Shadow across top of screen 1-2 inches thick

Make sure there is nothing magnetic in the area.
Often speakers are placed around a tv which are not magnetically shielded causing the picture to distort.

Return it. It is defective

Check the LVDS cable that connects its T'Con board to display panel for any loose fitting at the both end of its sockets. Re-seat them once and check. This is not a problem with any capacitors. If you wish to get more details, check the site linked here. It has screen-shots to some faulty screens to LCD TVs. Compare them to that of your TVs' and make sure. http://electronicshelponline.blogspot.com/ Pull up previous posts there, either by its left side bar, or view it in Timeslide option.

No. I would suspect it being a Optical Block issue. I is not a pretty repair not to mention the cost factor. If you could get in touch with Hitachi Customer Service they could lead you to s service facility that could comfirm what I think.

Adjust your convergence. Under menu I think its the last choice at the bottom of settings or picture menu

DLP TVs work projecting light throught a tube covered with mirrors, called the light tunnel.

The gray shadow it is something in the middle of the light tunnel, probably a mirror that has gone out of place when you moved the TV.

Hello,,,
Your Canon A80 has problem of defective CCD Imager Sensor and this part need to be replaced.
Good news is that Canon will replace CCD Imager free of cost as per announced free of cost repair scheme.
Click on Canon CCD Advisory for details how to obtain free repair facility.
Good Luck....

Typical symptom of a faulty screen voltage capacitor. You'd need a schematic to locate the cap and then change it out.

Geno

hi there, you have vertical section prob., repalce imeditely the electrolytic capacitor at the vertical section. do some test and check up. ty

This looks like Pincushion problem. nothing you can do. Only a Trained technecian can do this adjustment to reproduce a perfectly aligned image. It requires a pattern Generator and other tools. call the company tech.