Electronics Repair

Alternative to test tapes for cassette player speed ?

25 years ago I had access to a professional audio-visual studio and managed to record a couple of tapes with crystal de...

7 comments posted 14yrs

posted by diverse

7 comments posted 14yrs posted by diverse

Weird speaker problem

Hi I have a weird speaker problem. These are the speakers of a mini stereo system. The speakers are kind of old. We are...

5 comments posted 14yrs

posted by pepebuho

5 comments posted 14yrs posted by pepebuho

RCA 27" TV Ch M134C Service Menu Information

Hi, I have in my service shop, an RCA TV 27V412T chassis M134C that I can not set the TV sound for stereo. It stays in...

4 comments posted 14yrs

posted by jaugustine

4 comments posted 14yrs posted by jaugustine

A&H MIxwiz 16-2

Does anyone have a circuit diagram or link to one for an Allen & Heath Mixwizard mk1 or 2. I have one but can I find it?...

0 comments posted 14yrs

posted by ron

0 comments posted 14yrs posted by ron

How to Make a TV remote controller using PIC16F877A (working and Tested)

Step by Step guides for design JVC TV Remote control Using PIC16F877A and MikroC compiler... see this >> http://sites.go...

3 comments posted 14yrs

posted by dprasadw

3 comments posted 14yrs posted by dprasadw

Hearing aid design

I have known that my hearing has been getting worse over the last few years. I recently had a hearing test to confirm t...

35 comments posted 14yrs

posted by captainvideo462009

35 comments posted 14yrs posted by captainvideo462009

Do Magnatrons wear out?

I have small microwave and it seems the power is getting less and less as time passes. Do Magnatrons wear out? Mikek

13 comments posted 14yrs

posted by amdx

13 comments posted 14yrs posted by amdx

Studiomaster Powerthouse 300 8.2, 1996

I'm being spun the story that this was put into storage and on powering up again , just the mixer section was working....

6 comments posted 14yrs

posted by diverse

6 comments posted 14yrs posted by diverse

SM diode marking woes.

I'm noticing that some circuit boards I'm repairing have SM diodes marked with the old General Semiconductor logo and t...

3 comments posted 14yrs

posted by see.my.sig

3 comments posted 14yrs posted by see.my.sig

Sometimes, you just gotta get brutal ...

Had a JTS radio mic receiver on the bench today. "No power", said the job ticket. With 12 volts going in, the output fr...

39 comments posted 14yrs

posted by arfa.daily

39 comments posted 14yrs posted by arfa.daily

Looking for manual for NLS MS-15 miniscope..or way to unstick the pages of one that got wet.

I picked up a Non-working Non-Linear Systems MS-15 oscilloscope. It came with a manual, but it got wet and the pages ar...

14 comments posted 14yrs

posted by spamme9

14 comments posted 14yrs posted by spamme9

magentic generators

is there magentic generators

7 comments posted 14yrs

posted by william.plunkett55

7 comments posted 14yrs posted by william.plunkett55

Knob caps for Tek 2467 scope?

Subject line says it all. Any inexpensive source? I need a half dozen for the knobs like those below the CRT. Thanks! -...

8 comments posted 14yrs

posted by sam

8 comments posted 14yrs posted by sam

HP ink jet printer cartridge cleaning and refilling

I recently was given an HP J3640 Officejet printer. This printer had apparently sat around for a few years and both the...

13 comments posted 14yrs

posted by captainvideo462009

13 comments posted 14yrs posted by captainvideo462009

Robotic Vacuum Cleaner

Searching for robotic vacuum cleaner? Buy great Robomaid auto cleaning robot with effective brush kit and filter at Rob...

5 comments posted 14yrs

posted by smithaley588

5 comments posted 14yrs posted by smithaley588