ALESIS QUADRAVERB DIGITAL EFFECTS PROCESSOR - FOR SPARES OR REPAIR in Edinburgh, Midlothian for sale

Alesis Quadraverb Digital Effects Processor for spares or repair. Comes with original power supply. No manual or box. Input LEDs light up when the unit is switched on but the screen no longer lights up and effects cannot be accessed. Probably a simple repair but I don't have the expertise. SPECIFICATIONS: FREQUENCY RESPONSE: 16Hzto20KHz DYNAMIC RANGE: 85dB DISTORTION: 1% typical with 1KHz signal applied at OdB SIGNAL LEVELS: Nominal Input Level -10 to +4 Peak Input Level +20dBv Peak Output Level/Wet +14dBV Peak Output Level/Dry +20dBV INPUT IMPEDANCE: 1 Meg Ohm Per Channel in Stereo 500K Ohm in Mono PROCESSOR SPEED: 24 Million Instructions Per Second CONVERSION SCHEME: 16 Bit Linear PCM USER PROGRAMS (RAM): 100 FACTORY PROGRAMS (ROM): 90