Question about Sharp LC-52D43U 52 in. LCD HDTV

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LC-52 SB55U - Power on problem

Power-up problem, Green light comes on after three sets of two clicks (first one louder) then OCP light flashes with on light.

After repeated re-starts TV finally gets picture and works fine.

Any sugguestions?

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I've read online that upgrading to the latest firmware sometimes resolves this issue. That's kind of shooting in the dark though - I personally would not feel completely confident that a FW flash would actually resolve the issue (as it could still be lurking beneath somewhere, waiting to surface again). If you have no warranty, then the FW flash is not a bad option. It's relatively easy and virtually impossible to screw up!

If you're still under warranty, then I imagine you've figured out by now that you'll need to contact Sharp to fix this issue. Mine was luckily under the extended (15-month) factory warranty when this first happened to me a few weeks ago. I was 13+ months out from date of purchase. Sharp support confirmed today that a tech needed to come out for an all-day appointment next week to troubleshoot the TV. Thank goodness for the extra 3 month warranty I got when signing up for the Aquos Advantage club! Otherwise, my $3400 investment might have cost me at least $700-$800 to fix - only a year out from purchase!

I'll post the root cause once the Sharp tech has left my place later this coming week, so a root cause can be identified. There's no guarantee, however, that my root cause will be the same as yours - despite the fact that I am also getting three sets of clicks - there is no guarantee that we have the same issue!

Good luck!

Posted on Dec 27, 2009

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OPC stands for Optical Picture Control

Sharp TVs have a sensor to adjust brightness based on how bright is the room (OPC).
You can also set it up to have a visual clue of what that value is (1 light bulb, 2 , 3, etc.)
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http://www.justanswer.com/tv-repair/2s1pt-sharp-lc-tv-model-37sb24u-power-ocp-light-plinking-can.html

http://www.avsforum.com/forum/166-lcd-flat-panel-displays/950098-sharp-opc-feature.html#/forumsite/3207/topics/950098?page=1

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Green power light now comes on and goes out in few seconds:

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