[TechAssist] Re: fix: RCA Proscan PS35123, CTC169EJ5 slight video smear to right?]]

From: "George" <grndmstrg@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Date: Tue, 17 Feb 2004 12:40:31 -0800

Gee, I remember doing that one (only once).

George
Afana Electronics
Moreno Valley, CA

----- Original Message ----- 
From: "peggs" <peggs@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>; <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, February 17, 2004 2:42 PM
Subject: [TechAssist] Re: fix: RCA Proscan PS35123, CTC169EJ5 slight video
smear to right?]]


> How about soldering with the unit plugged in....not realizing it
> until you go to 'plug it up'........ breaking out in a cold
sweat..........
> only to find the good Lord was watching over you and no
> damage was done......whew......!!!
>
> Peggs
>
> At 10:16 AM 2/17/04, Doug Keller wrote:
> >Almost as bad as unplugging all the connections from the board,
> >disconnecting high voltage, getting everything ready to pull the board
> >out, then discovering that you never unplugged it from the wall!!
*laughs*
> >
> >Doug Keller
> >Wis-Kel Electronics
> >101 Freeland Ave.
> >Terra Alta, WV
> >USA        26764
> >dek@xxxxxxxxxxxxxx
> >http://www.tech-assist.org
> >"Learn from the mistakes of others, because you
> >won't live long enough to make them all yourself"
> >
> >
> >
> >Phil Bader wrote:
> >
> > >Well, I really wrestled with my pride on posting this one message.
> > >Here it goes.
> > >Yesterday while troubleshooting this set, between my back ache and the
> > >never
> > >ending phone calls and walk ins (I'm alone),
> > >When I carefully unsoldered the defective thermal video switch IC,
U1401
> > >(161079/HCF4052B/NTE4052B), set it aside, opened  the new part bag,
> > >answered the
> > >phone.... returned, and RE-INSTALLED the defective IC right back into
> > >the set.
> > >I kept cooling this "new" IC and the smear would clear. Finally I found
> > >the replacement
> > >next to the set still in the foam,clean pins and all.
> > >Gad, I feel stupid.
> > >Well thanks, group, for all the help  offered.
> > >The fix for the smear was a thermal IC U1401 video switch.
> > >Very Stupidly Yours,
> > >Phil
> > >
> > >
> > >
> > >>Philip Bader
> > >>Jan Phyl TV Inc. (estab. 1976)
> > >>3420 Recker Hwy. Winter Haven, Fl. 33880
> > >>Fax (863) 299-8821
> > >>email: tjanphyl@xxxxxxxxxxxxxxx
> > >>
> > >>
> > >
> > >
> > >Phil Bader wrote:
> > >
> > >
> > >
> > >>I did check out that site.. Ziltch..
> > >>It was suggested a bad CRT, 200 volt scan-derived electrolytic cap to
crt
> > >>board weak,etc.
> > >>This cannot be the case, as I get good picture with no smear in
line-in
> > >>video mode both with the RCA inputs and S-video. Those parts would be
> > common
> > >>to all video and tuner inputs.
> > >>I have since changed the integrated tuner assy, the video switch IC
U1401
> > >>(HCF4052B) and all 'lytics surrounding that IC. If I freeze spray
around
> > >>that IC, it clears! (And I've changed it with a new one.) and
chemically
> > >>cleaned the board)
> > >>So it cannot be anything that shares the same circuitry as the RCA and
> > >>S-video does, because they're OK.
> > >>Only with tuner input... And as it stays on 10 minutes and more, it
gets
> > >>worse. I also notice the contrast is not as good in tuner mode either.
That
> > >>seems to go hand in hand with this smear thing.
> > >>I'm stumped.
> > >>Hey, RCA experts!
> > >>Help!.
> > >>
> > >>
> > >>Glen Rhea wrote:
> > >>
> > >>
> > >>
> > >>>Phil
> > >>>You should check the history files re: ctc169 at www.wa6ati.com
> > >>>Glen
> > >>>
> > >>>Phil Bader <tjanphyl@xxxxxxxxxxxxxxx> wrote:
> > >>>After restoring the vertical (prev. post) I notice a good picture but
> > >>>there is definately a video smear to the right of everything, more
> > >>>noticable with text, of course. I lowered the sharpness and almost
gone.
> > >>>
> > >>>Any histories on video smear with the CTC169's?
> > >>>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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> > >
> > >
> > >
> > >
> >
>
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References:
- [TechAssist] fix: RCA Proscan PS35123, CTC169EJ5 slight video smear to right?]]
  - From: Phil Bader
- [TechAssist] Re: fix: RCA Proscan PS35123, CTC169EJ5 slight video smear to right?]]
  - From: peggs

[TechAssist] Re: fix: RCA Proscan PS35123, CTC169EJ5 slight video smear to right?]]

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