[TechAssist] Re: Zenith model Z25X22 board no. 9-1808 loses brightness.
- From: walter wood <wwood_38478@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 9 Mar 2002 09:56:23 -0800 (PST)
Thanks guys; checking the G2 with it dark reveled
about 60 volts. checking after pulling the crt
socket off showed 350+. Bingo, bad crt.
Walter
--- Shaun <ssroark@xxxxxxxx> wrote:
> I had one in the shop yesterday that was doing
> that it was the HK short I used my Sencore CR-70
> to fix it. Also I have seen a resistor on the crt
> board open up and cause this problem. I can
> remember the value but there aren't that many on
> there but it was right off the g2 wire on the crt
> board/
> Shaun
> Advanced Electronics
> Fort Morgan, CO 80701
> (970)867-3124
> ssroark@xxxxxxxx
> ----- Original Message -----
> From: Premium Technologies
> To: techassist@xxxxxxxxxxxxx
> Sent: Friday, March 08, 2002 2:25 PM
> Subject: [TechAssist] Re: Zenith model Z25X22
> board no. 9-1808 loses brightness.
>
>
>
> Hi Walter,
> I'd suspect the CRT, you might want to test
> that. Also take a look at the
> center gun, (green), in the neck at the point
> when it goes dark and see if
> you find some arcing going on just prior to
> failure.
> Hope this helps.
> Bill
>
> Premium Technologies
> Ocean Park, WA. 98640
> Phone: (360) 665-5984
> Fax: (775) 860-7747
> email: premtech@xxxxxxxxxxxxxx
> ----- Original Message -----
> From: "walter wood" <wwood_38478@xxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, March 08, 2002 12:25 PM
> Subject: [TechAssist] Zenith model Z25X22 board
> no. 9-1808 loses brightness.
>
>
> >
> >
> >
> > >
> > > This set plays ok for a few minutes then
> goes
> > > very
> > > dark, just has some reddish blue outlines.
> > > When the set is working normally the screen
> (G2)
> > > control works.
> > > When it goes dark the screen control has no
> > > effect
> > > except to vary the focus a little.
> > > no ammount of beating banging or freeze
> spray
> > > changes it.
> > > I suspect the flyback.
> > > Does anyone have a different opinion?
> > > Thanks
> > > Walter
> >
> >
> > =====
> > Walter Wood
> > Future Tech Home Center
> > 2786 Hwy. 43 N.
> > Lawrenceburg Tn. 38464
> > 931-829-3337
> > Fax 931-829-4044
> > mailto:wwood_38478@xxxxxxxxx
> >
> >
>
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=====
Walter Wood
Future Tech Home Center
2786 Hwy. 43 N.
Lawrenceburg Tn. 38464
931-829-3337
Fax 931-829-4044
mailto:wwood_38478@xxxxxxxxx
__________________________________________________
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