[TechAssist] Re: Zenith Z32X31D(GX Chassis) w/9-01812 Module has bad QX3401
- From: "Video Clinic- Pana" <videoclinicpana@xxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 9 Mar 2002 13:49:39 -0600
thanks doug
the doc you sent was stripped off somewhere in the email black hole lol.
at least i didnt get the doc .this is a very good idea and i will use this
next time cause the iso xfmrs are expensive.
roy aka videoclinicpana@xxxxxxxxx
----- Original Message -----
From: "Doug Keller" <dek@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, March 09, 2002 1:36 PM
Subject: [TechAssist] Re: Zenith Z32X31D(GX Chassis) w/9-01812 Module has
bad QX3401
>
> I sent a wordpad .doc file. Anyway, here it is straight out:
>
> If picture tube is shorted, try totally disconnecting and isolating the
filament
>
> power supply from the flyback. Take some wire and put 2-3 wraps around the
> iron core on the flyback and use this for your filament voltage. Make sure
> to do away with any coupling or filter caps on CRT socket, as this has to
> be totally isolated, even if you have to cut or scrape away some of the
copper
> foil. This will take care of a lot of the "blue screen", etc, cathode to
> filament shorts that continuously blow the power supply. Sure beats buying
> an isolation transformer!
> Save this and print it out.
>
>
> Doug
>
> Video Clinic- Pana wrote:
>
> > doug
> >
> > try what?
> >
> > roy aka videoclinicpana@xxxxxxxxx
> > ----- Original Message -----
> > From: "Doug Keller" <dek@xxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Cc: <HarrisTV50010@xxxxxxx>
> > Sent: Saturday, March 09, 2002 10:18 AM
> > Subject: [TechAssist] Re: Zenith Z32X31D(GX Chassis) w/9-01812 Module
has
> > bad QX3401
> >
> > > You don't need one. Try this instead. it works great!
> > >
> > > Doug
> > >
> > > HarrisTV50010@xxxxxxx wrote:
> > >
> > > > Where do I get an isolation transformer to isolate CRT from power
supply
> > > >
> > > > Thanks,
> > > > Dale
> > > >
> > > > Dale A. Lubow... HarrisTV50010@xxxxxxx
..515-232-1109..(Fax)515-232-3356
> > > > Harris TV & Appliance..........335 Lincoln
> > > > Way.....Ames.....Iowa.....50010-3384
> > > >
> > > > In a message dated 3/8/02 9:26:42 PM Central Standard Time,
> > > > videoclinicpana@xxxxxxxxx writes:
> > > >
> > > > > dont for get to add an isolation transformer in the filament
circuit
> > to
> > > > > isolate the pix tube from the power supply.. ive had very good
luck
> > with
> > > > > this.
> > > > >
> > > > > roy aka videoclinicpana@xxxxxxxxx
> > > > >
> > > > > ----- Original Message -----
> > > > > From: "Jeff Dougherty" <jeff@xxxxxxxxxxxxxxxxxx>
> > > > > To: <techassist@xxxxxxxxxxxxx>
> > > > > Sent: Friday, March 08, 2002 6:38 PM
> > > > > Subject: [TechAssist] Re: Zenith Z32X31D(GX Chassis) w/9-01812
Module
> > has
> > > > > bad QX3401
> > > > >
> > > > >
> > > > > >
> > > > > > Dale,
> > > > > > Replace the cap next to the regulator, AND the regulator.
> > > > > > Also advise the customer, these parts may have failed due to an
> > > > > intermittent
> > > > > > short in the picture tube, your repair may last a week or
several
> > months.
> > > > > > Jeff
> > > > > >
> > > > > > FAX 717-564-4952
> > > > > > Jeff Dougherty
> > > > > > Intrepid Video & Electronics
> > > > > > 501 Luther Rd
> > > > > > Harrisburg, PA 17111
> > > > > > 717-909-8844
> > > > > > VCR tips, electronics info & general interest.
> > > > > > www.intrepid-video.com www.tech-repair.net www.thetoolcaddy.com
> > > > > >
> > > > > >
> > > > > > ----- Original Message -----
> > > > > > From: <HarrisTV50010@xxxxxxx>
> > > > > > To: <techassist@xxxxxxxxxxxxx>
> > > > > > Sent: Friday, March 08, 2002 10:38 AM
> > > > > > Subject: [TechAssist] Zenith Z32X31D(GX Chassis) w/9-01812
Module
> > has bad
> > > > > > QX3401
> > > > > >
> > > > > >
> > > > > > >
> > > > > > > We are working on a Zenith Model# Z32X31D, GX Chassis, Main
Module
> > #
> > > > > > 9-01812
> > > > > > >
> > > > > > > It has a Shorted QX3401, open RX3404, RX3406 & FX3401.
> > > > > ICX3431(STR53041)
> > > > > > > seems to be OK when checked with an ohm meter. Does any one
have
> > any
> > > > > ideas
> > > > > > > what might have caused this and are there any other parts that
> > normally
> > > > > go
> > > > > > > bad?
> > > > > > >
> > > > > > > Thanks,
> > > > > > > Dale
> > > > > > >
> > > > > > > Dale A. Lubow... HarrisTV50010@xxxxxxx
> > > > > ..515-232-1109..(Fax)515-232-3356
> > > > >
> > > >
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> > >
> > > --
> > > Doug Keller
> > > Wis-Kel Electronics
> > > 101 Freeland Ave.
> > > Terra Alta, WV
> > > USA 26764
> > >
> > >
> > >
> > >
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> --
> Doug Keller
> Wis-Kel Electronics
> 101 Freeland Ave.
> Terra Alta, WV
> USA 26764
>
>
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