Cautionary Notes - Roland SP-404 Service Notes

SEP.2005

CAUTIONARY NOTES

TAKE BACKUP OF USER DATA
User data status after each of the following processes is described below.
Whenever carrying out procedures that involve deleting or erasing user data,
always be sure to back up the user data to some form of external media (refer
to USERS DATA SAVE AND LOAD).
Process
Checking Version number
Factory Reset
System Update
Test Mode
PARTS LIST
Due to one or more of the following reasons,parts with parts code ********
cannot be supplied as service parts.
• Part supplied only as a component in a complete assembly.
• Copyright does not permit the part to be supplied.
• Part is sold commercially.
CIRCUIT BOARD
"NIU" meant that "NOT IN USE" there don't set any contents in the Circuit
Diagram.
There has silk-screen only in the Circuit Board.
2
USER DATA
Preserved
Deleted
Preserved
Deleted