Check also the output valve grid coupling capacitors. If they are leaky, they will allow DC onto the grid, causing the valve to draw excess anode current. That could cause an overload of the power supply and also the burned resistor. Those caps are normally of a very reliable type (mustard colored dry type) but I have seen cases where they were replaced

The Stereo decoder is located to the left of the amplifier section, like this: This particular one is a Dirigent 609 but your 610 is very similar. This one will also need a new pair of output valve sockets. I've found some ceramic ones at Ebay that are very good if you cut the solder pins down to half their supplied width. Martin

Wonderful piece ! Those resistors are safety components, acting as slow blowing fuses. If they open their solder joint, they should be considered defect and a replacement will be needed. Having said that, you can of course solder the tab back onto the resistor as a temporary solution but I suggest you put a voltmeter across the resistor to monitor the

For the occasional ESD repair, I would receommend getting something like this antistatic field kit : http://uk.farnell.com/vermason/j726r/esd-field-service-kit/dp/3550072 Martin

All the Beograms of this range that I've seen here for repairs from the US were 117V only, so I believe that is normal for most US versions. Yes, a step-down transformer will be fine. And finding a stray cartridge head or cover, or even a complete cartridge, inside is not uncommon either. Martin

Good job on the subplatter ! Sorry, but I simply have to ask if you tried the Beogram with a record on the platter ? With no record, it will do exactly as you describe... Martin

Yes, and around two small wheels apprx 15cm apart. This is the same thing from a Beomaster 3000, it's very similar to your Beomaster 4000. You can actually see glue remains on the string from a previous repair: Martin

There is a dial string but it's usually OK. The common fault is the tuning slider breaking off one or two of its tabs at the back. The tabs that grip the dial string. If one or two of the original three tabs are still good, you can simply glue the dial string to the remaining tab(s). Make sure to have the slider aligned according to frequency -

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Good job, Mark ! And thanks for the feedback, greatly appreciated. Martin