Frede had a lid made for my BG3000 Thorens with 12" arm - I had made one previously and had sent him one - his were better as slightly thicker perspex. The replacement doesn't have the trim strip in the picture though.

The platter will be an issue as it has corroded and this will not simply clean off. The platter of the 4000 is more complex than that of the later decks as it is much heavier and has the strobe on it. Don't know of an obvious fix.

Thanks Milton

Looks like Frede may be able to help, will drop him a line.....and Peter yes the stylus is SP15, looks very dirty, looks sort of furry along the stem

poor pic....needs to be clicked to view it

🤒

Ok....powered up and was greeted with a platter that rotates but a pickup arm that remains stationary, the dial indicator lamps are glowing as is the 45rpm indicator lamp. The pickup arm can be driven forwards and backwards manually but that is the extent to the units function. Following the fault finding road map ON with no record turntable runs, does turntable run @ 33rpm No its running at 45rpm, suggests Q4=high yes or no, when I measure at this point in the logic I'm reading 0.4vdc or there abouts, to me this sounds like a low but I'm not sure what voltage level represents high. taking it as a low indicates a check for 24vdc at the collector of 1TR6 which is a No, I can hear the reed relay clicking when I operate the selector from 45 to 33, the platter speed reduces and the rpm indicator lamps change over to 33rpm, however when I let go of the 33rpm switch it reverts back to 45rpm and the 45rpm lamp is illuminated. This all suggests the relay is working, the road map says replace 1TR5, 1TR6...…...does this sound about right?

Craig

When you get to it, I am sure I have a better cartridge you can have - I have never seen a cantilever look like that!!

Pretty special eh! looks like it has been wrapped in some sort of insulation....or growth has started to take hold.....

Ok.....been a little distracted painting the kitchen walls, little guidance required here, the road map leads me to suspect 3IC4....but for clarity I need to be sure that the High level im getting is really high. I'm measuring 4.8vdc as a high (however some of the measurements that may be high are only around 2.9vdc) and the low measurements are around 0.04vdc......

Also ann anyone confirm this odd symbol is 3IC6 output?

This is what I think is the measuring point of the odd symbol, looks a bit like an inverted infinity symbol to me