Yamaha TYROS4 Service Manual page 112

Tyros4
A
Initialize keyboard
"Copyright (C) 2010"
will shows up.
Part of User
drive is faulty
After executing
Factory Set (*)
Check backup data.
If it is damaged, it
will be initialized.
Clear Registration or
After executing
Factory Set (*)
Check Registration data.
If it is damaged,
it will be initialized.
User drive
unformatted?
112
Send a message
to SWP51L.
Keyboard input is
not accepted yet.
Turning the power off
during data writing, etc
Restore User drive
Initialize backup data
If the booting procedure does not
reach to this stage, the backup
flash ROM (IC23) might be defective.
Initialize
Registration data
If the booting procedure does not
reach to this stage, the backup
flash ROM (IC23) might be defective.
Format user drive
If the booting procedure does not
reach to this stage, the backup
flash ROM (IC23) might be defective.
Animation to the
Second opening
screen will appear. second screen
After executing
Factory Reset (*)
Owner's name
will appear
System backup clear
or After executing
Factory Set? (*)
Initialize system
Recover System
Backup
Depending on whether
headphones are inserted
Release Mute or not and function setup.
If you play the keyboard,
Release SP OFF
sound will be produced
(Depending on function)
If the booting procedure does not
reach to this stage, the EBAS SWP
might be defective.
SSP1 is started.
Turn on the panel LED
Main screen will appear
Release MIDI
communication
Main
routine
Owner's name will
not appear during
Factory Reset.
backup
Device error I
The pedal and Vocal
Harmony functions are
not effective.