Category: Electronics Discussions
Corrosion in a Mosley 6020 STL Receiver. Not Good!
I got called in the other night to pick up and fix a Mosley 6020 STL receiver that had no LO1 level on the meter. The AFC Lock was on but there was no indication of receive. All voltages, +-15 and 5 were good. I brought it back to the shop and as soon as […]
Continue reading Corrosion in a Mosley 6020 STL Receiver. Not Good!Symetrix 528E design error that causes power supply short.
Quick repair tips and tricks
Continue reading Symetrix 528E design error that causes power supply short.Using an Optimod 8100A in a studio
I got an Orban Optimod 8100A in for repair. The power supply was the problem, the only tantalum cap on the board had opened up. That is strange since tants usually short, not this one. The symptom was that the + 15 volts would slowly decrease until it got to about 12 volts and everything […]
Continue reading Using an Optimod 8100A in a studioA $100 Lesson
Not too long ago I bought a Tektronix 496 Spectrum Analyzer off Ebay. The description said it came on but no further testing was done. It was a good price, $199 plus shipping and since I have wanted a decent spec-an for a long time now I jumped on it. It did look really nice. […]
Continue reading A $100 LessonParts, Is It What It Says It Is?
In the past electronics repair was a pretty straight forward business. Find the bad part and replace it. You did not have to worry much about the parts you were getting. You could count on their quality even from places like Radio Shack. Now days that is just not true. If you go to EBay […]
Continue reading Parts, Is It What It Says It Is?Getting into surface mount
I have been doing a lot of surface mount repairs lately and thought it would be good if my readers could share some of their stories about how they do it and what works best for them. I know I have my ways and they work for me but I am sure we can all […]
Continue reading Getting into surface mount