Yamaha YHT-494 Owner's Manual

Also see for HTR-3063: Owner's manual Quick reference guide Owner's manual Service manual Quick reference guide

Contents

8 EnIf this product doesn’t work as expected, look for a possible cause below. If the issue you are experiencing is not listed, or you cannotresolve it after reading through these instructions, disconnect the power cable and contact an authorized Yamaha dealer or servicecenter.■ Subwoofer (NS-SW280)■ Surround speakers (NS-B285)Type........................................... Full-range acoustic-suspensionnon-magnetic shielding typeDriver............................................ 6.5 cm (2-1/2") cone speakerNominal input power ......................................................... 30 WMaximum input power ...................................................... 80 WImpedance ............................................................................... 6 ΩFrequency response........................................... 110 Hz–40 kHzSensitivity ........................................................81 dB/2.83 V, 1 mDimensions (W × H × D)90 × 90 × 109 mm (3-1/2" × 3-1/2" × 4-1/4")(without stand)90 × 120 × 123 mm (3-1/2" × 4-3/4" × 4-7/8")(with stand)Weight........................................0.45 kg (1 lbs.) (without stand)■ Front/center speaker (NS-BR300)Type........................................... Full-range acoustic-suspensionnon-magnetic shielding typeDriver....................... 4 × 10 cm (1-1/2 × 4 in) cone speaker ×3Frequency response........................................ 150 Hz to 20 kHzImpedance ............................................................................... 6 ΩDimensions (W × H × D)NS-BR300 ........... 800 × 50 × 70 mm (31-1/2" × 2" × 2-3/4")Stand................. 45 × 70 × 88 mm (1-3/4" × 2-3/4" × 3-1/2")Weight...................................................................... 1.5 kg (3 lbs.)■ Subwoofer (NS-SW280)Type ........................ Advanced Yamaha Active Servo TechnologyDriver...............................................16 cm (6-1/2") cone woofernon-magnetic shielding typeOutput power........................ 50 W (100 Hz, 5 Ω, 10% T.H.D.)Dynamic power ......................................................... 100 W, 5 ΩInput impedance....................INPUT (1P RCA pin jack): 10 kΩFrequency response .............................................30 Hz–160 HzInput sensitivity............................. INPUT (1P RCA pin jack):80 mV (50 Hz, 50 W/5 Ω)Power supplyU.S.A. and Canada models ...........................AC 120 V, 60 HzAustralia model..............................................AC 240 V, 50 HzU.K. and Europe models...............................AC 230 V, 50 HzDimensions (W × H × D) ........................262 × 264 × 316 mm(10-3/8" × 10-3/8" × 12-1/2")Weight................................................................. 6.9 kg (15.2 lbs.)Specifications are subject to change without notice.TroubleshootingIssue Possible cause RemedyThere’s no sound. The speaker cables are notconnected properly.Make sure the speaker cables are connected properly.The sound is very quiet. The speaker cables are notconnected properly.Make sure the speaker cables are connected properly:L (left) to L, R (right) to R, “+” to “+” and “–” to “–”.Issue Possible cause RemedyThe POWER switch is set to ON butthe subwoofer doesn’t work.The power cable is not connectedproperly.Set the POWER switch to OFF, then make sure the powercable is connected properly.There’s no sound. The VOLUME control is set to 0. Turn up the VOLUME control.The subwoofer cable is notconnected properly.Make sure the subwoofer cable is connected properly.The subwoofer is too quiet. The source material doesn’tcontain much bass.Try playing source material that contains more bass.Bass sounds are being cancelledout by standing waves.Reposition the subwoofer, or break up parallel wall surfacesby placing bookshelves or other large objects along the wall.Specifications

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