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In Reply to: RE: blaupunkt Ballett type21050 posted by Camrahnbay on November 07, 2014 at 16:47:29
there is probably a string that winds around the tuning knob shaft - a few times and then via shives to the tuning capacitor wheel-
The alignment of the end points and the travel of the wheel may be off - or there is a knot in the string that is not making it through a shive/pully....
Follow Ups:
TAHANKS FOR THE INPUT,the line gets real lose around the 96 mark on the dial.I removed the chassis and took a look,the FM has it's own separate dial with a wheel with a spring inside of it.
I would think the spring would take up the slack,the radio is over 50 years old but looks real clean and soinds very good!
What are your thoughts on this? Could it be that the spring and line are to old to do there job?And if so ,is there a fix?
thanks
There are a couple of possibilities-
one is that the grease/lubricant on the main tuning dial - the large wheel that is connected to the variable capacitor - is not even, or has dried out - do you remember where it was tuned when you received it? - either side of that point could be trouble (or opposite side) - with the lubricant missing the shaft may bind - and the string tension is insufficient to overcome the friction when the shaft is binding- you can try to manually turn the large dial through that point - and see if you feel any friction/binding-
you can try to rotate the shaft to work through the friction- you might want some Tuner Cleaner - or other spray solvent - and see if you can displace some of the old grease - the wheel may turn more freely at this point - then you will need to get a new lubricant into the bearing - a machine oil will work - or a silicone spray-
Be careful of supplying too Much - dripping is not good, and over-spray could affect adjacent bits....
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