Daily Archives: June 29, 2014

1958 Zenith Royal 500 Portable Transistor Radio Repair

This 1958 Zenith Royal 500, an early 8-transistor portable AM radio, came into my shop for a complete overhaul. I replaced several badly out of spec capacitors, added some insulation to correct a short circuit in two of the batteries and gave it an alignment. This is a perfect radio to take to the beach or the park while listening to a ball game, just like they’d have done back then. Many tear-down photos inside!

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