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PSR-A300
Test No.
LCD display
9
019 : Noise
10
020 : SW Chk
11
021 : A. Led On
12
028 : LCD On
13
029 : LCD Off
14
031 : PD1 Chk
15
033 : PB Chk
16
037 : MIDI Chk
17
041 : Rom Chk2
18
042 : Ram Chk2
19
045 : FRomChk2
20
047 : Factory Set
21
048 : TEST Exit
22
Test descriptions, judging conditions, etc.
Connect the level meter (with JIS-C filter) to the L/R terminals of the [PHONES/OUTPUT].
(33Ω of load)
Set the [MASTER VOLUME] to the maximum level and check the noise.
• PHONES L, R: –73.0dBu or less
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.
Make sure that all the LEDs are lit.
Make sure that the entire LCD is lit .
Make sure that all the dots are turned off on the LCD.
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.
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.
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.
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.
Checks the RAM connected to the CPU bus.
Make sure that "Ram OK" is displayed on the LCD.
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.
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.
Execute this to leave the test program and change to the play mode.
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