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Old 01-16-2011, 06:39 PM   #81
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Bob,
Have not had time to sit down and watch a dvd long enough to see if any others have the audio/video lagging problem. I did do as you suggested and tried my zx700 on three (3) different tv's. They were all tube tv's and they all three just showed up black and white mostly, maybe a little color in there but it was unveiwable. Not very electronics savvy so bear with me here on my explanation. It almost reminded me of the old super 8 movie reels. Picture was traveling from the bottom of the screen to the top pretty fast. I could see there was a movie playing but could not recognize anything. I tried eliminating the video cord extension and plugged into all three video cables on the back of my zx700 and still had the same thing. Thanks
I think this problem is a video setup problem. Go to the Concertone menu - video setup - and select NTSC. I would bet your problem is that it is currently set to PAL. Mine was.
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Old 01-23-2011, 04:41 PM   #82
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So, a bit of sleuthing done today.

Swapped my cheapy Kontka TV from the bedroom onto the zx700 video lead. Took off the 90 degree adapter just in case it is the issue.

Sure enough, picture is fine. No jumping.

But hold on a sec, I'm not ready to call it a day yet.

What about bigger TV's? Could it just be my Toshiba is just not "playing nice" ?

I haul my 32" Sharp Aquous LCD out to the trailer. Plug it in and what do we see?

Now the picture is not jumping, it's distorted and skewing from the half way point of the screen to the top.

So, it seems it's not a simple matter of "a different TV".

Which brings it back to the common point of failure - The ZX700 itself.

I try every setting in the ZX700 menu and every setting on both 32" LCD's. Then, I try turning on and off everything in the trailer, from TV antenna booster to lights.

No joy. Picture still jumps. ZX700 menu screen jumps the worst on the 32's.

None of the TV's jump on my house DVD player. Not at all.....

OK, lets see what kind of signal the Concetone is putting out by checking the TV's info screen:

480i.

Lowest quality picture resolution there is. Why am I not surprised.....

Hmmm, low quality signal, small screen OK, large screens distort and struggle.

I've got a "theory" forming.........need to do some more research now....
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Old 01-23-2011, 05:20 PM   #83
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GW, I do believe the i in 480i stands for interlaced, if the interlaced pic is of wrong size for screen, is TV trying to constantly compensate and fit it into the viewable area?

Just scattershooting here but I had similar problems watching 480i stuff (youtube vids) on my home TV, always thought it was just quality of recording but may be interlacing issue?
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Old 01-23-2011, 05:30 PM   #84
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GW, I do believe the i in 480i stands for interlaced, if the interlaced pic is of wrong size for screen, is TV trying to constantly compensate and fit it into the viewable area?

Just scattershooting here but I had similar problems watching 480i stuff (youtube vids) on my home TV, always thought it was just quality of recording but may be interlacing issue?

Yup, the "i" is interlaced.

Standard kind of formatting.

I've got a theory, but I'm still reading up right now....
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Old 01-24-2011, 10:44 PM   #85
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For what it's worth I have a 2011 8528BHSS that I purchased in October. It has the zx700 and also has the flicker problem with the 32" Toshiba. I did as others have and connected the video from an external DVD directly to the TV with the audio playing through the zx700. In this configuration the video/audio are acceptable and there is no flicker. I look forward to seeing the upcoming solution to this problem so I can use the equipment that was provided with by trailer.
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Old 01-24-2011, 11:03 PM   #86
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For what it's worth I have a 2011 8528BHSS that I purchased in October. It has the zx700 and also has the flicker problem with the 32" Toshiba. I did as others have and connected the video from an external DVD directly to the TV with the audio playing through the zx700. In this configuration the video/audio are acceptable and there is no flicker. I look forward to seeing the upcoming solution to this problem so I can use the equipment that was provided with by trailer.
I wouldn't hold my breath if I were you.

Even then, I'm expecting it to be something you have to pay for.....
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Old 01-25-2011, 07:37 AM   #87
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Originally Posted by snjparham
For what it's worth I have a 2011 8528BHSS that I purchased in October. It has the zx700 and also has the flicker problem with the 32" Toshiba. I did as others have and connected the video from an external DVD directly to the TV with the audio playing through the zx700. In this configuration the video/audio are acceptable and there is no flicker. I look forward to seeing the upcoming solution to this problem so I can use the equipment that was provided with by trailer.
In the menu setting for video there is a selection for NTSC or PAL. When my unit was delivered it was set to PAL and everything that used Concertone video "flickered". Photographs using the USB port and the DVD player primarily. If you have not checked this setting, try that first. It may not fix it, but it will for sure if that is your problem.
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Old 01-25-2011, 02:46 PM   #88
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We have tested the ZX700 and and ZX75 on TVs as large as 60" and they worked fine. I use the fine because it is NOT HD.
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Old 01-25-2011, 06:22 PM   #89
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We have tested the ZX700 and and ZX75 on TVs as large as 60" and they worked fine. I use the fine because it is NOT HD.
Actually, that supports the theory I'm working on as to the problem.

Has to do with the HDTV scaling, de-interlacing and processing the 480i (IE: stanard definition) signal from the zx700....
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Old 01-25-2011, 07:46 PM   #90
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So, here's few work arounds I've come across. None will fix the picture "shifting" problem, but you can lessen it quite a bit:

1. The ZX700 is composite out video. IOW 480i "signal", also known as Standard definition (SD). With composite video, you are stuck with 480i unless you want to buy some very expensive equipment. However, the "Setup" menu on the zx 700 does list Progressive scan, RGB, etc. A moderate improvement can be seen if you select "Progressive". It shouldn't matter, but the jumping was far less prevelant on this setting. Still there though...

2. Toshiba 32 inch. Open the menu settings on the Toshiba. Now you have two options to work with here:

a. open the "noise reduction" menu. turn it all off. This reduces the load on teh tv processing itself. The screen will still "shift" occationally, but much less.

b. Find the "Game Mode" option menu. Select it to "on". This is meant to reduce the "lag time" that is present on HDTV's whren playing low res (480i) games. This also reduces the processing load on the TV itself due to the poor signal. Once again, the screen will shift, but less than before.

There's an additional problem with option 2, both a and b. You will notice more "artifacts" in the picture. IOW, messed up pixels, fuzzy edges, etc.

As I see it, it all comes down to the zx700 putting out a low quality signal and the TV trying to scale it up in size and resolution.

Just way too much processing for it to handle smoothly.

Give 'em a try, it may work for you, it may not....
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