Hog1000 Playback card not working

Hi,

I am having an issue with my Hog1000, The playback card (masters 1-8 + GM) is unresponsive from power up. All the LEDs stay lit continuously.

The LCD Backlight is working and at start up the LCD appears to initialise then goes blank

I have looked in the Event Monitor and it is showing no signs of activity from any of the keys or faders.

OS: v3.3(177) ROM lib v5.4

I have checked the PCB connectors and all are properly joined.

Any help would be greatly appreciated!

Cheers!
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