Question about Hitachi 50V500 50 in. HD-Ready LCD Television

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Tv discoloration I have a hitachi 50V715 and the middle of the screen has this yellowish tint to it making whites look yellow but its just in the dead center everywhere else is fine the picture is still great just that one color issue any solutions?

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  • Anonymous Aug 29, 2008

    I have the same problem except mine started out as a red blur. I replaced the lamp hoping that would clear it up, but it did not. Now not only do I have the red blur but the screen is also turning yellow.

  • Anonymous Sep 05, 2008

    recieved new(new ??) light engine for my hitachi 505000A. recently noticed a yellow spot about the size of a silver dollar. Is there more to come? Will keep an eye on it and this better be quaranteed for more than the usual thirty days. a new t.v. is quaranteed for a year. a new part should recieve a year as well.....unless its a rebuilt part.

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I had whole redish/pinkish screen on my 50v500 starting a few days ago, then I read through each of the threads on this site for the samilar problems on my model. I found TVtechmaniac's solution (pasted below) solved my problem. Thank you TVtechmaniac!

Enter the I2C Service Menu, be sure the power is OFF.
1. On the front control panel, press and hold the INPUT button.
2. Then press the POWER button for two seconds.
3. You may keep the INPUT button depressed until you see the OSD with the Service Menu displayed.
4. If you don't see the service menu, please repeat Process making sure you wait until the Power blinking LED stops.
5. Execute the Memory Initialize operation after the adjustment values have been written on a sheet of paper. Highlight “MEMORY INTI”, arrow to the right and hold the button to the right (approx 5 sec.) until a check mark appears in the box. This activates the Memory Initialization.

6. After the Memory initialize operation has finished (10~15 sec, the channel will revert to CH 3.) the pink image symptom should be fixed.
7. Write back the adjustment values from your notes to their respective adjustment parameters in the adjustment mode. (In other words, set the Data Values back to the the Data values written down before the Memory Initialization procedure). NOTE: Make sure the SELECT Button is pressed on remote after every change to the values. Failure to do so will result in the data values not being changed.
8. Exit I2C menu. Press exit repeatedly until you go back to the normal picture.
9. Turn the set off-on and Confirm the picture remains in a good condition.
BE SURE TO COPY DOWN DATA SETTINGS BEFORE INITIALIZING I2C SETTINGS

Posted on Aug 31, 2008

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1 Answer

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The Optical Engine needs to be replaced. Due to the cost of the repair, I recommend you to call Hitachi at 1800-HITACHI to see if they could help with repairs and also refer a Service Facility to you to confirm the symptom.
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