[TechAssist] Re: Help-mag.PTV775-Ah01 low b+
- From: "bob" <bob_whigt@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sun, 23 Sep 2001 13:29:45 -0500
Thank you for the reply damon,this chassis is new to me,anyone have print of
p.s.?I will definitely post the fix on this one.Have a great day
................bob
ELECTRON WORLD
GUTHRIE KY
----- Original Message -----
From: Damon <damon101@xxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, September 22, 2001 7:08 AM
Subject: [TechAssist] Re: Help-mag.PTV775-Ah01 low b+
>
> About all I can say is : Check the power supply
>
> I think I've seen one dead PTV775 in 3-5 years.
> Actually, I think the B+ diode opens on some of these units, and another
> diode tucked in "real close" to the IHVT has been known to short. I wish I
> could give you location numbers, but this is a "mind e-mail file" with a
> visual attachment. Good luck and let us know what you find.
> ----- Original Message -----
> From: "bob" <bob_whigt@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, September 21, 2001 5:11 PM
> Subject: [TechAssist] Help-mag.PTV775-Ah01 low b+
>
>
> >
> > Hey guys
> > Customer said it pop, when the set went off,undo h.v. block no
> highvolt,when
> > press power led is dim only for a sec. then goes off .Collecter hot
volts
> is
> > only 15v.Pulled hot it is ok.checked around chopper with no luck.Any
help
> > data would be appreciated. Thanks in Advance........bob
> > Mag.7P5433 W101
> > PTV775-AH01
> > ELECTRON WORLD
> > GUTHRIE KY
> > 270-466-3807
> > Help make your TechAssist online repair tips
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> > http://www.circuitwork.com/techassist/tip/#tips
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> >
>
> Help make your TechAssist online repair tips
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