Diagnosis
13
Key Combination Instruction
Press and hold the following key combination then power on can achieve some special functions.
Press the lowest “C” + “C#” + “D” +”Eb” to enter Firmware Update Mode.
Press the lowest “C” + “C#” + “D” + “E” to enter System Self-testing.
System self-test function could assist QA do a comprehensive check with these functions: LEDs, MIDI
OUT ports, function buttons, keyboard, pedals, USB and so on.
Before power on, please follow the procedures below:
1. Connect the USB port of the instrument to a computer. Connect the MIDI OUT port to a sound source.
2. Hold down the lowest “C”+ “C#”+ “D”+ “E”, then push the Power Supply switch to battery.
Run the software MIDI-OX on computer, then select the “
Keystation 49”or“Keystation 61”
in the
MIDI Inputs box. Select “Microsoft GS Wavetable Synth” in the MIDI Outputs box. As shown in the
picture below:
Summary of Contents for Keystation 88 MK3
Page 5: ...SERVICE MANUAL MIDI KEYBOARD Keystation 88 MK3 ...
Page 8: ...General Exploded Drawing and List 4 ...
Page 9: ...Main Board Schematic Circuit Boards 5 ...
Page 10: ...Function Board Schematic 1 Function Board Schematic 6 Circuit Boards ...
Page 15: ...Main Board T O P Main Board BO T PCB Boards 11 ...
