STUDIO REPAIR - Roland D-50 - Power Supply

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▪ Device:		Roland D-50
▪ Topic:		Power Supply
▪ Abstract:		PSU Board - PCB 22925447 / Assys 76180161/76180164
▪ Creator:		Image by Nikolaus Riehm
▪ Website:		studiorepair.com
▪ Editor:		Nikolaus Riehm

STUDIO REPAIR » Roland » D-50 » Power Supply

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Roland D-50 • Power Supply

PSU Board - PCB 22925447 / Assys 76180161/76180164

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Roland D-50 - Power Supply - Image by

Roland D-50 - Main Board * PCB 22925445 / Assy 76180090 - Blue PCB: Musitronics M.EX D-50 Expansion

Roland D-50 - Opened * …

Roland D-50 - Keyboard Assembly * Disassembled for Cleaning

Roland D-50 - Main Board * PCB 22925445 / Assy 76180090 - Blue PCB: Musitronics M.EX D-50 Expansion

Roland D-50 - Main Board * PCB 22925445 / Assy 76180090 - Roland MB87136 Synthe ASIC (Blue PCB is the Musitronics M.EX D-50 Expansion Board)

Roland D-50 - Main Board * Main Circuit Board - PCB 22925445 / Assy 76180090 - NEC μPD78312 8-Bit MCU & Roland/NEC μPD65005G-062 Gate Array

Roland D-50 - Main Board * Main Circuit Board - PCB 22925445 / Assy 76180090 - NEC μPD78312 8-Bit MCU, Roland/NEC μPD65005G-062 & Roland HG61H25B18F Gate Arrays

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