1
TABLE OF CONTENTS
1. SAFETY INFORMATION.......................................................................................... 2
2. SPECIFICATIONS.................................................................................................... 3
3. BLOCK DIAGRAM.................................................................................................... 6
4. THEORY OF OPERATION....................................................................................... 7
5. DISASSEMBLY/ASSEMBLY PROCEDURES......................................................... 13
6. TROUBLESHOOTING TIP FOR HUM AND RFI REMOVAL................................... 18
7. TEST PROCEDURES.............................................................................................. 19
8. PARTS LISTS AND EXPLODED VIEWS................................................................. 23
9. SCHEMATICS AND PCB LAYOUTS....................................................................... 47
CAUTION: THE FREESPACE™ BUSINESS MUSIC 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.
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