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General| Type | Active speaker |
|---|---|
| Frequency Response | 30Hz - 23kHz |
| Amplifiers | Class D |
| Frequency range | 30Hz - 23kHz |
| Inputs | Power Link |
Lists and identifies the various modules within the BeoLab 12-3 speaker.
Describes the repair strategy, including error code handling and product information.
Covers static electricity, ESD safety, and WEEE disposal requirements.
Explains LED error states and methods for accessing product/error data.
Procedures for testing speaker units, NTC modules, and sound output.
Diagnostic flowchart for issues with no function and no LED indication.
Diagnostic flowchart for no power and red LED indication issues.
Diagnostic flowchart for overheating issues indicated by an orange LED.
Diagnostic flowchart for protection mode indicated by flashing orange LED.
Diagnostic flowchart for no sound issues with a green LED indication.
Diagnostic flowchart for distorted audio from one or more speakers.
General adjustments needed after replacing modules like PCB30, PCB35, and speaker units.
Procedures for ID restore and calibrating speaker drivers and amplifiers.
Steps for connecting to ServiceTool and updating the product's software.
Identifies all modules and speaker units that can be replaced in the BeoLab 12-3.
Covers static warnings, post-replacement steps, and assembly advice.
Detailed step-by-step guides for replacing specific PCBs and speaker units.
Focuses on critical assembly points, wire routing, and safety tie placement.
Provides specific screw sequences for assembling the main cabinet and front.
Covers insulation testing, setup verification, software updates, and cleaning.
Details product type, market, design, dimensions, power, and driver information.
Covers amplifier specs, SPL, frequency range, and connector pinouts.
Illustrates the internal signal flow and processing stages of the BeoLab 12-3.
Shows the electrical connections for the older version of the product.
Detailed views of connections for major components like SMPS, DSE, and amplifiers.
Shows the electrical connections for the newer version of the product.
Visual representation of parts with associated part numbers for modules and components.
Lists screws, wire bundles, service tools, packing, and other accessories.
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