Yamaha MODX6, Руководство по обслуживанию

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49
MODX6/MODX7
LCD display
Test items and judging conditions
33 : Panel C Check (SW,
LED)
Checks whether switches and LEDs on the PNC circuit board work properly or not.
1) Press the [ENTER] button, and “ Press KNOB FUNCTION / LED=ORANGE ” is shown on the
LCD.
2) Press the applicable button, and a sine wave sound is produced while the button is pressed. If the
button has LED, it lights up.
Note:
If a wrong button is pressed, “
NG
” is shown and no sound is produced.
3) Release the button, and the display changes to “ Press xxx / LED=xxx (button name to be pressed
next)”.
4) Check buttons on the panel one after another in the specified order.
For the order to check switches, refer to page 52.
If there are a multiple number of applicable LEDs, press the same button by that number of times to
have each LED lit.
5) When pressing all buttons is completed, “ OK ” is shown on the LCD.
6) When OK of the test result is shown, testing is over and the display is changed to the test item
selection screen.
34 : Panel R Check (SW,
LED)
Checks whether switches and LEDs on the PNR circuit board work properly or not.
1) Press the [ENTER] button, and “ Press DEC/NO / LED= - - - ” is shown on the LCD.
2) Press the applicable button, and a sine wave sound is produced while the button is pressed. If the
button has LED, it lights up.
Note:
If a wrong button is pressed, “ NG ” is shown and no sound is produced.
3) Release the button, and the display changes to “ Press xxx / LED=xxx (button name to be pressed
next)”.
4) Check buttons on the panel one after another in the specified order.
For the order to check switches, refer to page 52.
5) When pressing all buttons is completed, “ OK ” is shown on the LCD.
6) When OK of the test result is shown, testing is over and the display is changed to the test item
selection screen.
35 : Panel C Check (LED)
Checks that there is no problem with a set of panel LEDs which light up continuously.
1) Press the [ENTER] button, and “ ON ” is shown on the LCD.
2) The LEDs around SuperKnob turn on and off one by one in the clockwise direction.
3) All LEDs in the left half turn on and off first and then those in the right half turn on and off.
4) The same operation is repeated from item 2) to item 3).
5) Confirm that all LEDs turn on and off in the correct order.
6) Press the [EXIT] button, and testing is finished and the display is changed to the test item selection
screen