[TechAssist] Re: Technics sa-dx750 stereo amplifier

  • From: "Teltek3" <teltek3@xxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Tue, 22 Jul 2003 06:40:25 -0400

If this unit has 2 transistors(regulators) attached to the heat sink,
resolder them. This is a common problem on these, since it looks like the
Main IC (expensive one) is working.

-Ed-
Ed Gaidies
Tel-Tek Electronics
Ontario-Canada
teltek3@xxxxxxxxxxxx
----- Original Message ----- 
From: "Alvin Rose" <ajroseca@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, July 22, 2003 4:26 AM
Subject: [TechAssist] Re: Technics sa-dx750 stereo amplifier


> Hi Ed
> this model does not have a fan for cooling..
> Teltek3 wrote:
>
> >Alvin;
> >Is the Fan coming on?
> >
> >-Ed-
> >Ed Gaidies
> >Tel-Tek Electronics
> >Ontario-Canada
> >teltek3@xxxxxxxxxxxx
> >----- Original Message ----- 
> >From: "Alvin Rose" <ajroseca@xxxxxxxxxxxxxxx>
> >To: <techassist@xxxxxxxxxxxxx>
> >Sent: Monday, July 21, 2003 9:31 PM
> >Subject: [TechAssist] Technics sa-dx750 stereo amplifier
> >
> >
> >
> >
> >>We have a Technics sa-dx750 stereo amplifier which plays ok for
> >>10 minutes and then shuts down..It will come on again but will shut down
> >>if the volume is increased..then it continually goes on and off..problem
> >>may be in the speaker protect circuit..No diagram.
> >>any help appreciated
> >>
> >>Alvin Rose
> >>Radio & TV Centre
> >>Marystown, Nfld
> >>
> >>
> >>
> >>
> >>
>
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