[TechAssist] Re: Magnavox 20MS233S
- From: "tvservice" <tvservice@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 8 Dec 2005 16:58:49 -0600
sleeted and iced over last night but sunny and clear here today.
sorry I don't have any other fixes
Robert
tvservice@xxxxxxxxxxxxx
H & H Electronics Inc
http://supertek.igniteinc.biz
----- Original Message -----
From: "Old TV Man" <mebonnell@xxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, December 08, 2005 4:23 PM
Subject: [TechAssist] Re: Magnavox 20MS233S
> Thanks Robert but I have checked that and I have 8 volts for the couple
> of seconds that it stays on.
>
> It is snowing here. Have abot 4 inches.
>
> Max Bonnell
> Bonnell TV
> Robinson, IL
>
> Sender: techassist-bounce@xxxxxxxxxxxxx From:
> tvservice@xxxxxxxxxxxxx(tvservice) Date: Thu, Dec 8, 2005, 4:19pm To:
> techassist@xxxxxxxxxxxxx Subject: [TechAssist] Re: Magnavox 20MS233S
> Reply=A0to: techassist@xxxxxxxxxxxxx
> from Force32 program
>
> SYMPTOM: Dead set, goes into protection in seconds after turn on.
>
> CLUE: No scan derived 8 volts
>
> CAUSE: Open copper at pin 3 of Flyback, just at edge of pin 3 solder.
> CURE: Flow Solder from pin to copper
>
> Applies To:
> 13J8, 13MT143S, 13PR20C121, 19J8, 19PR21C121, 19PR21C122, 19PR21C125,
> 19PR21C222, 19PS57C121, 19PS57C125, 20J8, 20MS233S, 20MT133S,
> PR1306C121, PR1320C121, PR1392X121, PR1906C121,
>
> Robert
> tvservice@xxxxxxxxxxxxx
> H & H Electronics Inc
> http://supertek.igniteinc.biz
>
> ----- Original Message -----
> From: "Old TV Man" <mebonnell@xxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Thursday, December 08, 2005 4:08 PM
> Subject: [TechAssist] Magnavox 20MS233S
>
> I am going to try this one more time before I throw it in the wabash
> river.
> When I hit turn on I have a couple of seconds to take measurements. Then
> I have to unplug it to turn it on again. By doing this several times I
> found that the HOT has 90 vots on collector. Horiz. driver has 20.2.
>
> All voltages on the vert. IC are good.
>
> These voltages stay on for about 2 seconds. You can see a picture just
> before it shuts off.
>
> Max Bonnell
> Bonnell TV
> Robinson, IL
> ----------------------------------------------
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