Beomaster NR 2200 type 1601 volume problem

22 replies

Well I got the rest of the caps for the tone board in today and set about trying to get this thing finished, after finishing the recap I de soldered the balance pot again for another go....this time I hit the two plates with a bit of heat from the iron effectively gluing them back in place....after doing this I carefully bent them evenly, then I reassembled....with success! its now fully operational!

Very happy with my handy work I set about full reassembly of unit, but prior to this quickly retested all functions.....Damn! more problems....I now have a problem with FM, no sound at all.....I then pulled the tuner boards again and checked for loose connections, reassembled... got sound but couldn't pull a station....repeated process and now no sound again.....bit frustrated now.....the tuner board was particularly difficult to get one cap out of, Ive checked the coax lead and all solder joints....I am now worried I may have blown an IC handling the board....bit stuck right now, Suggestions?

As far as everything else goes, big improvement on frequency response after re capping tone board, I am listening to the system now, with s-40 speakers that have just been refoamed, and it sounds very sweet....its going to make someone very happy....if I ever get it off my bench! lol...lots of hours gone in now....

Update....problem was a broken wire coming off tuner board....good thing it happened though as I also had a bad solder joint on one of the new caps.....

Well I've got to say, this thing sounds really good...when I had finished re foaming speakers initially I wasn't happy with them at all...that was hooked up to a nice Marantz receiver....but now married with the B&O they sound great...lots of detail and a nice snappy bass.....need to do a little more work on them as I believe the plastic baffle isn't sealed properly on one of the cabs causing vibration.....but yeah...very nice little set up this one.....

All that's left to do now is fix this broken plastic lid button, and sort out the hinge......then I will be looking at refinishing the rose wood panels and speaker veneer....

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