Electronics Repair

Cleaning keyboards & mice & phonesa with alchol

I googled and found that alcohol is a non conductor. https://socratic.org/questions/can-a-rubbing-alcohol-conduct-elect...

32 comments posted 4yrs

posted by youkidding

32 comments posted 4yrs posted by youkidding

Lumenair 9200psu

Anyone had any dealings with this psu, or have a circuit diagram ?

8 comments posted 4yrs

posted by giles

8 comments posted 4yrs posted by giles

USB-A charging brick voltages of 12V & 9V & 5.2V & 5.0V & 4.6V

Are the multivoltage smarts in the phone or in the USB-A charging brick? In my wall wort box were a dozen USB charging...

1 comments posted 4yrs

posted by keith_nuttle

1 comments posted 4yrs posted by keith_nuttle

Studer reel to reel repair?

Anyone know of someone anywhere near SE Michigan that does repairs on pro reel to reel tape decks?

1 comments posted 4yrs

posted by tbray

1 comments posted 4yrs posted by tbray

I can't find my remote

I can't find my electronic remote. I had it only a few days ago. But now I can't even find it. Where can it be?

16 comments posted 4yrs

posted by Ken

16 comments posted 4yrs posted by Ken

Fun Definitions Found Recently

1 Ohm. Was defined as the resistance of a column of mercury (at the temperature of melting ice) of a uniform cross-sect...

0 comments posted 4yrs

posted by mailserver.cctv

0 comments posted 4yrs posted by mailserver.cctv

Heat source from 24v ac solution

I need a resistor idea or lightbulb to get some heat to keep a camera warm. the supply voltage in the camera is 16-24 ac...

10 comments posted 4yrs

posted by grandbeachrentals

10 comments posted 4yrs posted by grandbeachrentals

Calibration procedure of HEATHKIT IM-2202

Hi all out there.... I've got an old Digital multimeter that need an calibration. It's a HEATHKIT model: IM-2202. I fou...

2 comments posted 4yrs

posted by bo-lennart.karlsson

2 comments posted 4yrs posted by bo-lennart.karlsson

solidifying toroid core position and windings?

I just finished making up a multi order HF band pass filter for one of my ham radio bands. A friend wants me to make on...

8 comments posted 4yrs

posted by jaketbone

8 comments posted 4yrs posted by jaketbone

What's the tangible difference to the user of Docsys 3.0 vs Docsys 3.1

*What's the tangible difference to the user of Docsys 3.0 vs Docsys 3.1?* The only disadvantage, that I can think of, t...

1 comments posted 4yrs

posted by spam

1 comments posted 4yrs posted by spam

Need recommendation for USB power analyzer tool.

I have various USB chargers, cords, and portable devices around the house. One of my devices, a Kindle Fire from around...

24 comments posted 4yrs

posted by farberbear.unspam

24 comments posted 4yrs posted by farberbear.unspam

SMD recommendations for tip, temperature and solder alloy and width?

Title says it all. I have a few SMD repairs to do, but don't have much to start with. Don't want to have to shell out b...

8 comments posted 4yrs

posted by sn4

8 comments posted 4yrs posted by sn4

question about expander compressor IC

Hi. I currently have access to a compressor/ expander IC: https://pdf1.alldatasheet.com/datasheet-pdf/view/65260/HYNIX/...

0 comments posted 4yrs

posted by jaketbone

0 comments posted 4yrs posted by jaketbone

HiFi system too loud, LA4280 amplifier IC questions

I have an HiFi system SABA CT9810 (also sold as THOMSON VTM 2800/2900, CRK 1207, BRANDT MID 3000, TELEFUNKEN POWER PACK...

0 comments posted 4yrs

posted by JERONI.PAUL

0 comments posted 4yrs posted by JERONI.PAUL

why hiss in my wireless mic system?

I know the answer might seem obvious (getting closer, checking connections, etc) but this has me stumped. I recently ac...

3 comments posted 4yrs

posted by electronix

3 comments posted 4yrs posted by electronix