On-Screen Diagnostic Menu for KV36HS420?

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JStar
On-Screen Diagnostic Menu for KV36HS420?

Greetings everyone! Is it possible to call up an on-screen diagnostic menu for my Sony KV-36HS420? If so, does anyone know the keystroke sequence to get to it?

I've having intermittent picture problems that I think are a degaussing issue.

Thanks in advance,
James

 

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