Question about Hitachi 50V715 50" Rear Projection HDTV-Ready Television

1 Answer

The screen has a green mark in the middle and is spreading

We just found out that the center speaker on our surround sound speaker has a magnet and has wrecked our tv, what do we do to fix it. I've looked for help every where and it would be get to find some help, my email is

Posted by on

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 20 achievements.


    An expert that got 10 achievements.


    An expert that got 5 achievements.

  • Master
  • 4,234 Answers

As long as the center speaker has been removed, the degaussing circuits should have recovered normal operation of the set. Also, I find it hard to believe that a center speaker would harm a projection set given the location of the CRTs. Can you please verify the model number of the set as well as provide more details about what you mean by "wrecked"?

Posted on May 08, 2008

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

R52WH74 Convergence Problems!

If you have surround sound speakers sterio speakers too close to the screen the powerful magnets will mess the screen up I had a speaker with a 20 oz. magnet shrink the screen because it was setting near it . never could get it back to origonal size!

Nov 27, 2011 | RCA Projection Televisions

1 Answer


You most likely have a large magnetic source near the screen like a surround sound sub woofer or other speakers. also go into the tv's settings and have it auto adjust the convergence. should help

Aug 24, 2010 | RCA Projection Televisions

1 Answer

My surround sound speakers where too close to my tv and now my colours are messed up what do i do to fix the problem?

Seems the magnetic field from the speakers has caused the color purity in the televisions screen to become discolored, You might try unplugng the set and moving the speaker futher away from the television, Wait at least 20min before cutting it back on, There is a degaussing coil surrounding your picture whis supposed degauss the set everytime you cut it on. Much like you seen on older computer monitors when you press the degauss botton the screen would suddenly go to a rainbow of colors and then return to normal. Depending on how long the speaker has been there you might have to call your servicer and have them come out and manually degause the set for you.

Sep 28, 2009 | Projection Televisions

2 Answers

Panasonic PT-53wx53G 53' projection tv problem

was your tv hit hard,a non magnetically shielded speaker set on top or under it?

Nov 09, 2008 | Panasonic PT-53WX53 53" Rear Projection...

2 Answers

Green shadows surrounding bright whites

finally a consumer that gives us plenty of info :)
sounds like an overdriven green tube, the only thing you can try is to find the G2/Focus block assembly, either behind front speaker grill or remove back of set and look for a black box approximately 5"X5" , this box will have 6 philips type adjustment screws(plastic) 3 are for focus, do NOT adjust these,
the other 3 are marked "screen" the center screen adjustment screw is for green, turn it VERY slowly counterclockwise while the set is running and pray that your problem dis-appears, be advised that this is a HIGH VOLTAGE device so one hand in your back pocket the other hand turns the screwdriver, if the problem does not go away you have a poor green tube, good luck, sorry I can`t give you the exact location of the G2/Focus block, manufacturers move them to different places every year.

Nov 29, 2007 | Mitsubishi WS-55809 55" Rear Projection...

1 Answer

Side shadows on picture

it sounds as if there are speakers to close to the tv or the built in speakers are not magnetically sheilded properly (maufacturer defect) if u have or have ever had speakers on the left and right side of your tv then the magnets in them will discolor and distort the screen. sometimes even long after the speakers have been moved away from the tv it will still look that way. you may try going to the library( or online )and looking in tv repair books on how to build a homade degauser unless your tv has that feature built into it in the menu somewhere like some computer monitors do. I had placed the front speaker of a 5.1 surround sound system on top my tv and it cuased that same problem, but i found out that by placing a small round magnet with a hole in the center on top of the tv (after removing the speaker for good) right where the discoloration was.. had to flip it one side or the other to get proper immediatly took away most of the discoloration and over time it disappeared. I hope this helps. Please email me at as to your conclusion in case it will help others. thanks, Adam

Oct 10, 2007 | Philips 51PW9303 51" Rear Projection...

1 Answer

Can't converge the whole screen at once

A surround sound receiver wouldn't cause issues itself but the possibility that speakers could cause issues is there. Speakers usually are an issue with direct view CRT televicions more than CRT projections. Don't move any physical adjustments on the CRT's unless you understand what each magnet is accomplishing on it. It is a electrical alignment and most likely one that has to be done in the technicians convergence alignment settings not the consumers.

Feb 22, 2007 | Panasonic PT-47X54 47" Rear Projection...

Not finding what you are looking for?
Hitachi 50V715 50" Rear Projection HDTV-Ready Television Logo

Related Topics:

45 people viewed this question

Ask a Question

Usually answered in minutes!

Top Hitachi Projection Televisions Experts

Jaime Hernandez

Level 3 Expert

2267 Answers

matt martin
matt martin

Level 3 Expert

1191 Answers

Donald DCruz
Donald DCruz

Level 3 Expert

17129 Answers

Are you a Hitachi Projection Television Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides