To start off my tv is a standard 36" zenith inteq model number IQB36B42W. My tv was purchased 8 years ago and has worked fine until this year. My tv was moved to another room and worked great at first. Then one day I turned it on and the picture was too dark to hardly see anything. I eventually switched to the atenna view which showed some static (which was brighter) just so I could see the menu. The menu was completely black until I went through every option to finally see a slightly brighter picture. I turned the brightness and contrast up, but everything is still too dark. The setting I used for the tv is a custom setting and the other settings show too dark. One exception is a digital preset mode which gave me the slightly brighter picture. Another odd thing is that the picture-in-picture shows perfect. I also switched the input from the a/v connection to component video and that shows even darker. Can you please help me with this problem.
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Zenith's service site lists a manual for a model IQB36B42W manual, and it will probably be close enough. But the site is pretty lousy. You can't just download the manual; you have to view it on the site. The manual is in djvu (deja vu) format, and Internet Explorer is required so an activex control can install a viewer your computer. It doesn't work if you try using Firefox like I do, and I don't know if Google Chrome will work either. But if you want to jump through all the hoops you can see if the manual helps.
You can also try calling LG Electronics customer service at (800) 243-0000. They own the Zenith brand now and maybe they can help get you a copy of the right manual.
TV FINE UNTIL 2 NIGHTS AGO HAVE HAD 4 YEARS, STARTED HAVING A FOGGY SCREEN WITH WHITE HORIZONTAL LINES. HAS SOUND
A FOGGY SCREEN WITH WHITE HORIZONTAL LINES. called retrace lines please check
1 screen control on eht transformer is mituned
2 supply to screen of crt
3 supply to rgb video output is absent
4 connector loose
5 crt base loose
Open the TV amd turn it on in a position you can see the picture, possibly through a mirror. Now gently tap all of the metal heat sinks on the circuit board until you find the one that is sensitive it will have a small chip mounted vertically on it, with probably like 7-10 pins. The number on the chip will most likely be an "LA****" number. Now turn the circuit board (UNPLUG FIRST) over and resolder the pins. This is your problem 99% of the time. Be very careful there is High Voltage inside this TV.