Diagnosis
14
System Self-testing
Operating
Instructions
System self-testing consists of 3 parts: tests 1 ~ test 3. Use the following control buttons to switch
between the tests.
Hold down the [ADVANCE] button, then press [
OCT+
] to switch to the next test item.
Hold down the [ADVANCE] button, then press [
OCT-
] to go back to the previous test item.
Test 1: Function Buttons
Follow the numbers marked in Red to check the buttons, starting from “1”,and press the sustain pedal at
las,If right OctLED-
、
light green, or they light red.
After all buttons are passed. Hold down the [ADVANCE] button, then press [OCT+] to switch to Test 2
(Keys).
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 ...
