[TechAssist] Re: CTC167CN - Retrace Lines/Bleeding Picture
- From: <tvman@xxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 15 Dec 2004 18:16:15 -0330
Hi David this may help Eric
TELEVISION rca m#f26051em CTC167cn no power replaced hot (d1879) then
changed shorted q2901 causing exessive brightness and retrace lines
TELEVISION RCA CTC167CN SEVERE HORIZONTAL PULL AND VERTICAL JITTER C4007
680/200V
TELEVISION RCA CTC167CN LINES IN PICTURE, BRIGHT SCREEN REPLACE Q2901
(143806)
E M Electronics
Deer Lake NL
Canada
tvman@xxxxxxxxxxxxxxx
eric.manuel@xxxxxxxxx
----- Original Message -----
From: "David" <mr_fixit@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, November 05, 2004 2:54 PM
Subject: [TechAssist] CTC167CN - Retrace Lines/Bleeding Picture
> Merry Christmas Techs,
>
> I have this CTC167CN that was given to me, I would like to fix it for my
> son's room if possible. Picture has retrace lines and is a bit on the
> bright side with bleeding to the right of images (like too much drive
> level). When I turn down the G2 (screen) there are dark patches. All the
> CRT drive transistors have normal voltage and signal levels. Is this the
> tube or something else? I think I read something at one time regarding
> the luminance buffer causing a similar symptom. Could anyone confirm
> this and which transistor is the luminance buffer?
>
> Thanks,
>
> David Lessard
> Alexandria, Ontario
> mr_fixit@xxxxxxxxxxxx
>
>
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