Electronics Repair

another dimmer smoked today outside thank goodness!

Well, I have one additional so called "30 amp" Chinese dimmer remaining after the prior one smoked. This one had a circ...

19 comments posted 5yrs

posted by chuck445

19 comments posted 5yrs posted by chuck445

Diagnose this:

**Hi, serviced a Fender "Super 210" yesterday. All tube amp, 2 x 6L6s plus 2x10 inch speakers. Fixed a few issues like...

9 comments posted 5yrs

posted by pallison49

9 comments posted 5yrs posted by pallison49

power supply question

I ordered one of these last week and it arrived today: shorturl.at/alQX6 I ordered the 24V 15A. Has anyone here used one...

9 comments posted 5yrs

posted by anytime

9 comments posted 5yrs posted by anytime

what gauge wire that has 1.25mm diameter PVC jacket

Appears to be two lead, multi-stranded hook up wire with 1.25mm diameter PVC jacket. Short of stripping and measuring t...

2 comments posted 5yrs

posted by anytime

2 comments posted 5yrs posted by anytime

LECroy 6050A parts and/or service manual?

Hi all, I just got two LECroy 6050A oscilloscopes. Both work fine but are missing a few knobs. I cannot find a service...

1 comments posted 5yrs

posted by grggonzalez3

1 comments posted 5yrs posted by grggonzalez3

conductive Path on printed circuit board?

Hello, I had been having a recurring problem with a model WV-38A RCA VOM that I built from a kit way back in the day. F...

5 comments posted 5yrs

posted by arl_123234

5 comments posted 5yrs posted by arl_123234

power adapter connectors?

This might become less of an issue in the future as more things switch to standardizing on USB connections, but there's...

10 comments posted 5yrs

posted by *

10 comments posted 5yrs posted by *

Chinese dimmer just had thermal runaway and burned up

I've been reading about dimmers here and thought I would try dimming my outdoor LED lights with one of the Chinese 12-2...

7 comments posted 5yrs

posted by chuck445

7 comments posted 5yrs posted by chuck445

college kid builds software company (NPR in depth)

Dropbox: Drew Houston How I Built This with Guy Raz NPR - Nov 6, 2020 -- https://www.npr.org/2020/11/06/932199300/dropbo...

0 comments posted 5yrs

posted by mogulah

0 comments posted 5yrs posted by mogulah

Knight T-150 Ham Radio Transmitter, R33 "blown" apart

Hi, A "Ham" radio friend has an old Knight T-150 transmitter. "R33" , 150 ohm 20W, blew apart due to overload. This res...

2 comments posted 5yrs

posted by jaugustine

2 comments posted 5yrs posted by jaugustine

swapping out K type thermocouples?

I have a project that involves controlling temperature with a thermostat. The device used is here: https://www.ebay.com...

4 comments posted 5yrs

posted by jason.b

4 comments posted 5yrs posted by jason.b

I need the bios - MS-7687 Version 4.2 IH61M V4.2

Hello team I ask to download these bios below who has access. thank you, Cristian https://vinafix.com/threads/ih61m-4-2....

0 comments posted 5yrs

posted by ctaestudo

0 comments posted 5yrs posted by ctaestudo

Samsung no pic

Hi Group, I have a Samsung TV # un50h6201af has backlight no picture no sou nd. Power supply has all the normal voltage...

2 comments posted 5yrs

posted by stankowalski02

2 comments posted 5yrs posted by stankowalski02

question about PC power supplies

I have a question about a typical PC power supply. Let's say that they are marked 12V 14A, 5V 20A, and 3V 27A. I know t...

7 comments posted 5yrs

posted by al5

7 comments posted 5yrs posted by al5

cigarette lighter plug end getting quite warm

I have a cigarette lighter plug and socket rigged up in the house for a special purpose being drive by a 5VDC, 10 amp s...

17 comments posted 5yrs

posted by bestnet

17 comments posted 5yrs posted by bestnet