Loewe Concertos Acoustimass 61247 User manual

230-90374.921
General Description
Adjustment Procedures
Block / Schematic Diagrams
Exploded Views / Parts List
Concertos
Acoustimass ®
Bassmodul
Art.-Nr. 61247
SOUND BY
BOSE ®

Contents Page
Safety Information.................................................................................. ...........................3
Electrostatic Discharge Sensitive (ESDS) Device Handling...............................................4
Loewe Serie II Acoustimass Bassmodul
General.............................................................................................................................5
Design Features................................................................................................................6
Product Specifications......................................................................................................8
User Interface....................................................................................................................9
Graphs and Curves...........................................................................................................18
Electrical Specifications..................................................................................................28
Environmental and Reliability Specification...................................................................31
Quality.............................................................................................................................32
Packaging.........................................................................................................................32
Safety and Regulatory......................................................................................................32
Variants............................................................................................................................32
Analog/Digital Source Switching Flowchart...................................................................33
Glossary...........................................................................................................................34
Loewe DSP PCB Assembly
Scope...............................................................................................................................36
General test Setup...........................................................................................................38
System Performance Specifications................................................................................41
Firmware..........................................................................................................................43
Appendix A – Errors Reported at Boot Time..................................................................49
Appendix B – Hex Notation............................................................................................50
Loewe AMP PCB Assembly
Scope...............................................................................................................................51
General test Setup...........................................................................................................51
System Performance Specifications................................................................................54
Packaging Assambly View..................................................................................................58
Bassmodul System Assambly View....................................................................................59
Bassmodul-Repair-Handling...............................................................................................60
Electrical Diagrams
PCB SD 261 431....................................................................................................61
PCB DSP SD 251 571 Sheet 1 of 5................................................................................62
PCB DSP SD 251 571 Sheet 2 of 5................................................................................63
PCB DSP SD 251 571 Sheet 3 of 5................................................................................64
PCB DSP SD 251 571 Sheet 4 of 5................................................................................65
PCB DSP SD 251 571 Sheet 5 of 5................................................................................66
PCB AMP SD197 228 Sheet 1 of 2...............................................................................67
PCB AMP SD197 228 Sheet 2 of 2...............................................................................68
Print-Layouts.......................................................................................................................69
Integrated Circuits...............................................................................................................73
Connection Cable................................................................................................................77
Spare Part List.....................................................................................................................81
Loewe Service-Adres-Page Germany..............................................................................87
Loewe Service-Adres-Page Europe/Overseas.................................................................88

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