retro.addict - 2008-07-28 09:54
It didn't work when I tried it last night. It doesn't matter which way I turn the knob, it doesn't make any difference to the sound either from the woofers or headphones. I've sprayed contact cleaner in the pot and exercised it, with no results... HELP!
geoffhartwell - 2008-07-28 09:58
i had to do my 767 3 or 4 times before im started working, dont know if that will help
Thanks, I'll keep trying the old Servisol Super 10.
I dont want to be the bringer of bad news but i have the same prob with my conion the spray did nothing i have a feeling something has blown in both cases.
This may or may not be the case, but I read somewhere that spraying TOO MUCH contact spray, or contact spray which may be a little more powerful can actually STRIP the copper conductor film off of pots and switches, thus rendering them useless.
I got my Conion which sounded bad, so I sprayed contact spray into the volume, balance, bass and treble knobs/pots, and for a good 10 to 20 seconds it sounded amazing, and then nothing. I mean, I couldnt control any of those specific controls. The volume is always on high, high treble, low bass. It doesnt matter what I do, there is no difference when turning anything.
Bummer.
quote:
god bless RA i wish you all the luck in the world lad.
quote:
Originally posted by beatbox:
This may or may not be the case, but I read somewhere that spraying TOO MUCH contact spray, or contact spray which may be a little more powerful can actually STRIP the copper conductor film off of pots and switches, thus rendering them useless.
I got my Conion which sounded bad, so I sprayed contact spray into the volume, balance, bass and treble knobs/pots, and for a good 10 to 20 seconds it sounded amazing, and then nothing. I mean, I couldnt control any of those specific controls. The volume is always on high, high treble, low bass. It doesnt matter what I do, there is no difference when turning anything.
Bummer.
Bummer indeed. Sorry to hear that, beatbox.
That sounds a desperately frustrating, disheartening thing to happen with such a monster of a box, to have all that power and sound potential there, and you can't use it!
I tried it again last night, and it's definately had it. I think the bass is stuck at half way. This box isn't a bass monster at the best of times, now it's worse! I've recieved a PM from a fellow member saying he will sell me one of his two fully working TRK-8200's. The deck has never worked in mine while I've had it, so having one with a working deck would be really nice! I'm pondering the idea...
well it may need the pot replaced,if you get that used one you may be better off--making 2 radios to one good one--
Sounds like a plan ramon, especially if mine is in better visual condition than his. I could then swap the insides over.
My 8200 volume pot quit working, and I got an almost exact replacement at allelectronics.com. The bass pot looks like it could take CAT# LPF-50K, though I'm not sure if it is 50K or not. They are really cheap, and worth a shot if you can do some solder surgery!
If you do open up the boombox, find the pot in question, it will probably have 3 prongs where it connects to the curcuit board, if you take a flat head screwdriver and short two of these together( you will have to experiment with combination) and full bass returns, you will have to replace the potentiometer. If the bass will not increase, the problem will be in the bass preamp curcuit. Hope this helps.
quote:
Originally posted by Retro Addict:
It didn't work when I tried it last night. It doesn't matter which way I turn the knob, it doesn't make any difference to the sound either from the woofers or headphones. I've sprayed contact cleaner in the pot and exercised it, with no results... HELP!
