[TechAssist] Re: Hitachi PTV 50UX10B distortion in pix
- From: Hermantvr@xxxxxxxxxxxxx
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 21 Oct 2003 10:45:10 EDT
Be sure to check the feeeder resistors to the Green STK convergence IC. I
find it the lines are bent and you cannot correct the resistors have changed
value.
Tommy Herman
Herman TV
250 School Ave SW
Taylorsville N.C. 28681
828-632-5322 Voice
828-632-3880 Fax
hermantvr@xxxxxxxxxxxxx
pix
> Techs,
>
> I have never seen a problem like this. Came in with terrible convergence
> problem. Replaced IC1326/STK4274 and a bunch in caps in the 900 series
> (power supply).
>
> Set has a super picture--except for the area maybe 3 to 6 inches from the
> left side of screen. Doesn't show up on most scenes, but if a crosshatch
> is applied, all horizontal lines will have a "wiggle" in the lines 3 to 6
> inches from the left side. Like a sideways "S", but not real pronounced.
> My tech says it's only in the green, but I'm not convinced. He worked
> on it many hours Sunday when I wasn't here.
>
> Customer saw the set today and say they will accept the set "as is," but
> would like the distortion corrected if it doesn't add too much to the
> cost of repair. To be honest, I am totally baffled. My tech thinks
> vertical circuit, I tend to think horizontal distortion. But, at any
> event, the convergence is off only in that area. When volume is raised
> (or lowered) the volume bar displayed is misconverged in the trouble
> area.
>
> This may be just an interesting problem to consider since the customer
> has agreed to take the set as is. Yet, someone may have seen this and
> may shed some light on it.
>
> Thanks for your consideration on this.
>
>
> Ken Smith
> Gulf Technical Services
> 3034 Gulf Breeze Parkway
> Gulf Breeze, FL 32563
> 850-934-8324 (Voice) 850-932-0819 (Fax)
*****************************************************************************
Classifieds! Buy or Sell!
http://sell.tech-assist.org
The Tech Address Book:
http://www.tech-assist.org/secure/tip/contact.htm
Add a Repair Tip Here, or Change/Remove your Email Address:
http://www.tech-assist.org/secure/tip/main.htm
Lost Password:
http://www.tech-assist.org and select "Lost your Login Info?".
Email Archives:
//www.freelists.org/archives/techassist/
Other related posts:
