Question about Hitachi 57SWX20B 57" Rear Projection Television

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Projected image is slightly oversized im 16 Standard Mode

Image cuts off screen crawls and the tops of peoples heads. DVDs and VHS work fine. I've tried everything I can think of without success.

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The problem was with my cable providers (Knology) cable box settings. Somehow they had changed to zoom 1. I think this happened when I played a VHS tape. If this keeps happening everytime I play a tape or DVD I'll have to remember to reset the vidio on the cable box after each tape or dvd.

FLCoyote

Posted on Dec 02, 2008

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Posted on Jan 02, 2017

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How i adjust horizontal size and vertical size


To answer your concern, all you have to do is to change the setting of your aspect ratio on your TV.

Here is my suggested way to procede:


1. Apply 1080i signal, which should produce an oversized HD image on ColorStream1or 2.
2. Select an HD channel that is broadcasting standard 4:3 image, not wide screen.
3. Switch to the Service Mode ( Please refer to the above links). In the Service mode, press channel up/down to find the Adjustment parameters needed for the following steps.

4. Adjust HIT with volume up/down control for the image height to 22.5 inches.

6. Adjust WID for image width of 30 inches, (22.5*4/3)
7. Adjust HPOS to center the image.
8. Adjust PARA and TRAP to minimize geometric distortion.
9. Switch into Convergence mode and Adjust VLIN to get equally spaced horizontal grid lines.
10. Measure the length of the central grid lines and note the number of horizontal and vertical grid lines. This information is used to create an overlay grid.
11. Create the overlay grid on 40x25 x0.003 inch clear Acetate sheet, which you can get at the Art Supply store for under $2. Draw the grid with a fine line erasable pen. Draw vertical and horizontal lines through the center of the sheet so that the lengths are the same as the central grid lines. Now draw the grid so that it has the same number of lines as the convergence grid but are equally spaced, with the outer ones at the ends of the central lines.
12. Cut off about 1/4 inch from the right side of the sheet so that the sheet can lay flat against the screen, which is slightly less than 40 inches.
13. Put a reference mark on the TV frame 2.5 inches down from the upper left side of the screen.
14. Place the overlay on the screen so that the upper edge lines up with the reference mark. The overlay sticks by electrostatic attraction.
15. Use convergence controls to remove grid distortion and converge grid colors. Refer to the Anamorphic link for details.
16. Enjoy 1080i.

Other Comments:
I didn't realize I could create the overlay grid before placing the Acetate sheet on the TV screen, until I finished drawing the grid with the sheet placed on the screen. I added grid lines as called for in the procedure. I'm sure this method took much longer no only to draw the lines but some of them were difficult to see.

Part way through the convergence procedure, I became concerned that the image width was off since I did my screen adjustment with wide screen image. Thus, I decided to repeat that step with a 4:3 screen.

I confirmed the need to press 7 often to save results since after I adjusted one grid color without it, I accidentally hit a key that switched me out of convergence mode and when I switched back, all settings were gone.

Another mistake I made was not realizing that the cursor color determines which grid gets moved.


May 13, 2011 | Toshiba 32AV500U 32 in. LCD HDTV

Tip

Overhead Projector Tip- best results!!


For best results, slant the screen forward slightly so it meets at a 90 degree angle with the projected image light beam. In not, then a keystone effect results where the projected image is taller on top or on the sides; in other words, the projected image is a parallelogram, not a square.

on Aug 16, 2010 | Office Equipment & Supplies

1 Answer

The image projected is squished


It sounds like your input signal is in 4:3 and the projector is in 16:9.
You need to adjust the "Resize" mode.
On your remote, press the "Resize" button (bottom-right of the remote, looks like a screen with two arrows pointing left and right [< >]) until it is in "Normal" mode. If that does not work, try setting it to "Border".

Mar 13, 2011 | Sharp XR-10S DLP Projector

1 Answer

Picture is stretched on wide screen a circle looks egg shape


Hello
This is an issue because most television programming is produced in a 4:3 aspect ratio. The minority of programming is high definition, which is produced in a 16:9 aspect ratio. Because televisions are made in either a standard (4:3) or widescreen (16:9) format, there is always a conflict with an image being stretched vertically or horizontally. In the case of widescreen televisions, the stretching is horizontal.
Picture Modes
Luckily, most if not all widescreen televisions have a picture mode that allows the user to toggle between a wide (16:9) and standard (4:3) mode. This means that a person can watch non-HD programming in the 4:3 picture mode, and then go to widescreen when watching HD programming. Some TVs have a picture mode that will automatically adjust to the correct aspect ratio. Other people will watch all programming in the wide picture mode, and learn to adjust to watching a stretched picture.
A stretched picture is when a 4:3 image is pulled on the sides to fill the entire screen. People and images end up looking fatter/wider and shorter.
So, what's the big deal?
Some people don't like a 4:3 picture stretched or distorted because it does reduce the overall visual and picture quality. Some people don't like the bars on the side of the screen when a widescreen is in a standard (4:3) picture mode because it looks different.
Solution
There is no fix-all solution for this issue, unless you own a TV that will automatically adjust to the intended aspect ratio. The stretching of the picture is a side-effect, the price we are paying for the better resolution that is digital and high definition. This is definitely something to consider when buying a television, but keep in mind that there is no right or wrong within this issue. It is just the way it is, and there is no way around it unless you buy a 4:3 aspect ratio television.
Hope these lines will clear the issue, if so do rate the solution

Jan 04, 2011 | Televison & Video

1 Answer

Screen cuts off top of heads


Check the menu settings for the picture. You may be expanding the image to fill the sides, in the process, cutting the top and bottom.

Mar 10, 2010 | Samsung LN-S4051D 40 in. LCD Television

1 Answer

Screen size problem on 720p


Best to contact sony, local game repair shop.

Dec 30, 2009 | Sony FD Trinitron WEGA KV-34HS420 34" TV

1 Answer

Control of vertical TV image projected on the screen


You can try looking for 2 things

1. A button on your remote that says either: ARC, Ratio, 16:9, 4:3.... Some remotes have a picture of a square with arrows pointing out towards each corner..... I'm unfamiliar with this set, but it sounds like a widescreen, so give it a go

Apr 22, 2009 | Televison & Video

1 Answer

Viewing mode will only go from zoom to wide!!!! please help


Hi!

Found some relevant info on how to adjust your video settings... You might want to give it a try!

Thanks! =)

4.12 PC Input Picture Adjustment
The Picture Adjust menu operates in the same
way for the PC Input as for the DTV / TV input in
section 4.2 for Backlight, Contrast, Brightness and
Color Temperature.
4.12.1 Auto Adjust
When the MENU button is pressed, the On Screen
Display (OSD) appears on the PICTURE ADJUST
page. Press the button to highlight the Auto
Adjust selection.
Press the button for the LCD HDTV to adjust to
the PC signal timing automatically.
4.12.2 H-SIZE
Press the button to highlight the H-Size selection.
Press the button to start adjusting the horizontal size of the picture. Use the or button to adjust
the horizontal size.
4.12.3 Horizontal Shift
Press the button to highlight the Horizontal Shift selection.
Press the button to start adjusting the horizontal position of the picture. Use the or button to
adjust the horizontal position.
4.12.4 Vertical Shift
Press the button to highlight the Vertical Shift selection.
Press the button to start adjusting the vertical position of the picture. Use the or button to adjust
the vertical position.
4.12.5 Fine Tune
Press the button to highlight the Fine Tune selection.
Press the button to start tuning the to the PC signal. Use the or button to adjust the tuning

4.14.1 Understanding Viewing Features
Your LCD HDTV features four viewing modes and Picture-In-Picture (PIP)/Picture-by-Picture (POP) mode.
You can switch viewing modes using the remote control.
4.14.2 Viewing Modes
Normal Mode
The original 4:3 aspect ratio (1.33:1 source) is preserved, so black bars are
added to the left and right of the display image. Standard TV broadcasts are
displayed with a 4:3 Aspect Ratio. Movies in 4:3 Aspect Ratio may be referred
to as pan-and-scan or full frame. These movies were originally filmed in 16:9
(widescreen), and then modified to fit a traditional TV screen (4:3).
Wide Mode
When watching a standard broadcast or full-frame movie in this mode,
the display image is stretched proportionately to fill the TV screen.
When watching a widescreen (1.78:1 source) program or movie, the
display image fills the TV screen. If you are watching a widescreen
(1.85:1 or 2.35:1 source) program or movie, there will still be black
bars at the top and bottom.
Zoom Mode
When watching a widescreen (1.78:1, 1.85:1, or 2.35:1 source)
program or movie, the display image is zoomed proportionally to fill the
width of the screen. The top and bottom are cut off to remove most of
the source material’s black bars. This mode is good for programs or
movies with sub-titles.
Panoramic Mode
When watching a standard broadcast or full frame movie in this mode,
the 4:3 Aspect Ratio (1.33:1 source) display image is stretched
horizontally on the left and right sides to fill the TV screen. The center
of the image is not stretched.

Note: Viewing modes are saved based on input. For example, you lasted watched a DVD in widescreen
mode and then watched TV in standard mode. When you switch back to DVD input, the viewing mode
will return to widescreen.

Jan 04, 2009 | Televison & Video

1 Answer

Using remote to play video DVD


You need to bypass your A/V tuner for your video connections (if possible). Plug your video directly into the TV and audio into the tuner. This will also give you a cleaner signal/picture as it does not have to processed by your tuner BEFORE it goes to your tv. Think of it as cutting out the middle man. Your tuner is best left for powering your speaker and not controlling your video despite all of the available connections in the back of it.

I would also get rid of your VHS and cassette players as they are dead technology. Clean up your system and remove the clutter. This will lessen your chance of getting interference. Good luck!!

Oct 01, 2008 | Toshiba 32D46 32" TV

1 Answer

The image projected from my CTX EzPro 680 Projector flickers on screen


From my experiences working with projectors, more than likely you will need to replace the lamp

Oct 04, 2007 | CTX Optoma EzPro 680 Multimedia Projector

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