Originally Posted by fafrd
Widescreen content will quickly cause temporary IR of the central image area. This should be automatically cleared up by the comp cycles but if there is a defect with the TV so that the comp cycles are not running, that would explain this result.
Temporary IR and permanent differential-aging-based burn-in apoear exactly the same.
Temporary IR develops very quickly (hours) while permanent burn-in debelops very slowly (hundreds or thousands of hours).
Temporary IR can be effectively erased (compensated for) through comp cycles while burn-in, once it becomes apparent, cannot be erased or compensated for in any way.
Are these Comp cycles same as Panel refresh.
There is nothing mentioned in the manual of Sony A8F about a comp cycle.
But the manual does state this '' If the same image is displayed repeatedly or for long periods of time, image retention may occur. To reduce image retention, we recommend that you turn off the TV normally by pressing the power button on the remote control or the TV.
Panel refresh automatically runs after the TV has been used for long periods of time to reduce image retention. Panel refresh starts after the TV is turned off and takes about one hour to complete. A white line may be displayed on the screen during the Panel refresh. This is not a malfunction of the TV.''
No mention of the word Comp cycle at all.
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