Electronics Repair

EVGA430 ARX PSU - ripple.

Does anyone know how much ripple/spike amplitude is acceptable on the outputs? Thanks for any help.

2 comments posted 10yrs

posted by gangprobing.alien

2 comments posted 10yrs posted by gangprobing.alien

HORN

Hella horn for an intermittent alarm. which pin is ground ? how tell ? is either pin grnd-pwr ? https://photos.google.co...

5 comments posted 10yrs

posted by avagadro7

5 comments posted 10yrs posted by avagadro7

Panasonic DVD Recorder DMR-ES20 Long Time to Initialize

Hi, Note: I did electronic service work for many years. Note: This DVD recorder doesn't use a computer. It has AV input...

4 comments posted 10yrs

posted by jaugustine

4 comments posted 10yrs posted by jaugustine

What's wrong with computer speaker?

I have a pair of computer speakers and the left? one, the one not directly connected to the computer, makes no sound. T...

10 comments posted 10yrs

posted by NONONObobbyburns1111

10 comments posted 10yrs posted by NONONObobbyburns1111

60's-vintage motor overload heaters

http://imgur.com/yIx0dC6 Original on the left, purchased replacement on the right. Questioning whether these are equiva...

4 comments posted 10yrs

posted by not

4 comments posted 10yrs posted by not

Want to build resistor..

This resistor is very simple. It will have stereo RCA in and out, and 1/8" mini in and out. All it will do is attenuate...

9 comments posted 10yrs

posted by thekmanrocks

9 comments posted 10yrs posted by thekmanrocks

Car CD player - anything I can clean besides the lens?

My car's CD player reports Check CD and ejects many CDs. I've managed to g et the radio out of the car, and opened it u...

29 comments posted 10yrs

posted by borskyc

29 comments posted 10yrs posted by borskyc

Subarrier FM radio

Are such radios sold in the USA via the internet? Is the station really "fixed"? Someone gave my uncle a radio which is...

21 comments posted 10yrs

posted by vjp2.at

21 comments posted 10yrs posted by vjp2.at

TImer switch sicks

I think the reason my (spring wound) bath fan timer switch sticks is when I reset it, ie, change it form say 20 min to...

2 comments posted 10yrs

posted by vjp2.at

2 comments posted 10yrs posted by vjp2.at

Scopes, Horizontal Deflection

Now dammit, I know how a ramp generator works and I know how a relaxation o scillator works, which is what the ramp gen...

4 comments posted 10yrs

posted by jurb6006

4 comments posted 10yrs posted by jurb6006

battery life changes, similar to answering machine thread

I've had a Nikon 400 laser rangefinder for a number of years now, probably 10 to 12, something like that. We use it inf...

4 comments posted 10yrs

posted by timothy42b

4 comments posted 10yrs posted by timothy42b

PCB prototyping idea

I was in a craft shop today and one of these was being demonstrated www.cricut.com I got the demonstrator to try it out...

1 comments posted 10yrs

posted by diverse

1 comments posted 10yrs posted by diverse

Answering Machine Backup Batt

Hello, all. I've got an ~8 year old GE brand answering machine (like this one: http://www.amazon.com/GE-29878GE1-Digita...

7 comments posted 10yrs

posted by arl_123234

7 comments posted 10yrs posted by arl_123234

answering Machine Backup Up

Hello, all. I've got an ~8 year old answering machine (This one: -- J. B. Wood e-mail: arl snipped-for-privacy@hotmail.c...

0 comments posted 10yrs

posted by arl_123234

0 comments posted 10yrs posted by arl_123234

Alternator testing & troubleshooting

My 97 Ford van has an intermittent electrical problem. Testing the battery under load it seems to be OK. Connections an...

10 comments posted 10yrs

posted by Snuffy-Hub-Cap

10 comments posted 10yrs posted by Snuffy-Hub-Cap