[TechAssist] Re: CTC197CD RCA
- From: Bill Grabowski <bgrabowski@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sat, 14 Feb 2004 08:17:22 -0600
There's a small surface mount jumper on some chassis that can be solder
wicked off between two pins of the flyback if this was done you'll have
no video.
On exact replacement flybacks there's even a bulletin that warns of this
happening.
Paul Gendreau wrote:
> ---------------------------------------------------------------
> Text pasted from WinSTIPS 2.0
> http://www.ServiceSoftware.com
> ---------------------------------------------------------------
>
> 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
>
> ---------------------------------------------------------------
>
> 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.
>
>
>
> ---------------------------------------------------------------
>
> 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.
>
> ---------------------------------------------------------------
>
> RCA CTC197
>
> Video/ Slick Raster/May See Slight Picture In Background/ May Be Int.
>
> Phil Hull
>
> Replacing L12302 Repaired The Unit, # 215502 (Apparently Drifts)
>
> ---------------------------------------------------------------
>
>
>
> 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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--
*****************************
Bill Grabowski
Triangle Appliance
Kenosha,Wi 53142
262-694-6500
262-694-6523 fax
bgrabowski@xxxxxxxxx
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