Mitsubishi WT-46809 Code 21 X-Ray Protect circuit

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jbhebert
Mitsubishi WT-46809 Code 21 X-Ray Protect circuit

Hello:

 I have a WT-46809 that stopped working recently.  If I turn it on, I get a quick flash of green text on the screen and then it shuts down.  Checked the diagnostic code, and it's a 21 (X-Ray Protect circuit).  Based on seaches on this forum, the problem could be a large number of things.  I checked all the fuses and they are all good, including the pico fuses.  I don't see any obviously leaking or mushroomed caps.  My question is two-fold:

 1) Has anyone had sucess troubleshooting code 21s without going to a pro, or should I just cut my losses and get rid of the TV?

2) Would it make more sense to find another WT-46809 for parts and take the main board and power supply out of it?

 Thanks in advance.

 J.B.

 

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