BOSE WAVE ® RADIO /G73 , /G73/G73 , /G73/G73/G73 TROUBLE SHOOTING GUIDE
Refer to the Bose Wave Radio service manuals, part numbers 174784, 181811 and 191514, for schematics, PCB layouts and part list. Unit identification: BWR I: 3 AA battery backup, has AM external antenna. BWR II: 3 AA battery backup, no AM external antenna. BWR III: 9V battery backup.
Table Caption: This table provides a troubleshooting guide for common audio equipment issues, listing symptoms and the corresponding checks or service bulletin recommendations to resolve them. It is organized by symptom and includes specific component references and part numbers for different model revisions (BWR I, II, and III).
Contents
| Safety Information............................................................................... |
|---|
| Electrostatic Discharge Sensitive (ESDS) Device Handling |
| Specifications ................................................................................... |
| Figure 1. Twiddler™ Frequency Response Graph .................................................... 6 Figure 2. Full Range Frequency Response Graph ................................................... 6 |
| Theory of Operation .............................................................................. |
| Figure 3. Block Diagram......................................................................... 7 Disassembly/Assembly Procedures .................................................................. |
| Test Procedures .................................................................................. Figure 4. AM Test Setup ......................................................................... 14 |
| Main Assembly Part List .......................................................................... |
| Figure 5. Exploded View ......................................................................... 17 |
| Electrical Part List ............................................................................. |
| Packaging Part List |
| Figure 6. Packaging View |
| Circuit Diagrams |
| Integrated |
| ....................................................................... 27 |
| .............................................................................. |
Table Caption: This table of contents outlines a technical document detailing a device, likely an audio product, covering safety information, specifications, theory of operation, disassembly/assembly, testing procedures, part lists, and circuit diagrams. It also includes references to several figures illustrating frequency response, block diagrams, test setups, and exploded views.
Integrated Circuit Diagrams ......................................................................
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 BOSE SERVICE CENTER OR OWNER OF THE BOSE PRODUCT, AND SHALL NOT BE REPRODUCED OR USED FOR ANY OTHER PURPOSE.
SAFETY INFORMATION
- Parts that
