Yamaha psr-262 Instrukcja serwisowa - Strona 16
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PSR-260/262
20
020: SW Chk
28
028: LCD On
29
029: LCD Off
31
031: PD1 Chk
37
037: MIDI Chk
41
041: ROM Chk 2
42
042: RAM Chk 2
48
048: Test Exit
16
Check switches on the panel.
Press the switches that are displayed on the LCD.
A pre-assigned note is output when pressing the switch.
The test result appears on the LCD.
Check that all LCD dots are on.
Check that all LCD dots are off. The LCD becomes white.
Connect the foot switch to the [FOOT SWITCH] jack.
Check that the C3 note is output when starting the test program.
Check that the C4 note is output when pushing the pedal and that the tone is turned off when
releasing the pedal.
The test result appears on the LCD.
After connecting the [MIDI IN] jack and [MIDI OUT] jack with a MIDI cable, execute the test.
Check that the C4 note is output and that the test result appears on the LCD.
If the test result is NG, press the lowest (leftmost) key on the keyboard to execute the test.
Checks the ROM. The test result appears on the LCD.
Checks the RAMs that are connected to the CPU.
The test result appears on the LCD.
Exit from the test program after executing this test.