Bose 310 m and 620 m loudspeaker service manual rev 00

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1 CONTENTS CAUTION: The Bose ® Panaray Model 310M and 620M Loudspeakers contain no user-serviceable parts. To prevent warranty infractions, refer servicing to warranty service stations or factory service. 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. The Bose Panaray Model 310M and 620M Loudspeakers are covered by a limited 5-year transferable warranty. WARRANTY Warranty............................................................................................................................................. 1 Product Description - Model 310M Loudspeaker ........................................................................... 2 Product Description - Model 620M Loudspeaker ........................................................................... 3 Specifications - 310M Loudspeakers ..............................................................................................4 Specifications - 620M Loudspeakers ..............................................................................................5 Part List Notes ................................................................................................................................... 6 Packaging Part List, Panaray ® Model 310M Loudspeaker ............................................................ 7 Figure 1. Panaray Model 310M Loudspeaker Packaging View ........................................................7 Packaging Part List, Panaray Model 620M Loudspeaker .............................................................. 8 Figure 2. Panaray Model 620M Loudspeaker Packaging View ........................................................8 Main Part List, Panaray Model 310M Loudspeaker (see Figure 3) ............................................... 9 Figure 3. Panaray Model 310M Exploded View ..............................................................................10 Main Part List, Panaray Model 620M Loudspeaker (see Figure 4) ............................................. 11 Figure 4. Panaray Model 620M Exploded View ..............................................................................12 Disassembly Procedures, Panaray Model 310M Loudspeaker ................................................... 13 Disassembly Procedures, Panaray Model 620M Loudspeaker ................................................... 14 Test Procedures .............................................................................................................................. 15 Model 310M Crossover Board Layout Diagram ........................................................................... 16 Model 620M Crossover Board Layout Diagram ........................................................................... 17 Model 310M Crossover Board Wiring Diagram ............................................................................ 18 Model 620M Crossover Board Wiring Diagram ............................................................................ 18 Service Manual Revision History ................................................................................................... 19

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2 Product Description - Model 310M Loudspeaker Overview: The Panaray ® Model 310M Loudspeaker is a floor monitor intended for smaller indoor applica- tions, such as churches and auditoriums where the model 402, 502A, MA12 and 802 loud- speakers are used for the main system. The loudspeakers are designed with two specifically designed flat panels that allow the speaker to be used in two different configurations: Vertically positioned at a 40 degree (near field) angle and at a 60 degree angle for far field. The Panaray Model 310M Loudspeakers are manufactured in black and white. Enclosure: The enclosure is a plastic cabinet made of linear low density polyethylene. The volume of the enclosure including ports is approximately 650 cubic inches with approximate dimensions of 14.22x12.52x8.43 (361mmx318mmx214mm). Drivers: The Model 310M loudspeakers use three (3) 2.25" drivers and one (1) 5.25" driver. A total of three (3) 2.5" drivers are located in an articulated array with all the dustcaps in a line. Driver 1 is angled at +20 degrees. Driver 2 is angled 0 degrees (straight ahead) and driver 3 is angled at -20 degrees. The drivers are mounted on the front baffle with four (4) steel powder coated Philips head screws with a thread lock material. Input Area: The speaker has two (2) Neutrik ® NL4 SpeakOn ® connectors mounted on the panel located in a pocket on the rear panel. The input panels are countersunk. Grille/Logo: The grille is a perforated pre-coat galvanneal steel grille with a powder coat. The logo is silk- screened onto the vertical band between the two perf patterns. The arctic white variant has an adhered scrim cloth. Handle: The speaker is provided with two (2) integral handles for convenient transportation by a single person. Packaging: The system packaging consists of the following components: - One black or white speaker - Carton - Owners Manual - One polyethylene bag for cosmetic protection