39
DGX-630/YPG-635
TEST
LCD Display
Test Descriptions, Judging Criteria
No.
■
TEST PROGRAM
*
If you execute the test No.49(Factory Set), then the user’s preset data may be lost.
Therefore, back up the user’s data in advance.
A.
PREPARATION
1) PA-5D, PA-51 or PA-150 (AC adaptor) is used.
2) Measuring device: Frequency counter, which can detect thousandth value or more, Level meter (with JIS-C filter), Oscilloscope
Note: Use a stereo plug and connect a load resistor of 33
Ω
to the [PHONES/OUTPUT] jack for measurement unless otherwise
specified. Input impedance of the measuring device should be 1 M
Ω
or more.
3) Jigs: Pedal unit (LP-7), Foot switch (FC-4 or FC-5), USB cable, USB flash memory, USB-MIDI driver (*1)
PC (Install a USB-MIDI driver(*1) in PC and finish the THROUGH setup.)
*1 Obtain the USB-MIDI driver from CD-ROM(X9318A00) for DGX-630/YPG-635 or Yamaha official website.
(URL>>http://www.yamahapkclub.com)
B.
HOW TO ENTER THE TEST PROGRAM
While pressing the C2#, F2 and G2# keys, turn the [STANDBY/ON] switch on.
ON
STANDBY
F2
C2#
G2#
DGX-630/YPG-635
C.
TEST PROCEDURE
1) When the test program is started, “TEST” will be displayed on the LCD.
2) Press the [-] or [+] button of the number buttons to select a test program item.
3) Press the [START/STOP] button to execute the test.
*
If the test result is OK, or the test item is completed, press the [START/STOP] button again to return to
the test item selection display.
*
Press the [-] or [+] button of the number buttons to select the next test program item.
*
When the test result is OK, an asterisk (*) is added in front of its item name on display.
If the test result is NG, press the [DEMO] button or the lowest (leftmost) white key to return to the item
selection display. Turn the power off to finish the test program.
D.
TEST PROGRAM LIST
(dBu= dBm)
--
--
Contrast Check
Set the contrast knob to the legible position of LCD. When the contrast knob is turned clockwise
(or counterclockwise), the LCD becomes blue (or white).
1
001 Version
Displays ROM(Program) and ROM(Wave) versions.
(In case of OK:”XXX” Prog / ”XXX” Wave, NG:”Err” Prog / ”Err” Wave)
