[TechAssist] Re: CTC197CD RCA

  • From: "Paul Gendreau" <paul@xxxxxxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Sat, 14 Feb 2004 08:07:37 -0500

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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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RCA   CTC197

Video No Go After Flyback Replaced



C15102 Was Leaky But Only Way To Tell Removing It From The Crt Board.  Value
Is 102k @ 3kv

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RCA   CTC197

Video No Go After Flyback Replaced - 0 Vdc On The Yellow Screen Voltage Wire



Defective Crt Socket (It Was Burnt From The Defective Flyback?) The Screen
Pin On The Socket Showed 4 k ohms To Ground, So I Opened Up The Socket And
Found It Blackened.



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RCA   CTC197

Video No Go.  OSD OK

C. P. Electronics

U26901 Had Video Coming Into Ic But Not Out. On Pin 2 Had 4.9v On Pin 4 Had
2v. Found Crack Trace On Edge Of Pcb.

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RCA   CTC197

Video/ Slick Raster/May See Slight Picture In Background/ May Be Int.

Phil Hull

Replacing L12302 Repaired The Unit, # 215502   (Apparently Drifts)

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Best regards,

--== Paul ==--

-------------------------------------------------------
Paul R. Gendreau, Jr.
Tel: 207-490-1835
Fax: 207-490-1893
Email: Paul@xxxxxxxxxxxxxxxxxxx
WinSTIPS:  The industry standard consumer electronics service tips database.
Find out more: http://www.ServiceSoftware.com
-------------------------------------------------------



-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of al m
Sent: Friday, February 13, 2004 10:18 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: CTC197CD RCA

I'm sorry of the flyback.
Al Marquardt
ampm@xxxxxxx
Al Marquardt Electronic Repair
206 W Main
Girardville Pa. 17935
----- Original Message -----
From: "Tel-Tek Electronics" <teltek3@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, February 13, 2004 9:07 PM
Subject: [TechAssist] Re: CTC197CD RCA


> Pin 7 and 8 of what?
>
> -Ed-
>
> Ed Gaidies
> Tel-Tek Electronics
> Ontario-Canada
>
> Servicing the Consumer Electronic Industry since 1963
>
> teltek3@xxxxxxxxxxxx
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of al m
> Sent: Friday, February 13, 2004 5:04 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: CTC197CD RCA
>
> Not sure Ed, but is that the board where you have to watch the small
> jumper
> between I think pin 7 & 8?
> Al Marquardt
> ampm@xxxxxxx
> Al Marquardt Electronic Repair
> 206 W Main
> Girardville Pa. 17935
> ----- Original Message -----
> From: "Ed Gaidies" <teltek3@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, February 13, 2004 1:21 PM
> Subject: [TechAssist] CTC197CD RCA
>
>
> > Would someone have a Manual on this set. Particularly the Sweep
> ciruit.
> > This set was originally Dead.
> > Replaced Flyback 237506, Got HV and sound back. But seems I have no
> > Screen Voltage. (Zero). So of course I have no raster. I have tried a
> > second flyback, thinking a faulty transformer, but same result.
> >
> > A Circuit and any suggestions appreciated.
> >
> > Thanks;
> >
> > -Ed-
> >
> > Ed Gaidies
> > Tel-Tek Electronics.
> > Ontario-Canada
> >
> > teltek3@xxxxxxxxxxxx
> >
> >
> >
> >
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