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Author Archives: retrovoltage
Westinghouse LCD Repair
After seeing the repair I made on the Samsung LCD monitor, a friend gave me a few-years-old Westinghouse LCD/TV that had quit working – it wouldn’t power on anymore. It’s a Westinghouse SK-19H210S, 19″ LCD accepting VGA or HDMI up … Continue reading
Posted in Electronics, Photos, Projects, Television
Tagged capacitor replacement, cost engineering, fried electronics, HDTV, LCD, Monitor, power supply, recycling, repair, SK-19H210S, soldering, Westinghouse
6 Comments
Testing Salvaged CCFLs
I scrounged these up a while back and just now decided to test them out as a part of another project I’m starting. They’re CCFL bulbs, cold cathode fluorescent lamps. Each driver powers two lamps; I have 8 connected. Naturally, they’re … Continue reading
Posted in Electronics, Hardware, Projects
Tagged 12V, blue, cabinet, CCFL, computer power supply, red, salvage, surplus
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Dumpster Diving: Samsung 225BW LCD Repair
I found a Samsung 225BW LCD sitting on top of my apartment’s dumpster, and figured I’d drag it upstairs. It’s a few year old model but it’s better than the current older Dell LCD that I’ve been using (1680×1050 versus 1440×900). … Continue reading
1939-1941 Stromberg-Carlson Dial Stringing Diagrams
I’m recently the proud owner of a copy of the original dial-stringing guides for several Stromberg-Carlson radios from 1939-1941. This information is extremely hard to come by – it wasn’t included with the original engineering/service data, nor is it anywhere … Continue reading
Posted in Radios and Tubes, Vintage
Tagged 519, 520, 521, 522, 523, antique radio, dial string, dial stringing, Made in Rochester, radio repair, radio restoration, stromberg-carlson, tube radio, vintage radio
1 Comment
New Project Idea: Oddball Tube Hi-Fi Amplifier
I’m looking for a new summer project, and think I’m going to branch off from repairing radios to building some of my own gear. I’m interested in making a tube hi-fi stereo amplifier to go with my old speakers – … Continue reading
Posted in Electronics, Projects
Tagged 5AQ5, 5AQ5 amplifier, 6AQ5, 6V6, amplifier, audiophile, hi-fi, oddball tubes, Silvertone 69A, tube, vacuum tube
3 Comments
Found: Sansui SP1500 Speakers
It’s been a little while since I’ve gone on my rounds through the salvage and recycling centers nearby. There wasn’t much out there today, but I did find a very good condition pair of Sansui SP1500 speakers. I already own … Continue reading
Repairing an Antique Radio from Start to Finish [7 – Conclusion] – Grunow 589
And we’re done! The saga of restoring the Grunow 589 is coming to a close, as I’ve sorted the last issue, performed the final set of adjustments and verified correct operation of all its features. Update: The series is complete. … Continue reading
Posted in Photos, Projects, Radios and Tubes, Vintage
Tagged antique radio, grunow, grunow 589, grunow chassis 5-U, grunow radio restoration, repair, restoration, tube radio
17 Comments
Repairing an Antique Radio from Start to Finish [6.5] – Grunow 589
Update: The series is complete. For more articles and information, visit these other posts. This dates back to 2011, when I was pretty new to this hobby – I’d probably do a few things differently now! Part 1: Identification and … Continue reading
Posted in Photos, Projects, Radios and Tubes, Vintage
Tagged antique radio, EICO 324, EICO 460, grunow 589, grunow chassis 5-U, grunow radio restoration, HP 200CD, oscilloscope, repair, restoration, tube radio
14 Comments
Antique Radios in “Babylon 5”
In Season 2, Episode 7 of television program “Babylon 5” (1994-1998), you can see a few antique radios in the space station’s Earth History Exhibit. With the help of some other radio hobbyists, I’ve identified the interesting ones. On the … Continue reading →