Rhodes Chroma Aftertouch System Installation Manual Download Page 1 | Manualshive

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POLYPHONIC AFTERTOUCH SYSTEM

FOR RHODES CHROMA

Installation Manual

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Summary of Contents for Chroma Aftertouch System

Page 1: ...POLYPHONIC AFTERTOUCH SYSTEM FOR RHODES CHROMA Installation Manual...

Page 2: ...ce than should have been necessary to engage aftertouch We noticed that the Chroma keyboard has the same style of keys as the Prophet T8 and Synclaviers which both have fully adjustable great feeling...

Page 3: ...he keys and set aside Clean any dust and debris from the keybed You will see two sets of guide pins each with a different type of felt ring Fig 1 The thick green piano felts are the front rail punchin...

Page 4: ...Figure 2 Removing Balance Rail Felts Figure 3 Paper Spacers Remaining Figure 4 NEA Quick Recovery Foam Punchings...

Page 5: ...ected to the Upper Sensor Board using the 12 pin 1 FFC connector J2 on the Lower Sensor Board should be connected to J1 on the Upper Sensor Board Solder the FFC connector on the bottom side of the PCB...

Page 6: ...PCBs is flush with the balance rail Fold the DIP connector cable as shown in Figure 10 and be sure to secure the cable so that it will not be in the way of anything such as other keys or the lid Plug...

Page 7: ...d down yet so you can just slide the pcb to the side and access the sensor you want to test Verify that aftertouch is working Adjust the SENS ADJ on the Lower Sensor Board if needed This is a global s...

Page 8: ...Figure 12 Alignment of Sensors With Keys Figure 13 Alignment of Aftertouch Assembly With Balance Rail Figure 14 Marking Screw Holes With Awl...

Page 9: ...This is typically 1 5 from the key front Fig 17 18 but can vary slightly so measure this distance on your keyboard to make sure it s the same Mark the black keys as shown in Figure 19 Use an awl to ma...

Page 10: ...Figure 17 Correct Location of Screw on a Sharp Key APPROXIMATELY 1 5 Figure 18 Correct Location of Screw on a Sharp Key Figure 19 Example of Starter Hole Marked With Awl...

Page 11: ...e keystroke aftertouch will engage too early and will engage when playing notes at high velocities Both of these are undesireable If the screw comes into contact with the foam too late in the keystrok...

Page 12: ...Figure 22 Black Key at Rest Figure 23 Black Key Depressed No Aftertouch Engaged Figure 24 Black Key Depressed Aftertouch Engaged...

Page 13: ...Normal Key Stroke Note how close screw comes to the sensor foam without actually touching it Figure 26 Back of Key Hitting Back Rail Felt During Keystroke Figure 27 Back of Key Pressing on Back Rail...

Page 14: ...of making the action quieter If you need a set of foam front rail punchings for the Chroma they can be purchased separately on our website When you feel that the aftertouch response is uniform across...

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