[TechAssist] Re: Zenith Projo Model A50M84W1\9-1978 smps,9-1690 Convergence modules.
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 12 Apr 2005 15:59:33 -0400
Mando, just had the same problem. Look at the green tubes neck. Mine had a
flash in it. Bad tube. you can see it light up.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "armando guerra" <birdie@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, April 12, 2005 2:31 PM
Subject: [TechAssist] Zenith Projo Model A50M84W1\9-1978 smps,9-1690
Convergence modules.
> This set came in with pix bowed at top and bottom.Both red and blue way
> out.I replaced both ic's stk-392-110 and R3243 and R3244. R3243 was
> open.After all this,I powered the tv on and did some minor touch-up on
> the convergence and the pix is nice.After running for about 20 to
> 30min,I noticed that the color changes from normal to a high green and
> then goes back to a good pix.I thought a may be a bad green crt but it
> tests ok.
> This set does not use the crt bds that had the R5102 (120K) that would
> open or change in value and would cause this problem.Is there any notes
> on winstips for this model concerning the color change.Maybe someone has
> had this problem and can give me some help.Thanks foer your help.
> Mando
> Birdie's TV & Electronics
> Casa Grande,AZ
>
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