Famicom Power and AV board
Modification for Nintendo Famicom. This board replaces the power supply board as well as has built in Conversion to composite video signals and some extras like a LED power out.
Been a while since I made this project but here is a parts list from what I remember:
R1, 300ohm
R2, 110ohm
R3, 180ohm
IC1, L7805cv ( any 7805 will work)
IC2, 2n 3906
C3, 0.1uF
C5, 220uF 16V
C6, 220uF 16v
C7, ( not sure could be 0.1uF or between 10-220uF)
C8, 1000uF 25V
Between C8 and IC1 not labeled: 47uF 25V
Fuse: 7v-24v at 2.5 amp
DC jack: R/A PCB 5.5X2.1MM (Digi-key part#839-1512-ND)
Audio/video output: JST 4 pin male connector
Famicom Power and AV board
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
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These were never meant to be used by anyone but me. I had a lot of famicoms I was fixing a while back. Basically you remove old power board solder this one in its place. Then drill holes for video and audio out, I used a 3 pin 3.5mm audio jack. run wires from PPU pins with shielded wire.
Would you be able to upload a picture of a completed board, anything that would help with my build. I can't understand where you fitted an 3.5mm jack either
I bought all the parts listed but I'm trying to figure out how it's installed once built