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I want you to do a simple visual check of something that will tell me what the problem may be.
Go to a channel that is in black and white--old movie and tell me what color the screen/picture is.
You can also turn the COLOR in the customer menu all the way off and look that way.
What we are trying to see here is if TRACKING is set correctly or has changed. If the screen is somewhat to medium reddish it may be an adjustment outside of the customer menu.
Let me know what you find--I have seen several of these where the black and white picture was somewhat red--the idea is it should be as close to black and white as possible--if red is the predominant background color the picture will look reddish.
If this has helped and you confirm the red instead of black and white picture--I can tell you a easy way to adjust this.
If this information told you something you did not know and helps you rate this solution as I do this here for free.
Depending on your TV, you may have a Color Temperature (Color Temp) and/or Hue setting in the menu. Use these options to adjust the picture to the setting that best suits your viewing preference. If your TV has a Color Temp setting, you will normally have the following options to select from:
Cool: Gives the picture a cooler, slightly bluish appearance.
Neutral: Gives the picture a neutral, more natural look and appearance.
Warm: Gives the picture a warmer, slightly reddish appearance.
If your TV has a Hue setting, follow the appropriate step below to make adjustments:
Move the setting to the right to reduce the reddish appearance.
Move the setting to the left to reduce the greenish appearance.
Solution for the Hitachi 50V715. I contacted Hitachi and they told me there is a problem with the color engine with this and other Hitachi models. They will replace the part for free, but first I need to take it to a repair shop to verify the problem and I have to pay labor. Not too bad considering the cost of the engine.