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Bose 300PM, Руководство по обслуживанию

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Bose 300PM Скачать руководство пользователя страница 13

13

Model 300PM Loudspeaker part list (per figure 6)

Figure 6.  Model 300PM Loudspeaker exploded view

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6

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Item

Number

Description

Part Number Quantity per

Assembly

1

Grille Assembly, 300PM

187239-001

1

2

Screw, Tapp, 8-11x.75,Pan, Xrc/Sq

172672-12

10

3

Driver Assembly, Shielded, 4.5”

187246-001

2

4

Grommet, Grille Socket

176068

4

5

Insert, Threaded, Ext/Intl

121690

4

6

Washer, Lock, .326, 5/16, Intl T

121692-31

4

7

Nut, Lock, Flange, M8

121691

4

8

Screw, Hilo, 6x.375, Pan/Xrec

175972-06

4

9

Crossover Assembly, 300PM

187241-001

1

10

Connector, Binding Post, 203, Grey

187232-003

1

-

Nameplate, Logo, Black

187254-001

1

Содержание 300PM

Страница 1: ... MODEL 300PM LOUDSPEAKER Part Number 193626 Rev 00 Service Manual 1997 Bose Corporation ...

Страница 2: ...oudspeaker test setup diagram 7 Figure 2 Model 300PM Loudspeaker driver wiring diagram 8 Figure 3 Model 300PM Loudspeaker schematic diagram 9 Figure 4 Model 300PM Loudspeaker Crossover Assembly top side etch layout diagram 10 Figure 5 Model 300PM Loudspeaker Crossover Assembly bottom side etch layout 11 Model 300PM Loudspeaker crossover assembly part list per figures 4 5 12 Model 300PM Loudspeaker...

Страница 3: ...age of the transistors of the electronic switch 1 5 1 8 Vrms Turn on level rise 2 6 dB On resistance 0 33Ω Maximum audio voltage applied to speaker 60 Vrms Maximum continuous sinusoidal current 3 4 Arms 15 Reset Time 250 300 ms Port each side Flared slot port tuned to 60Hz Impedance 6Ω Nominal 4 8Ω minimum from 20Hz to 20kHz Power Handling 100W 24 5 Vrms continuous 600W peak power handling w Smart...

Страница 4: ...millisecond positive pulse to the base of Q5 turning it on for that amount of time While Q5 is conducting it will apply 0 Volts to the gates of Q7 and Q8 shutting them off and disabling the loudspeaker for that amount of time Once the charging of C5 through R2 is completed Q5 will shut off again turning Q7 and Q8 back on and allowing the speaker to operate again If the overload condition persists ...

Страница 5: ...h the driver opening 6 3 Orient the crossover assembly so that the tabs on the binding post connector 10 and the receptacles on the crossover assembly are aligned Note Refer to Figure 6 for the following procedures 1 Grille removal 1 1 Using your fingers grasp the grille 1 edge nearest the port slot and gently pull the grille away from the cabinet until it comes free 1 2 Grasp the opposite edge of...

Страница 6: ...r screws 2 that secure the binding post connector 10 to the speaker cabinet 7 3 Gently pull on the binding post connector housing until it comes free of the cabinet 8 Binding Post Connector replacement 8 1 Slide the binding post connector 10 into the rear of the cabinet Be sure it is oriented so that the and markings on the binding post connector are nearest the edge of the cabinet 8 2 Secure the ...

Страница 7: ... is suspension noise 2 4 Replace the grille using procedure 2 3 Air Leak Test 3 1 Remove the grille using procedure 1 3 2 Apply a 6Vrms 60Hz signal to the input terminals on the rear of the speaker cabinet Leave the speaker port open 3 3 Test duration should be 5 seconds minimum 3 4 Listen carefully for air leaks along all glue joints at the binding post connector and at both transducer mounting l...

Страница 8: ...8 _ RED BLACK DRIVER D R I V E R PCB BLUE Figure 2 Model 300PM Loudspeaker driver wiring diagram ...

Страница 9: ...I540G G S D L1 65uH 1 W5 1 W6 R16 2K 1W R15 0 15 2W R11 1 5K R13 1 5K R12 1 5K R14 1 5K R6 51K R9 51K R10 100K R8 560 R7 51K R4 20K R3 20K R2 1 0M D3 1N4736 3 2 1 Q8 IRLI540G G S D Q9 2SA608K E C7 10 25V C6 10 25V C3 100 25V C4 100pF C2 0 33 250V D9 1N4148 D8 1N4148 D7 1N4148 D6 1N4148 D4 1N4148 D1 1N3070 C5 0 27 C8 10 50V C1 0 33 100V D2 1N3070 D5 1N4148 R19 51K R20 100K R21 10K R5 51K R18 200 R1...

Страница 10: ...Figure 4 Model 300PM Loudspeaker Crossover Assembly top side etch layout diagram 10 ...

Страница 11: ...Figure 5 Model 300PM Loudspeaker Crossover Assembly bottom side etch layout 11 ...

Страница 12: ...83 334 1 C3 Cap El 85 25V 20 100uF 119941 101E 1 C4 Cap Disc SL 50V 10 100pf 137269 101 1 C5 Cap Box 85 50V 5 27uF 137127 274 1 C6 C7 Cap El BP 85 25V 20 10uF 149948 100E 2 C8 Cap El BP 85 50V 20 10uF 138365 1 L1 Inductor 65 uH 11 Ohm Ferrite 189799 1 D3 Diode Zener 6 8V 1W 5 1N4736 116995 4736A 1 D4 D5 D6 D7 D8 D9 Diode Switching 75V 300mA 1N4148 121501 6 Q2 Q3 Q4 Q5 Q10 Transistor Bi polar N 60V...

Страница 13: ...sembly 1 Grille Assembly 300PM 187239 001 1 2 Screw Tapp 8 11x 75 Pan Xrc Sq 172672 12 10 3 Driver Assembly Shielded 4 5 187246 001 2 4 Grommet Grille Socket 176068 4 5 Insert Threaded Ext Intl 121690 4 6 Washer Lock 326 5 16 Intl T 121692 31 4 7 Nut Lock Flange M8 121691 4 8 Screw Hilo 6x 375 Pan Xrec 175972 06 4 9 Crossover Assembly 300PM 187241 001 1 10 Connector Binding Post 203 Grey 187232 00...

Страница 14: ...t list per figure 7 Item Number Description Part Number Quantity per Pair 1 Packing End Cap 203 187243 001 2 2 Bag Poly 13 5x33 5x13x3 mil 106595 2 3 Carton RSC 300PM 187242 001 1 Figure 7 Model 300PM Loudspeaker packing diagram 2X 1 2 1 3 ...

Страница 15: ...that can be used to mount the Model 300PM Loudspeaker that are available through Bose BKK They are model numbers CB 22 GWS 200 and GBB 1 Note All measurements are in millimeters all angles are in degrees Figure 8 CB 22 bracket Figure 9 GBB 1 bracket Figure 10 GWS 200 bracket ...

Страница 16: ...IFICATIONS AND FEATURES SUBJECT TO CHANGE WITHOUT NOTICE P N 193626 REV 00 08 97 FOR TECHNICAL ASSISTANCE OR PART ORDERS CALL 1 800 367 4008 Bose Corporation The Mountain Framingham Massachusetts USA 01701 ...

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