[TechAssist] Re: Sony KV20EXR20 IC651 runs too hot
- From: "Shoreline Electronics" <jstielau@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 8 Feb 2002 10:14:17 -0500
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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