Questions tagged [repair]

It used to be that if you wanted to power up an old tube radio, you'd use a variac and gradually bring up the line voltage to avoid damage to the radio. Is this needed or suggested for transformer powered semiconductor radios that have been sitting…

I have a collection of medium old (in my opinion) radios such as a ts-440, ft-920, ft-840 and on all of them the vfo/tuning knobs are very stiff and "stutter" when turning. These radios have been in storage for a long time though they otherwise…

CQ CQ CQ de BH4FHO. I have been fixing some radios recently - buying used radios for cheap, fix them up and modify them to transmit in ham bands. When testing them out, I am using my Baofeng DM-1801 HT (with OpenGD77 firmware) as a test target -…