Bose Acoustimass 3 - SAFETY INFORMATION

1
TABLE OF CONTENTS
1. SAFETY INFORMATION.......................................................................................... 2
2. SPECIFICATIONS.................................................................................................... 3
3. BLOCK DIAGRAMS.................................................................................................. 5
4. THEORY OF OPERATION....................................................................................... 6
5. DISASSEMBLY/ASSEMBLY PROCEDURES......................................................... 13
6. TEST PROCEDURES.............................................................................................. 19
7. PARTS LISTS AND EXPLODED VIEWS................................................................. 23
8. SCHEMATICS AND PCB LAYOUTS....................................................................... 39
CAUTION: THE ACOUSTIMASS
®
-3 POWERED SPEAKER SYSTEM
CONTAINS NO USER-SERVICEABLE PARTS. TO PREVENT
WARRANTY INFRACTIONS, REFER SERVICING TO WARRANTY
SERVICE STATIONS OR FACTORY SERVICE.
PROPRIETARY INFORMATION
THIS DOCUMENT CONTAINS PROPRIETARY INFORMATION OF
BOSE
®
CORPORATION WHICH IS BEING FURNISHED ONLY FOR
THE PURPOSE OF SERVICING THE IDENTIFIED BOSE PRODUCT
BY AN AUTHORIZED BOSE SERVICE CENTER OR OWNER OF THE
BOSE PRODUCT, AND SHALL NOT BE REPRODUCED OR USED
FOR ANY OTHER PURPOSE.
Note: This service manual has been updated with information from service manual supplement
175032-S2. This supplement affects part number for R146 and R246 as used on the amplifier PCB.
Refer to 175032-S2 for more information.