[Vintage-Audio] Help! Sony Turntable Croaks!

Mon Jul 15 19:54:00 2002

Diameter...now you tell me...something is still wrong as a
13 inch diameter is over 40 inches in Inside
Length....Pi*d..no belt is that long.

WBob

"Duane Fischer, W8DBF" wrote:
> 
> Bob,
> 
> This belt is about .25 wide and has a diameter of 13 inches.
> 
> It does not fit around the underside of the rim of the platter, but on a smaller
> circle about two thirds the size of the platter.
> 
> Is the speed changed by the belt being moved by these mechanics or by the speed
> of the motor changing? The buttons do raise a piece of metal higher when the
> speed changes from 33 1/3 to 45 rpm. Can't see how that would take up much
> tension though.
> 
> As soon as somebody is here who can see to read, I will check the plate on the
> back for a model number. There is nothing obvious, as I had someone check
> before.
> 
> Duane
> 
> 
> ----------
> From: Bob <[email protected]>
> To: [email protected]
> Subject: Re: [Vintage-Audio] Help! Sony Turntable Croaks!
> Date: Monday, July 15, 2002 5:56 PM
> 
> Duane..
> 
> Cant find any Sony TT with numbers like that. If it is a rim
> drive belt odds are it is a FRX-23.6 a flat belt 23.3 x
> 0.185 x 0.030 inches. That belt is pretty skinny, 0.185,
> most TT belts are 0.25 or so. Sony had a lot of
> combinations, but the FRX-23.6 was the most common long
> belt.
> 
> WBob
> 
> "Duane Fischer, W8DBF" wrote:
> >
> >
> > Today I went to play an album and the Sony turntable was not working. Worked
> > just fine a few days ago. Hmmm. Platter was not moving. So the old blind dude
> > stupidly stuck his left index finger in one of the three large holes in the
> > heavy metal platter and 'looked' around.
> >
> > If the new antibiotic Lebaquin for an UTI disagreeing with me was not enough
> to
> > make me miserable,  I discovered that the drive shaft was still turning in the
> > turntable! Darn near drilled a hole in my Braille finger. I also noted that
> the
> > belt was off. So I powered it down and removed it from the console.
> >
> > The belt is not broken, seems pliant, but is way too long. I mean, three
> inches
> > too long. This is not just a case of stretched, as it could not possibly have
> > run the last time with a belt that was this sloppy. Now I reason there must be
> a
> > tension adjustment for this belt, but i sure can not find one.
> >
> > Do any of you have any suggestions? This turntable I purchased new in 1974. I
> > did replace the belt about eight years ago. It has had some use each month.
> >
> > The only number I have written down is MD 88858.
> >
> > Duane W8DBF
> >
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