[TechAssist] Re: Fixed! Sony KV20EXR20 IC651 runs too hot
- From: MagLfixIt4ya@xxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 8 Feb 2002 17:43:24 EST
In a message dated 2/8/2002 3:06:15 PM Eastern Standard Time,
MagLfixIt4ya@xxxxxxx writes:
> Subj:[TechAssist] Re: Sony KV20EXR20 IC651 runs too hot
> Date:2/8/2002 3:06:15 PM Eastern Standard Time
> From:<A HREF="mailto:MagLfixIt4ya@xxxxxxx";>MagLfixIt4ya@xxxxxxx</A>
> Reply-to:<A
> HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx</A>
> To:<A HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx</A>
> Sent from the Internet
>
> Thank you Jeff, the set has been playing for a good 3 hrs now, I believe it
> was the cap near the hybird, I did solder around the area too and replaced
> a few caps near the IHVT. Don
>
> In a message dated 2/8/2002 10:37:09 AM Eastern Standard Time,
> jstielau@xxxxxxxx writes:
> Thank you Jeff, I will check that, I knew they run hot but this seemed
> excessive
>
> > Subj:[TechAssist] Re: Sony KV20EXR20 IC651 runs too hot
> > Date:2/8/2002 10:37:09 AM Eastern Standard Time
> > From:<A HREF="mailto:jstielau@xxxxxxxx";>jstielau@xxxxxxxx</A>
> > Reply-to:<A
> > HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx</A>
> > To:<A HREF="mailto:techassist@xxxxxxxxxxxxx";>techassist@xxxxxxxxxxxxx</A>
> > Sent from the Internet
> >
> >
> >
> >
> > Don,
> >
> > It is normal for these to run searing hot ! Your shutdown problem may be
> > else where. As long as the B+ is stable from the STR circuit , it should
>
> > be
> > OK.
> >
> > Double check the main board for poor connections on all the heatsinked
> > devices & TO220 type cases.
> >
> > Check electrolytics around the hybrid shutdown IC ( The stand up greenish
> > IC near the H-sweep circuit)
> >
> > Jeff Stielau
> > Shoreline Electronics Repair
> > 125 Beech Tree Lane
> > Westbrook, CT 06498
> > 860-399-1861
> > 860-664-3535 (fax)
> > ----- Original Message -----
> > From: <MagLfixIt4ya@xxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, February 08, 2002 10:04 AM
> > Subject: [TechAssist] Sony KV20EXR20 IC651 runs too hot
> >
> >
> > >
> > > Hello all, IC651 STRS6301 (no suffix "A") gets way too hot, after only
> 10
> > min
> > > of play the heatsink cannot even be touched and the set intermittently
> > shuts
> > > down, it may take minutes, may take hours or even days but it will shut
> > down,
> > > I replaced it along with all the electrolytic caps on that board and
> > Q611,
> > > same thing, B+ is normal and steady, I have no print so Im not sure of
> > the
> > > other outputs, anyone have past experience with wht might be causing
> > this?
> > > Any help is appreciated.
> > > Don from Affordable Electronics
> > > 153 Garfield Place
> > > Brooklyn, NY 11215
> > > 718-788-0384
> > > 718-788-2326 fax
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