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Troubleshooting cassette tape transport mechanism
I'm looking for a source of information, repair manuals, etc... to try to
figure out a problem with the cassette mechanism in my car radio, a Blaupunkt Tucson. Non-car radio information would also be interesting to me. John |
#2
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Troubleshooting cassette tape transport mechanism
John,
Thanks for the ideas...this is a car stereo and the cassette is supposed to be pulled into the transport when it is pushed to a certain point. That doesn't happen most times, and when I am successful in pushing it inside, nothing happens and it is very difficult to remove. I've hooked it up out of the dash and turned on the unit, with the top cover off so I could see the mechanism, but I didn't see a belt and I'm not sure if car stereo tape transports even use belts. I've also been looking to see if Sams has a repair guide for this car stereo(or for any car stereo) but haven't found anything yet. The classic problems you mentioned are the kind of thing I want to learn about. I just need some basic repair diagrams(showing where to lube the capstain, etc...and some basic explanations of the workings of the tape mechanism) and then I can at least eliminate the obvious possibilities. I have books on VCR repair but I haven't found anything comparable for cassette units. I'll just have to keep looking. Thanks again. John "John A. Weeks III" wrote in message ... In article et, jbclem wrote: I'm looking for a source of information, repair manuals, etc... to try to figure out a problem with the cassette mechanism in my car radio, a Blaupunkt Tucson. Non-car radio information would also be interesting to me. Back in the old days, it was Sams Photofacts that was the ultimate repair guide to any specific tv or audio product. Do they even make Sams any more? Or is there a replacement? What kind of problem are you having? Is this a mechanical deck, or a selenoid operated deck? There are a few classic problems with cassettes. First, you may have a bad belt. Sometimes the deck will shut down if one of the pullys is not turning, or the take-up reel is not taking up the tape. The clutch on the take up reel is a common problem. Next, the capstan lubrication might be dried out and in need of being re-lubricated. Beyond that, you are going to be hard pressed to do much between the surface mounted circuit boards and custom IC chips. To get started, you need to get it up on the bench to start working on it. That means getting a 12 volt DC source, a spare wiring harness (so you don't have to rip the one out of your car), and a set of speakers. This will allow you to bench test the unit with the covers open so you can see what is or is not happening. -john- -- ================================================== ================== John A. Weeks III 952-432-2708 Newave Communications http://www.johnweeks.com ================================================== ================== |
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