Electronics Repair

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Identify these transistors

In the 1960s the pocket radios hit the market and were sold everywhere. I have not opened one of them in years, but I r...
10 comments posted 7yrs
posted by tubeguy
10 comments posted 7yrs posted by tubeguy

Sometimes TV interference.

Last year I had several month's of TV interference on some channels, mainly pixelation but sometimes "no signal". Worse...
10 comments posted 7yrs
posted by pj
10 comments posted 7yrs posted by pj

Scratchy volume control.

I have one of these...... https://i.ytimg.com/vi/1VHkWsb9MY0/maxresdefault.jpg The volume control wheel (at the side) h...
55 comments posted 7yrs
posted by pj
55 comments posted 7yrs posted by pj

what makes radios drift from the proper tuning?

what makes radios drift from the proper tuning? I have radios that I tune and after they play a while the tuning needs...
38 comments posted 7yrs
posted by NONONOmisc07
38 comments posted 7yrs posted by NONONOmisc07

B&K Model 400 CRT tester

I'm looking for the manual/schematic for the B&K Model 400 CRT tester.
1 comments posted 7yrs
posted by jdangus
1 comments posted 7yrs posted by jdangus

Togle switch amps

Why are switches being rated at different amps ? I see lots of them on ebay rated for 10 maps at 240 volts and 20 amps...
7 comments posted 7yrs
posted by rmowery28146
7 comments posted 7yrs posted by rmowery28146

combining rom images

i have a gq-4x( willem) burner. i need to combine a 128k rom and a 256k rom into a 512k image. the command line is: cop...
2 comments posted 7yrs
posted by mhooker32
2 comments posted 7yrs posted by mhooker32

Which 'scope?

I have decided to shop around for a couple new oscilloscopes. Most likely one new and one used. Even though I like the...
20 comments posted 7yrs
posted by etpm
20 comments posted 7yrs posted by etpm

About them 'scope probes

Finally last night I was able to sit down and figure out the probe adjustment. I have 5 probes. One 10x Tek probe, one...
22 comments posted 7yrs
posted by etpm
22 comments posted 7yrs posted by etpm

Magnetron question

Hi, I have to replace (in a micorwave oven) a Panasonic magnetron 2M236-M62 which is no longer in production and it's d...
37 comments posted 7yrs
posted by pietrarca
37 comments posted 7yrs posted by pietrarca

Looking for 2mm pitch 2-row female connectors

Hi folks, I've got an industrial PC module (MSI MS-96F6). I'm looking for matching connectors. 2.54mm molex is common,...
4 comments posted 7yrs
posted by email
4 comments posted 7yrs posted by email

9v Batteries

Looking for less expensive 9v alkaline battery. Please suggest best brands. I usually buy eight or so at a time. Forget...
16 comments posted 7yrs
posted by XMARKSTHESPOT
16 comments posted 7yrs posted by XMARKSTHESPOT

WD-40, CRC 'Lectra-Clean, Liquid Wrench, and Kroil

Circumstances: Dynaco SCA-35 that may be best described as "neglected" , a s follows: Filthy with greasy grit - what I...
8 comments posted 7yrs
posted by peterwieck33
8 comments posted 7yrs posted by peterwieck33

Is there software to decode Morse Code?

Turning on any of my vintage shortwave radios always brings some CW or Morse Code. In the 60s I learned the basic of Mo...
2 comments posted 7yrs
posted by tubeguy
2 comments posted 7yrs posted by tubeguy