Yamaha A-S2000 - Amplifier Owner's Manual

Other manuals for A-S2000 - Amplifier: Service Manual, Owner's Manual, Owner's Manual, Owner's Manual

Summary of A-S2000 - Amplifier

  • Page 1

    Black dic 2181s* ucab stereo amplifier amplificateur stéréo owner’s manual mode d’emploi.

  • Page 2: Hifi Began With Yamaha

    Hifi began with yamaha yamaha’s involvement with and passion for music goes back more than a century, to when we built our first reed organ in 1887. Now we are the world’s leading producer of pianos and other musical instruments, and are involved with music in many other ways as well. We manufacture...

  • Page 3

    Excellence in audio achievement first hifi system introduced in 1920 we introduced numerous hifi components (turntables, fm/am tuners, integrated amplifiers, preamplifiers, power amplifiers and speakers) in 1955 - 1965. Natural sound speaker series introduced in 1967 ns-20 monitor speaker ca-1000 in...

  • Page 4: Fully Balanced Control Amp

    4 en ◆ full floating and balanced circuit design achieves for the first time the full potential of analogue amplification an entirely new floating and balanced power amp achieves complete symmetry and permits full balanced transmission (amplification) from the input jack to just before the speaker j...

  • Page 5: Controls and Functions

    5 en controls and functions in this chapter, you will learn the controls and functions of a-s2000..

  • Page 6: Controls and Functions

    6 en controls and functions ■ front panel (left side) 1 power press upward or downward to turn on or off this unit. Y the power indicator above lights up when this unit is turned on. • if the power indicator flashes when you turn on this unit, disconnect the ac power cable and contact the nearest au...

  • Page 7

    7 en 3 phones jack outputs audio for private listening with headphones. When headphones are plugged in: – both speaker sets connected to the speakers l/r ch a and b terminals are turned off. – no signals are output at the pre out jacks, while signals are output at the rec jacks. – you cannot select ...

  • Page 8: Controls and Functions

    8 en controls and functions ■ front panel (right side) 6 bass increases or decreases the low frequency response. The 0 position produces a flat response. Control range: –10 db to +10 db 7 treble increases or decreases the high frequency response. The 0 position produces a flat response. Control rang...

  • Page 9

    9 en 0 input selector selects the input source you want to listen to. The audio signals of the selected input source are also output at the rec jacks. • switch to the cd bal position to select the cd player connected to the cd bal jacks (balanced xlr jacks). • switch to the cd position to select the...

  • Page 10: Controls and Functions

    10 en controls and functions ■ rear panel 1 speakers l/r ch terminals 2 input jacks 3 line2 jacks 4 main in jacks adjust the volume level using the volume control on the external amplifier connected to the main direct jacks when you select main direct as the input source. 5 pre out jacks • when you ...

  • Page 11

    11 en 6 ac in use this inlet to plug in the supplied power cable. 7 voltage selector (asia and general models only) the voltage selector on the rear panel of this unit must be set for your local main voltage before plugging the ac power cable into the ac wall outlet. Improper setting of the voltage ...

  • Page 12: Controls and Functions

    12 en controls and functions ■ remote control 1 infrared signal transmitter outputs infrared control signals. 2 yamaha tuner control buttons control functions of yamaha tuner. Refer to the owner’s manual of your tuner for details. Some components may not be controlled by this remote control. 3 yamah...

  • Page 13: Connections

    Connections in this section, you will make connections between a-s2000, speakers, and source components..

  • Page 14: Connections

    14 en connections • do not let the bare speaker wires touch each other or do not let them touch any metal part of this unit. This could damage this unit and/or the speakers. • all connections must be correct: l (left) to l, r (right) to r, “+” to “+”, and “–” to “–”. If the connections are faulty, n...

  • Page 15

    15 en • because the power amplifier of a-s2000 is of the floating balanced type, the following types of connections are not possible. – connecting with the left channel “–” terminal and the right channel “–” terminal as well as “+” terminals (fig. 1). – deliberately connecting with the left/right ch...

  • Page 16: Connections

    16 en connections ■ connecting the speakers 1 remove approximately 10 mm (0.4 in) of insulation from the end of each speaker cable and twist the exposed wires of the cable together to prevent short circuits. 2 unscrew the knob and then insert the bare wire into the hole. 3 tighten the knob. ■ connec...

  • Page 17

    17 en ■ bi-wire connection the bi-wire connection separates the woofer from the combined midrange and tweeter section. A bi-wire compatible speaker has four binding post terminals. These two sets of terminals allow the speaker to be split into two independent sections. This split connects the mid an...

  • Page 18: Connections

    18 en connections ■ voltage selector (asia and general models only) the voltage selector on the rear panel of this unit must be set for your local voltage before plugging the power cable into the ac wall outlet. Improper setting of the voltage selector may cause damage to this unit and create a pote...

  • Page 19: Specifications

    Specifications in this section, you will find technical specifications for a-s2000..

  • Page 20: Specifications

    20 en specifications power section • minimum rms output power (8 Ω , 20 hz to 20 khz, 0.02% thd) ...................... 90 w + 90 w (4 Ω , 20 hz to 20 khz, 0.02% thd) .................. 150 w + 150 w • dynamic power (ihf) (8/6/4/2 Ω ) ................... 105/135/190/220 w • maximum output power (1 k...

  • Page 21

    21 en ■ block diagram cd b a l phono cd speakers l ch phones tuner line1 line2 pb line2 rec pre out main in b uffer amp µ com for µ com pr o tection remo te b ass treble b alance fr ont p anel input sel v olume contr ol sub transformer main transformer independent current regula ted po wer suppl y (...

  • Page 22: Specifications

    22 en specifications ■ tone control characteristics ■ total harmonic distortion +15 +12.5 +10 +7.5 +5 +2.5 0 –2.5 –5 –7.5 –10 –12.5 –15 10 20 50 100 200 500 1k frequency (hz) response (db) 2k 5k 10k 20k 50k 100k 1 0.5 0.05 0.005 0.2 0.02 0.002 0.1 0.01 0.001 2 5 10 output (w) thd + n ratio (%) 20 50...

  • Page 23

    23 en ■ total harmonic distortion (phono) 10 5 2 1 0.5 0.2 0.02 0.002 0.0002 0.1 0.01 0.001 0.0001 0.05 0.005 0.0005 100 µ 200 µ 500 µ 1m 2m 5m 10m 20m 20hz 1khz 20khz input (vrms) 50m 100m 200m 500m 1 2 thd + n ratio (%) eng lish.

  • Page 24: Troubleshooting

    24 en troubleshooting refer to the chart below if this unit does not function properly. If the problem you are experiencing is not listed below or if the instructions below do not help, turn off this unit, disconnect the ac power cable, and contact the nearest authorized yamaha dealer or service cen...

  • Page 25

    25 en problem cause remedy see page the volume level is low while playing a record. Incorrect setting for the phono switch on the front panel. Switch the phono switch to the mm or mc position according to the type of magnetic cartridge of the turntable. — the sound is degraded when listening with th...

  • Page 26

    Black dic 2181s* © 2007 all rights reserved. Printed in malaysia wm15590 yamaha electronics corporation, usa 6660 orangethorpe ave., buena park, calif. 90620, u.S.A. Yamaha canada music ltd. 135 milner ave., scarborough, ontario m1s 3r1, canada yamaha electronik europa g.M.B.H. Siemensstr. 22-34, 25...

  • Page 27: Stereo Amplifier

    Stereo amplifier amplificateur s t é r é o safety brochure brochure sur la securite ucab.

  • Page 28

    I en • explanation of graphical symbols the lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert you to the presence of uninsulated “dangerous voltage” within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to ...

  • Page 29

    Ii en eng lish ■ for u.K. Customers if the socket outlets in the home are not suitable for the plug supplied with this appliance, it should be cut off and an appropriate 3 pin plug fitted. For details, refer to the instructions described below. The plug severed from the mains lead must be destroyed,...

  • Page 30

    Iii en 1 to assure the finest performance, please read this manual carefully. Keep it in a safe place for future reference. 2 install this sound system in a well ventilated, cool, dry, clean place – away from direct sunlight, heat sources, vibration, dust, moisture, and/or cold. Allow ventilation sp...

  • Page 31

    Iv en eng lish ■ notes on batteries • change all of the batteries if you notice that the operation range of the remote control decreases. • use aa, r6, um-3 batteries. • make sure that the polarities are correct. See the illustration inside the battery compartment. • remove the batteries if the remo...

  • Page 32

    Yamaha electronics corporation, usa 6660 orangethorpe ave., buena park, calif. 90620, u.S.A. Yamaha canada music ltd. 135 milner ave., scarborough, ontario m1s 3r1, canada yamaha electronik europa g.M.B.H. Siemensstr. 22-34, 25462 rellingen bei hamburg, germany yamaha electronique france s.A. Rue am...

  • Page 33: A-S2000/cd-S2000

    Upon shipment from the factory, magnet feet are fixed with transport tape to this unit’s feet. Remove the transport tape before placing this unit. Les pieds aimantés ont été fixés en usine aux pieds de cet appareil avec du ruban adhésif. Retirez le ruban adhésif avant d’installer cet appareil. Bei v...