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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...

Wednesday, May 21, 2025

Restoration of Beogram 4002 Keypad from Boston

 I received a keypad from a restorer who is working on a Beogram 4002 for a customer in Boston. Its surface had the typical wear from years of use, but the keypad frame was in excellent overall condition; an ideal candidate for our full restoration process. Below is how it looked on arrival:

On this keypad, the 33 rpm and Start buttons showed the heaviest wear (typically the Start and Stop keys). I applied gentle, sustained heat to gradually loosen the original adhesive. DC-series models (551x/552x) use an especially resilient, elastic glue.

After removing all adhesive residue, I refreshed the black paint lines around the keypad’s perimeter, which become worn from fingertip contact.


Below is the new replacement keypad plate.

For the back pieces, as part of this service we provide new nylon backs which have better dimensions and don't pull the keys down.

Below is the final result:

This should make for an excellent start to the next phase of the restoration.

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