[naktalk] BX-2 problem (again)

[Ron]

It is. But a good signal tracer on ebay will include
inputs for RF and AF, bring out connections for the
speaker and output transformer, look better and cost
less than the parts for a DIY.

Mine is an EICO 147A and includes simple facility to
easily measure line power for the unit under repair.
Building one from scratch would be a major hassle.

-- Ron



Antoine Deschênes wrote:

 > I need a scope anyways. Isn't a signal tracer a simple thing you can DIY?
 >
 > Antoine Deschênes
 >
 >
 >
 > Ron a écrit :
 >
 >>
 >> Not really. A signal tracer will do just fine.
 >>
 >> -- Ron
 >>
 >>
 >> Antoine Deschênes wrote:
 >>
 >>> OK. First have to buy a scope.
 >>>
 >>> Antoine Deschênes
 >>>
 >>>
 >>>
 >>> Ron a écrit :
 >>>
 >>>> Antoine,
 >>>>
 >>>> It looks like you have an intermittent problem in
 >>>> the record path of the deck. This could be just
 >>>> about anywhere, including the Dolby circuit. It's
 >>>> unlikely in the MPX filter, because you it happens
 >>>> with the filter off.
 >>>>
 >>>> The way to deal with this is to open up the deck
 >>>> on the bench, run a recording, then wait for the
 >>>> problem to occur as measured at the head. Then,
 >>>> trace the signal from input to the head. Like all
 >>>> intermittent problems, this can be time
 >>>> consuming -- not to say, frustrating -- repair.
 >>>>
 >>>> -- Ron

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