Search found 2 matches

by *ka
September 2nd, 2023, 5:40 am
Forum: Hardware
Topic: [Hardware Mod] NTSC/PAL reference oscillator mod for PU-18
Replies: 64
Views: 197250

Re: [Hardware Mod] NTSC/PAL reference oscillator mod for PU-18

There is a mistake on this, the RF choke and resistor are the wrong way around on the "parts to install" picture for top of PU8, you want RF choke on the power pin and the resistor on the clock out. Are you referring to the photo I posted? I left the resistor and choke in the same positio...
by *ka
August 2nd, 2022, 1:49 pm
Forum: Hardware
Topic: [Hardware Mod] NTSC/PAL reference oscillator mod for PU-18
Replies: 64
Views: 197250

Re: [Hardware Mod] NTSC/PAL reference oscillator mod for PU-18

I made the modification on an NTSC console, model SCPH 1001. I added PAL crystal oscillator, 221 ohm resistor and rfc. On the back of the board I removed a component that connected the PAL signal to ground. https://i.imgur.com/v1J3OYA.jpg?1 https://i.imgur.com/rxB9f75.jpg?2 [youtube]https://www.yout...