Yamaha Disklavier Silent Mark III Service Manual page 55

CONTROL (CTRL) SHEET TEST
• CONTROL (CTRL) sheet test screen
q
V4.41 Apr 9 2002
UP S
w e r t y u
q Version No. check (Left: controller sheet version No./Right: test program version No.)
w Controller type: Self-diagnosis display, cannot change the settings.
e LCD display "JPN" (Japanese)/"ENG" (English)
r Re-record/Playback only type: Self-diagnosis display, cannot change the settings.
t Piano type GP/UP/GT2/GT7
y Silent function
u Ensemble sound type: Self-diagnosis display, cannot change the settings.
• Operation button/remote control switching test
Each button switch No. will be displayed on the 7-segment LED.
• [TO HOST] terminal test (Not used in the field.)
[MIDI]
Use the [HOST SELECT] switch to change between the [MAC], [PC2], [PC1], and [MIDI] displays.
• MIDI communication test
(Connect a cable between the [MIDI OUT] and [MIDI IN] terminals to perform the test.)
• Control unit ~ PK-CTL sheet, SENSOR sheet communication test
(Do not use the keyboard or pedals.)
• Control unit ~ DB51 sheet communication, Sound output test
Connect the headphones, and check the L/R sound functions at the same time as the L/R displays.
• CONTROL (CTRL) sheet ~ DSP sheet communication test
• FDD test (Not used for field service.)
(Do not tamper with the FD data.)
• FDD test (Not used for field service.)
• Check the date and time.
q
Test & Loader : V1.40
UP S
Change settings: Use the [-/NO] or [+/YES] buttons to select "UP."
Change settings: Use the [REC] button to select "S."
• 7-segment LED and operation button LED lighting test
• LCD test Alternate left/right screen display
1000 Hz
• CONTROL (CTRL) sheet RAM test
(There is no memory to clear.)
OK!
Sect = 0C050000
• CONTROL (CTRL) sheet Flash
Memory Read test
OK! (FD36264F)
Use the [L] and [R] buttons to change settings. Select "ENG".
• Buzzer sound test 2 Buzzer sounds
2000 Hz
• CONTROL (CTRL) sheet Flash Memory
Write/Read test
OK! (0%) .......................
This test will take approximately 10 minutes.
Normal operations cannot be used during this
time. (There is no memory to clear.)
DU1A
55