 |
 |
Isn't this the second time 'round for this discussion? Peace, Paul Stamler On 9/28/2018 1:57 PM, Mickey Clark wrote: > Hello-It wasn't stated if the noise is found in one channel or both. The > trick is to work backwards in the circuit and reach the point where the > noise is introduced . A signal tracer would find the issue. > > Ceramic capacitors are usually stable for the life of the unit. I would > look for an electrolytic coupling capacitor that might have dried out - > and if individual transistors are used in the circuit, then replacements > are likely available. > > Integrated circuits would possibly be more problematic, but that's where > a parts donor could solve the problem. > > If the problem affects both channels, then a power supply issue could be > causing it. - Mickey > > Mickey Clark > M.C.Productions Vintage Recordings > 710 Westminster Avenue West > Penticton BC > Canada > 250-462-7881 > V2A 1K8 > http://mcproductions.ca > 1-250-462-7881 > > > > -----Original Message----- From: Lou Judson > Sent: Friday, September 28, 2018 11:38 AM > To: [log in to unmask] > Subject: Re: [ARSCLIST] TEAC A-2340 "white" noise > > Sorry, just noticed the �white� in the subject� > <L> > Lou Judson > Intuitive Audio > 415-883-2689 > > On Sep 28, 2018, at 9:32 AM, Lou Judson <[log in to unmask]> wrote: > >> If you want a response, you should add it to the reply to field! :-) >> >> What sort of noise? Steady state white noise? Crackly irregular noise? >> Hard to believe he can�t trace it; at some point it is there and >> before that point it isn�t. Is it in playback, source monitor, or >> both? If on playback, it could be the source/tape switches, that >> happens on my Sony 4 track sometimes. >> >> I think - not sure - that a deck of that vintage can have compoments >> replaced on all the boards individually; not needing complete board >> replacement� and there are units on ebay for $149 to 600 which you >> could get as a parts donor� >> >> Best luck! >> >> <L> >> Lou Judson >> Intuitive Audio >> 415-883-2689 >> >> On Sep 28, 2018, at 9:03 AM, 6295LARGE <[log in to unmask]> wrote: >> >>> Hello everybody. >>> >>> I have a TEAC A-2340� which has a noise that my repair guy cannot >>> fix. He's >>> been in the business for some 35 year, but cannot trace this noise to >>> its >>> source.� He said it might be the board which no one can fix or replace. >>> Does that make sense?� Can anyone suggest a solution? >>> >>> Thanks. >>> Ben Roth >>> P.S.� PLEASE RESPOND TO [log in to unmask] >>> >> > --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus