nesdev.org

I would try checking continuity on all traces from the PPU and into the sockets on the main board. Maybe something is not properly soldered or connected? thanks! also as @Dwedit said before, address line was broken I found some 2 joints on CPU D0-D7 pins that I refreshed, and that's it. No more art...

I would try to connect it to your tv through component or rgb and see how the image comes up. To avoid any problems derived from a poor cartridge connection, I would use a different type of connector. Maybe a blinking light win or just build a custom connector using a 72 pin edge card connector, or...

Is the exact text "PUST STEVT"? exact text is "PUSH STEVT" Why is the image coming up without any colors? what is your output setup? I'm testing on NES board, installed NESrgb, connected to CRT tv via default composite video output. As I know, it has to work. I didn't try to use...

j5 shorted, j3 used when nes is no fitted with external regulator (according by manual)
I can remove external regulator and short j3 just for a test. Also I've to say I have no any audio from AV / or RGBnes 3.5 jack

thanks to everyone for responses I have something for update investigation results First, I noticed that the palette selection was not bridged on a NESrgb board. I had soldered output #3 and GND (as natural palette). I still don't know is it was necessary, but OK. I had checked console again. Now I ...

Thanks for the response I have 2 cartridges: Tetris and SMB/Duck Hunt. Picture was taken on SMB/Duck Hunt, but on Tetris it is similar. I also discovered strange behavior. I'm testing on a disassembled console, without case. So, for make console read a cartridge, I have to add a little force on it. ...

Hi Recently I have tried to install NESRGB mod on NES-001 NTSC (front loader) console. After all, I tried to check console, but I got red flashing light on front panel. So, I decided to desolder all thing and solder again, probably I did damage PPU, and the problem actually was in bad cartridge conn...