Test Program - Yamaha Disklavier MX-100B Service Manual

MX-100B

Test program

This tests the control functions and the playback and recording systems of the disklavier.
Item
Start the test program
A
Contents of each test
B
1. 7 segment LED test
2. LCD test
3. Buzzer test
4. Switch test
To advance to the next test press the
11
Operation
• Remove the disk
• While pressing the
L/R button,
• turn the power ON.
press the key
press the key
press the key
press the key
to the next test
button. To return to the previous test press
Switch no.
Foot sw. no. = 40
Display / contents of test
Version no.
Piano type
UP or GP
upright grand
• Check that the piano type and controller type match (
)
• The ROM version and trimmer value will be displayed
( - )
* can be switched using the DIP switch on the CPU
board.
00, 11~99
• Check that the LED lights
• Check the LCD The checkered pattern blinks
• Check the metronome buzzer. The buzzer sounds in
synchronization with the blinking
01~40 (8, 9, 18, 20, and 39 omitted)
• Check the switch no. for each button on the control panel
and remote control, and the foot switches.
When the buttons in the diagram below are pressed,
the LED will display the corresponding number.
Trimmer value
Controller type
Rec or Ply
record playback
,
(00, 11~99), each switch
EXECUTING!!
button.