[TechAssist] Re: Proscan M# PS52682 PTK171ACB, Wierd Chroma problem
- From: "John @ Myers TV " <myers_tv_b@xxxxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 19 Oct 2005 21:18:48 -0400
Thanks Phil & Ron,
I'm pretty sure that's the first thing I ruled out, and I thought I had
the readings to back it up.
But, let me double check that point. If that doesn't solve it, I'll post
the number from the original part for you Phil.
John Myers
Myers TV Service Co.
376 E. State St.
Alliance, OH 44601
Voice / Fax: 330-821-6545
Myers_tv_b@xxxxxxxxxxxxx
http://www.myerstv.net
"[Luke:] I can’t believe it.
[Yoda:] That is why you fail."
tjanphyl@xxxxxxxxxxxxxxx wrote:
> Give me U2401's number on the actual part.
> I may have that chassis.
> Are you sure it's not the splitter block? try swapping the R,B,B anode
> leads and see result?
> Phil
>
> Phil Bader, Pres.
> Jan Phyl TV Inc
> Winter Haven, Fl
> (863) 299-8821
> estab. 1976
> personal email: pbader@xxxxxxxxxxxxxxx
>
> ----- Original Message -----
> From: John Myers <myers_tv_b@xxxxxxxxxxxxx>
> Date: Wednesday, October 19, 2005 6:15 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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