Yamaha 01EN_A S2000_UCAB A S2000 Owners Manual

User Manual: Yamaha A-S2000 Owners Manual

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BLACK
DIC 2181s*

UCAB

Stereo Amplifier
Amplificateur Stéréo

OWNER’S MANUAL
MODE D’EMPLOI

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 professional recording
equipment, we design concert halls and we assist artists at
concerts with set up and sound tuning.
This knowledge and experience benefits our production of
audio components in many ways. We introduced our first HiFi
(High Fidelity) turntable in 1954. Thereafter we were one of the first
to offer mass-produced, high quality audio equipment,
and introduced many legendary stereo components.
We hope you enjoy the genuine HiFi experience of
Yamaha Natural Sound.

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 Integrated Amplifier
Featuring A-Class operation, the CA-1000 set
the standard for integrated amplifiers.

NS-690 Monitor Speaker
NS-1000M Monitor Speaker
A truly legendary speaker still revered by HiFi
enthusiasts.

B-1 Power Amplifier
An innovative power amp that used FETs in all
stages.

C-2 Control Amplifier
Received top prize at the Milan International Music
and HiFi Show.

NS-10M Studio Monitor Speaker
Became of the most popular studio monitors
in the world.

A-1 Integrated Amplifier
PX-2 Turntable
Yamaha’s first straight arm turntable.

B-6 Power Amplifier
Pyramid-shaped power amplifier.

GT-2000/L Turntable
First CD Player (CD-1) introduced in 1983
B-2x Power Amplifier
MX-10000 Power Amplifier and
CX-10000 Control Amplifier
Redefined the capabilities of separate components.

AX-1 Integrated Amplifier
GT-CD1 CD Player
MX-1 Power Amplifier and
CX-1 Preamplifier
Soavo-1 and Soavo-2 Natural Sound
Speaker Systems
A-S2000 Stereo Amplifier and
CD-S2000 Super Audio CD Player

◆ 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 jack

◆ Full-stage balanced signal transmission
The world’s first integrated amp to offer full stage balanced transmission, combining high power output with good sound
texture and outstanding S/N performance

◆ Floating and balanced power amp
◆ Fully balanced control amp
◆ Fully balanced digital volume and tone controls
◆ Four large capacity power supplies
◆ Symmetrical construction
◆ Headphone amp for low impedance drive
■ Supplied accessories
Please check that you have received all of the following parts.
• Remote control
• Batteries (AA, R6, UM-3) (×2)
• Power cable
• Safety brochure

Contents
Controls and functions.......................................................................................................................................... 6
Connections.......................................................................................................................................................... 14
Specifications ....................................................................................................................................................... 20
Troubleshooting................................................................................................................................................... 24

■ About this manual
• y indicates a tip for your operation.
• This manual is printed prior to production. Design and specifications are subject to change in part as a result of improvements, etc. In
case of differences between the manual and the product, the product has priority.
• The color of images in this manual may vary from the original.
• Read the safety brochure before using this unit.

4 En

Controls and functions
In this chapter, you will learn the controls and functions of A-S2000.

5 En

Controls and functions
■ Front panel (left side)

BASS

POWER

PHONES

TRIM

-6

SPEAKERS
+6

OFF

B
A+B
BI-WIRING

+12

OFF

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.

2 Remote control sensor
Receives signals from the remote control.
The remote control transmits a directional infrared beam.
Be sure to aim the remote control directly at the remote
control sensor on the front panel of this unit during
operation.

Notes
• If the POWER indicator flashes when you turn on this unit,
disconnect the AC power cable and contact the nearest
authorized Yamaha dealer or service center (see page 24).
• When you turn on this unit, there will be a few second delay
before this unit can reproduce sound.

6 En

Approximately 6 m (20 ft)

INPUT
TREBLE

BALANCE

VOLUME

CD BAL
LINE 1

LINE 2

MAIN DIRECT

TUNER

PHONO

PHONO
MM

AUDIO MUTE

3 PHONES jack
Outputs audio for private listening with headphones.
Note
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 MAIN DIRECT as the input source.
– If headphones are plugged into the PHONES jack while
MAIN DIRECT is selected as the input source, no audio is
output at the PHONES jack.

4 TRIM
Adjusts the volume level when headphones are plugged in
to avoid sudden changes in volume.
Choices: –6 dB, 0 dB, +6 dB, +12 dB

5 SPEAKERS
Turns on or off the speaker set connected to the
SPEAKERS L/R CH A and/or B terminals on the rear
panel.
• Switch to the OFF position to turn off both speaker
sets.
• Switch to the A or B position to turn on the speaker set
connected to the SPEAKERS L/R CH A or B
terminals.
• Switch to the A+B BI-WIRING position to turn on
both speaker sets.
Caution
If you use two sets (A and B), the impedance of each speaker
must be 8 Ω or higher.

English

7 En

Controls and functions
■ Front panel (right side)

BASS

POWER

PHONES

TRIM
-6

SPEAKERS
+6

OFF
+12

OFF

B
A+B
BI-WIRING

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 range: –10 dB to +10 dB
Notes
• When both the BASS and TREBLE controls are set to the 0
position, audio signal bypasses the tone control circuitry.
• The BASS and TREBLE controls do not affect the signals input
at the MAIN DIRECT jacks and signals output at the REC OUT
jacks.

8 En

8 BALANCE
Adjusts the audio output balance of the left and right
speakers to compensate for sound imbalances caused by
speaker locations or listening room conditions.
Note
The BALANCE control does not affect the signals input at the
MAIN DIRECT jacks and signals output at the REC OUT jacks.

9 PHONO
Selects the type of magnetic cartridge of the turntable
connected to the PHONO jacks on the rear panel.
• Press upward to the MM position when the connected
turntable has a moving magnet (MM) cartridge.
• Press downward to the MC position when the
connected turntable has a moving coil (MC) cartridge.
• When you replace the cartridge, be sure to turn off this
unit.

INPUT
TREBLE

BALANCE

VOLUME

CD BAL
CD

LINE 1

TUNER

LINE 2

MAIN DIRECT

PHONO

PHONO
MM

AUDIO MUTE

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.
Notes
• 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 CD player connected to
the CD jacks (unbalanced RCA jacks).
• Switch to the MAIN DIRECT position to select the component
connected to the MAIN IN jacks. When MAIN DIRECT is
selected as the input source, no signals are output at the PRE
OUT, REC, and PHONES jacks.

A AUDIO MUTE
Press downward to reduce the current volume level by
approximately 20 dB. Press again to restore the audio
output to the previous volume level.
y
• The AUDIO MUTE indicator lights up while the mute function
is on.
• You can also rotate VOLUME on the front panel or press
VOL +/– on the remote control to resume the audio output.

B VOLUME
Controls the volume level. This does not affect the REC
level.
Note
The VOLUME control does not affect when you select MAIN
DIRECT as the input source. Adjust the volume level using the
volume control on the external amplifier connected to the MAIN
DIRECT jacks.

English

9 En

Controls and functions
■ Rear panel
1

SPEAKERS R CH

INPUT

LINE2

CD
BAL

TUNER

LINE 1

REC

L
L

B
R

L
GND

PHONO

See page 14 for connection information.
1 SPEAKERS L/R CH terminals
2 INPUT jacks
3 LINE2 jacks
4 MAIN IN jacks
Note
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.

10 En

5 PRE OUT jacks
Notes
• When you connect audio pin plugs to the PRE OUT jacks to
drive the speakers using an external amplifier, it is not
necessary to use the SPEAKERS L/R CH terminals.
• The signal output at the PRE OUT jacks are affected by the tone
control settings.
• The PRE OUT jacks output the same channel signal as the
SPEAKERS L/R CH terminals.
• When you use a subwoofer, connect it to the PRE OUT jacks
and speakers to the SPEAKERS L/R CH terminals.

SPEAKERS L CH

MAIN IN

PRE OUT

VOLTAGE SELECTOR

230240V

R
AC IN

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 SELECTOR may cause damage
to this unit and create a potential fire hazard.
Rotate the VOLTAGE SELECTOR clockwise or
counterclockwise to the correct position using a straight
slot screwdriver.
Voltages are as follows:
AC 110/120/220/230–240 V, 50/60 Hz

8 Foot
The feet of this unit include built-in spikes. Using the
spikes can reduce the effect of vibrations on the set. When
using the spikes, remove the magnet foot by pulling it.

Spike

Caution
When using the feet’s built-in spikes, the spikes may scratch the
shelf or floor on which this unit is installed. Use the supports
when placing this unit on expensive furniture, etc.

11 En

English

If this unit is unstable, you can adjust the foot height by rotating
it.

Controls and functions
■ Remote control
4 Amplifier control buttons

INPUT
/
Selects the input source you want to listen to.
A/B/C/D/E

Notes
• When MAIN DIRECT is selected as the input source, no
signals are output at the PRE OUT and REC jacks.
• If headphones are plugged into the PHONES jack while MAIN
DIRECT is selected as the input source, no audio is output at
the PHONES jack.

2
PRESET

VOL +/–
Controls the volume level.
Note

The VOLUME control does not affect when you select MAIN
DIRECT as the input source. Adjust the volume level using the
volume control on the external amplifier connected to the MAIN
DIRECT jacks.

MUTE
Reduces the current volume level by approximately 20
dB. Press again to restore the audio output to the previous
volume level.

VOL

INPUT

MUTE

INPUT

VOL

y
You can also press VOL +/– to resume the audio output.

■ Installing batteries in the remote control

1
3

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.
Note

Press the
part and slide the battery
compartment cover off.

Insert the two supplied batteries
(AA, R6, UM-3) according to the polarity
markings (+ and –) on the inside of the
battery compartment.

Slide the cover back until it snaps into place.

Some components may not be controlled by this remote control.

3 Yamaha CD player control buttons
Control various functions of Yamaha CD player. Refer to
the owner’s manual of your CD player for details.
y
Press

once to pause and twice to stop playback.

Note
Some components may not be controlled by this remote control.

12 En

Connections
In this section, you will make connections between A-S2000, speakers,
and source components.

Connections
Speakers A
(R channel)

CD player with
RCA jacks

CD player with
XLR jacks
Tuner

SPEAKERS R CH

LINE2

INPUT

CD
BAL

TUNER

LINE 1

MAIN IN

REC

PRE OUT

L
L

B
R

L
GND

PHONO

Ground

Speakers B
(R channel)
Turntable

DVD player,
etc.

Caution
• 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, no
sound will be heard from the speakers, and if the polarity of the
speaker connections is incorrect, the sound will be unnatural
and lack bass. Also, refer to the owner’s manual for each of
your components.

14 En

• Use RCA unbalanced cables to connect other components
except speakers. Use “male” XLR balanced cables to connect a
CD player with XLR balanced output jacks to the CD BAL
jacks of this unit.
• Connect your turntable to the GND terminal to reduce noise in
the signal. However, you may hear less noise without the
connection to the GND terminal for some record players.

External amplifier or
active subwoofer

Preamplifier,
AV receiver, etc.

Speakers A
(L channel)

SPEAKERS L CH

LINE2

INPUT

TUNER

LINE 1

MAIN IN

REC

PRE OUT

L
L

R
AC IN

B
L
GND

–

Speakers B
(L channel)
CD recorder,
tape deck, etc.

Caution

Fig. 1

Fig. 2
+

–

English

–

• 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 channel “–”
terminals and metal part on the rear panel of this unit, as well
as accidentally touching them.
– Connecting with the left channel “–” terminal and the right
channel “–” terminal inverted (cross connection, Fig. 2).
• Do not connect your active subwoofer to the SPEAKERS
terminal. Connect it to the PRE OUT jacks of this unit.

15 En

Connections
■ Connecting the speakers

■ Connecting the banana plug
(Except for Europe models)

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.

First, tighten the knob and then insert the banana
plug into the end of the corresponding terminal.

10 mm (0.4 in)
Banana plug

Unscrew the knob and then insert the bare
wire into the hole.

■ Connecting the Y-shaped lug

Unscrew the knob and then sandwich the Yshaped lug between the ring part and base.
Y-shaped lug
Slide

Tighten the knob.

16 En

Tighten the knob.

■ Bi-wire connection

■ Connecting to the CD BAL jacks

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 and high
frequency drivers to one set of terminals and the low
frequency driver to the other pair.

Connect your CD player with the XLR balanced output
jacks. The pin assignments for these jacks are shown
below. Refer to the owner’s manual supplied with your
CD player and verify that its XLR balanced output jacks
are compatible with the pin assignments.

Caution

2: hot

1: ground

To use the bi-wire connections, the impedance of each speaker
must be 8 Ω or higher.

Notes
• Remove the shorting bars or bridges to separate the LPF (low
pass filter) and HPF (high pass filter) crossovers.
• To use the bi-wire connections, switch the SPEAKERS selector
to the A+B BI-WIRING position.

3: cold

When connecting, be sure to match the pins and insert the
connector of the “male” XLR balanced cable until you
hear a “click”. When disconnecting, pull out the “male”
XLR balanced cable while holding down the lever of the
CD BAL jacks.
“Female” XLR connector

“Male” XLR connector

Note
To use the XLR balanced connection, you must switch the
INPUT selector on the front panel to the CD BAL position.

English

17 En

Connections
■ VOLTAGE SELECTOR
(Asia and General models only)
Caution
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 potential fire hazard.
Rotate the VOLTAGE SELECTOR clockwise or
counterclockwise to the correct position using a straight
slot screwdriver.
Voltages are as follows:
........................ AC 110/120/220/230–240 V, 50/60 Hz
VOLTAGE SELECTOR

230240V

Voltage
indication

■ Connecting the power cable
Plug the power cable into the AC IN connector when all
connections are complete, and then plug in the power
cable to the AC outlet.

18 En

Specifications
In this section, you will find technical specifications for A-S2000.

Specifications
POWER SECTION

CONTROL 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

• Input Sensitivity/Input Impedance
CD, etc. .................................................................. 150 mV/47 kΩ
MM ......................................................................... 2.5 mV/47 kΩ
MC ........................................................................... 100 µV/50 Ω
MAIN IN ...................................................................... 1 V/47 kΩ

• Dynamic Power (IHF) (8/6/4/2 Ω) ................... 105/135/190/220 W
• Maximum Output Power
(1 kHz, 0.7% THD, 4 Ω) [U.K. and Europe models only]
.......................................................................................... 160 W
• Maximum Useful Output Power (JEITA)
(1 kHz, 10% THD, 8/4 Ω)
[Asia, General, China and Korea models only] ....... 120/190 W
• Dynamic Headroom
8 Ω ..................................................................................... 0.67 dB
• IEC Output Power [U.K. and Europe models only]
(1 kHz, 0.02% THD, 8/4 Ω)............................................ 95/155 W
• Damping Factor
1 kHz, 8 Ω ................................................................................ 160
• Maximum Input Signal
CD, etc. ................................................................................. 2.8 V
PHONO MM (1 kHz) ........................................................ 120 mV
PHONO MC (1 kHz) ............................................................ 7 mV
• Frequency Response
CD, etc. (Flat Position, 5 Hz to 100 kHz) ...................... +0/−3 dB
CD, etc. (Flat Position, 20 Hz to 20 kHz) ................... +0/−0.3 dB
• RIAA Equalization Deviation
PHONO MM (20 Hz to 20 kHz) ...................................... ±0.5 dB
PHONO MC (20 Hz to 20 kHz) ....................................... ±0.5 dB
• Total Harmonic Distortion
CD BAL to SP OUT
(20 Hz to 20 kHz, 90 W/8 Ω) ............................................. 0.01%
CD, etc. to SP OUT
(20 Hz to 20 kHz, 90 W/8 Ω) ........................................... 0.015%
PHONO MM to REC
(20 Hz to 20 kHz, 2 V) ..................................................... 0.005%
PHONO MC to REC
(20 Hz to 20 kHz, 2 V) ....................................................... 0.05%

• Output Level/Output Impedance
REC OUT ............................................................. 150 mV/1.5 kΩ
PRE OUT ..................................................................... 1 V/1.5 kΩ
• Headphone Rated Output
1 kHz, 32 Ω , 0.2% THD ................................................... 30 mW
• Channel Separation
CD, etc. (5.1 kΩ Terminated, 1 kHz/10 kHz) ................. 74/54 dB
PHONO MM (Input shorted, 1 kHz/10 kHz, Vol.:−30 dB)
....................................................................................... 90/77 dB
PHONO MC (Input shorted, 1 kHz/10 kHz, Vol.:−30 dB)
....................................................................................... 66/77 dB
• Tone Control Characteristics
BASS
Boost/Cut (50 Hz) ............................................................. ±9 dB
Turnover Frequency ........................................................ 350 Hz
TREBLE
Boost/Cut (20 kHz) ........................................................... ±9 dB
Turnover Frequency ....................................................... 3.5 kHz
• Audio muting......................................................... –20 dB (approx.)

GENERAL
• Power Supply
[U.S.A. and Canada models] ............................. AC 120 V, 60 Hz
[Asia model] .................................. AC 220/230–240 V, 50/60 Hz
[General model] ............... AC 110/120/220/230–240 V, 50/60 Hz
[China model] .................................................... AC 220 V, 50 Hz
[Korea model] .................................................... AC 220 V, 60 Hz
[Australia model] ............................................... AC 240 V, 50 Hz
[U.K. and Europe models] ................................. AC 230 V, 50 Hz
• Power consumption ................................................................ 350 W
• Idling power consumption ......................................................... 80 W

• Intermodulation Distortion
CD, etc. to SP OUT
(Rated output/8 Ω) .............................................................0.02%

• Off-state power consumption ...................................................... 0 W

• Signal to Noise Ratio (IHF-A Network)
CD, etc. (150 mV, Input shorted) ..........................................98 dB
PHONO MM (5 mV, Input shorted) .....................................93 dB
PHONO MC (500 µV, Input shorted) ..................................85 dB

• Weight .................................................................... 22.7 kg (50 lbs.)

• Residual Noise (IHF-A Network) (CD, etc.) .......................... 33 µV

20 En

• Dimensions (W x H x D) ................................. 435 x 137 x 465 mm
(17-1/8” x 5-3/8” x 18-5/16”)

* Specifications are subject to change without notice.

■ Block diagram

CD BAL

PHONO

HOT (POSITIVE PHASE)

COLD (NEGATIVE PHASE)

EQ AMP

MC
HEAD AMP

MM/MC

BUFFER AMP

INPUT SELECTOR

HOT

COLD

for LINE AMP2

for VOLUME1

TONE CONTROL DEVICES

FLAT

TONE CONTROL DEVICES

FLAT

TONE CONTROL/FLAT

SUB TRANSFORMER
(for POWER AMP / VOLTAGE AMP STAGE)
POWER SWITCH

HOT

COLD

BALANCE ⇐⇒ UNBALANCE
CONVERTER

MAIN TRANSFORMER

MAIN DIRECT

FLOATING BALANCE
POWER AMPLIFIER

SPEAKER DRIVER

HOT (POSITIVE PHASE) SIDE

for COLD

R CH

for HOT

R CH

for COLD

L CH

for HOT

L CH

INDEPENDENT FLOATING
POWER SUPPLY

LOW IMPEDANCE DRIVE
HEADPHONE AMP

SPEAKER DRIVER

COLD (NEGATIVE PHASE) SIDE

VOLUME & TONE CONTROL
ATT. 1

ATT. 2

ATT. 3

ATT. 4

ATT. 5

ATT. 6

for VOLUME2

HOT

COLD

UNBALANCE ⇐⇒ BALANCE
CONVERTER

CONTROL

for LINE AMP1

INDEPENDENT CURRENT REGULATED POWER SUPPLY (for AUDIO)

for MC AMP

TUNER
LINE1

BUFFER AMP

µ COM

TREBLE
INPUT SEL
BALANCE
VOLUME

for EQ AMP

LINE2 PB

LINE2 REC

MAIN IN

PRE OUT

BASS

PROTECTION

REMOTE
FRONT PANEL

for µ COM

SP A L CH

SP B L CH

English

+
B
–

+
A
–

SPEAKERS L CH

to POWER AMP
R CH

PHONES

21 En

Specifications
■ Tone control characteristics
+15
+12.5
+10

Response (dB)

+7.5
+5
+2.5
0
–2.5
–5
–7.5
–10
–12.5
–15
10

100

200

500

10k

20k

50k

100k

Frequency (Hz)

■ Total harmonic distortion

1
0.5

THD + N Ratio (%)

0.2
0.1
0.05

0.02
20kHz
0.01
20Hz
0.005
1kHz
0.002
0.001
2

22 En

10
Output (W)

100

■ Total harmonic distortion (PHONO)

10
5

THD + N Ratio (%)

2
1
0.5
0.2
0.1
0.05

20Hz

1kHz

20kHz

0.02
0.01
0.005
0.002
0.001
0.0005
0.0002
0.0001
100µ

200µ

500µ

10m

20m

50m

100m

200m

500m

Input (Vrms)

English

23 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 center.
Problem

Cause

Remedy

See
page

The AC power cable is not connected to
the AC IN inlet on the rear panel or not
plugged in the AC wall outlet.

Connect the AC power cable firmly.

The protection circuitry has been activated
because of a short circuit, etc.

Check that the speaker wires are not touching each
other or shorting out against the rear panel of this
unit, and then turn the power of this unit back on.

This unit has been exposed to a strong
external electric shock (such as lightning
or strong static electricity).

Turn off this unit, disconnect the AC power cable,
plug it back in after 30 seconds, and then use it
normally.

—

The protection circuitry has been activated
because of a short circuit, etc.

Check that the speaker wires are not touching each
other or shorting out against the rear panel of this
unit, and then turn the power of this unit back on.

There is a problem with the internal
circuitries of this unit.

Disconnect the AC power cable and contact the
nearest authorized Yamaha dealer or service center.

—

The INPUT indicator
on the front panel
flashes and the
volume is turned
down when you turn
on this unit.

The protection circuitry has been activated
because of a short circuit, etc.

Check that the speaker wires are not touching each
other or shorting out against the rear panel of this
unit, and then turn the power of this unit back on.

No sound.

Incorrect input or output cable
connections.

Connect the cables properly. If the problem persists,
the cables may be defective.

No appropriate input source has been
selected.

Select an appropriate input source with the INPUT
selector on the front panel (or one of the input
selector buttons on the remote control).

—

The SPEAKERS switch is not set
properly.

Switch the SPEAKERS switch to the appropriate
position.

—

Speaker connections are not secure.

Secure the connections.

The sound suddenly
goes off.

The protection circuitry has been activated
because of a short circuit, etc.

Check that the speaker wires are not touching each
other or shorting out against the rear panel of this
unit, and then turn the power of this unit back on.

Only the speaker on
one side can be
heard.

Incorrect cable connections.

Connect the cables properly. If the problem persists,
the cables may be defective.

Incorrect setting for the BALANCE
control.

Set the BALANCE control to the appropriate
position.

—

There is a lack of bass
and no ambience.

The + and – wires are connected in
reverse at the amplifier or the speakers.

Connect the speaker wires to the correct + and –
phase.

A “humming” sound
is heard.

Incorrect cable connections.

Connect the audio cable plugs firmly. If the problem
persists, the cables may be defective.

No connection from the turntable to the
GND terminal.

Connect the turntable to the GND terminal of this
unit.

This unit fails to turn
on.

The POWER indicator
on the front panel
flashes.

24 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 the
headphones
connected to the CD
player connected to
this unit.

The power of this unit is turned off.

Turn on the power of this unit.

The remote control
does not work or
function properly.

Wrong distance or angle.

—

The remote control functions within a maximum
range of 6 m (20 ft) and no more than 30 degrees offaxis from the front panel.

Direct sunlight or lighting (from an
inverter type of fluorescent lamp, etc.) is
striking the remote control sensor of this
unit.

Reposition this unit.

The batteries are weak.

Replace all batteries.

—

Taking care of this unit
When you wipe this unit, do not use chemical solvents
(ex. alcohol or thinner etc.); this might damage the
finish. Use a clean, dry cloth. For heavy dirt, dampen a
soft cloth in detergent diluted with the water, wring it
out, and then clean this unit up with the cloth.
The screws on the side panels may loosen as wood
expands and contracts. In this case, tighten the screws.

English

25 En

BLACK
DIC 2181s*

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 AMBROISE CROIZAT BP70 CROISSY-BEAUBOURG 77312 MARNE-LA-VALLEE CEDEX02, FRANCE
YAMAHA ELECTRONICS (UK) LTD. YAMAHA HOUSE, 200 RICKMANSWORTH ROAD WATFORD, HERTS WD18 7GQ, ENGLAND
YAMAHA SCANDINAVIA A.B. J A WETTERGRENS GATA 1, BOX 30053, 400 43 VÄSTRA FRÖLUNDA, SWEDEN
YAMAHA MUSIC AUSTRALIA PTY, LTD. 17-33 MARKET ST., SOUTH MELBOURNE, 3205 VIC., AUSTRALIA

Printed in Malaysia

WM15590

UCAB

Stereo amplifier
Amplificateur Stéréo

SAFETY BROCHURE
BROCHURE SUR LA SECURITE

IMPORTANT SAFETY INSTRUCTIONS
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF
ELECTRIC SHOCK, DO NOT REMOVE
COVER (OR BACK). NO USER-SERVICEABLE
PARTS INSIDE. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.

1
2
3
4
5
6
7
8

• 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
persons.
The exclamation point within an equilateral triangle
is intended to alert you to the presence of important
operating and maintenance (servicing) instructions in
the literature accompanying the appliance.

IMPORTANT
Please record the serial number of this unit in the space
below.
MODEL:
Serial No.:
The serial number is located on the rear of the unit.
Retain this Owner’s Manual in a safe place for future
reference.
FOR CANADIAN CUSTOMERS
To prevent electric shock, match wide blade of plug to
wide slot and fully insert.
This Class B digital apparatus complies with Canadian
ICES-003.

11
12

13
14

Read these instructions.
Keep these instructions.
Heed all warnings.
Follow all instructions.
Do not use this apparatus near water.
Clean only with dry cloth.
Do not block any ventilation openings. Install in accordance
with the manufacturer’s instructions.
Do not install near any heat sources such as radiators, heat
registers, stoves, or other apparatus (including amplifiers)
that produce heat.
Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two blades with
one wider than the other. A grounding type plug has two
blades and a third grounding prong. The wide blade or the
third prong are provided for your safety. If the provided plug
does not fit into your outlet, consult an electrician for
replacement of the obsolete outlet.
Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacles, and the point
where they exit from the apparatus.
Only use attachments/accessories specified by the
manufacturer.
Use only with the cart, stand, tripod,
bracket, or table specified by the
manufacturer, or sold with the apparatus.
When a cart is used, use caution when
moving the cart/apparatus combination
to avoid injury from tip-over.
Unplug this apparatus during lightning storms or when
unused for long periods of time.
Refer all servicing to qualified service personnel. Servicing
is required when the apparatus has been damaged in any
way, such as power-supply cord or plug is damaged, liquid
has been spilled or objects have fallen into the apparatus, the
apparatus has been exposed to rain or moisture, does not
operate normally, or has been dropped.

We Want You Listening For A Lifetime
Yamaha and the Electronic Industries Association’s Consumer Electronics Group want you to get the most out of your
equipment by playing it at a safe level. One that lets the sound come through loud and clear without annoying blaring or
distortion – and, most importantly, without affecting your sensitive hearing. Since hearing damage from loud sounds is
often undetectable until it is too late, Yamaha and the Electronic Industries Association’s Consumer Electronics Group
recommend you to avoid prolonged exposure from excessive volume levels.

i En

1 IMPORTANT NOTICE: DO NOT MODIFY THIS
UNIT!
This product, when installed as indicated in the
instructions contained in this manual, meets FCC
requirements. Modifications not expressly approved by
Yamaha may void your authority, granted by the FCC, to
use the product.
2 IMPORTANT: When connecting this product to
accessories and/or another product use only high quality
shielded cables. Cable/s supplied with this product MUST
be used. Follow all installation instructions. Failure to
follow instructions could void your FCC authorization to
use this product in the USA.
3 NOTE: This product has been tested and found to comply
with the requirements listed in FCC Regulations, Part 15
for Class “B” digital devices. Compliance with these
requirements provides a reasonable level of assurance that
your use of this product in a residential environment will
not result in harmful interference with other electronic
devices.
This equipment generates/uses radio frequencies and, if
not installed and used according to the instructions found
in the users manual, may cause interference harmful to the
operation of other electronic devices.

■

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.

Note
The plug severed from the mains lead must be destroyed, as a plug
with bared flexible cord is hazardous if engaged in a live socket outlet.

Compliance with FCC regulations does not guarantee that
interference will not occur in all installations. If this
product is found to be the source of interference, which
can be determined by turning the unit “OFF” and “ON”,
please try to eliminate the problem by using one of the
following measures:
Relocate either this product or the device that is being
affected by the interference.
Utilize power outlets that are on different branch (circuit
breaker or fuse) circuits or install AC line filter/s.
In the case of radio or TV interference, relocate/reorient
the antenna. If the antenna lead-in is 300 ohm ribbon lead,
change the lead-in to coaxial type cable.
If these corrective measures do not produce satisfactory
results, please contact the local retailer authorized to
distribute this type of product. If you can not locate the
appropriate retailer, please contact Yamaha Electronics
Corp., U.S.A. 6660 Orangethorpe Ave., Buena Park, CA
90620.
The above statements apply ONLY to those products
distributed by Yamaha Corporation of America or its
subsidiaries.

■

Special Instructions for U.K. Model

IMPORTANT
THE WIRES IN MAINS LEAD ARE COLOURED IN
ACCORDANCE WITH THE FOLLOWING CODE:
Blue: NEUTRAL
Brown: LIVE
As the colours of the wires in the mains lead of this apparatus
may not correspond with the coloured markings identifying
the terminals in your plug, proceed as follows:
The wire which is coloured BLUE must be connected to the
terminal which is marked with the letter N or coloured
BLACK. The wire which is coloured BROWN must be
connected to the terminal which is marked with the letter L or
coloured RED.
Making sure that neither core is connected to the earth
terminal of the three pin plug.

ii En

English

FCC INFORMATION (for US customers)

Caution: Read this before operating your unit.
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 space of at least
30 cm on the top, 20 cm on the left and right, and 20 cm on
the back of this unit.
3 Locate this unit away from other electrical appliances, motors,
or transformers to avoid humming sounds.
4 Do not expose this unit to sudden temperature changes from
cold to hot, and do not locate this unit in an environment with
high humidity (i.e. a room with a humidifier) to prevent
condensation inside this unit, which may cause an electrical
shock, fire, damage to this unit, and/or personal injury.
5 Avoid installing this unit where foreign objects may fall onto
this unit and/or this unit may be exposed to liquid dripping or
splashing. On the top of this unit, do not place:
– Other components, as they may cause damage and/or
discoloration on the surface of this unit.
– Burning objects (i.e. candles), as they may cause fire,
damage to this unit, and/or personal injury.
– Containers with liquid in them, as they may fall and liquid
may cause electrical shock to the user and/or damage to
this unit.
6 Do not cover this unit with a newspaper, tablecloth, curtain,
etc. in order not to obstruct heat radiation. If the temperature
inside this unit rises, it may cause fire, damage to this unit,
and/or personal injury.
7 Do not plug in this unit to a wall outlet until all connections
are complete.
8 Do not operate this unit upside-down. It may overheat,
possibly causing damage.
9 Do not use force on switches, knobs and/or cords.
10 When disconnecting the power cable from the wall outlet,
grasp the plug; do not pull the cable.
11 Do not clean this unit with chemical solvents; this might
damage the finish.
12 Only voltage specified on this unit must be used. Using this
unit with a higher voltage than specified is dangerous and may
cause fire, damage to this unit, and/or personal injury. Yamaha
will not be held responsible for any damage resulting from use
of this unit with a voltage other than specified.
13 To prevent damage by lightning, keep the power cord
disconnected from a wall outlet or the unit during a lightning
storm.
14 Do not attempt to modify or fix this unit. Contact qualified
Yamaha service personnel when any service is needed. The
cabinet should never be opened for any reasons.
15 When not planning to use this unit for long periods of time (i.e.
vacation), disconnect the AC power plug from the wall outlet.
16 Install this unit near the AC outlet and where the AC power
plug can be reached easily.
17 Be sure to read the “Troubleshooting” section in the owner’s
manual on common operating errors before concluding that
this unit is faulty.
18 Before moving this unit, press POWER downward to turn off
this unit and then disconnect the AC power plug from the AC
wall outlet.

iii En

20
21

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
into the AC wall outlet. Voltages are:
................................AC 110/120/220/230–240 V, 50/60 Hz
The batteries shall not be exposed to excessive heat such as
sunshine, fire or like.
Excessive sound pressure from earphones and headphones
can cause hearing loss.

As long as this unit is connected to the AC wall outlet,
it is not disconnected from the AC power source even
if you turn off this unit by POWER.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN
OR MOISTURE.
This symbol mark is according to the
EU directive 2002/96/EC.
This symbol mark means that electrical
and electronic equipment, at their endof-life, should be disposed of separately
from your household waste.
Please act according to your local rules
and do not dispose of your old products
with your normal household waste.

■ Handling the remote control

• 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 remote control is not used for an
extended period of time.
• Do not use old batteries together with new ones.
• Do not use different types of batteries (such as alkaline and manganese
batteries) together. Read the packaging carefully as these different types of
batteries may have the same shape and color.
• If the batteries have leaked, dispose of them immediately. Avoid
touching the leaked material or letting it come into contact with
clothing, etc. Clean the battery compartment thoroughly before
installing new batteries.
• Do not throw away batteries with general house waste; dispose of
them correctly in accordance with your local regulations.

• The area between the remote control and this unit must be clear of
large obstacles.
• Do not spill water or other liquids on the remote control.
• Do not drop the remote control.
• Do not leave or store the remote control in the following types of
conditions:
– places of high humidity, such as near a bath
– places of high temperature, such as near a heater or a stove
– places of extremely low temperatures
– dusty places
• Do not expose the remote control sensor to strong lighting, in
particular, an inverter type fluorescent lamp; otherwise, the remote
control may not work properly. If necessary, position this unit away
from direct lighting.

Limited Guarantee for European Economic Area (EEA) and Switzerland
Thank you for having chosen a Yamaha product. In the unlikely event that your Yamaha product needs guarantee service, please contact the dealer from
whom it was purchased. If you experience any difficulty, please contact Yamaha representative office in your country. You can find full details on our
website (http://www.yamaha-hifi.com/ or http://www.yamaha-uk.com/ for U.K. resident).
The product is guaranteed to be free from defects in workmanship or materials for a period of two years from the date of the original purchase. Yamaha
undertakes, subject to the conditions listed below, to have the faulty product or any part(s) repaired, or replaced at Yamaha’s discretion, without any charge
for parts or labour. Yamaha reserves the right to replace a product with that of a similar kind and/or value and condition, where a model has been
discontinued or is considered uneconomic to repair.
Conditions

1. The original invoice or sales receipt (showing date of purchase, product code and dealer’s name) MUST accompany the defective product, along with a
2.
3.
4.

5.
6.
7.
8.

statement detailing the fault. In the absence of this clear proof of purchase, Yamaha reserves the right to refuse to provide free of charge service and the
product may be returned at the customer’s expense.
The product MUST have been purchased from an AUTHORISED Yamaha dealer within the European Economic Area (EEA) or Switzerland.
The product must not have been the subject of any modifications or alterations, unless authorised in writing by Yamaha.
The following are excluded from this guarantee:
a. Periodic maintenance and repair or replacement of parts due to normal wear and tear.
b. Damage resulting from:
(1) Repairs performed by the customer himself or by an unauthorised third party.
(2) Inadequate packaging or mishandling, when the product is in transit from the customer. Please note that it is the customer’s responsibility to
ensure the product is adequately packaged when returning the product for repair.
(3) Misuse, including but not limited to (a) failure to use the product for its normal purpose or in accordance with Yamaha’s instructions on the proper
use, maintenance and storage, and (b) installation or use of the product in a manner inconsistent with the technical or safety standards in force in
the country where it is used.
(4) Accidents, lightning, water, fire, improper ventilation, battery leakage or any cause beyond Yamaha’s control.
(5) Defects of the system into which this product is incorporated and/or incompatibility with third party products.
(6) Use of a product imported into the EEA and/or Switzerland, not by Yamaha, where that product does not conform to the technical or safety
standards of the country of use and/or to the standard specification of a product sold by Yamaha in the EEA and/or Switzerland.
(7) Non AV (Audio Visual) related products.
(Products subject to “Yamaha AV Guarantee Statement” are defined in our website at http://www.yamaha-hifi.com/ or
http://www.yamaha-uk.com/ for U.K. resident.)
Where the guarantee differs between the country of purchase and the country of use of the product, the guarantee of the country of use shall apply.
Yamaha may not be held responsible for any losses or damages, whether direct, consequential or otherwise, save for the repair or replacement of the
product.
Please backup any custom settings or data, as Yamaha may not be held responsible for any alteration or loss to such settings or data.
This guarantee does not affect the consumer’s statutory rights under applicable national laws in force or the consumer’s rights against the dealer arising
from their sales/purchase contract.

iv En

English

■ Notes on batteries

© 2007
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 AMBROISE CROIZAT BP70 CROISSY-BEAUBOURG 77312 MARNE-LA-VALLEE CEDEX02, FRANCE
YAMAHA ELECTRONICS (UK) LTD. YAMAHA HOUSE, 200 RICKMANSWORTH ROAD WATFORD, HERTS WD18 7GQ, ENGLAND
YAMAHA SCANDINAVIA A.B. J A WETTERGRENS GATA 1, BOX 30053, 400 43 VÄSTRA FRÖLUNDA, SWEDEN
YAMAHA MUSIC AUSTRALIA PTY, LTD. 17-33 MARKET ST., SOUTH MELBOURNE, 3205 VIC., AUSTRALIA

Printed in Malaysia

WM15640

A-S2000_CD-S2000_Flyer.fm Page 1

Friday, September 21, 2007

4:20 PM

A-S2000/CD-S2000

Note on transport tape

English

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.

Remarque sur le ruban adhésif

Deutsch

Bei Versand ab Werk sind die Magnetfüße mit Transportband an
den Füßen des Geräts befestigt. Entfernen Sie das
Transportband vor der Aufstellung des Geräts.

Anmärkning angående transporttejp

Svenska

Magnetfötterna fixeras med transporttejp på förstärkarens fötter
före leverans från fabriken. Avlägsna transporttejpen före
placering av förstärkaren.

Note sul nastro adesivo per il trasporto

Italiano

Al momento della spedizione dalla fabbrica, i piedini magnetici
vengono fissati al loro posto con nastro adesivo per il trasporto ai
piedini di questa unità. Prima di installare questa unità, non
dimenticare di togliere il nastro adesivo per il trasporto.

Nota acerca de la cinta de transporte

In de fabriek zijn de magnetische voetjes met plakband
vastgezet aan de voetjes van het toestel. Verwijder dit plakband
voor u het toestel neerzet.

Français

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.

Hinweis zum Transportband

Opmerking over het plakband voor het vervoer
Nederlands

Español

Примечание по транспортировочной ленте
Русский
При отгрузке с завода-изготовителя, с помощью
транспортировочной ленты, к ножкам данного аппарата
прикрепляются магнитные ножки. Перед размещением
данного аппарата, снимите транспортировочную ленту.

᧿᧢‫ࣽފ‬ᕘ৙ሇ༉ଐЀᲇ

ϔಞ

ՠ؅೎ƥዐѱᕫ៿᧿᧢‫ࣽފ‬ᅶሇᕘ৙‫ޗࣽފ‬ലസκˊ‫ޗ‬ᡷᒳϥ
֏ƥ᢭‫ؚ‬ᰑ᧿᧢‫ࣽފ‬ᅶሇᕘ৙ˊ

운송 테이프에 대한 주의사항

한국어

본 기기 발판에는 마그넷 피트가 있는 운송 테이프가 부착되어
있습니다 . 본 기기를 설치하기 전에 운송 테이프를 제거하십시
오.

輸送用テープの取り外し

日本語

工場出荷時には、スパイクカバーが本機の脚に輸送用テープで
固定されています。設置される前に、輸送用テープを取り外し
てください。

Al salir la unidad de la fabrica, las patas magnéticas están
fijadas con cinta de transporte a las patas de esta unidad. Quite
la cinta de transporte anes de instalar esta unidad.

WN46980

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Yamaha 01EN_A S2000_UCAB A S2000 Owners Manual

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