I had a blueray disc payer harman kardon model bdp1 . It doesn't play all disc : cd , blueray . On tv sreen , there's words " format unknown" . I don't understand how to fix
I understood your problem...Harman Kardon BDP1 BluRay Player generally it cause due to lens problem and data processor it may be creates a problem.
you have one option to use lens cleaner CD which removes dust from the lens it may be helpful to you.
Thank you for giving me opportunity to solve your problem.
please give me your Ratings!!
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