[TechAssist] Re: Toshiba CX3586A/TAC9191 Shut Down
- From: Perry Alevras <palevaras@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 2 Jun 2005 06:22:39 -0700 (PDT)
Thanks Eric,
I'll give it a try and let you know if
that takes care of it.
--- Eric Manuel <tvman@xxxxxxxxxxxxxxx> wrote:
> Perry something to check Eric
>
> CX3586a, TAC9191 no power, relay may click on
> plugin' and
> shutdown C871, 22uf@50v
>
> TAC9191 Dont come on, relay clicks.
> Replaced C871 (22uf/50v
> 105') on power board.
>
>
> Eric
> E M Electronics
> Deer Lake Nfld
> Canada
> tvman@xxxxxxxxxxxxxxx
>
> Perry Alevras wrote:
> > This unit will shut down immediately after
> power
> > on.The high voltage comes up to full
> output.Went
> > over this thing with a fine tooth comb for
> > solder and cracks .I found that on standby,
> > something is pulling hard on the 12V
> Regulator,
> > bring it down to 5V(U801 MC7812CT).Replaced
> it
> > just for grain's .Used Toshiba parts of
> course.
> >
> > Parts replaced on power board PB1797.
> > IC801 STR-S6501,Q845 S1854,& Q862
> 2SC1815.
> > I am focusing on the control processor
> IC501
> > (B0383693/TA8745DN)which I have not found
> a
> > replacement for.Thought this would be a
> good
> > time to get some insight.
> >
> >
> >
> >
> >
>
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Perry Alevras AVT
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