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My hitachi 50EX16B is messed up

It has 3 bulbs gr red blue. i can adjust the red and blue throuth the menu but the green is turnerd counter clockwise a little. i can adjust the other 2 colours vet or horozontal but the green is turned. have pulled it apart but the only adjustments i can find r the ones to focus the lenses is there something i can do or do i have to call a techy?

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Re: my hitachi 50EX16B is messed up

Green is not adjustable only through the service menu. if the green yoke hasnt been turned then you most likely have a faulty capacitor or resistor in the green convergence circuits causeing the green projectors image to be skewed. without the service manual and some tv repair troubleshooting skills you will probaly need to call a tv tech

Posted on Jan 21, 2008

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My Model TV # is 51swx20B. Two days ago the picture started having a lot of green in it and no blue. What is the repair needed.

Do adjustments on focus block. Will have to open front panel access door, focus block blue will be on left, green will be on top. Top screen bottom focus. Turn clockwise to increase, counter clockwise to decrease brightness. Turn the color all the way down on menu where it's pure black and white and make adjustments for perfect black and white picture, then when you adjust color, it will be perfect.

Aug 09, 2011 | Hitachi 51SWX20B 51" Rear Projection...

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Sony kds-r60xbr2 televison

Make sure that you do not have a magnetichc feild around the TV.

Sep 06, 2008 | Sony KDS-R60XBR2 Television

1 Answer

Have a 46f500 hitachi projection television. Started out with a blue reversed arc hanging down on upper right. Now images are not focused, and red, blue and green are layered. Double images. I looked...

It is a convergence problem and set uses two of the STK-392-150 CHIPS. Both will have to be replaced and the set adjusted.

for more information let me know if you can solder and your skill levels.


Jan 11, 2011 | Hitachi 46F500 46" Rear Projection...

1 Answer

We got a free hitachi projection tv that i believe has a bulb malfunction. on the left half of the screen has a red shadow we cant afford a hundred dollars for an estimate then whatever the price of the...

You might need to adjust the red screen drive control, turn the Red down and see if that clears it out. Sounds like the Red Tube is over driving the Green and blue Tube.
Find the Focus and screen control block there will be 3 controls on Top 3 right under them R-G-B they adjust the Focus to each tube and screen drive for each tube. also you need to clean the lenses off top of each tube they get dirty and dusty and it would help to clean the mirror

Sep 13, 2010 | Hitachi 53FDX01B 53" Rear Projection...

1 Answer

I see red and green silhouettes of the images

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony2_bing.gif,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer2_bing.gif, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here

Apr 11, 2010 | Hitachi 53SWX10B 53" Rear Projection...

1 Answer

My hitachi tv's picture is distorted red and green like a 3-d pic

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony, Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit from the link below.

Common Symptoms include....
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on - TV may also make a chirping noise.
Here are some photos of convergence problems.


Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a solution


You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you know what you are doing. If you have never done this before we would advise calling a shop or if you want to do it yourself get a complete kit with instructions and support from

Feb 08, 2010 | Hitachi 57F710 TV

1 Answer

I have a hitachi rptv model #43FWX20B and the picture has a red tint to it. Opened back up and red green and blue bulbs light up. red bulb stays bright while blue and green go dim to bright as tv plays....

Since you don't have any white lines with the red screen/picture I would say that the red bulb (CRT) is conducting too much. There is an adjustment control for that. The 'sceen' control is behind the speaker cover and service cover. Turn red screen control slightly to the left until you get a good black and white picture.

Good Luck, Big Irish.

Nov 22, 2009 | Hitachi 43FWX20B 43" Rear Projection...

1 Answer

Tv duplicate image

your guns are off and need to be adjusted. your 3 guns (red, green and blue) are off and that would explain the funny colors and shadows. Have a tv tech come out and have a look, they can fix it for a reasonable price.

Oct 20, 2008 | Projection Televisions

1 Answer

My projection tv is srewed

The green has to be adjusted through the service menu. You may try moving the yoke ever so slightly, but if you do mark the position its in now so you can put it back if it doesnt help the green. You can adjust the horizontal and verticle skew through the service menue. but you probaly have a weak capacitor or open resistor that has caused your green to skew as that is controlled electronically.

Jan 20, 2008 | Projection Televisions

6 Answers

Hitachi 51F710 Lack of green in picture

that is a color channel that is broken...

You need to increase the red or decrease the other colors. this is done with small preset controls on the neck board (or inside in the back of the CRT)

if that doesn't help. you might need to send it to a repairman before you get electrocuted (it doesn't matter if its unplugged or not, the crt stores lots of electricity)

Jan 08, 2008 | Hitachi 51F710 Rear Projection Television

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