[TechAssist] Re: Magnavox 20MS233S
- From: mebonnell@xxxxxxxxx (Old TV Man)
- To: techassist@xxxxxxxxxxxxx
- Date: Thu, 8 Dec 2005 16:23:34 -0600
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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