Bose AV28, Manual

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1
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 SERVICE CENTER OR OWNER OF THE
BOSE PRODUCT, AND SHALL NOT BE REPRODUCED OR USED
FOR ANY OTHER PURPOSE.
Software Update Information
The software in the AV28 Media center can be updated using a software update CD available from
Bose
® service. Refer to procedure 2 on page 70, Console-Key Special Function Features, to
determine the software version of the unit. Contact Bose Service or refer to the Bose service
extranet site for information regarding the latest software revision; click on Lifestyle
®
music centers
and then AV28 media center. http://serviceops.bose.com
Contents
Safety Information ............................................................................................................................ 2
Electrostatic Discharge Sensitive (ESDS) Device Handling ......................................................... 2
Specifications ................................................................................................................................ 3-5
Theory of Operation ................................................................................................................... 6-28
Disassembly/Assembly ............................................................................................................ 29-30
Setting-up a Computer to Issue TAP Commands ........................................................................ 31
Issuing TAP Commands to the AV28 media center ..................................................................... 32
General Test Procedure Notes ....................................................................................................... 32
Functional/Performance Verification Tests ............................................................................. 33-34
Adjustment/Performance Verification Procedures ................................................................ 35-37
Figure 1. AM Test Setup .................................................................................................................... 35
Figure 2. Tap Test Cable Part Number 264565 .................................................................................. 38
Part List Notes ................................................................................................................................. 38
Main Part List ................................................................................................................................... 39
Figure 3. Exploded View .................................................................................................................... 40
Main PCB 260318-0 Electrical Part List ................................................................................... 41-55
Tuner PCB 260322-1 Electrical Part List ................................................................................. 56-60
Head Unit Packaging Part List ....................................................................................................... 61
Figure 4. Console Packaging ............................................................................................................ 61
Figure 6. Laser Current Measurement Point ...................................................................................... 62
Figure 5. DVD Player Rear Panel ...................................................................................................... 62
Laser Current Measurement .......................................................................................................... 62
Integrated Circuit Diagrams ..................................................................................................... 63-67
Changing House Codes ................................................................................................................. 68
Figure 7. House Code Settings ......................................................................................................... 68
Zone 2 Operation ............................................................................................................................ 69
Figure 8. Zone 2 Remote Control Switch Setting .............................................................................. 69
Console-Key Special Function Features ...................................................................................... 70