[TechAssist] Re: Magnavox 27TS54C101 Repeat Vertical failure
- From: <jose.aviles7@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 13 May 2003 21:35:51 -0700
John
I believe that TP5 should be 26V if i`m correct. Did you check R445(1 ohm
1/4 resistor) and D445 for short or open.
Jose
Aviles Computer & TV Repairs
508 Bingaman St
Reading, PA
Fax # 1-610-375-3766
----- Original Message -----
From: "John Florea" <Watcher-@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, May 13, 2003 6:16 PM
Subject: [TechAssist] Re: Magnavox 27TS54C101 Repeat Vertical failure
>
> Ok, I typed in repeat vertical failure in the archives, and it came up
with
> C447. I am going to replace that along with the new output. I am only
> getting 11.5 v on TP5.
>
>
> John Florea Jr. Affordable Electronics Tumwater Washington.
>
>
> ----- Original Message -----
> From: "John Florea" <Watcher-@xxxxxxx>
> To: "techassist" <techassist@xxxxxxxxxxxxx>
> Sent: Tuesday, May 13, 2003 5:54 PM
> Subject: [TechAssist] Magnavox 27TS54C101 Repeat Vertical failure
>
>
> > Does anyone know why this unit might have a repeat failure of the
> vertical? I replaced the output, and D409 and R420. I also replaced IC346.
> Set came up fine on the bench, I let it run for 25 mins. Checked the temp
on
> all components, no problems. I put the cover back on and fired it up for
> burn-in, and the vertical went nuts. I have gone over the entire board
with
> a magnifying glass and a DMM there are no breaks or bridges causing this.
I
> only use Philips components, and I suppose it might just be a bad part,
> but...before I go putting another one in there, I thought I would check to
> see if anyone else had this happen before. Thanks in advance, John.
> >
> >
> > John Florea Jr.
> > Affordable Electronics
> > Tumwater Washington.
> >
> >
>
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