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Double Bass Markbass CMD 102P on the fritz

Hello all. I recently started to experience my amp "cut-out" after about 15 seconds of flipping the switch to ON. It will emit sound, and play for those 15 seconds, but then simply quits. Light indicator remains on. My question is this: Does anyone have a wiring schematic/diagram for this particular amp? I have searched the threads here along with Google to no avail. I contacted Markbass via email, and requested a schematic, but they said NO because I am not part of their distribution network. Anyway, any help is greatly appreciated. Thanks, Rivas