[TechAssist] Re: RCA PTK169 chassis smps C4108 question
- From: Philip Bader <tjanphyl@xxxxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 03 Sep 2003 11:48:18 -0400
I didn't mention the working voltages (I re-read my post to be sure) I
was referring to the difference between some versions using a 47 mfd in
stead of the 39 mfd, and can either be used,or must I stay with the
exact capacative value.
Phil Bader
Gary McCartney wrote:
>
> I don't know if you "have to" use the 39uF 100V but I have been doing
> so. I get them at Digikey but they only go as high as 63V, at least the
> last time I ordered. I haven't had any problems with returns using a 63V
> cap rather than 100V as suggested. Why would they ask for 100V when the
> 47 uF is only rated 50V?
>
> Gary McCartney
>
> McCartney Electronics
> Guelph Ontario Canada
> Est. 1984
> email: gary (at) number63.ca
>
> Philip Bader wrote:
> >
> > In this P46770CKLG1 / PTK169AAS projo I am troubleshooting a dead smps
> > after storm.Changing smps IC U4101 and the surrounding lytics while I'm
> > in there(one was open).
> > Question: C4108 is a 39 mfd electrolytic. The schemo has next to this
> > printed value in "( )" 47 mfd as well.
> > Is this value critical or can I sub to the 47mfd since I have this in
> > stock?
> > I have had SMPS parts kits for the 169's that used a 47 as general
> > replacement for smps C4108.
> > If it used a 39 must I replace it as same?
> > Phil Bader
> > --
> > Philip Bader
> > Jan Phyl TV Inc. (estab. 1976)
> > 3420 Recker Hwy. Winter Haven, Fl. 33880
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--
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
For Professional Technicians Only
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