Bose 321 gs series ii and 321 gsx 273029 service manual rev7

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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, 321 Series II Home Entertainment System (see Figure 1) ......................... 10-11 Figure 1. 3-21 Series II Home Entertainment System Packaging View .................................................11 Packaging Part List, 321 Series II System Accessory Kit (see Figure 2) ......................................... 12 Figure 2. Accessory Kit Exploded View ........................................................................\ .................. .........12 Main Part List, 321 II and 321GS II Console Assembly (see Figure 3) ........................................... 13 Figure 3. 321 Series II St andard Console Exploded View .................................................................... 14 Main Part List, 321GSX Console Assembly (see Figure 4) ................................................................ 15 Figure 4. 321GSX Series II Premium Console Exploded V iew ............................................................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 af ter 4/27/09) ..........................................................18 Main Part List, Standard 321 Array Assembly (see Figure 6) ............................................................ 19 Figure 6. Standard 321 Array Assembly Exploded View ....................................................................... 19 Main Part List, 321 GS Array Assembly (see Figure 7) ...................................................................... 20 Figure 7. 321 GS Array Assembly Exploded View ........................................................................\ ........ 20 Electrical Part List s ........................................................................\ .................................................... 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 ........................................................................\ ........................................ .................54-63 Console Procedures ........................................................................\ .................................................. 54-61 Bass Module Procedures ........................................................................\ ................................. .............. 62 Satellite Array Procedures ........................................................................\ ............................. ................. 63 Figure 8. 321 Series II Console Test Setup Diagram ........................................................................\ ... 64 Figure 9. 321 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 Re gion Code ........................................................................\ ............................... ............. 76 Obtaining System Information from the Media Center Display .....................................................77-78 DVD Lock options ........................................................................\ ........................................................... 79 321 Series II System Date of Manufacture Information ..................................................................... 80 IC Diagrams ........................................................................\ ............................................ ....................81-90 Troubleshooting ........................................................................\ ......................................................... 91-92 Glossary of T erms ........................................................................\ ........................................................... 93 Service Manual Revision History ........................................................................\ ................................... 94