2
Jul. 2013
AC-40
Cautionary Notes
Before beginning the procedure, please read
through this document. The matters described may
differ according to the model.
No User Data
This product cannot save user data. Backing up user data during servicing is
not required.
Parts List
A component whose part code is ******** will not be supplied as a service part
because one of the following reasons applies.
• Because it is supplied as an assembled part (under a different part code).
• Because a number of circuit boards are grouped together and supplied as
a single circuit board (under a different part code).
• Because supply is prohibited due to copyright restrictions.
• Because reissuance is restricted.
• Because the part is made to order (at current market price).
• Because it is carried in electronic data on the Roland web site.
• Because it is a package or an accessory irrelevant to the function
maintenance of the main body.
• Because it can be replaced with an article on the market. (battery or etc.)
Circuit Diagram
In the circuit diagram, “NIU” is an abbreviation for “Not in Use,” and
“UnPop” is an abbreviation for “Unpopulated.” They both mean non-mounted
components. The circuit board and circuit board diagram show silk-screened
indications, but no components are mounted.
Summary of Contents for AC-40
Page 4: ...4 Jul 2013 AC 40 Location of Controls fig panel eps 1 2 3 4 3 5 10 11 13 14 12 6 8 7 9 1...
Page 12: ...12 Jul 2013 AC 40 Plane View Fig A fig heimenA eps View A1 View A3 View A2 a a a...
Page 15: ...15 Jul 2013 AC 40...
Page 20: ...20 Jul 2013 AC 40 Wiring Diagram Block Diagram fig block eps L 1 2 8 9 10 11 12 7...
Page 22: ...22 Jul 2013 AC 40 Circuit Board Main Board fig b main1 eps...
Page 23: ...23 Jul 2013 AC 40 fig b main2 eps...
Page 30: ...30 Jul 2013 AC 40 Circuit Board GT Input Panel Jack Mic Input Board fig b panel eps...