(28-12-2020, 08:33 PM)g67wjjk Wrote: I've pulled the UHF modulator off the board - will wire in an 8-pin DIN socket compatible with the Amstrad CPC Plus so I can re-use my existing cable.
Tempted to replace the dual 7805 linear regulators and do away with the massive heat sink ...
Why not if you're game. There are many 12V to 5V 1.5A DC-DC converters around.
The OKI-78SR-5/1.5-W36-C seems to fit the bill. (The TRACO 1-2450 you mentioned seems underrated @ only 1.0A output)
Just make sure that its switching noise doesn't affect the CPC PLUS's operation.