[TechAssist] Re: RCA CTC203CA5/ F36668 36" TV, intermit. dim or no pix
- From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 20 Feb 2003 09:57:49 -0500
Sounds like an obvious heater voltage problem to me, that's the only thing I
know of that will cause the pix to fade out and in.
**************************************************
Jim Myers
Since 1972
Telrad Electronic Services Co.
Fort Wayne, IN 46815
*************************************************
----- Original Message -----
From: "Philip Bader" <tjanphyl@xxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, February 20, 2003 9:53 AM
Subject: [TechAssist] RCA CTC203CA5/ F36668 36" TV, intermit. dim or no pix
Hard to describe, but customer says the picture would "fade out",
sometimes very dim,sometimes altogether. Slpaaing the side usually
restored it. The sound was always there.
Ran it here all day OK, then I looked up at it and I noticed the
picture was dim, like a weak CRT. Probing around, when I depresses the
main board around the middle (HOT area) I saw the brightness and clarity
return, like a quick fade-in. I feel it's cold solder,but where.
My solution will be to resolder most of the board, remove,scrape and
reinstall the H. drive transformer, resolder L14401 at HOT base, and
I understand the flyback is high failure,and heard of intermittant
screen pots on them several posts,so will also figure a FLY,as they are
affordable.
Does this sound like a fix?
Since it's a 36 inch it's worth it.
Phil Bader
--
Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx
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