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My syncro belt drive 437 phillips turntable plays too slow? How do I fix?

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6 Suggested Answers

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Posted on Jan 02, 2017

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BingoDabbers
  • 102 Answers

SOURCE: started playing too fast, now won't turn

Check that the belt has not perished.

Posted on Oct 06, 2007

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  • 68 Answers

SOURCE: platter turns slow

This turntable design has a direct drive system instead of belt drive (two types). If this unit has been in storage for some time, it has most likely been at hot or cold tempuratures - not good for any electronic/mechanical system. 
My guess is that the direct drive motor needs to be rebuilt - internal friction is probably keeping it from operating at proper speed. Best to consult with a repair shop that can handle direct drive turntables - several on the internet, if you cannot find one locally.

BTW: You can find a manual for this at : http://www.vinylengine.com/library/denon/dp-45f.shtml

Best regards,
Andre

Posted on Sep 26, 2008

Grubhead
  • 5151 Answers

SOURCE: Sony Belt Drive Turntable Platen speed

Check for grease on the platter or anywhere in the mechanism. Sometimes somebody has messed around with the speed preset, there might be two. You could try adjusting them. Sometimes they are found on the underside of the turntable, covered up, or they will be on the PC board of the deck.

Posted on Jan 26, 2010

  • 189 Answers

SOURCE: Rotel rp1000 turntable rplaying too slow, new belt

HELLO

Check that your new belt is not too tight as this will slow the motor down as it tries to turn the platter. I would also suggest a little light oil (sewing machine oil is ideal - NOT WD40) on the motor spindle shaft where it goes through the motor itself it may be a little dry.

Clean off any gunk from the rim where the belt turns the platter and do the same on the pulley on the motor. Get some de-oxit (expensive but good) or SERVISOL to clean the speed change switch too.

ALL THE BEST!

Posted on May 12, 2010

  • 6 Answers

SOURCE: PL-L50 Pioneer direct drive turntable playing

If there is a speed adjustment for 45 and 33 rpm records the contacts or pots need to be sprayed with some electronic cleaner to remove any dust. This is done by removing the bottom of the player and finding the control knobs inside. Electronic cleaner can be found at Radio Shack for around $10 for a large can. It does not take much. Just spay inside the control knobs inside the unit. You will find a small hole where you can put the spray tube that comes with the cleaner. Work the "pots" or knobs back and forth several times to loosen any residue inside the knob casing. Be careful not to shock yourself by removing the bottom. If you are not use to working on electronics it may be better to let someone else with more knowledge tackle the job.

Posted on Dec 02, 2010

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1 Answer

Can the belt be replaced or is there a different solution?


If it is slow on all speeds then replacing the belt might solve the problem. If it doesn't it could be grease that is bunging up the drive, or perhaps the motor needs oiling.

Mar 10, 2016 | Audio Players & Recorders

2 Answers

Why is turntable too slow?


If it's belt drive, the rubber drive belt may be slipping (look inside and see if you can detect slippage).....or if it's gear driven or direct drive.....I'd just let it run for an hour or so and see if it speeds up.

If not, and it's valuable, take it to a repair shop. If it's cheap....scrap it!

Jul 30, 2014 | Crosley CR6007A Turntable

1 Answer

Turntable running slow


You'll probably need a service manual for something as tricky as this, so unless you have got one I would send it for service. You might also have problems getting any replacement parts too doing it yourself.

Jan 14, 2013 | Technics Audio Players & Recorders

1 Answer

I just recently bought a new turntable, and when it plays my LPs, the LPs sound somewhat slower than the original. Does the slowness have to do with the belt of the turntable? Is there anyway I can fi


If the 45's play OK then your belt might not be fitted in the right place. If they are both slow, then either the belt is slack or the drive is faulty.

Dec 09, 2012 | Audio Players & Recorders

1 Answer

Turntable slows down and stops


If it has a belt drive, the belt has stretched and needs to be replaced.

Oct 07, 2012 | Teac SL-A100 Turntable

1 Answer

How can i fix my jta-460 from playing records slow


Check the RPM switch on the turntable is on the correct speed for the record you want to play. Otherwise it could be a belt problem internally.

Feb 13, 2012 | Jensen JTA460 Turntable

1 Answer

Platter turns slow


This turntable design has a direct drive system instead of belt drive (two types). If this unit has been in storage for some time, it has most likely been at hot or cold tempuratures - not good for any electronic/mechanical system. 
My guess is that the direct drive motor needs to be rebuilt - internal friction is probably keeping it from operating at proper speed. Best to consult with a repair shop that can handle direct drive turntables - several on the internet, if you cannot find one locally.

BTW: You can find a manual for this at : http://www.vinylengine.com/library/denon/dp-45f.shtml

Best regards,
Andre

Apr 06, 2008 | Denon DP-47F Turntable

1 Answer

Started playing too fast, now won't turn


Check that the belt has not perished.

Oct 06, 2007 | Philips WMM142211 Turntable

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