Question about Acer AT3705-MGW 37 in. LCD Television

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AT3705-MGW I'm using the AT3705 with Vista Media Centre and when I try and set the resolution to 1920x1080 @ 30hz the TV has blurry lines across the screen. It's the same with all frequencies from 20hz to 30hz. I have it connected with a DVI cable and the sound is on external speakers. I have reinstalled Vista on multiple occasions, I have bought different video cards (previously had an nvidia 6200, the on board X300 and an 8600GTS to test and still the same thing. I've also tried the latest and older nvidia/ati drivers. I have tried plugging my gaming computer into it which has Vista Home Premium 64-bit and it does the same thing when set at 1920x1080 @ 20-30hz The highest res it works on without the blurred lines is 1360x768 @ 60hz. My boss has exactly the same TV (bought at the same time) with the same operating system with older components and his works at 1920x1080 @ 30hz resolution without any problems. Please find a screenshot of the problem here: http://www.hemingati.co.nz/acer-tv-1080i.jpg -it was taken with an 8MP camera using a tripod. Any help would be appreciated.

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Increase your signal frequency to 60hz. You may have to lower your resolution also.

Posted on Feb 10, 2010

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My rca projection tv picture looks like it has shifted and is now very blurry, it has a red, green and blue lines across the top


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I don't have much experience with RP-Tvs but i will give this a go.

First try all physical issues such as:
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Next make sure the resolution and picture settings are working (Restore to defaults)

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There is not enough information to give you an answer. How do you know you are getting digital and not analog. Most LCDs are only digital even on their TV antenna connection using the ATSC tuner, so I don't really have enough information. If you are referring to the TV antenna, I assume that you have an antenna designed for this purpose.

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Acer at3201w when i plug it in the amber standby light comes on. when i push the power button, the light turns green but nothing else happens. a few moments later it turns amber again and then goes off...


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If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
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http://en.wikipedia.org/wiki/Capacitor_plague

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If you are scanning, you should be able to set the resolution (DPI x DPI) in the scanner configuration. If it is blurry, it could be that the default scan resolution is lower (10 dpi or even 75 dpi).
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You may lose some channels when you retune the TV as the channels have been rearranged. To locate them look at the EPG although you may still find that some channels are no longer available on FREEVIEW. See the following link for additional information

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If the above process does not work then check the link above for additional information and also visit the accompanying site links below to find more information for your model of TV / FREEVIEW box.

For troubleshooting the retune procedure visit http://tvretune.co.uk/troubleshooting/

For specific model information visit http://tvretune.co.uk/productmanuals/

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1 Answer

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Hi Here is a link to an englis version of the manuals right click on the left one on this page and do a Save as, it will take some time to load as this link goes to taiwan :( file is about 4.5mb, I have checked this and it does appear ok, good luck :)

Sep 15, 2007 | Acer AT3705-MGW 37 in. LCD Television

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