Hi-Fi Remotes lists three Sony DVD codes: 0193, 0201, 0533 -- give those a try and see what that does for you. (Hi-Fi Remote is a site dedicated to the Cinema7 and Radio Shack remotes, and the 1050's Catalyst48 remote is from that same family of remotes).

You may or may not be interested in some of the past discussions that we've had around here about the 1050's remote -- one of the most useful such occurred in this thread . It mentions some things like the very handy volume punch-through code (993) and the very unpleasant code 981 (reset code, gives the remote a lobotomy that can not be recovered from).

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