Quoted from Ive:Hi
This is my board.
Made some progress - it seems a bad connection at the power connector . If I press on it / wiggle it will power up.
I reflowed the header pins and no difference so will need to repin the connector - I don’t have a replacement to hand currently.
However still not getting past the logo screen ? Tried reset button . No difference. Tried swapping round ribbon cables to the machine. No difference.
Tried with MicroSD card in/out . No difference.
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Did you put in a new cable from DMD driver board in the backbox to the screen - or did you just turn it around?
The cable is the right way around - for example the red lead goes to pin #1 on the DMD driver board and to pin #1 on the Pin2Dmd screen?
Could be the DMD driver board itself, power to the DMD driver board or cables/connector to the DMD driver board.
It looks like the Pin2Dmd is reading the SD card and loads the palette from there.