tuner

I have two Lasonic TRC-920's with dead tuner boards. There are no schematic's for this radio. Does anyone have any idea on the best way to trace my way through a PC board or are there common tuner issues to look for. What I have figured out: Both tuners are getting power and have grounds. The...

Hello, people. Perhaps I should send the eBay seller a message, but let me also ask the experts here on BoomBoxery. What does it mean to be "in the lower level" when one is testing the FM tuner of a Sharp mini-box? The seller stated in part: The AM band works extra clear. The FM band works...

Over the last couple of days I've worked on a rather sad looking Toshiba RT-170S. All the usual suspects were present: spider webs, warped tuner display, gnarly ol' aerial bent in every which way, lack of function or reduced function in crackly pots & controls, dirtier than me playing in mud...

So, I wanted to listen to the 7200 again and after getting it off the shelf, I had to find out that the pre-set stations are all set to 76.1 and cannot be changed. However, the atation that it is at gets saved when you turn it off so it is not the three AA batteries in the back. I guess i am...

After watching my new 920 the whole evening, an interesting thing came to my mind. There are so many boomboxes out there that actually feature a completely lighted tuner dial. It is not only something that improves the handling of the box but also really makes it look a lot better. But which...

Hi, I just posted pics of the box in the general chat section but none of the actual tuner. when I had the radio apart, everything seemed to be in place the string was on the plastic wheels. the tuner knob turns and I can see the string moving but it doesn't turn the wheel? I tried to move the...