Electronics Repair

OT: Vintage engraved pushbuttons

usually bakelite, "Start" or "Stop" engraved with paint filled in the engraving of the letters. what's the technique for...

5 comments posted 11yrs

posted by see

5 comments posted 11yrs posted by see

Tapping 6-32 in aluminum

On Sunday, April 5, 2015 at 10:34:56 AM UTC-4, Lloyd E. Sponenburgh wrote in rev.crafts.metalworking: > Ignoramus10114...

0 comments posted 11yrs

posted by walter_evening

0 comments posted 11yrs posted by walter_evening

'scope smps update

Hi all, Well, having established that the mains filter had fused and having cut it out of circuit, I was advised to rec...

5 comments posted 11yrs

posted by curd

5 comments posted 11yrs posted by curd

Belts (Mitsubishi X-11)

Belts for cassette decks and turntables. I need the belts for a Mitsubishi X-11 system. Turntable and cassette. this is...

1 comments posted 11yrs

posted by jurb6006

1 comments posted 11yrs posted by jurb6006

IDE Extension Cable for 2.5 inch Hard Drive

Hi, I have Googled for an IDE extension cable for 2.5 inch hard drive (used in laptops), but I did not find a source. M...

14 comments posted 11yrs

posted by jaugustine

14 comments posted 11yrs posted by jaugustine

phone circuit & artwork

I have internet long distance that charges for all outgoing calls. I also have a land line for local calls only. I desi...

0 comments posted 11yrs

posted by nobody

0 comments posted 11yrs posted by nobody

component tester

Anyone have experience with these cheap chinese component testers, resistor, transistor, esr, etc. Prices under $50. Cav...

7 comments posted 11yrs

posted by zekor

7 comments posted 11yrs posted by zekor

re-inventing the wheel

I know enough about electronics to know what components to obtain. I know enough about soldering to do the least of it...

2 comments posted 11yrs

posted by nobody

2 comments posted 11yrs posted by nobody

Mystery wall socket

Hi group.. There are seven of these sockets within a 1964 built house in Michigan USA: "http://i60.tinypic.com/2628481....

14 comments posted 11yrs

posted by none

14 comments posted 11yrs posted by none

alternative to antennaweb, Curious channel redirection.

I'm still working on my antenna amp, but it gave rise to a couple more questions. I looked at antennaweb.org and it is...

6 comments posted 11yrs

posted by NONONOmisc07

6 comments posted 11yrs posted by NONONOmisc07

The world is running out of electrons - Serious implications to come!

From: The World of Science Article 4115 Posted: April 1, 2015 The world is running out of electrons. Electric costs soa...

20 comments posted 11yrs

posted by modernscience

20 comments posted 11yrs posted by modernscience

Vintage synthesizers are sometimes cantankerous

I'm building a demo system in my lab, and not one, but _both_ of my HP3325A synthesizers went flatline. One had almost...

3 comments posted 11yrs

posted by pcdhSpamMeSenseless

3 comments posted 11yrs posted by pcdhSpamMeSenseless

Signal weak without antenna amp, overloaded? with it, what to do?

Use of an antenna amp. Signal weak without it, overloaded? with it, what to do? I have a moderately large outdoor TV an...

7 comments posted 11yrs

posted by NONONOmisc07

7 comments posted 11yrs posted by NONONOmisc07

Testing an Isolation Transformer

Hi all, Well, I picked up a 500VA mains isolation transformer today: 240v in; 240v out. It's not brand new so I thought...

12 comments posted 11yrs

posted by curd

12 comments posted 11yrs posted by curd

Re: SMPS needing a load to startup myth?

> > Hmm, I keep hearing such things, but so far I haven't come across a > SMPS that will not sit there quite happily su...

4 comments posted 11yrs

posted by robert.a.macy

4 comments posted 11yrs posted by robert.a.macy