[TechAssist] Re: RCA TV CTC169 regulator circuit capacitors
- From: greentron@xxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Sun, 15 Feb 2004 01:33:50 +0000
When selecting a different capacitor than the original, it depends on what it
does in the circuit, so you have to know something about electronics to make an
intelligent choice. Also wet aluminum electrolytics are unstable, changing
capacitance with age, temperature, and even DC bias, so they are not used where
the value is critical. They are usually conservatively selected so that the
circuit will keep working even though the capacitance is changing. Generally
speaking there is nothing wrong with paralleling capacitors and you find it
done in a lot of circuits.
J Silverman
> The TV Police are on their way with a big Fine.
>
> Not a bad name for a TV show - "The TV police"
>
>
> Steve Hearns
> Technotronic Dimensions, NY [USA]
> WWW.TECHNOTRONIC-DIMENSIONS.COM
> 1-877-817-9885 (Voice / Fax Toll Free - US Only)
>
>
> ----- Original Message -----
> From: "Shoreline Electronics" <jstielau@xxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Saturday, February 14, 2004 3:02 PM
> Subject: [TechAssist] Re: RCA TV CTC169 regulator circuit capacitors
>
>
> I confess...I have for years!
>
> =================================
> Jeff Stielau
> Shoreline Electronics Repair
> 344 East Main Street
> Clinton,CT 06413
> (860)399-1861
> (860)664-3535 FAX
> jstielau@xxxxxxxx
> =================================
> ----- Original Message -----
> From: "Gary McCartney" <gary@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Saturday, February 14, 2004 1:59 PM
> Subject: [TechAssist] RCA TV CTC169 regulator circuit capacitors
>
>
> > Has anyone ever used a 10uF 50V and 4.7 uF 50V in parallel to replace
> > the 15uF cap (C4102 or C4104?) in the CTC169 regulator circuit? I can't
> > see off hand there being any problem doing so but thought I'd make sure
> > from anyone who has installed them that way before. I am out of stock on
> > the 15uF cap and don't want to place an order just for those. Or is it
> > ok to use a 22uF instead?
> >
> > Thanks for any help.
> > --
> >
> >
> >
> >
> > Gary McCartney
> >
> > McCartney Electronics
> > Guelph Ontario Canada
> > Est. 1984
> > email: gary (at) number63.ca
> >
> >
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