The Soundbrush 55 from Roland is a MIDI player that reads files from floppy disks! A viewer owns the device - unfortunately, capacitors leaked and destroyed both motherboards inside the device! Today, we are going to restore both boards, play with a Yamaha Tone Generator - and have a brief look at what I will do in the coming videos! Happy new Year 2025 everyone!
@tony359's ISA adapter:
8-bit: https://www.pcbway.com/project/shareproject/8_bit_ISA_90_degrees_card_riser_2c3e3bb0.html
16-bit:
https://www.pcbway.com/project/shareproject/16_bit_ISA_90_degrees_card_riser_175d8c84.html
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▬▬▬▬ *Timestamps* ▬▬▬▬▬▬▬▬▬▬▬▬▬▬
00:00 Unpacking
06:53 Repair auxiliary board
20:56 Yamaha Tone Generator
22:40 Repair main motherboard
34:34 The result