[TechAssist] Re: Philips 27PT543S37A Chassis L01.1U AC-7638

  • From: "Shaun" <satguy@xxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Sat, 12 Nov 2005 22:10:03 -0700

That's a good price for the transistor but seems to me if it was a horz
repair kit it would have the culprit 2455 the 47 uf 25 volt cap included. I
installed a BU2508DX after replacing 2455 and the set ran all day and the
transistor stayed cool but I will get the BU4508DX on Monday to be safe.

Shaun
Advanced Electronics
Fort Morgan, CO 80701

satguy@xxxxxxxxxxxxx
----- Original Message ----- 
From: "Carol Rundle" <brundle@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, November 12, 2005 9:16 PM
Subject: [TechAssist] Re: Philips 27PT543S37A Chassis L01.1U AC-7638


> Phil's right about 47uf @25v  H. dr. Lytic (location 2455) can take out
H.O.xistor (7640)    Andrew's Electronics   has OEM  Horiz  repair kit's,
p/n  483531057577  includes,  T8 fuse,   fs diode,  Bu4508dx ,  net $4.00
plus s/h...  part's come in Philips  pkg ! ...
>
> Bill
>   Bill'sTV
>     Sonora,Calif.
>
>
> Phil Bader <tjanphyl@xxxxxxxxxxxxxxx> wrote:
> First, the OEM is not to expensive ( $12.70, Tritronics, part#
> 934055092127) use it.
> There is an electrolytic off pin 3 of the H. drive transformer:
> #2477 (47ufd@25V ESR goes way up.This will destroy the HOT eventually.
> Phil
>
> Philip Bader
> Jan Phyl TV Inc.
> "Confounding the wise since 1976"
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863) 299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
> personal/ alt. email: pbader@xxxxxxxxxxxxxxx
> see our ad at:
>
http://jan-phyl-television-pc-monitor-service.9601288257006.worldpages-ads.com/
>
>
>
> Shaun wrote:
>
> >This set has horz output shorted 7640 (BU4508DX) is there a cross for
this
> >transistor? Is there a common reason this output shorted on these set?
> >Thanks
> >
> >Shaun
> >
> >Advanced Electronics
> >224 West Riverview Ave.
> >Fort Morgan, CO 80701
> >
>
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> Carol Rundle
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