[TechAssist] Re: 2nd post JVC MX-D401T no audio
- From: becyn <becyn@xxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 24 Jun 2005 14:14:48 -0400
some of those have "mute pins" on the IC which is controlled by the micro .
others have "line mute " transistors .
Ocassionally when the IC get blasted well enough, it kicks back into the
line
inputs and destroys the mute transistors.
Did you check the line out jacks and/or IC inputs for audio?
Jim McVey
McVey Alltronix
327 Broadway
Newburgh N.Y. 12550
"If it doesn't play...
CALL MCVEY !!!!!!"
Factory authorized
service for over 20
major brands.
845 561 8383
(Last of the Mohegans)
D Trippel wrote:
>Hello
>Well I'm still struggling with this crappie mini stereo. I replaced both
>output ic's. They where both blown. I now have +36 and -36v to outputs.
>I have a good imput signal,But no output at the ic's. There is no dc
>present at the outputs and the speaker relay turns on at start up. I
>have replaced many outputs in the past ,in other brand names . Other
>than the fact that you have to virtually gut these things to replace a
>part ,they are normal easy to fix. Not this one! I can't find a damaged
>component other than the outputs.Any help would be greatly appreciated.
>Thanks!
>
>Don Trippel
>Don's Electronics
>Rosthern,Sask
>Canada
>
>
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