Electronics Repair

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Zip-cord in Britain?

Hello again, Is zip-cord legal in Britain? https://en.wikipedia.org/wiki/Zip-cord I want to send an examination lamp to...
1 comments posted 3yrs
posted by peter
1 comments posted 3yrs posted by peter

Distinctive Ring

I want to put three numbers on one line. I will have outgoing fax and voice modem calls during which I want call waiting...
3 comments posted 3yrs
posted by vjp2.at
3 comments posted 3yrs posted by vjp2.at

CRT long warmup time?

Any ideas as to what would cause a CRT to take 10mins to warmup before it displays anything? Maybe old capacitors? This...
5 comments posted 3yrs
posted by john_crane_59
5 comments posted 3yrs posted by john_crane_59

Focus tension on old Zeiss microscope.

Hello, The focus adjustment knob from a Zeiss surgical microscope is in the photos here. I'd guess the scope was built...
2 comments posted 3yrs
posted by peter
2 comments posted 3yrs posted by peter

Vestibule vs Veranda

I still don't get it. Here, in construction, you might hear: 'veranda' and 'vestibule'. I decided to look them up. ====...
1 comments posted 3yrs
posted by bruce2bowser
1 comments posted 3yrs posted by bruce2bowser

Testing circuit breakers with a welder

I've been given a collection of residential service panel breakers and would like to check them to see if they trip cor...
10 comments posted 3yrs
posted by bp
10 comments posted 3yrs posted by bp

Service manual Radio Shack Pro-29 scanner 20-509

I'm looking for a service manual or schematic for a Radio Shack Pro-29 scanner model 20-509 scanner. I have searched al...
0 comments posted 3yrs
posted by tgs901
0 comments posted 3yrs posted by tgs901

microphone-free!!

This one and other wifi radios listed as microphone-free!! Apparenly the fear that your new radio will be listening to...
7 comments posted 3yrs
posted by NONONOmisc07
7 comments posted 3yrs posted by NONONOmisc07

Where is the problem likely to be?

All my tv's run off a central location, which used to include cable but now has a DVDR with an amplified antenna that b...
7 comments posted 3yrs
posted by NONONOmisc07
7 comments posted 3yrs posted by NONONOmisc07

Chip ID

Hi all, Anyone seen one of these before? The IC itself has four bjts on a single die according to the schematic, but -...
12 comments posted 3yrs
posted by cd
12 comments posted 3yrs posted by cd

cd reader dead ?

the screen of the CD player have a bright light but not function. I changed all the push buttons, nothing and nothing! t...
6 comments posted 3yrs
posted by danolive456
6 comments posted 3yrs posted by danolive456

kill switch

What is a kill switch? A kill switch in an IT context is a mechanism used to shut down or disable a device or program....
5 comments posted 3yrs
posted by bruce2bowser
5 comments posted 3yrs posted by bruce2bowser