Question about Hitachi 46F500 46" Rear Projection HDTV-Ready Television

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Pictures very dark, Brightness all the way up. Contrast does not adjust

My Hitachi 46f500 rear projection HD TV became very dark and hard to read menus 2 days ago. I have the Brightness turned up all the way. The contrast does not seem to change when I adjust it. Some pictures are so dark I can not see. The menus and banners can be hard to read sometimes. Thanks

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I have the same problem. I was able to temorarily fix the issue by taking the back cover off and blowing all of the dust out. But this only worked for two days. Now the problem is back. Did you fix the issue with your tv? Thanks.

Posted on Feb 10, 2010

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Posted on Jan 02, 2017

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Hey own a 2003 hitachi model #46f500. love it a lot,but has a tint of red on screen. when dark movies are on gets real dark. when its day light on tv it looks great. info please


It sounds like the CRT tubes are weak which will not practical to replace them.

But try to clean the dust on tube first and if it doesn;t help do this...

Caution!
Risk of electric shock, focus block carries 4 kilo votls, do at your own risk or DO NOT do it at all.

Just try to adjust the screen voltage adjustment to brighten the 3 tubes from focus block, to do this you have to open the back then let the TV run for abut 10 minutes beofre adjusting, each tube has its own screen voltage adjustment, read the label make sure not to tuch the focus adjusment, do not crank up too much make it very slow or your TV will show retrace lines or it will shutdown.

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Hitachi 46F500 will not recognize a Playstation 3


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1 Answer

46" Rear Projection Hitachi - Green / Yellowish Screen


daveT29 - I had my brightness cranked, too. The picture went dark and off-color after moving the TV from one corner of the living room to another.

After waiting for the TV repairman for about 4 weeks, I "fixed" it myself. Take the front panel off (4 screws, then a black panel) and blow out all the dust. I was afraid to use a swiffer duster because of the static electricity, so i just used with my mouth blowing powers.

That's it. Seriously.

Jan 09, 2008 | Hitachi 46F500 46" Rear Projection...

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Pull the back off and tap on the deflection board. Does it get brighter? If so, you have a bad connection and or cold solder joint.

Dec 07, 2007 | Hitachi 46F500 46" Rear Projection...

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Adjusting visuals on the TV does nothing


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convergance ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm

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