STUDIO REPAIR » Roland » D-50 »  Main Board     [Image 7 of 17]  :: Jump To  
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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 - Display * I-64 Shakuhachi

Roland D-50 - Power Supply * PSU Board - PCB 22925447 / Assys 76180161/76180164

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
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Roland D-50 - Main Board - Image by Nikolaus Riehm
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

Roland D-50 - FX Circuitry * Main Circuit Board - PCB 22925445 / Assy 76180090 - Roland MB87137 Chorus ASIC & MB87126 Reverb ASIC

Roland D-50 - D/A Converter * Main Circuit Board - PCB 22925445 / Assy 76180090

Roland D-50 - Main Board * Main Circuit Board - PCB 22925445 / Assy 76180090 - Soldering Side

Roland D-50 - Keyboard Electronics * Dyna Scan Circuit Board - PCB 22925449 / Assy 76180150 - Roland MB63H149 Gate Array

Roland D-50 - Keyboard Electronics * Dyna Scan Circuit Board - PCB 22925449 / Assy 76180150 - Component Side

 
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