I got to thinking, and I pulled apart one of my cheap RCA ATSC boxes from WalMart. To my pleasant surprise, the power supply is a SEPARATE BOARD!!!!!!! The main board takes a single 12v line from the power supply, which is a very simple 12v regulated switchmode supply. The main board is about 4" square. I immediately started thinking; there are several collectible mini-TV, including some of the Sony Trinitrons from the 70s and 80s, which might have space inside for that board! If so, I could just pick off 12v from the TV's supply, and mount the IR receiver secretly someplace on the TV. Then whether on battery or AC, the mini-TV would be usable
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When I have time, which is Heaven knows when, I'll make a project of it and report. If anyone else has these thoughts, please share.....
Charles