Trio (Kenwood) DP-1000, Any info? - Page 5 - diyAudio
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Old 9th March 2011, 12:30 PM   #41
fonon is offline fonon  Poland
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Join Date: Mar 2007
Thank You for answer. Where is the best access to the loading motor belt? My DP1000 probably needs a lubrication. The movements of the tray aren't smooth. Could You specify the lubrication points?
The problem is opening the tray. I must turn the cogwheel (left to the marker - blue triangle). There is the resist in the first stage of movement. The open/close button must be pressed approximately 2 sec, unless the tray draws back. In open position the tray doesn't stop but draws back immediately.
What do You think about?
Regards,
f.
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Old 9th March 2011, 07:07 PM   #42
GJF is offline GJF  United Kingdom
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I think you will find the resistance you mention is the first stage of breaking the magnetic pull of the disc clamp from the spindle and a new belt will cure it.
I'm sure the belt for the loading motor is underneath.
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Old 9th March 2011, 07:42 PM   #43
GJF is offline GJF  United Kingdom
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Turn player upside down.
Remove front right and left screws from bottom panel.
Loosen the remaining nine screws and slide the bottom panel towards the rear until screw heads are released by the slots and remove bottom panel.
Tray loading motor is on right hand side.
Fit new belt or if your lazy like me, two rubber bands of an appropiate size.
Refit bottom panel and try.
If all is fine, pour one large drink, put favourite disc on, kick back and enjoy!

Hopefully photos will show what I mean and also some of the re-capping I've done.
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Last edited by GJF; 9th March 2011 at 07:45 PM. Reason: Spelling!
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Old 9th March 2011, 08:48 PM   #44
fonon is offline fonon  Poland
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Now all is clear. Thank You very much.
Best regards,
f.
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Old 10th March 2011, 11:54 AM   #45
fonon is offline fonon  Poland
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Hi,
Unfortunately, it's not the belt. The belt is in very good condition. In upside-down position the tray works flawless. After reversal (to normal position) the tray opens once, only. I can't identify any loose parts impeding the movements in normal position.
f.
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Old 11th March 2011, 07:02 PM   #46
GJF is offline GJF  United Kingdom
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Even if the belt looks in good condition the chances are that it has stretched and doesn't keep in tight contact with the pulleys.
Under these circumstances it will slip and fail to pull the magnetic disc clamp free from the disc motor support, inverting the player would I imagine give the help of gravity.
There is also somewhere a small micro switch which detects the opening and closing of the draw and the contacts inside can tarnish with age and none use. This gives the problem of the draw opening and immediately closing again.
Use of a contact cleaner may be required or if your lucky a dozen or so open/close movements can be enough for the internal contacts to self-wipe.
Can you see any signs of belt rubber around the pulleys in the grooves?
A sure sign of worn and stretched belts.
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Old 12th March 2011, 03:19 AM   #47
fonon is offline fonon  Poland
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Thank You for answer. I inspected the belt carefully. It looks like new - smooth and tense - not stretched or dried-up. It's hard to take off. No signs of rubber on the pulleys. I must clean the belt and the pulleys and see this mechanism working in normal position.
And what's about lubrication? What do You suggest? Could You specify the lubrication points and the kinds of grease?
f.
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Old 13th March 2011, 05:06 PM   #48
GJF is offline GJF  United Kingdom
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Try turning the pulleys with your fingers with the plug removed from the mains socket and see if there's any excessive resistance.
On mine all that was needed was a belt and a tiny bit of white grease on the cogs of the mechanism.
I suppose the grease on yours could have dried out and the teeth on the gogs be gummed up.
When you say the belt is hard to take off, did you actually remove it?
If not make sure that it's not stuck to the pulleys, I've had this occur on a cassette deck which refused to fast forward.
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Old 25th July 2011, 11:07 AM   #49
fonon is offline fonon  Poland
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Quote:
Originally Posted by GJF View Post
Even if the belt looks in good condition the chances are that it has stretched and doesn't keep in tight contact with the pulleys...
You are right. The original belt was not stretched, but the silicone rubber hardened. I changed the belt to the new one (common rubber). The tray works fine now.
Thank You for advices. Best regards,
f.
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Old 29th July 2011, 01:34 PM   #50
GJF is offline GJF  United Kingdom
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Nice to hear you have it working again.
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