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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, July 18, 2026

Beogram 4004 (5526): Upgrade With a New Beolover Carriage Motor and the Commander Remote Control System

I just sold a fully restored Beogram 4004 (Type 5526) that I offered via my store to a customer in California. Read here about the work done on this unit. My customer decided to get the unit upgraded with a new Beolover carriage motor and the Commander remote control.

The new carriage motors run much quieter than the original ones, and the Commander allows full control of all functions with an Apple remote. The Commander also adds auto-repeat functionality.

I put it on the bench and removed the aluminum panels. This shows the original motor still in place:

I extracted the motor, opened up the enclosure, and inserted the new Beolover carriage motor:
This shows the new motor installed:

Then I removed the keypad assembly to install the Commander remote control. Since this was a 4004, the Commander gets its power from the output PCB that is located under the keypad:
I plugged the Commander board into the keypad header on the main board and put the power breakout adapter into the keypad header on the output board. Then I connected the Commander with the white harness to the small jack on the breakout adapter: 
Here a detail shot of the power connection:
Then I plugged the keypad back in and bolted the autorepeat indicator in place with the main keypad mounting screw:
This concluded my work on the upgrades. Now I will play this Beogram a bit, and then it will be time to send it to its new owner.






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