[TechAssist] Re: Sony KV20EXR20 IC651 runs too hot
- From: MagLfixIt4ya@xxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 8 Feb 2002 12:26:51 EST
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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