[TechAssist] Re: Zenith TV B25A02Z Bad picture FIX

It's a common problem on Zenith Projos.
Don't think I've seen it on a direct view.
Thanks for the heads up guys.
walter
--- Hoyt's TV <hoytstv@xxxxxxxxxxx> wrote:

> Ha! I did a Zenith yesterday with the same
> problem.
> 120k resistor from b to c on the red drive
> transistor was open.
> made it look like a bad red gun. 9-1335 board
> 
> Also discovered my B&K CRT tester is kaput.
> reads in the middle of all three yellows on test.
> that's what it's supposed to read on tracking.
> one more thing to fix or get fixed.
> 
> Russ Hoyt
> Hoyt's TV
> Exeter, NH
> 
> 
> ----- Original Message ----- 
> From: "al m" <ampm@xxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, July 30, 2004 11:49 AM
> Subject: [TechAssist] Zenith TV B25A02Z Bad
> picture FIX
> 
> 
> > This set looked like the dreaded CRT problem.
> After checking the resisters
> > on the crt board found 2 open 120K resisters
> and 1 that was way out of
> > tolerance. replacing these fixed set. Checked
> tube and tube checked good.
> > All waveforms looked good up to the board.
> Sorry never wrote down the
> > ref.#'s for the resistors but .....
> > Al Marquardt
> > ampm@xxxxxxx
> > Al Marquardt Electronic Repair
> > 206 W Main
> > Girardville Pa. 17935
> >
> >
> >
> >
>
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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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