[TechAssist] Re: (Archive Copy) Re: Zenith A50M91W9
- From: "info" <info@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 16 Mar 2002 21:24:46 -0600
Well, posibly touch a connector to ground.... and now the B+ is low, about
67 Volts....but power on and sound is high, the video is reduced like a
regulator bad. They have 2 mosfet to reg 115 v and other voltages. I check a
lot of protection and fuses and all is ok, really have my head confuss.
Ruben
----- Original Message -----
From: "Shaun" <ssroark@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, March 16, 2002 6:53 PM
Subject: (Archive Copy) [TechAssist] Re: Zenith A50M91W9
>
> Make sure none of the screws feel into the chasis if all you did was clean
> it.
>
> Shaun
> Advanced Electronics
> Fort Morgan, CO 80701
> (970)867-3124
> ssroark@xxxxxxxx
> ----- Original Message -----
> From: "info" <info@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Saturday, March 16, 2002 3:20 PM
> Subject: [TechAssist] Zenith A50M91W9
>
>
> >
> > This unit was open to clean the mirror, after that the power supply just
> > give 60 Volts (maybe some short circuit?)......I check the regulator and
> ok,
> > change a MC34065P but dont start up with new circuit. Any help is very
> > appreciated.
> > Ruben V.
> >
> >
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