22
PSR-A300
9
019 : Noise
Connect the level meter (with JIS-C filter) to the L/R terminals of the [PHONES/OUTPUT].
(33
Ω
of load)
Set the [MASTER VOLUME] to the maximum level and check the noise.
• PHONES L, R: –73.0dBu or less
10
020 : SW Chk
Checks switches on the panel. Press the switches as shown in the LCD. When a switch is
pressed, a sound is played at the prescribed pitch. (Refer to the Switch test item list.)
Check that the LED for the relevant switch is lit then.
Make sure that “
SW OK
” is displayed on the LCD when all the switches are pressed.
To cancel the operation halfway, use the lowest (leftmost) key on the keyboard to return to
the selection display.
11
021 : A. Led On
Make sure that all the LEDs are lit.
12
028 : LCD On
Make sure that the entire LCD is lit .
13
029 : LCD Off
Make sure that all the dots are turned off on the LCD.
14
031 : PD1 Chk
Connect a footswitch (FC-4 or FC-5) to the [SUSTAIN] terminal.
Make sure that C3 is played when the [START/STOP] button is pressed and C4 is played
when the pedal is depressed. The sound will stop when the pedal is released.
Make sure that “
PD1 OK
” is displayed on the LCD when finished.
15
033 : PB Chk
Checks the wheel.
Press the [START/STOP] button and the center of the wheel is detected.
Make sure that C3 is played when the wheel is turned from the center to the minimum
position, and that C4 is played when the wheel is turned to the maximum position.
Make sure that “
PB OK
” is displayed on the LCD.
16
037 : MIDI Chk
Connect the [MIDI IN] jack and [MIDI OUT] jack with a MIDI cable and then execute the
test. Make sure that C4 is played and “
MIDI OK
” is displayed on the LCD.
17
041 : Rom Chk2
Checks the ROM connected to the CPU bus.
Make sure that “
Rom OK
” is displayed on the LCD.
It will take about 10 seconds for the check.
18
042 : Ram Chk2
Checks the RAM connected to the CPU bus.
Make sure that “
Ram OK
” is displayed on the LCD.
19
045 : FRomChk2
Checks the FROM connected to the CPU bus.
Make sure that “
FRom OK
” is displayed on the LCD.
It will take about 30 seconds for the check.
20
047 : Factory Set
Initializes the entire backup area to reset to the factory default.
“
Fact
” is displayed on the LCD during the test.
“
Fact End
” is displayed on the LCD when the test is finished.
21
048 : TEST Exit
Execute this to leave the test program and change to the play mode.
Test No.
LCD display
Test descriptions, judging conditions, etc.
