Question about Hitachi 57F500 57" Rear Projection HDTV-Ready Television

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Hitachi 57f710s hi...i have had a hitachi 57f710s tv for exactly 2 years. all of a sudden my picture has become drastically darker and with a prominance of red tones. any help would be greatly appreciated thanks

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Re: hitachi 57f710s

Sounds like a video board problem. May also be the convergence board. You might get some freeze spray ( a component cooler that comes in a spray can ) and while the set is on, spray the boards and see if the problem temperarly corrects. This is to isolate the problem. Once the problem is isolated, you can change the bad component. Good Luck
NC Electronic
Mills, Wyoming

Posted on Jan 06, 2008

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How to fix my hitachi 65 tv

If you are saying that the picture is getting darker and you have already tried to adjust the picture through the menu feature on your TV then it is more than likely the cooling fluid around the CRT tubes. Over time the fluid in these tubes gets cloudy and causes your TVs picture to become dull and distorts the color. You can google tv repair kits .com and I believe they will have a kit for your model.

Feb 21, 2012 | Hitachi 57F500 57" Rear Projection...

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HITACHI 57F710S - no red in picture. Magic Focus shows Red, Blue and Green perfectly. But when "Magic Focus" is done, picture doesn't have red in it. Help!

Projection sets have two very common problems listed below. bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya

The first common problem is convergence

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 Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link below.

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

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant 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

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya

Apr 25, 2011 | Hitachi 51F710 Rear Projection Television

2 Answers

Pic suddenly went dark, very dark. Images seen are oversaturated. hitachi ultrascan hd is about 8 years old. Help!

I have the same problem. I took the back cover off of the TV and blew all of the dust out and the TV started working again. But this only lasted 2 days. Now the TV is dark again.

Jan 19, 2010 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

Color red seems to be more prominant...than other

I've had this problem with my projection TV recently. I would say your lens/lamp is to blame. It might be time to change it, depends on the last time it was changed, most of the time, the TV will tell you that it needs to be changed, but not always. I think your best bet is the TV lamp.

Oct 20, 2009 | Hitachi Projection Televisions

2 Answers

LG rear projection colours out of alignment

I have a similar problem with an LG (except my red is the one that is fine) and was able to talk to a tech in some detail about it. The tech prefaced by saying that he had done a hundred or so of these with exactly the same issue. This is very common and the life span of rear projection televisions is not great. Having said that, plasmas and LCDs are also limited in life span mostly due to modern high performance gaming machines which shorten the lifespan of monitors both plasma and LCD alike.

From what I have gathered, this is not a problem that you can easliy sort out. (Of course they would say that though) It involves replacing the digital board which means soldering followed by aligning the lamps which requires quote a lot of expertise.

The part itself apparently costs around $200 Australian and the labour will vary for the cost of the technician but I was quoted that the labour was about the same cost as the part.

Not sure if I would call this solved but I hope it has been at least a little helpful.

May 26, 2009 | JVC AV-56P575 56" Rear Projection...

1 Answer

My Hitachi TV model # 57f710s doesn't have picture or sound.

It very well could be the flyback unit around 70.00 for part!

Dec 07, 2008 | Projection Televisions

1 Answer

My Hitachi TV model # 57f710s doesn't have picture or sound.

this could be your flyback (one of the most common problems) the part is cheap but the pro you need to put it in will not be!

Dec 07, 2008 | Hitachi 57F500 57" Rear Projection...

1 Answer

Hitachi 57f500

You may have a bad convergance chip, a bad CRT( picture tube ), CRT Board ( board pluged into the picture tube),or a bad video chip. Although this is somwhat a common problem on this model of set, I have found many different fixes. Sorry I can't be of more help. Good Luck
NC Electronic
Mills, Wyoming

Nov 12, 2007 | Hitachi 57F500 57" Rear Projection...

2 Answers

Dark , blurry picture

MTNESTR, My guess would be the FBT loc.TH01(flyback transformer) Hitachi p/n#BW03004 which would be far less expensive than replacing the entire deflection board... A shop could ring test the FBT to confirm the failure. I do know the FBT in this unit has an internal resistor that is prone to failure. It is in-line with the focus block and if it's open it would explain the blur and lack of screen voltage to light the crts properly. The deflection board is about $290-$350 plus shipping and a FBT is somewhere between $60 - $90 depending on the supplier. Hope this helps! Bill

Jun 04, 2007 | Hitachi 46F510 46" Projection HDTV

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