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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...

Monday, August 31, 2015

Beogram 4000: Restoration of a Seized Solenoid to Tonearm Linkage

It turned out that the linkage that connects solenoid mechanism and tonearm was seized in the Beogram 4000 that I obtained from the UK. This meant I had to take the sensor arm assembly out to extract the linkage that I could relubricate it. It turned out that the pin on which it usually rotates had seized in the linkage and that the pin was liberated from its pressfit socket in the sensor arm base. I made a video that explains the issue and shows how to repair it:

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