Just had a quick look at the Philips site, the good thing is: it is still listed for spare parts. The bad thing is, I can't find the manual. But then, you don't need one. Just get your self an Amiga to SCART cable and off you go. There's just a few buttons and knobs that can be pressed / depressed / turned without trouble (luckily, unlike PCs) these monitors do not incorporate 'the wrong button'.
edit: Service Manual
