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Showing posts from December, 2018

Trio Kenwood KD-1033 turntable main bearing service

  One of my first posts in this blog was regarding the servicing of the Pioneer PL12D turntable, and that has proven to be the most popular by a significant margin. The Pioneer PL12D had its competitors, and probably the most popular alternative was the Trio Kenwood KD-1033 turntable. I use both names (Trio and Kenwood) as the company operated under different names in different markets. In the UK they were Trio, possibly because the brand Kenwood was most famous here for food blenders. 95% of a KD-1033 is similar to  Pioneer PL12D, and servicing them is very much the same process. Both are belt drive , have an AC synchronous motor,  mechanical speed change , a main bearing, sprung top deck and rubber motor mounts. the KD-1033 uses a different type of anti skate mechanism, employing a thread and weight. The plinth is shallower with an internal cross brace. One aspect that is different is the design of the main bearing, and servicing it is a little harder than a PL12D. The Pioneer main b

Restoring a Harmon Kardon T40 turntable

A good friend recently spotted this turntable, being sold on ebay, buy it now at a reasonable price , and very close to where I live. We had both commented  in the past that the Harmon Kardon T40 was a nice looking deck, with it's deep platter and champagne colour, so it was impossible to resist. Not that well known in the UK, and advertised as not working, with a hinge missing and a burn on the lid. I bid, won and collected it from the seller, who was very helpful , and it was exactly as described. Upon inspection the main problem with the deck not starting was due to the belt having petrified  and broken into small pieces. the motor worked as I lifted the arm across the platter and appeared to correctly eject the arm at the end of side position. The motor turned fine. As well as the drive belt, the 4 rubber feet had also aged badly. As you can see from the picture ,all that remained was the 4 springs and parts of the rubber cup. I think there would have