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Beolover SyncDrive: DC Platter Motor Replacement for Beogram 4002 and 4004 (Type 551x and 552x)

Late Beogram 4002 and the 4004 (Types 551x and 552x), which have DC platter motors instead of the earlier synchronous AC motors usually suff...

Saturday, February 6, 2016

Beogram 4002 (5513): Another New Arrival - A First Impression

Another Beogram 4002 (5513) arrived for some TLC. Today I extracted the turntable from its box and found an excellent packing job inspired by my 4002 shipping video. The 4002 is a pretty solid all metal design and shipping usually is not an issue if double boxing is applied and a few precautions are taken as shown in the video.
Here are a few impressions of my first contact with this unit. The aluminum surfaces are in very good condition and a deep cleaning will make this unit shine again. It also has a plinth that is in excellent condition.
The keypad has the usual light wear patterns on the start/stop and arm lift buttons:

And the hood has some deep scratches:
But they are not too bad and a good polishing will be able to bring this hood back close to its original glory.
Under the hood it is all original:
The only immediately obvious item that should be fixed are the cracked plastic cabinet guiding washers:
A first performance test revealed that the arm lowering mechanism is sluggish due to hardened lubricants and the tracking sensor needs an adjustment. All this will go away when the arm lowering and tracking mechanism are restored.
The DC platte motor is a bit noisy suggesting that a cleaning and lubricating needs to be performed. The RPM consistency test with the BeoloverRPM device will reveal the true state of the platter drive system. Bottom line: This unit is an excellent starting point for a restoration.





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