Question about Televison & Video
I think that is DLP TV right? if so you possibly have color wheel problem, You are not able to fixed it through adjustment, you need to replace it in order to working fine again.
Posted on Jan 14, 2013
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Posted on Jan 02, 2017
SOURCE: color issue
What you are seeing is the degradation of hte "light engine". This is normal with extended use. You can try blowing out the area with compressed air to clean out any dust. But any LCD based projection system is subject to this breakdown over time. Can you further describe what you mean by overall picture quality? Is it out of focus? do you see separate colors (convergence problem)?
Posted on Mar 26, 2008
I'll check on your specific model, but this problem is usually caused by degradation of the LCD light engine. Hopefully we can work around it for the short term. I'll update this with the model specific info in a day or so (I'm traveling at the moment).
Posted on Apr 01, 2008
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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