Service manual for a panasonic th50px60u?

I've been trying to find a service manual for a panasonic th50px60u plasma tv which contains board schematics and codes to the blinking red power light so that I can repair it. The only one I found was very similar to an owners manual and all the others are on private domains which require a nominal fee to download. Does anyone know where I can get one for free by chance?
Thank you for your help however this particular manual is the one I mentioned that is just like an owners manual... I am looking for one which gives a layout of boards and such. The only thing I have found close to it is one for newer models but all the board and connector codes are different.
 
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