[TechAssist] Re: Proscan M# PS52682 PTK171ACB, Wierd Chroma problem
- From: "Ron Miller d.b.a. Country TV" <rlmbkm@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 19 Oct 2005 17:45:08 -0500
Is the problem a bad G2/Focus assy?
Does it use the same one as the PTK 169, if so those go "flaky" and cause
that type of problem.hth
Country TV
Ron Miller
Inez, TX. 77968
----- Original Message -----
From: "John Myers" <myers_tv_b@xxxxxxxxxxxxx>
To: "tech_a" <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, October 19, 2005 5:15 PM
Subject: [TechAssist] Proscan M# PS52682 PTK171ACB, Wierd Chroma problem
> HI,
>
> This has been here for a couple months. It plays for a minute or two, then
an interference pattern creeps accross the red & blue CRT's, and they go
dark. As they go dark, the green CRT gets very bright (no retrace lines).
> I've been able to track it back as far as the r-y, and b-y lines coming
from the Progressive Scan IC, U2401. In the morning, I hope to check
voltages on U2401. But, I'm hoping to not have to replace the IC as a test.
The dealer cost is $60!
> Has anyone heard of anything like this on the CTC170/171 family of
chassis?
>
> Thanks,
>
> John Myers
> Myers TV Service
> 376 E. State St.
> Alliance, OH 44601
> PH 330-821-6545
> e-mail: myers_tv_b@xxxxxxxxxxxxx
> http://www.myerstv.net
>
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