8
SERVICE MANUAL REVISION HISTORY
Level 
Description of Change  Change Driven By  Pages 
Affected 
02/01  00  Document release revision 00 
 
Service manual release  All 
02/06  01  Added RoHS part numbers  This product is now built 
with RoHS compliant parts. 
3 
1/07  No change  Corrected part number, Driver 
Assembly, 4.5”  
Correct part number is 
254451 
3 
5/09  02  - New part numbers for 
speaker parts and packaging 
- Layout changed to reflect 
current manuals 
Part changes 
 
Service manual layout 
change 
3, 4 
 
All