Featured Post

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, September 26, 2015

Beogram 4002 (5513): Replacing the Electrolytic Capacitors

Today was recap day for the Beogram 4002 (5513) that I am currently restoring. I used my recently developed 3D adapter to replace the combined 4700/1000uF capacitor with modern, smaller 105C grade cans. Here are a few impressions.This is the original setup:

This is the 3D printed adapter with the new capacitors:
And a detail picture of the connections during the installation process:
And mounted in place. The 3D printed adapter fits into the original capacitor mounting clamp:
After the reservoir caps I also recapped the main board. This shows the original condition:
And after replacing all the Ta and Al electrolytic capacitors:
The sole capacitor on the output relay board will be exchanged once I take the keypad out to install a rebuilt replacement supplied by an expert beofriend in Denmark.






No comments:

Post a Comment

Comments and suggestions are welcome!