STUDIO REPAIR » Roland » JUNO-60 »  Right Panel PCB     [Image 37 of 57]  :: Jump To  
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Roland Juno-60  •  Right Panel PCB
Dismounted right panel PCB
Roland Juno-60 - CPU / Voice Board * Board OPH161 / PCB 052H370C - Soldering Side

Roland Juno-60 - CPU / Voice Board * Board OPH161 / PCB 052H370C - Soldering Side

Roland Juno-60 - Master Oscillator * Varicap-based high frequency oscillator circuitry (variable capacitance diode used as voltage-controlled capacitor for the VCO)

Roland Juno-60 - CPU / Voice Board * Board OPH161 / PCB 052H370C

Roland Juno-60 - VCA Section * Board OPH161 / PCB 052H370C - Voltage Controlled Amplifiers - One Roland BA662 OTA per Voice

Roland Juno-60 - Envelope Generators * CPU Board OPH161 / PCB 052H370C - Envelope Generator Section w/ one Roland IR3R01 per Voice

Roland Juno-60 - CPU / Voice Board * Board OPH161 / PCB 052H370C - Waveform & VCF Section (Roland IR3109 Quadruple OTA for VCF Applications)

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Roland Juno-60 - Right Panel PCB - Image by Nikolaus Riehm - Equipment courtesy of Marek Hemmann
Roland Juno-60 - Panel Board * Panel Board A OPH187 / PCB 052H410C

Roland Juno-60 - Panel Board * Panel Board A OPH187 / PCB 052H410C

Roland Juno-60 - Panel Board * Panel Board A OPH187 / PCB 052H410C

Roland Juno-60 - Right Panel PCB * The right hand panel PCB contains the Intel 8251 USART for the DCB connection

Roland Juno-60 - Picture * The right hand panel PCB contains the masked-programmed 80C49 panel controller. It scans all pots, sliders, buttons and stores the patches into memory and handles the cassette tape writing and reading.

Roland Juno-60 - Memory * IC11 and IC12 is the battery backed-up patch memory. 1k x 4 bit per chip = 1 kilo byte

Roland Juno-60 - Opened * Left Hand Controller Section Dismounted



 
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