2
Feb. 2010
AC-33
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.
Updating the System
Updating the system is accomplished by replacing the Main Board.
Содержание Acoustic Chorus AC-33
Страница 4: ...4 Feb 2010 AC 33 Location of Controls fig panel eps...
Страница 8: ...8 Feb 2010 AC 33 Plain View 1 fig bunkaizu 1 eps a a b c b j e View 1 View 2...
Страница 10: ...10 Feb 2010 AC 33 Plain View 2 fig bunkaizu 2 eps c f d d g View 3 View 4...
Страница 14: ...14 Feb 2010 AC 33 Plane View Fig A fig bunkaizu 3 eps h h h i h h l View A1 View A2 View A3 View A4...
Страница 20: ...20 Feb 2010 AC 33 Block Diagram Wiring Diagram fig block eps L A B I J K G H L M...
Страница 22: ...22 Feb 2010 AC 33 Circuit Board Main Board fig b main 1 eps...
Страница 23: ...23 Feb 2010 AC 33 fig b main 2 eps...
Страница 24: ...24 Feb 2010 AC 33 Circuit Diagram Main Board Power fig d main power eps L...
Страница 25: ...25 Feb 2010 AC 33 fig d main power eps R...
Страница 26: ...26 Feb 2010 AC 33 Circuit Diagram Main Board Digital fig d main digital eps L...
Страница 27: ...27 Feb 2010 AC 33 fig d main digital eps R...
Страница 29: ...29 Feb 2010 AC 33 fig d main analog eps R rms 1 30Vrms 1 30Vrms 2 90Vrms 2 90Vrms ms...
Страница 30: ...30 Feb 2010 AC 33 Circuit Board Guitar Input Mic Input Panel Jack B Phones Board fig b panel eps...
Страница 31: ...31 Feb 2010 AC 33...
Страница 34: ...34 Feb 2010 AC 33 Circuit Diagram Panel Board fig d panel eps L...
Страница 35: ...35 Feb 2010 AC 33 fig d panel eps R...
Страница 36: ...36 Feb 2010 AC 33 Circuit Diagram Jack B Board fig d jackB eps...
Страница 37: ...37 Feb 2010 AC 33 Circuit Diagram Phones Board fig d phones eps 0 87Vrms...
