My Hitachi TV model # 57f710s doesn't have picture or sound.
I was watching my tv and all of a sudden the picture and sound cut off.The red light was still on,but I had no picture or sound.I had to cut it off manually because the remote had stopped working.I tried to cut it off and on several times but to no avail.I even cut it off and waited a day,but it still doesn't work.What could be the problem?Could you please help?
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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 moreinformation 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....
I don't know what model you have,but... I have a 50v715 and it was doing the same thing and it turned out to be the lamp. So if you have not replaced the lamp in a while then it could just be it time. Hope this is helpful.
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