[sebhc] H89 strange problems....

[Robin England]

Thanks guys! I was beginning to think I was going crazy! I'll replace the
bridge rectifier and solder the connections directly, will let you know the
results!


----- Original Message ----- 
From: "Joe Smith" <bandit1921 at cox.net>
To: <sebhc at sebhc.org>
Sent: Wednesday, January 18, 2006 5:37 PM
Subject: Re: [sebhc] H89 strange problems....


> I used the big rectifier that Radio Shack used to carry..Part NUmber
> is: 276-1185
>
> At 11:56 AM 1/18/2006 -0500, you wrote:
> >    Robin;
> >
> >    Those are hum bars in your video, and your troubleshooting is in
> > the right area -- the power supply.  One weak point in these units
> > is the bridge rectifier.  It's the large one in a metal case with
> > four push-on terminals. Replace it with one rated for higher current.
> >
> >    While you're at it, replace the connectors with soldered
> > connections to both ends of the wiring to the bridge.  The molex
> > connector would frequently fail from overheating due to the current
> > it carried.  Soldering the wires to the bridge and the circuit
> > board will remove this as a future problem.
> >
> >    After fixing many of these back in the day, I sent it in to
> > Heath/Zenith and they published it as a service note.
> >
> >    Paul Pennington
> >    Augusta, Georgia
> >--
> >Delivered by the SEBHC Mailing List
>
> Joe Smith
> joebandit
> jtsdadinaz
> Conbuilder debugger /Programmer
>
> --
> Delivered by the SEBHC Mailing List

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