I have a Mitsubishi WD-73737 73-Inch, the picture format keeps changing automatically. for example, the format will be set at 720i wide and it switches back and forth to 720i normal. any ideas?

One of the best ways is to use a calibration disc. Attached is a link to an example of one. There are many out there. It will give you the best picture you set has to offer adjusting the grey scale and the color bars for best definition. Digital Video Essentials HD Basics Blu ray is an example. Almost anyone will do.

If the Dish remote won't change the picture size when you use the "Format" button (either bottom left on remote or the "page up", "page down" buttons), then you will need to try the Sony remote. If the Sony remote doesn't have a "picture size" or "format" button, then enter the Sony User Menu and look in "Set up" for "Picture Size" "Format" or the like.

Hope this helps!

If your watching a standard resolution(4:3) picture in wide screen format (16:9). than the picture will be stretched and the tops and bottoms cropped. look in your video or set up menu to change the resolution settings to standard 4:3

sir thers no problem with your unit its the user's fault

I have an older Mitsibutishi 52" HD 1080. I recently upgraded my cable box to DirecTV HDTV. When I change to format to view in 1080 the TV goes from full screen to what seems to be wide screen with a black bar on the top and bottom. If I change the format to 480p I get a full screen; but the picture has a "redish tint" over it as if looking through sunglasses...I tried everything in my TV manual even call the cable company. Any suggestions?

There could be a problem, but verify the settings as listed in the owner's manual as follows:

1 Press the MENU button to display the menu.
Press the ▲ or ▼ button to select Picture, then press the ENTER button.
2 Press the ▲ or ▼ button to select Size, then press the ENTER button.
3 Press the ▲ or ▼ button to select the screen format you want.
Press the ENTER button.
Press the EXIT button to exit.
• 16:9 : Sets the picture to 16:9 wide mode.
• Zoom1 : Magnifies the size of the picture on the screen.
• Zoom2 : Expands the Zoom1 format picture.
• Wide Fit : Enlarges the aspect ratio of the picture to fit the entire screen.
• 4:3 : Sets the picture to 4:3 normal mode.
• Just Scan : Use this function to see the full image without any cutoff when DTV
or HDMI 720p/1080i signals are input.
Press the P.SIZE button on the remote control to change the picture size.


And realize the restrictions as listed:

• In TV, VIDEO, S-VIDEO, and COMPONENT(480i, 480p) modes, all screen
modes can be selected. (16:9 ➞ Zoom1 ➞ Zoom2 ➞ 4:3)
• In COMPONENT(720p, 1080i) or HDMI(720p, 1080i) mode, 16:9, 4:3 and
Wide Fit can be selected.
• In Zoom1, Zoom2 and Wide Fit modes, you can move the picture on the
screen by pressing the ▲ or ▼ button.
•You can not change the picture size when PIP is set to Double.
•When Double ( , ) mode has been set in PIP, the Picture Size cannot
be set.
•Wide Fit can be used when watching a Digital HD (High Definition) signal.
Wide Fit sets the optimum picture format by expanding it both horizontally and
vertically. For example, you can reset the picture in 4:3 format to 16:9. Wide Fit
does not support all external devices (DVD, VCR etc.).


Keep us posted.
Dan

there is a button on the remote labeled FORMAT it is on the bottom half of the remote. it will change picture size i.e. STRECH STANDARD WIDE WIDE ZOOM etc.

it is just saying what input you have it on and what level of hd your getting (480i 480p 720i 780p 1080i 1080p)

The problem you are describing is called loss of verticle deflection. You will find this will require diagnosis and there is no simple answer to this repair. Most likely there will be either bad electrolytic caps or bad vert. output IC in the vert. circuit.

Check the button on remote have some dirt on. Open remote , clean it with benine and let dry and tv will be ok.