Yamaha disklavier MX-100B Servicehandleiding - Pagina 13

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Item
B
5. RAM test
6. ROM test
7. MIDI test
8. Piano test
9. FDD test
* execute the FDD test only
when necessary
Operation
press the
Key
• Check whether RAM is OK or NG
press the
key
• Check whether ROM is OK or NG
press the
key
*connect MIDI IN/
OUT with a cable
• Check whether MIDI functions are OK or NG
*remove the cable
• If a MIDI cable is not connected, NG will be displayed
press the
key
• Playback system test: repeat playback in the order of
keys 1~88, D/S pedal
• Record system test: in synchronization with the above
playback, display
* If an error occurs, the LCD will display the error number
and the LCD will indicate the meaning.
to the next test
press the
key
* Insert a (formatted)
FD
(the test will start in
5 seconds)
• FDD write/read/verify test
• LED LCD display contents test
• FDD test is repeated continuously for tracks 0~79
• If an error occurs it will be displayed in the LCD
Display / contents of test
OK (normal) or NG (faulty)
OK (normal) or NG (faulty)
OK (normal) or NG (faulty)
01~88, 90, 91
Track No. Side No. Sector No.
number of test times 00~
MX-100B
12