Bose 3-2-1 SERIES II Service Manual

2
CONTENTS
Safety Information ...................................................................................................................................3
Warranty ....................................................................................................................................................3
Product Description ................................................................................................................................4
Accessories ..............................................................................................................................................4
Specifications:...................................................................................................................................... 5-8
Electrostatic Discharge Sensitive (ESDS) Device Handling ............................................................9
Part List Notes ..........................................................................................................................................9
Packaging Part List, 3•2•1 Series II Home Entertainment System (see Figure 1)................. 10-11
Figure 1. 3•2•1 Series II Home Entertainment System Packaging View ............................................... 11
Packaging Part List, 3•2•1 Series II System Accessory Kit (see Figure 2) ...................................12
Figure 2. Accessory Kit Exploded View ..................................................................................................12
Main Part List, 3•2•1 II and 3•2•1GS II Console Assembly (see Figure 3) .....................................13
Figure 3. 3•2•1 Series II Standard Console Exploded View .................................................................. 14
Main Part List, 3•2•1GSX Console Assembly (see Figure 4) ...........................................................15
Figure 4. 3•2•1GSX Series II Premium Console Exploded View ............................................................ 16
Main Part List, Bass Module (see Figure 5)......................................................................................17
Figure 5a. Bass Module Exploded View (units built before 4/27/09) ....................................................17
Figure 5b. Bass Module Exploded View (units built after 4/27/09) ....................................................... 18
Main Part List, Standard 3•2•1 Array Assembly (see Figure 6) .......................................................19
Figure 6. Standard 3•2•1 Array Assembly Exploded View ..................................................................... 19
Main Part List, 3•2•1 GS Array Assembly (see Figure 7) ..................................................................20
Figure 7. 3•2•1 GS Array Assembly Exploded View .............................................................................. 20
Electrical Part Lists ......................................................................................................................... 21-46
Console Main PCB Assembly ......................................................................................................... 21-34
Console Tuner PCB Assembly ....................................................................................................... 35-38
Bass Module DSP/Amplifier PCB Assembly ................................................................................. 39-45
Bass Module Input/Output PCB Assembly ........................................................................................46
Disassembly Procedures ............................................................................................................... 47-53
Console Procedures ....................................................................................................................... 47-50
Bass Module Procedures .............................................................................................................. 51-52
Disassembly Procedures .....................................................................................................................53
Standard Satellite Array Procedures..................................................................................................53
Gemstone Satellite Array Procedures ...............................................................................................53
Test Procedures .............................................................................................................................. 5
4-63
Console Procedures ....................................................................................................................... 54-61
Bass Module Procedures ....................................................................................................................62
Satellite Array Procedures ...................................................................................................................63
Figure 8. 3•2•1 Series II Console Test Setup Diagram..........................................................................65
Figure 9. 3•2•1 Series II Bass Module Test Setup Diagram ..................................................................66
Computer Setup Procedure .......................................................................................................... 67-68
TAP Cable Construction........................................................................................................................69
Bass Module Test Cable Construction ..............................................................................................70
Console Test Cable Construction.......................................................................................................71
Putting the Console into TAP mode....................................................................................................72
Console TAP Commands................................................................................................................. 72-75
Changing the Region Code .................................................................................................................76
Obtaining System Information from the Media Center Display ............................................... 77-78
DVD Lock options ..................................................................................................................................79
3•2•1 Series II System Date of Manufacture Information ................................................................80
IC Diagrams....................................................................................................................................... 81-90
Troubleshooting .............................................................................................................................. 91-92
Glossary of Terms ..................................................................................................................................93
Service Manual Revision History .......................................................................................................94

Bose 3-2-1 SERIES II Specifications

General

Number of Speakers	2
Subwoofer	Acoustimass Module
AM/FM Tuner	Yes
Remote Control	Yes
Audio Channels	2.1
System Type	2.1 Home Theater System
Media Playback	DVD, CD
Outputs	Composite Video