Question about Toshiba 43H70 43" Rear Projection Television

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Toshiba 43H71 - remote sensor not working

The remote sensor is not working on my Toshiba 43H71 43" Projection tv
I replaced the remote and are sure it is not a remote problem.
Can i fix this myself? If so how?

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The sensor is not the only fault that can cause the remote control to not work. The sensor is only one part of the circuits involved.

Between the sensor, there may be buffer amplifier stage, and then there is the main uPC.

What we do is send a remote IR data signal to the sensor, and on the circuit board in the set I follow the data signal along its path using a scope in reference to the service diagrams to see where the data loss is.

Personaly, I would not blindly buy a new sensor based on a guess without doing the proper tests.

Jerry G.

Posted on Jun 13, 2008

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Posted on Jan 02, 2017

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