Yamaha MODX6 Service Manual page 41

LCD display
06 : Slider
07 : PB, MW
Checks whether the Sliders (Control Sliders) 1 to 4 work properly or not.
1) Press the [ENTER] button. The target value " <127> " of each sliders are shown on the LCD.
* There is no specific order for the sliders to be checked.
2) Raise the Sliders slowly to the target value (127) according to the display on the LCD.
Check that the current value increases from 0 to 127 smoothly.
3) When 125 to 127 of the current value is detected, the display changes to "<0>" of the target value.
4) Lower the slider slowly to the target value (0) according to the display on the LCD.
Check that the current value reduces from 126 to 0 smoothly.
5) When 0 to 1 of the current value is detected, " OK " is shown on the LCD.
6) When " OK " is shown for all sliders, testing is finished and the display returns to the test item selec-
tion screen.
When the [EXIT] button is pressed during this test, the display is changed to the test item selec-
Note:
tion screen.
Checks whether the Pitch Bend wheel and Modulation wheel work properly or not.
1) Press the [ENTER] button, and the target value " <127> " of each wheels are shown on the LCD.
There is no specific order for these items to be checked.
Pitch Bend wheel
Pitch Bend
2) The target value " <127> " and the current value " 64 " are shown on the LCD.
* When starting this test, check to ensure that the Pitch Bend wheel is at the Center position. If it is
not at the Center position, "Pitch Bend NG" is shown. While "NG" is on the display, even if the
Pitch Bend wheel is moved, "NG" remains displayed.
3) Move the Pitch Bend wheel to the upper maximum position (127) according to the display of the LCD.
Check that the current value increases from 64 to 127 smoothly.
When 121 to 127 of the current value is detected, the displayed target value changes to "<0>". (C3
sound is produced.)
4) Move the Pitch Bend wheel to the lower minimum position (0) according to the display of the LCD.
Check that the current value reduces from 127 to 0 smoothly.
When 0 to 6 of the current value is detected, the displayed target value changes to " <64> ". (G3
sound is produced.)
5) Return the Pitch Bend wheel to the Center position (64) according to the display of the LCD.
Check that the current value increases from 0 to 64 smoothly.
When 62 to 65 of the current value is detected, "OK" is shown on the LCD. (C4 sound is produced.)
Modulation
6) The target value "<127>" is shown on the LCD.
7) Move the Modulation wheel to the upper maximum position (127) according to the display on the LCD.
Check that the current value increases from 0 to 127 smoothly.
When 126 to 127 of the current value is detected, the displayed target value changes to "<0>". (C3
sound is produced.)
8) Move the Modulation wheel to the lower minimum position (0).
Check that the current value reduces from 127 to 0 smoothly.
When 0 to 1 of the current value is detected, " OK " is shown on the LCD. (G3 sound is produced.)
9) When all checks resulted in "OK", testing is finished and the display is changed to the test item
selection screen.
When the [EXIT] button is pressed during this test, the display is changed to the test item selec-
Note:
tion screen.
Test items and judging conditions
Modulation wheel
MODX6/MODX7
41