Yamaha-NS-300-Service-Manual电路原理图.pdf

297(11-11/16)20 (13/16) 317(12-1/2) 212(8-3/8) 900(35-7/16) 680(26-3/4) Unit: mm (inch) INPUTWOOFER TWEETER 2.7F 0.47F 6.8F WOOFER 0.5mH 1.8mH P.O.Box 1, Hamamatsu, Japan 100682 SERVICE MANUAL SPEAKER SYSTEM NS-300 NS-300 I DIMENSIONS I WIRING DIAGRAM I NETWORK CIRCUIT DIAGRAM I SPECIFICATIONS Type.2-way 3-speaker bass reflex speaker system (Magnetically-shielded type) Speaker Unit Woofer. 16 cm (6.5) corn x 2 Tweeter .3 cm (1) dome Nominal Impedance. 6 ohms Frequency Response . 30 Hz 35 kHz Nominal Input Power. 140 W Maximum Input Power . 400 W Sensitivity.91 dB/2.83 V/m Crossover Frequency . 3 kHz Dimensions (W x H x D) . 212 x 900 x 317 mm (8-3/8 x 35-7/16 x 12-1/2) Weight. 19.0 kg (41 lbs. 14 oz.) /1 piece Accessories .Stand x 4, Screw (6 mm) x 4, Spike x 4, Wood screw (4 mm) x 4, Washer x 4, Pad x 4, Nut x 4 Specifications are subject change without notice due to product improvements. TWEETER WOOFER WOOFER TWEETER INPUT C2 WOOFER INPUT C3 L2 L1 C1 RadioFans.CN 收音机爱 好者资料库 1 1-3-5 2 1-4 6 7 9 9 10 1-3-7 1-3-4 1-5 9 5 The Network Assy is fixed with staple. NS-300 I EXPLODED VIEW ABCDE 1 2 3 4 5 6 7 RadioFans.CN 收音机爱 好者资料库 I PARTS LIST *1V4015700CABINET ASSYCH *1V4015800CABINET ASSYBL 1-3-4VA806800ELECTROLYTIC CAP6.8uF50V 1-3-5FR116270PAPER CAP2.7uF160V *1-3-7V4346900MYLAR FILM CAP0.47uF50V 1-4V2192200EMBLEMYAMAHA 1-5CB605250HOLDER *2V4015500FRONT GRILLE ASSYCH *2V4585100FRONT GRILLE ASSYBL *5XW231A00 LOUD SPEAKER16cm *6XW232A00 LOUD SPEAKER2.5cm *7V4041400SPEAKER TERMINAL4P *9V4041500HEXAGON HEAD WOOD SCREW4x20MFCR3 10EN230180OVAL HEAD TAPPING SCREW3.5x16MFC2-BL ACCESSORIES *V4564100STAND ASSY EP040070BIND HEAD TAPPING SCREW4x20ZMC2-BL V2450400HEXAGONAL NUT6.0MFZN2-BL *V4043300SPIKEM6.0 *V4402400WASHER13-7-2MFZN2-BL *V4053100TAPPING SCREW6x12MFC2-BL * New Parts Ref. No.PART NO.DescriptionRemarksMarkets NS-300 I ATTACHING THE STAND Procedures 1. Put the 6 mm screw through the inside hole on the stand. 2. Place a washer on the screw on the speaker side of the stand and attach to the speaker at one of the outside holes on the base os the speaker. At this time, attach the stand so that it can still be moved slightly. 3. Put the 4 mm wood screw through the outside hole on the stand, and screw into the inside hole on the base of the speaker. 4. When both screws have been sttached, tighten both of the screws so that the stand is firmly in place. Be sure to check that the stand is firmly sttached. 5. Attach the pads to the bottom of the end portion of the stand. 6. Attach the other stands in the same manner and confirm that all 4 stands have been firmly sttached. 7. Place the speaker in the desired location. Note If force is applied to the side of the speaker, it may fall and damage the speaker or couse personal injury. Please be careful. Stand x 4Screw (6 mm) x 4Wood screw (4 mm) x 4 Washer x 4Pad x 4 When positioning the speakers, be sure to use the stand to increase stability. Use the 8 specified holes located on the base of the speaker. I ATTACHING THE SPIKE Procedures 1. Set the nut close to the tip of the spike and screw them into the bottom of the speaker at each of the four specified holes. 2. Place the speaker in the desired location in an upright position and adjust the length of the spike to match the depth of the carpet. 3. When adjustment is complete, twist the nut up to the base of the speaker firmly. Notes The tips of the spikes may scratch or otherwise damage the flooring. Please be careful when positioning the speakers. If force is applied to the side of the speaker, it may fall and damage the speaker or cause personal injury. Please be careful. Spike x 4 When setting up the speakers on a thick carpet, use the spikes instead of the stand. With 4 points set in place to achieve increased stability and improvements in sound quality. NS-300 Nut