastic SMD LED desk lamp but its battery and circuit board are missing. I want to turn it into a USB powered lamp for my new apartment but I'm not sure of the best way to power it. It has 31 LEDs and the label on the...

Hello all! New homeowner here, and our house has what I am told to be a pretty nice Gas Fireplace. Which would be great except that the up key on the remote control doesn’t really work. I don’t really want to fork out the $100+ for a new remote (new homeowner and father!!) and I am pretty...

Hay guys, I'm in a grind with this LG microwave control board. It had a gentle but sevier death. Upon inspection found leaked capacitors, two damaged optocouplers , a blown inductor and a pitted IC- LNK 364DN. I changed the caps and inductor. I changed all the parts, although had to jerryrig the...

hello all, I have a cheap xmas led light which I need to hack... how to hack the circuit and instead of looping the settings (blinking light types) with the button, I need the light just to stay steel. Thank you for any suggestion

So I have a car amplifier that was making "farting" noises and I took it apart and noticed why it was doing that. Poor connection My question is how would I go about repairing this properly could I just use a wire and solder it to the broken spots to make a bridge?