Mitsubishi WS-73411 73" Rear Projection Television Logo

Question about Mitsubishi WS-73411 73" Rear Projection Television

1 Answer

No HD 1080i

My Mitsubishi 73411 works fine except for the HD portion. I can plug a DVD player into the DTV inputs and run 480i and 480p. But when I plug in the X-Box 360 and put it in 1080i mode the picture acts like it is out of sync. The picture looks like it is in normal mode (narrow) and overlapping itself 3 times. I can read the TV generated text in the corner and it says "1080i" but the picture is scrambled. Any hints as to where to start troubleshooting? John

Posted by John Homewood on

  • John Homewood May 21, 2007

    Yes, the xbox is in HD mode and the TV automaticaly selects the correct operating mode. As I stated, the small printing that is in the upper left corner of the TV screen when the input is changed can be read inspite of the lack of sync. It clearly says that the input is DTV and it is in 1080i mode. So the TV thinks it is running 1080i but something is wrong with either the horizontal or vertical sync frequency. I am not sure which.

    I can see on the schematic that there are several lines marked as being 480p/1080i in the sync signal area but I can't find anywhere that there is any signal that selects between 480p and 1080i. I suuspect that the problem in in the horizontal sweep frequency since the vertical sweep frequency for 480p and 1080i is almost the same and the 480p works fine.

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Have you got the slider switch at high definition and not TV at the connecting end at the xbox that leads to the tv input

Posted on May 21, 2007

  • Anonymous May 21, 2007

    if you get in touch with techman live and for free i'm sure he will be better qualified than me on the technical side of tv's, he's online now

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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

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