[TechAssist] Re: Zenith model Z25X22 board no. 9-1808 loses brightness.
- From: "Shaun" <ssroark@xxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 8 Mar 2002 17:42:56 -0700
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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