[TechAssist] Re: av27920
- From: "Juan Guzman" <j_guzman51@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 13 Jun 2003 19:04:21 -0700
I have changed the zener with no luck, the problem that i see is that there
is no voltages to power the ic that generates the horizontal and vertical
signals, I would appreciate if you email me the schematics.
Thanks:
Juan Guzman
>From: "Barry Thompson" <barrystv@xxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: <techassist@xxxxxxxxxxxxx>
>Subject: [TechAssist] Re: av27920
>Date: Mon, 9 Jun 2003 19:57:46 -0400
>
>Try the zener, if you still need a schematic I can email you one Barry
>barrystv@xxxxxxx
>Barrys TV
>613 224 3406
>Ottawa.Canada.
>----- Original Message -----
>From: "Juan Guzman" <j_guzman51@xxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Monday, June 09, 2003 3:59 PM
>Subject: [TechAssist] av27920
>
>
> > Av27920 is dead.
> > Had shorted vertical output ic.replaced is stiil dead.
> > Checked for shorts and found none.
> > Suspect micro is not allowing horizontal transistor to activate flyback
>to
> > generate the needed voltages.
> > Any suggestions.
> > Also will apreciate if i could get the flyback schematics.
> >
> > Juan Guzman
> >
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