[TechAssist] Re: Philips Magnavox TP3681C101 chassis 36D700-7570
- From: "J Silverman" <greentron@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Tue, 19 Nov 2002 15:31:50 -0500
Thats not a bypass capacitor. Its part of the resonant flyback circuit. It
affects the horizontal sweep width and the amplitude of the high voltage.
Sometimes two capacitors are used in parallel so that if one opens the other
one is still there to limit the high voltage.
Jerry Silverman
Greentron Inc
4 Newland Ave
Greenville SC 29609
864 232 3889
Fax 271 2080
mailto:greentron@xxxxxxx
----- Original Message -----
From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, November 18, 2002 4:03 PM
Subject: [TechAssist] Re: Philips Magnavox TP3681C101 chassis 36D700-7570
>
> Thanks,
>
> The way I figure it, a 2200 pF cap bypassing a HOT collector to ground
> should pass the same noise as a 1200 pF cap + some slightly lower
> frequencies, nowhere near the horizontal output range. As long as the
> waveform is stable, well timed, the cap isn't getting hot, and the voltage
> rating is the same, it should be an acceptable sub, actually a better
part.
>
> Normally, I would not substitute this part, but Tritronics (who I normally
> use for parts) doesn't have it in stock. Vance Baldwin does, but at $2.95
+
> shipping for the cost to get it, I'll give the customer the option when I
am
> confident my sub is going to be reliable.
>
> Any comments?
>
> Leonard G. Caillouet
> Service Manager
> Electronics World
> Gainesville, FL
> 352-332-5608
> 352-332-5668 (fax)
>
> ----- Original Message -----
> From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, November 18, 2002 2:56 PM
> Subject: [TechAssist] Re: Philips Magnavox TP3681C101 chassis 36D700-7570
>
>
> >
> > Philips Force 32 for THAT particular model indicates 2634 is N/U (not
> used).
> > 2633 is listed as a 1200pf, 10%, 2KV, ceramic, part# 202055890488.
> >
> > Bob Waterman, CET® #RI-28
> > Master Technician License #9109
> > Service Manager
> > Gemini Computer, TV, & Security Alarms
> > (508)695-7302
> > (508)695-7769 FAX
> > geminitv@xxxxxxxxxxxxxxxx
> > geminitv@xxxxxxx
> >
> > ----- Original Message -----
> > From: "Leonard G. Caillouet" <lcaillo@xxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, November 18, 2002 2:40 PM
> > Subject: [TechAssist] Philips Magnavox TP3681C101 chassis 36D700-7570
> >
> >
> > >
> > > Need value or part number for bypass cap on HOT collector to ground
> > numbered
> > > 2633 or 2634. Cap is charred and the location number is unclear.
> > Installed
> > > .0022uF/2kV ceramic and output waveform looks clean, solid & cap does
> not
> > > get hot, timing of output waveform is good. I think this should be a
> good
> > > value but would like to confirm it.
> > >
> > > Leonard G. Caillouet
> > > Service Manager
> > > Electronics World
> > > Gainesville, FL
> > > 352-332-5608
> > > 352-332-5668 (fax)
> > >
> > >
> > >
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