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Rhodes Chroma: I/O Board - Documentation of the I/O Board Assembly
 

Rhodes Chroma - I/O Board - PCB * Model 2101 - I/O Board: Dismounted
Rhodes Chroma - I/O Board - PCB * Model 2101 - I/O Board: component side
Rhodes Chroma - I/O Board - PCB * Model 2101 - I/O Board: soldering side
Rhodes Chroma - I/O Board Blueprint * Model 2101 - Blueprint of the I/O circuit board extracted from the service manual
Rhodes Chroma - I/O Board - Circuitry * Model 2101 - I/O Board
Rhodes Chroma - I/O Board - Label * Model 2101 - I/O Board Label: ASSY 30-7225801, FAB 30-5423101
  I/O Board - PCB  
  I/O Board - PCB  
  I/O Board - PCB  
  I/O Board Blueprint  
  I/O Board - Circuitry  
  I/O Board - Label  
Rhodes Chroma - I/O Board - Circuitry * Model 2101 - I/O Board
Rhodes Chroma - I/O Board - Circuitry * Model 2101 - I/O Board
Rhodes Chroma - I/O Board - Circuitry * Model 2101 - I/O Board
Rhodes Chroma - I/O Board - Circuitry * Model 2101 - I/O Board
Rhodes Chroma - I/O Board - Circuitry * Model 2101 - I/O Board
Rhodes Chroma - I/O Board - Logotype * Model 2101 - I/O Board
  I/O Board - Circuitry  
  I/O Board - Circuitry  
  I/O Board - Circuitry  
  I/O Board - Circuitry  
  I/O Board - Circuitry  
  I/O Board - Logotype  
Rhodes Chroma - I/O Board - Displays * Model 2101 - I/O Board
Rhodes Chroma - I/O Board - Displays * Model 2101 - I/O Board
Rhodes Chroma - I/O Board: Display * Model 2101 - I/O Board: 9-digit seven-segment numeric LED display with 3mm character height (TIL393-B)
Rhodes Chroma - I/O Board - Display * Model 2101 - I/O Board: Detail view of the 3mm seven-segment numeric LED display
Rhodes Chroma - I/O Board - Processor * Model 2101 - I/O Board: Keyboard scanning microcontroller (Intel 8039, a member of Intels MCS-48 family of 8-bit microcontrollers)
Rhodes Chroma - I/O Board - Circuitry * Model 2101 - I/O Board: Cassette motor control and I/O circuitry
  I/O Board - Displays  
  I/O Board - Displays  
  I/O Board: Display  
  I/O Board - Display  
  I/O Board - Processor  
  I/O Board - Circuitry  
Rhodes Chroma - I/O Board - D/A Converter * Model 2101 - I/O Board: Main D/A Converter (AD7541 12-bit DAC)
Rhodes Chroma - I/O Board - D/A Converter * Model 2101 - I/O Board: Reference D/A converter (AD7523 8-bit DAC). It adjusts the scale factor of the pitch by trimming the Main D/A converter's reference voltage.
Rhodes Chroma - I/O Board - A/D Converter * Model 2101 - I/O Board: The ADC0809 A/D converter serves all analog control inputs (Lever 1 & 2, the Tune & Parameter slider, both Pedal inputs and the battery voltage).
Rhodes Chroma - I/O Board - Selenoid * Model 2101 - I/O Board
Rhodes Chroma - I/O Board - Selenoid * Model 2101 - I/O Board
Rhodes Chroma - I/O Board - Slider * Model 2101 - I/O Board: Parameter Control Slider
  I/O Board - D/A Converter  
  I/O Board - D/A Converter  
  I/O Board - A/D Converter  
  I/O Board - Selenoid  
  I/O Board - Selenoid  
  I/O Board - Slider  


 
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