Yamaha Tyros4, Service Manual

Page: 110 / 173

Tyros4
110
[At start]
Displayed message Meaning Progress/status How to service
Improper power shut down! Backup
data and/or User
fi les have been lost.
Power has not been turned
off normally. Backup data
and user
fi le have been lost.
Data is being restored as defect has been
detected in the data backed up in the data
fl ash
ROM.
–
Initializing system setup.
System setup being
initialized
During execution of Factory Set –
Force Format Mode. Forced clear
Factory Reset is performed in the forced clear
mode
–
Initializing registration backup.
Registration backup being
initialized
When the registration backup data is cleared –
Data Flash ROM Device Error. Flash ROM data error
Starting is disabled because the data fl ash ROM
is damaged
Replace the DM circuit board.
(Because the MAC address is
included.)
MAC ADDRESS ERROR !! MAC address error MAC address is not written or defective
Device error!
The pedal and Vocal Harmony functions
are not effective.
The device for VH does not
work.
The pedal and vocal
harmony function do not
work.
There is no reply from SSP1. The uptake of the
pedal, microphone input and the vocal harmony
function do not work, but the other functions
work.
Replace the SSP1 peripheral
device.
[ASSERTION]
Displayed message Meaning Progress/status How to service
– – – – – – – – – – – – – – – – – – – – – – – – – – –
Unexpected error! (main)
Turn the power off and on again
– – – – – – – – – – – – – – – – – – – – – – – – – – –
Parameter 1
Parameter 2 / Parameter 3
Fatal error occurred.
Turn off the power and then
turn on again.
MAIN side
Unexpected error
System down
Reboot
Check the trouble points by the
test program.
Perform “Factory Reset”, and
reboot. (See page 102 “SYSTEM
RESET”.)
– – – – – – – – – – – – – – – – – – – – – – – – – – –
Unexpected error! (sub)
Turn the power off and on again
– – – – – – – – – – – – – – – – – – – – – – – – – – –
Parameter 1
Parameter 2 / Parameter 3
SSP1 side
Unexpected error
System down