Yamaha PSR-S770, Руководство по обслуживанию

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PSR-S770/PSR-S970
LCD■display
Test■items■and■judging■conditions
054■:■Pedal2■Check Checks whether the Foot Pedal plugged into FOOT PEDAL2 jack works properly or not.
1) Connect the foot pedal (FC7) to FOOT PEDAL 2 jack.
2) Press the [START/STOP] button to start the test.
“
Pedal2■Down
” is shown on the LCD.
When the pedal is not detected, “
No■Pedal
” is shown on the LCD.
3) Press the pedal to the maximum position to produce the C3 sound.
“ Pedal2■Up ” is shown on the LCD.
4) Press the pedal to the minimum position to produce the G3 sound.
“
Pedal2■Out
” is shown on the LCD.
5) Disconnect the pedal from the FOOT PEDAL 2 jack to produce the C4 sound.
“ OK ” is shown on the LCD.
6) Press the [START/STOP] button to exit the TEST item.
056 : MIDI Check
Checks whether the MIDI terminals work properly or not.
1) Connect the single MIDI cable to MIDI IN and OUT terminals.
2) Press the [START/STOP] button to start the test.
If no problem is found, the C4 sine wave sound is produced for a second and “ OK ” is shown on the
LCD. If any problem is found, “
NG
” is shown on the LCD.
3) Press the [START/STOP] button to exit the TEST item.
4) Disconnect the MIDI cable from the terminals.
059 : RGB Out Check
(PSR-S970 only)
Checks whether the RGB terminal work properly or not.
1) Connect the appropriate display monitor to [RGB] terminal.
2) Press the [START/STOP] button to start the test.
Confirm that the display monitor displays the RGB color bar code and RGB text.
3) Press the [START/STOP] button to exit the TEST item.
4) Disconnect the RGB cable from the terminals.
060■:■USB■to■Device/Host■
Check Checks whether the USB [TO DEVICE] and USB [TO HOST] terminals work properly or not.
1) Press the [START/STOP] button first. “
Connect■Device-Host
” is shown on the LCD.
2) Using the USB cable, connect the USB [TO DEVICE] terminal and USB [TO HOST] terminal.
Confirm that “ OK ” is shown on the LCD and the C4 sound is produced for a second.
3) Press the [START/STOP] button to exit the TEST item.
4) Disconnect the USB cable.
061■:■USB■Storage■Device■
Check Checks whether or not the instrument can access the USB memory device connected to the USB [TO DEVICE]
terminal.
1) Insert the USB flash drive and press the [START/STOP] button.
2) Confirm that “
OK
” is shown on the LCD.
If no media is inserted, “
NO■DISK
” will be displayed.
If the media is unformatted, “ UNFORMAT■DISK ” will be displayed.
If the media is protected, “ PROTECT■DISK ” will be displayed.
If failed in reading/writing, “
NG
” will be displayed.
3) Press the [START/STOP] button to exit the TEST item.
4) Disconnect the USB flash memory.
063■:■Keyboard■Type■Check Checks whether this instrument can recognize the keyboard type correctly or not.
1) Press the [START/STOP] button to start the test.
2) Confirm that “
OK■(16M)
” is shown on the LCD.
3) Press the [START/STOP] button to exit the TEST item.
067■:■ROM■Check2 Executes the complete check of the ROM. (It will take about 10 seconds.)
1) Press the [START/STOP] button to start the test.
OK: OK
NG:
■MAIN■PROG■ROM■(IC
＊＊＊
) NG
2) Confirm that “
OK
” is shown on the LCD.
3) Press the [START/STOP] button to exit the TEST item.