I think this happened before and it was a fuse but I checked all the fuses this time and they are fine. The cables seem fine. The 5V connection appeared to be 4.75V. Any other common reasons that the display would be totally out?
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i may be wrong, but from what i understand from the schematic is as follows
on the dot matrix board at P1
you should have
pins 1-8
1 yellow/black -110 vdc
2 grey/yellow -98 vdc
3 key
4 yellow ground
5 black ground
6 red +5 vdc
7 blue +12 vdc
8 violet/yellow +68 vdc
The HV section of your DMD controller board is cooked. Common problem with DMD pins.
Thanks. Can I just swap out the power supply board with one of these? http://www.rottendog.us/DPS004.htm
You can buy a new PS, but PSes are very simple to fix if you can do board work. Do you know anyone that can work on it?
You can buy a new PS, but PSes are very simple to fix if you can do board work. Do you know anyone that can work on it?