[TechAssist] Re: CTC167N - Retrace Lines/Bleeding Picture
- From: mebonnell@xxxxxxxxx (Old TV Man)
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 15 Dec 2004 16:29:15 -0600
David - I was ready to tell you it is Q2901 (143806) NTE 159 but the
young TV Man beat me to it. Anyway we both agreed.
Max Bonnell
Bonnell TV
Robinson, IL
Sender: techassist-bounce@xxxxxxxxxxxxx From:
tvman@xxxxxxxxxxxxxxx(<tvman@xxxxxxxxxxxxxxx>) Date: Wed, Dec 15, 2004,
6:16pm (CST+2:30) To: techassist@xxxxxxxxxxxxx Subject: [TechAssist] Re:
CTC167CN - Retrace Lines/Bleeding Picture Reply=A0to:
techassist@xxxxxxxxxxxxx
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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