Very slack belt inside radio cassette player
I got this JVC 9401LF Radio with a cassette player and the cassette unit does not work. One issue is the belt, it is so slack that it fell off the pulleys.
Can a belt get that slack with age? And does anyone know of a replacement belt and what size it ought to be? |
Re: Very slack belt inside radio cassette player
It sometimes happens with old machines. I have had it with an early Sony shoebox cassette recorder and a Motorola 8 track car radio. At least going slack is better than turning to sticky goo that is very difficult to get rid of.
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Re: Very slack belt inside radio cassette player
Yes belts can stretch a lot due to age/usage, especially the thinner belts that are used in cassette recorders.
It will be almost impossible to find out the original size as manufacturers very seldom listed that information. A data sheet for this model is available as a purchasable download from the Instant Downloads from top right corner of screen, but it will not give any drive belt dimensions. Using a piece of fine string or cotton you can position it around the belt path until it is a snug fit and then measure its overall length (circumference) then calculate its diameter, belts are normally sold by their ID (Internal Diameter) then from one of the many online sellers find a belt of correct ID and thickness. It maybe just easier to purchase a set of cassette belts from an online seller such as eBay, search for cassette belt and you will see there are loads of assorted sized belt sets for sale. The actual size is not overly important, as long as not too slack or too tight. David |
Re: Very slack belt inside radio cassette player
You can buy assorted size belts in a single pack on eBay. Make sure you get the right type as you'll find both square and flat.
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Re: Very slack belt inside radio cassette player
I ordered one of those kits with a large selection of belts. I did manage to get it working with a rubber string on an experimental basis, but the sound quality is atrocious. Mostly just noise. I can play the same cassette on my deck however and it sounds perfectly fine.
I cleaned the read heads with a q-tip and isopropyl alcohol but it made no difference. The radio unit self sounds perfectly fine so the speaker works. There are a lot of electrolytic capacitors in this... I am leaning towards one or several is malfunctioning. Or the heads are really worn out, or maybe some alignment issue? |
Re: Very slack belt inside radio cassette player
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John. |
Re: Very slack belt inside radio cassette player
My original E3302 used to get a lot of use and got through several heads in the years it was in regular use (from memory, the specified head life was only 500 hours). Worn heads just used to result in loss of treble
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Re: Very slack belt inside radio cassette player
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