Bose-131-Service-Manual 电路图 维修手册.pdf

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1、 Bose 131 Marine Loudspeaker System 1997 Bose Corporation Part Number 190318 REV 00 Service Manual RadioFans.CN 收音机爱 好者资料库 2 Contents Specifications. 2 Disassembly/Assembly Procedure . 3 Figure 1. Exploded View . 3 Test Procedure . 4 Part List Notes. 5 Part List. 6 Figure 2. Parts Exploded View . 6

2、RadioFans.CN 收音机爱 好者资料库 3 SPECIFICATIONS 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

3、BE REPRODUCED OR USED FOR ANY OTHER PURPOSE. CAUTION: THE BOSE 131 LOUDSPEAKER CONTAINS NO USER-SERVICEABLE PARTS. TO PREVENT WARRANTY INFRACTIONS, REFER SERVICING TO WARRANTY SERVICE STATIONS OR FACTORY SERVICE. External Dimensions: Single Speaker: Packed System: 30.5 x 16.5 x 12.7cm 12 x 6.5 x 5 3

4、5.5 x 30.5 x 19.7cm 14 x 12 x 7.75 Weight: Single Speaker: Packed System: 1.8kg (4.0 LB) 4.3kg (9.5 LB) Transducer: One 4.5 Driverper Speaker Internal Cabinet Volume: 2.65 Liters Impedance: 4 nominal (3.2 min)20Hz - 20kHz Resonance Frequency: 90Hz Power Handling:40watts Continuous (per IEC-268-5) Se

5、nsitivity:86dB SPL, Free-Field (per IEC-268-5) 1w, 1m RadioFans.CN 收音机爱 好者资料库 4 DISASSEMBLY/ASSEMBLY PROCEDURE Figure 1. Exploded View 1. Driver Removal Note: Numbers in parentheses correspond to the callouts in Figure 1. 1.1 Remove the three screws (3) that secure the driver to the enclosure (1). 1

6、.2 Lift the driver (2) out of the enclosure. 1.3 Cut the two wires connected to the driver as close to the terminals as possible and remove the driver. 2 3 1 2. Driver Replacement 2.1 Connect the two wires to the drivers terminals. The red wire connects to the + terminal and the black wire connects

7、to the - terminal. 2.2 Secure the driver (2) to the enclosure (1). Be sure to align the gasket to provide an airtight seal. 2.3 Check the drivers response using the test procedure in this manual. 5 TEST PROCEDURE 1. Phase Test 1.1 Momentarily apply 13.3 1Vdc to the speaker input terminals. Observe p

8、olarity when connecting the dc power supply. The driver should move outward. 2. Air Leak Test 2.1 Apply a 6Vrms, 10-15Hz signal to the speaker input terminal. 2.2 Listen for air leaks around the driver and the enclosure. There should be no audible air leaks. 3. Rub and Tick Test 3.1 Apply a 6Vrms, 1

9、0Hz signal to the speaker input terminals. 3.2 No extraneous noise such as rubbing, scraping or ticking should be heard. Note: To distinguish between normal suspension noise and rubs or ticks, dis- place the cone of the driver slightly with your fingers. If the noise can be made to go away or get wo

10、rse, its a rub or tick and the driver should be replaced. If the noise stays the same, its normal suspension noise and it will not be heard with program material. 4. Power Sweep Test 4.1 Apply a 6Vrms, 10-15Hz signal to the speaker input terminals. 4.2 Sweep the speaker from 10Hz to 15kHz. The sweep

11、 rate shall be 3-5 seconds for increasing and decreasing sweep. Note: A whooshing noise from the port at approximately 90Hz is acceptable. 4.3 Listen for any buzzes, rattles, or other extraneous noises. Replace any driver that fails, and redress any wires that might buzz. 6 PART LIST NOTES 1. This p

12、art might not be available from Customer Service. Approval from the Field Service Manager is required before ordering. 2. These items are part of an assembly and might not be available separately. 3. These items are part of the Lit Kit. 4. Grille assembly contains Item Numbers 8, and 9. 7 PART LIST

13、Figure 2. Parts Exploded View 2 3X 8 12 13 14 15 16 3 1 6 7 9 10 11 17 18 4 5 19 Item Number DescriptionQtyPart Number Note 1Enclosure, Ldspkr, Model 1312188195-0011 2Driver Assy, 4.52135491-5 2Driver Gasket, 4.51128407not shown 3Screw, Tapp, 8-11x.75, pan, xrec3173556-12 4Bag, Poly, 18x12x21175352

14、5Carton, inner, Chipboard, 1312189730 6Hardware kit1188198 7Wire, 18/2 Zip Cord, BK, 20FT2130915 8Grill, 8 Diameter2188193-0012 9Flange, Mounting2188192-0012 10Packing, Insert, 1190505-001 11Carton, Grill, Chipboard1189731 12Manual, Owners11882013 13Brochure, All Products11888983 14Card, Info, Warranty, U.S.11813573 15Card, Info, Warranty, Muti Lang11814603 16Sheet, Warranty Service Stations11879813 17Bag, Poly, Lit Kit11033513 18Carton, Model 1311189732-001 19Grille, Assy11881944