[TechAssist] Re: RCA PTK169 chassis smps C4108 question
- From: "al m" <ampm@xxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 3 Sep 2003 13:13:58 -0400
I always use the exact replacement, but if you check the other parts in the
power supply, are they the same in both? If so I see no problem. The IC's
are all the same and the outputs are too.
al marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, September 03, 2003 11:48 AM
Subject: [TechAssist] Re: RCA PTK169 chassis smps C4108 question
> 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
> > > Fax (863) 299-8821
> > > email: tjanphyl@xxxxxxxxxxxxxxx
> > > For Professional Technicians Only
> > >
> > >
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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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