I just killed my 600

[mfilos]

Well if I understood correctly, that's what happened. 12V to 5V so most probably the CF card is dead. I wouldn't be so sure about the miggy though. They're resilient fokers
First of all check the CF card in a CF reader an in a PC (And check in disk management if the PC recognise the card physicaly)
Second, check via correct powering the miggy, (without CF adapter mounted) if Amiga starts up.
One last easy step, is check with a multimeter in continuity test, the +5/GND and +12/GND and +5V/+12V. If it beeps... then it's bad

Maybe people with more experience can help you better mate

Good luck

[mfilos]

Easily....

You put inside the A600, DJBase's SVHS adapter that is soldered in U12 chip, and then you take the signal and put it in an El'Cheapo SVHS to VGA box.
Alternative, you can get Amigamaniac's RGB to SVHS adapter (that plugs in Amigas 23pin RGB) and use it again with an SVHS to VGA box