Hello all,

I'm trying to find a user's guide or a service manual for a Hitachi TV model number "CTZ7883B" or "CT27883B"" television.

What I need to know is the IrF code set.

Thanks,
Don

Try this:
Hitachi remote control codes manuals replacement (http://www.hitachiremotes.com/)
Also check here:
GE Universal Remote Codes (http://www.jascoproducts.com/support/universal-remote-codes.asp)