Question about Pioneer SD-643HD5 64" Rear Projection Television

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Pioneer SD-532HD5 - Picture Bowed on sides only on 1080I

Using Dish VIP-622 or Sony Blu-Ray when setting device to output 1080i signal, the picture on the TV becomes somewhat distorted (bowing in on left and right).

On Dish, picture for setting 480P looks fine.

Any suggestions on getting my Hi-Def pic back?

Thanks in advance,

Pete

Posted by on

  • petes999 Jan 08, 2009

    Thanks Dan,



    Any insight would be appreciated.

  • petes999 Jan 08, 2009

    Dan,



    I really appreciate your help and your response.



    I agree that it is not worth spending that kind of money on this set and have begun looking into a replacement.



    Again, thanks for your help,



    Pete

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I had the same problem, and I had a TV guy fix it. It was just a diode or something on the convergence board, and it took him all of ten minutes to fix it once the board was out. The trick is knowing what part to change, and the skills to do it, obviously. It was year 4, day 360, of the five year warranty when mine went, so I don't know what it cost, but it would have been all labor + $2 for the part, but they actually fixed it rather than the typical swap the whole darn board.

Posted on May 30, 2009

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The problem you are describing is known as a pincushoin problem. I'm a bit surprized that you only see it on the 1080i signal though. I've inquired at my Pioneer contact about this and will update this soon.

Stay tuned...

Dan

Posted on Jan 07, 2009

  • ABRsvcs Jan 08, 2009

    It turns out that this is a known problem for these sets. The recommended "fix" is to replace the convergence board at a cost of $375. I wouldn't recommend that kind of investment at this point. It is possible that the convergence ICs are starting to fail and that can show up in this manner as well. If you are to invest in this at all, I would try resoldering the entire convergence board first. If that does not resolve the problem, replace the convergence ICs (STK392-110 I think) and report the results here. Other than that, you are best to invest the $375 into a newer set.



    Dan

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1 Answer

How do i get 1080i, my tv shows im only in 480i. i think i might have it hooked up incorrect. my other tv of another brand is much newer so all i did was connect the hdmi cable from the tv to the cable box...


Hello

Your TV will display all High Definition signals as 1080i True HDTV™ and all standard definition signals will be displayed as 480p.

Component Inputs 1-2
YPbPr(480i/480p/1080i)
These inputs can be used for the connection of A/V equipment with component video outputs, such as a DVD player or external HDTV receiver. Please see Appendix B for signal compatibility.
Input DTV (480i/480p/1080i)
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As a special feature, you have the ability to adjust the red and blue light beams in reference to the fixed green light beam. This process is called convergence. There are two separate memories for convergence. One, for SD 480i/480p signals; the other for HD 1080i signals. SD convergence should be adjusted while watching an SD source and HD convergence should be adjusted while watching an HD source.

Wide Expand: Enlarges the picture, cropping some of the image on both sides. This Expand format is useful to remove or reduce black side bars on HD broadcasts of 4:3 images with black bars. Available for analog 1080i, digital SD 16:9 and digital HD signals.

InputDTV
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This input is compatible with some DTV receivers using RGB with "separate H and V sync". Compatible DTV signals are SDTV 480i, 480p, and HDTV 1080i. All other DTV signals, such as 720p, need to be converted by the DTV receiver to one of the compatible signal types. Industry standards for DTV RGB signals (systems, synchronization, timing, and signal strengths) are not currently established. These inputs will not be compatible with all DTV receivers that offer RGB, HV outputs. RGB, HV signals with less than 5 cables are not compatible.
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