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Jagged edges with DVD plaback

I just saw a demo of the JVC HD250 in a professional installation. With Blu-Ray material it was absolutely stunning. However, I played a standard definition DVD and there were very obvious jagged edges on any images with diagonal lines, and with all text (credits). Playing the same DVD in the JVC HD1 (older model but with the same DILA technology) and the Panasonic AE4000 showed no such jaggies.

I was quite disappointed because the HD playback of the HD250 was so incredible. BTW, the Blu-Ray player was a high end player that was upconverting the DVD signal automatically so I don't think it was the Blu-Ray player. The salesman suggested that JVC may have optimized the HD 250 for HD playback, at the expense of SD playback. Has anyone who has the HD250 noticed the same issue with DVD playback? I still do watch quite a few standard definition DVD's so this would be a deal breaker for me. Thanks.
 

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57,

Thanks for you reply. The different projectors were connected to different Blu-ray players at different stores, so I realize that it could just be a Blu-ray player issue. However, the salesman said that it was a high end player (I don't have the name or model), and that the stairstepping was simply due to the lower resolution DVD format and to be expected. But if that were the case then the stairstepping would be visible with the other projectors/players playing back the same DVD, which was clearly not the case. All the other projectors had no stairstepping at all when playing back the same DVD. The stairstepping is visible while the DVD was playing, not just when the image was paused. The players were all connected through HDMI.

I guess I could have him connect different players and different connections (component intead of HDMI) to see if the problem persisted.
 

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I had the dealer retest the HD250 with DVD's and there was no more stairstepping/jagged edges. He thinks that it had been setup through a cable box last time I demo'ed it and that was what caused the stairstepping. So, no problem with the HD250.
 
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