[TechAssist] Re: CTC197 Headaches,
- From: "John @ Myers TV" <myers_tv@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 26 Aug 2004 09:29:01 -0400
Also, don't forget to check the connections on the drive transformer.
John Myers
Myers TV Service Since 1984
Alliance, OH
ph 330-821-6545
myers_tv@xxxxxxxxxxxxx
www.alliancetvrepair.com
"Life moves pretty fast.
If you don't stop and look around once in a while,
you could miss it."
Ferris Beuhler
----- Original Message -----
From: "Edward Gaidies" <teltek3@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, August 26, 2004 8:52 AM
Subject: [TechAssist] Re: CTC197 Headaches,
> Thanks Guys....
>
> I should have asked for this info 3 weeks ago, Might have been fixed by
> now.;-)
>
> Thanks to all, and thanks for attachments.
>
> -Ed-
> Ed Gaidies
> Tel-Tek Electronics
> Ontario-Canada
> teltek3@xxxxxxxxxxxx
>
>
>
>
> On 26-Aug-04, at 8:25 AM, Shoreline Electronics wrote:
>
> > Check these scenarios.
> >
> > On switching supplies like these , I try and check EVERY resistor and
> > diode
> > and transistor in the primary and feedback loop to be safe..time
> > consuming
> > but worth it.
> >
> > Pull the Horizontal output out to prevent any over regulating
> > disasters!
> >
> > ---------------------------------------------------------------
> > Text pasted from WinSTIPS 2.0
> > http://www.ServiceSoftware.com
> > ---------------------------------------------------------------
> >
> > RCA CTC197
> >
> > Repeat Failure Of Regulator.
> >
> > Garris Tv - New Bern, Nc
> >
> > Replaced U14101, Q14101, R14146, R14145, R14125.
> >
> > ---------------------------------------------------------------
> >
> > RCA CTC197
> >
> > Dead, Fuse Blown
> >
> > Bryce - Vision Video Labs, Inc
> >
> > Replace Q14101 (Irf740) #237476, U14101 (Ctda4605-3) #237476 And
> > R14125
> > (100ohm)
> >
> > ---------------------------------------------------------------
> >
> >
> >
> > ==========================
> > Jeff Stielau
> > Shoreline Electronics Repair
> > 344 East Main Street
> > Clinton,CT 06413
> > 860-399-1861
> > 860-664-3535 (fax)
> > jstielau@xxxxxxxx
> > ========================
> > "If you push something hard enough it will fall over."
> > Fudd's First Law of Opposition - Sir Sidney Fudd
> >
> >
> > ----- Original Message -----
> > From: "Edward Gaidies" <teltek3@xxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Thursday, August 26, 2004 8:17 AM
> > Subject: [TechAssist] CTC197 Headaches,
> >
> >
> >> Anyone got any fixes in their database for a CTC197CN1 Model F36685.
> >> Customer said originally set was chirping even though it was not on.
> >> Fuse was blown when I started to work on it, and Q14101 was shorted.
> >> Have replaced Q14101, Also replaced R14146, Turned set on, and
> >> instantly shorted out Q14101 again. Replaced U14101 and Q14101 again,
> >> {now nothing, no relay click, just dead.} This is my first CTC197, so
> >> any help would be appreciated. This is a 36" set and customer is
> >> willing to spend a reasonable amount. I guess what I need is the
> >> Troubleshooting Guide, a some help from some that have had some
> >> personal experience on this chassis.
> >>
> >> Thanks;
> >>
> >> -Ed-
> >> Ed Gaidies
> >> Tel-Tek Electronics
> >> Ontario-Canada
> >> teltek3@xxxxxxxxxxxx
> >>
> >>
> >>
> >>
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