[TechAssist] Re: RCA F35676MB CTC197CD Part ID
- From: "J Silverman" <greentron@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 4 Oct 2002 20:58:02 -0400
There is a phenomen called corona discharge that can occur whenever there is
more than 300 volts in air. The discharge produces ultra violet light and
the light gradually damages insulating materials. To minimize this a filler
is used to displace the air. The discharge can still take place in the tiny
air bubbles in the filler and the filler degrades gradually. This is
probably the biggest killer of flybacks, capacitors, and ballasts.
The other biggest problem is moisture working its way in, carrying ionic
contaminents to the windings and rectifiers. Also if the device is not fully
impregnated with filler, windings and connections can vibrate until they
break. And of course lightning can damage anything.
Jerry Silverman
Greentron Inc
4 Newland Ave
Greenville SC 29609
864 232 3889
Fax 271 2080
mailto:greentron@xxxxxxx
----- Original Message -----
From: "kevinstv" <kevinstv@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, October 04, 2002 2:14 PM
Subject: [TechAssist] Re: RCA F35676MB CTC197CD Part ID
>
> What makes flybacks fail? Many years of use--wire windings that are very
> close to each other and have thousands of volts going through them.
> Imperfect manufacture, especially the newer ones with the diodes failing.
I
> don't know exactly. Maybe an engineer could enlighten us!
>
> Kevin Wilks
> Kevin's TV and Video Repair
> Penticton BC Canada
> kevinstv@xxxxxxx
> ----- Original Message -----
> From: "Wayne Vanaman" <wayne@xxxxxxxxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, October 04, 2002 10:47 AM
> Subject: [TechAssist] Re: RCA F35676MB CTC197CD Part ID
>
>
> >
> > OK, what makes them go bad?
> >
> > Wayne Vanaman
> > Omega Electronics
> > 6904 W Fairfield Dr
> > Pensacola, Fl. 32506-3310
> >
> > 850-456-5995 voice
> > 850-458-6369 fax
> >
> > Mailto:Wayne@xxxxxxxxxxxxxxxxxxxxx
> > WWW.PensacolaTVRepair.Com
> >
> >
> > ----- Original Message -----
> > From: "kevinstv" <kevinstv@xxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Friday, October 04, 2002 12:32 PM
> > Subject: [TechAssist] Re: RCA F35676MB CTC197CD Part ID
> >
> >
> > >
> > > As far as I know nothing can destroy a flyback. Anybody have any
> > different
> > > ideas?
> > >
> > > Kevin Wilks
> > > Kevin's TV and Video Repair
> > > Penticton BC Canada
> > > kevinstv@xxxxxxx
> > > ----- Original Message -----
> > > From: "Larry E." <videotech@xxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Friday, October 04, 2002 9:01 AM
> > > Subject: [TechAssist] RCA F35676MB CTC197CD Part ID
> > >
> > >
> > > >
> > > > Hi Guys, Ordered flyback kit 237506 from Excel (overnight) for this
> > > > ctc197cd,contains flyback,capacitor and resistor R14704, pn
239116,
> > > > the resistor is missing from the box, Jason is not in today, and
> nobody
> > > > has called me back from Excel,I don`t know if the replacement
resistor
> > > > that comes in the kit is the same value/wattage as the original in
the
> > > > set,the special instructions sheet that comes with the kit says,
> > > > "failure to replace these components all at the same time may
destroy
> > > > new flyback" can someone give me the value of this "kit" resistor?
tia
> > > > --
> > > > Larry Eastman
> > > > American TV & Electronics
> > > > Crystal River, Fl.
> > > > http://www.tvjunkyard.com
> > > >
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