Natural Sound Stereo Integrated Amplifier
100W + 100W (8Ω) RMS Output Power, 0.015% THD, 20–20,000 Hz <AX-590>
85W + 85W (8Ω) RMS Output Power, 0.019% THD, 20–20,000 Hz <AX-490>
High Dynamic Power, Low Impedance Drive Capability
Continuously Variable Loudness Control
CD DIRECT AMP Switch to Reproduce the Purest CD Sound
PURE DIRECT Switch to Reproduce the Purest Source Sound
SUBSONIC FILTER Switch to Cut Out Undesirable
Ultra-Low-Frequency Signals
<For AX-590 only>
PRE OUT/MAIN IN Terminals Useful for Connecting An Equalizer,
Sound Processor, etc.
<For AX-590 only>
Remote Control Capability
Thank you for selecting this YAMAHA stereo integrated amplifier.
CONTENTS
Safety Instructions ................... 2
Supplied Accessories .............. 3
Connections ............................. 4
Operations ............................... 7
Remote Control Transmitter ... 11
Notes about the Remote
Control Transmitter ................. 12
Troubleshooting ...................... 13
Specifications ......................... 14
AX-590/490
IMPORTANT!
Please record the serial number of this
unit in the space below.
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.
WARNING
TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK, DO NOT EXPOSE
THIS UNIT TO RAIN OR MOISTURE.
RISK OF ELECTRIC
SHOCK
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.
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.
•
Explanation of Graphical Symbols
CAUTION
OWNER’S MANUAL
1 Read Instructions – All the safety and operating
instructions should be read before the unit is operated.
2 Retain Instructions – The safety and operating instructions
should be retained for future reference.
3 Heed Warnings – All warnings on the unit and in the
operating instructions should be adhered to.
4 Follow Instructions – All operating and other instructions
should be followed.
5 Water and Moisture – The unit should not be used near
water – for example, near a bathtub, washbowl, kitchen
sink, laundry tub, in a wet basement, or near a swimming
pool, etc.
6 Carts and Stands – The unit should be used only with a
cart or stand that is recommended by the manufacturer.
6A A unit and cart combination should
be moved with care. Quick stops,
excessive force, and uneven
surfaces may cause the unit and
cart combination to overturn.
7 Wall or Ceiling Mounting – The unit should be mounted to
a wall or ceiling only as recommended by the
manufacturer.
8 Ventilation – The unit should be situated so that its
location or position does not interfere with its proper
ventilation. For example, the unit should not be situated
on a bed, sofa, rug, or similar surface, that may block the
ventilation openings; or placed in a built-in installation,
such as a bookcase or cabinet that may impede the flow
of air through the ventilation openings.
9 Heat – The unit should be situated away from heat
sources such as radiators, stoves, or other appliances that
produce heat.
10 Power Sources – The unit should be connected to a power
supply only of the type described in the operating
instructions or as marked on the unit.
11 Power-Cord Protection – Power-supply cords should be
routed so that they are not likely to be walked on or
pinched by items placed upon or against them, paying
particular attention to cords at plugs, convenience
receptacles, and the point where they exit from the unit.
12 Cleaning – The unit should be cleaned only as
recommended by the manufacturer.
13 Nonuse Periods – The power cord of the unit should be
unplugged from the outlet when left unused for a long
period of time.
14 Object and Liquid Entry – Care should be taken so that
objects do not fall into and liquids are not spilled into the
inside of the unit.
15 Damage Requiring Service – The unit should be serviced
by qualified service personnel when:
A. The power-supply cord or the plug has been
damaged; or
B. Objects have fallen, or liquid has been spilled into the
unit; or
C. The unit has been exposed to rain; or
D. The unit does not appear to operate normally or
exhibits a marked change in performance; or
E. The unit has been dropped, or the cabinet damaged.
16 Servicing – The user should not attempt to service the unit
beyond those means described in the operating
instructions. All other servicing should be referred to
qualified service personnel.
17 Power Lines – An outdoor antenna should be located
away from power lines.
18 Grounding or Polarization – Precautions should be taken
so that the grounding or polarization is not defeated.
Caution: Read this before operating your unit
2
SAFETY INSTRUCTIONS
1 To assure the finest performance, please read this
manual carefully. Keep it in a safe place for future
reference.
2 Install this unit in a cool, dry, clean place – away from
windows, heat sources, sources of excessive vibration,
dust, moisture and cold. Avoid sources of humming
(transformers, motors). To prevent fire or electrical
shock, do not expose the unit to rain and water.
3 Do not operate the unit upside-down. It may overheat,
possibly causing damage.
4 Never open the cabinet. If something drops into the set,
contact your dealer.
5 Do not use force on switches, controls or connection
wires. When moving the unit, first disconnect the power
plug and the wires connected to other equipment.
Never pull the wires themselves.
6 Do not attempt to clean the unit with chemical solvents;
this might damage the finish. Use a clean, dry cloth.
7 Always set the VOLUME control to “– ∞” before starting
the audio source play: increase the volume gradually to
an appropriate level after the play back has been
started.
8 To prevent lightning damage, pull out the power cord
and remove the antenna cable during an electrical
storm.
9 When not planning to use this unit for long periods
of time (ie., vacation, etc.), disconnect the AC power
plug from the wall outlet.
10 Be sure to read the “TROUBLESHOOTING” section
regarding common operating errors before concluding
that the unit is faulty.
11 AC outlets
Do not connect audio equipment to the AC outlets on
the rear panel if that equipment requires more power
than the outlets are rated to provide.
FCC INFORMATION
3
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.
We Want You Listening For A Lifetime
SUPPLIED ACCESSORIES
After unpacking, check that the following parts are contained.
●
Remote Control Transmitter
●
Batteries (size AA, R6, UM-3)
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.
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.
4
CONNECTIONS
●
Before attempting to make any connections to or from this unit, be sure to first switch OFF the power to this unit and to any other
components to which connections are being made.
●
When making connections between this unit and other components, be sure all connections are made correctly, that is to say L
(left) to L, R (right) to R, “+” to “+” and “–” to “–”. Also, refer to the owner’s manual for each component to be connected to this
unit.
AX-590
: Refer to “ABOUT THE OTHER REAR PANEL PARTS” on page 6.
PHONO
CD
TAPE 1
TAPE
PB
REC
OUT
A OR B:6
Ω
MIN./SPEAKER
A B:l2
Ω
MIN./SPEAKER
COUPLER
SPEAKERS
A
B
TUNER TAPE 2
TAPE
PB
REC
OUT
AUX
GND
PRE
OUT
MAIN
IN
MM
/
MC
OUTPUT
GND
AUDIO OUT
LINE OUT
LINE IN
OUTPUT
LINE IN
LINE OUT
OUTPUT
REMOTE
CONTROL
PHONO
AC OUTLETS
SWITCHED
l00W MAX. TOTAL
l20V 60Hz
Compact disc player
Tuner Tape deck 1 Video cassette player,
LD player, etc.
Speakers B
To AC outlet
Right Left
Right Left
Turntable Tape deck 2 Speakers A
PHONO (MM/MC) switch
Select either MM or MC position depending on your PHONO cartridge,
Moving Magnet or Moving Coil type. However, if you use a high output MC
cartridge, select MM position.
To select the MC position, press this switch so that it is held inward. To
select the MM position, press this switch so that it is released outward.
AX-590 only
MM
/
MC
5
AX-490
: Refer to “ABOUT THE OTHER REAR PANEL PARTS” on page 6.
PHONO
CD
TAPE 1
TAPE
PB
REC
OUT
A OR B:6
Ω
MIN./SPEAKER
A B:l2
Ω
MIN./SPEAKER
SPEAKERS
A
B
MAINS
TUNER
TAPE 2
TAPE
PB
REC
OUT
AUX
GND
REMOTE
CONTROL
PHONO
LINE OUT
LINE IN
LINE OUT
LINE IN
OUTPUT
OUTPUT
OUTPUT
AUDIO OUT
GND
AC OUTLETS
SWITCHED
l00W MAX. TOTAL
l20V 60Hz
Compact disc player Tuner Tape deck 1
Video cassette player,
LD player, etc.
To AC outlet
(U.S.A. model)
Speakers BTape deck 2Turntable
Right Left
Right Left
Speakers A
AC OUTLETS (SWITCHED)
(U.S.A., Canada, Europe and General models)
............................................................3 SWITCHED OUTLETS
(U.K. and Australia models)..................1 SWITCHED OUTLET
Use these to connect the power cords from your components
to this unit.
The power to the SWITCHED outlets is controlled by this unit’s
POWER switch or the provided remote control transmitter’s
POWER key. These outlets will supply power to any
component whenever this unit is turned on.
The maximum power (total power consumption of
components) that can be connected to the SWITCHED AC
OUTLETS is 100 watts.
6
Connect the SPEAKERS terminals to your speakers with wire
of the proper gauge, cut as short as possible. If the
connections are faulty, no sound will be heard from the
speakers. Make sure that the polarity of the speaker wires is
correct, that is, + and – markings are observed. If these wires
are reversed, the sound will be unnatural and will lack bass.
Do not let the bare speaker wires touch each other and do
not let them touch the metal parts of this unit as this could
damage this unit and/or speakers.
How to Connect:
Red: positive (+)
Black: negative (–)
➀
Unscrew the knob.
➁
Insert the bare wire.
[Remove approx. 5mm
(1/4”) insulation from
the speaker wires.]
➂
Tighten the knob and
secure the wire.
●
One or two speaker systems can be connected to this unit.
If you connect only one speaker system, connect it to either
the SPEAKERS A or B terminals.
●
Use speakers with the specified impedance shown on the
rear of this unit.
●
<U.S.A., Canada and General models only>
Banana Plug connections are also possible. Simply insert
the Banana Plug connector into the corresponding terminal.
CONNECTING SPEAKERS
ABOUT THE OTHER REAR PANEL PARTS
REMOTE CONTROL (PHONO) connector
If you have a YAMAHA turntable with a terminal for remote
control, connect it to this connector by using the cable provided
with the turntable. This connection allows you to control the
turntable from the provided remote control transmitter.
GND terminal (For turntable use)
Connecting the ground wire of the turntable to this terminal will
normally minimize hum, but in some cases better results may
be obtained with the ground wire disconnected.
PRE OUT/MAIN IN terminals
Removing the jumper pins enables this unit to independently
perform the functions of a control amplifier and a power
amplifier. These terminals are for connection of a signal-
processing system such as a graphic equalizer or sound
processor.
If a sound processor or other external unit is connected
between these terminals, the VOLUME control of this unit can
be used for overall adjustment of the level of sound.
To connect such a unit, remove the jumper pins from the PRE
OUT/MAIN IN terminals, connect the inputs of that unit to the
PRE OUT terminals and its outputs to the MAIN IN terminals.
For details, refer to the owner’s manual included with the unit
to be connected.
Notes
●
If you will not use the PRE OUT/MAIN IN terminals, never
remove the jumper pins from these terminals. If removed,
no sound will be output from this unit.
●
If you will use this unit with an external unit connected
between the PRE OUT and MAIN IN terminals, make sure
that the CD DIRECT AMP switch and the PURE DIRECT
switch on the front panel are turned off.
●
If you will use this unit as a power amplifier, connect the
outputs of an external control amplifier etc. to this unit’s
MAIN IN terminals. In that case, this unit’s controls will not
function except the PHONES jack and the SPEAKERS
switches, so use the controls on the external control
amplifier to make volume adjustment etc.
1
2
3
PRE
OUT
MAIN
IN
COUPLER
AX-590 only
7
1, 6
OPERATIONS
TO PLAY A SOURCE
1
Set to the “
∞
” position.
2
Turn the power on.
3
Select a desired input source.
*
If you select turntable as an input source (PHONO
position), you should confirm that the PHONO (MM/MC)
switch on the rear panel is set to the position
corresponding to the type of cartridge being used by the
turntable. (Refer to page 4.)
4
Select the speakers to be used.
*
If you use two speaker systems, press both the A and B
switches.
5
Play the source.
6
Adjust to the desired output level.
7
If desired, adjust the BASS, TREBLE, BALANCE and
LOUDNESS controls, etc. (Refer to page 9–10.)
To turn off the power
Press the POWER switch again.
AX-590
AX-490
1, 6
7
7
374
2
2
4 7 3
VOLUME
l6
l8
20
24
28
34
40
50
60
70
l4
l2
l0
8
6
4
3
2
l
0
–dB
POWER
INPUT
AUX
TAPE 2
TAPE 1
CD
TUNER
PHONO
SPEAKERS
A
B
ON
OFF
ON
OFF
VOLUME
l6
l8
20
24
28
34
40
50
60
70
l4
l2
l0
8
6
4
3
2
l
0
–dB
AX-590 only
8
TO RECORD A SOURCE TO TAPE (OR DUB FROM A TAPE TO ANOTHER)
1
Select the source to be recorded.
2 Play the source.
3 Confirm the source by selecting it with the INPUT
selector and turning up the VOLUME control.
4 Set the tape deck to be used for recording in the
recording mode.
5 To monitor the sound to be recorded (or being
recorded), select the tape deck being used for
recording with the INPUT selector.
Notes
●
If you want to enjoy another source while recording, select it
with the INPUT selector.
●
VOLUME, BASS, TREBLE, BALANCE, LOUDNESS
controls, CD DIRECT AMP switch and PURE DIRECT
switch settings have no effect on the material being
recorded.
AX-590
AX-590
AX-490
AX-490
3
1
3, 5
3
1
3, 5
REC OUT
AUX
TEAP 2
TAPE 1
CD
PHONO
TUNER
REC OUT
AUX
TAPE 2
TAPE 1
CD
TUNER
PHONO
INPUT
AUX
TAPE 2
TAPE 1
CD
TUNER
PHONO
VOLUME
l6
l8
20
24
28
34
40
50
60
70
l4
l2
l0
8
6
4
3
2
l
0
–dB
INPUT
AUX
TAPE 2
TAPE 1
CD
TUNER
PHONO
9
Adjusting the BASS and TREBLE
controls
Adjusting the BALANCE control Selecting the SPEAKER system
Adjust the balance of the output volume to the left and right
speakers to compensate for sound imbalance caused from
speaker location or listening room conditions.
Because one or two speaker systems can be connected to this
unit, the SPEAKERS switches allow you to select speaker
system A or B, or both at once.
BASS : Turn this clockwise to increase (or counter-
clockwise to decrease) the low frequency
response.
TREBLE : Turn this clockwise to increase (or counter-
clockwise to decrease) the high frequency
response.
Adjusting the continuously variable
LOUDNESS control
This control provides compensation for the human ears’ loss of
sensitivity to high and low-frequency ranges at low volume.
This control is adjustable to retain full tonal range at any
volume level.
1
Set to the “FLAT” position.
2
Set to the loudest listening
level that you would listen
to.
3
Turn until the desired
volume is gained.
AX-590
AX-490
AX-590
AX-590 AX-490
AX-590 AX-490
AX-490
BALANCE
55
4
3
2
l
0
l
2
3
4
L
R
BASS
55
4
3
2
l
0
l
2
3
4
TREBLE
55
4
3
2
l
0
l
2
3
4
BASS
55
4
3
2
l
0
l
2
3
4
TREBLE
55
4
3
2
l
0
l
2
3
4
BALANCE
55
4
3
2
l
0
l
2
3
4
LR
SPEAKERS
A
B
ON
OFF
ON
OFF
LOUDNESS
57
4
3
2
l
FLAT
l0
9
8
6
30 dB
LOUDNESS
57
4
3
2
l
FLAT
l0
9
8
6
30 dB
LOUDNESS
57
4
3
2
l
FLAT
l0
9
8
6
30 dB
LOUDNESS
57
4
3
2
l
FLAT
l0
9
8
6
30 dB
VOLUME
l6
l8
20
24
28
34
40
50
60
70
l4
l2
l0
8
6
4
3
2
l
0
–dB
10
Setting the SUBSONIC FILTER switch
When you listen with headphones
Connect the headphones to the PHONES jack. When listening
with headphones privately, set both the SPEAKERS A and B
switches to the OFF position.
Open/close the control door
When it is not necessary to operate controls inside the control
door, close the door.
To close the door
To open the door
Using the PURE DIRECT switch
You can enjoy the purest possible sound from your audio
sources by setting this switch so that the indicator illuminates.
By doing so, the audio signals bypass the BASS, TREBLE,
BALANCE and LOUDNESS controls, thus eliminating any
alterations to the audio signals.
*
The SUBSONIC FILTER switch and the PRE OUT/MAIN
IN terminals are also bypassed.
You can enjoy the purest possible CD sound from your CD
player by setting this switch so that the indicator illuminates.
By doing so, CD’s input signals are sent to the built-in amplifier
special for CD directly bypassing the INPUT selector, BASS,
TREBLE, BALANCE and LOUDNESS controls, and then sent
to the power amplifier. This signal routing reproduces the
purest CD sound eliminating any alterations to the CD signals.
*
The SUBSONIC FILTER switch and the PRE OUT/MAIN
IN terminals are also bypassed.
Note
If both the CD DIRECT and PURE DIRECT switches are on,
only the CD DIRECT switch will function.
If you set this switch to “ON” position, undesirable ultra-low-
frequency signals caused by turntable rumble or warped
records can be cut out without losing sound quality.
Using the CD DIRECT AMP switch
AX-590 only
AX-590 only
AX-590 only
CD DIRECT
AMP
PURE
DIRECT
SUBSONIC
FILTER
ON
OFF
PHONES
AX-590 only
11
REMOTE CONTROL TRANSMITTER
The remote control transmitter provided with this unit is designed to control all the most commonly used functions of the unit. If the
CD player, tuner, turntable and tape deck connected to this unit are YAMAHA components designed for remote control compatibility,
then this remote control transmitter will also control various functions of each component.
KEY FUNCTIONS
For Control of This Unit
For Other Component Control
Identify the remote control transmitter keys with your component’s keys. If these keys are identical, their function will be the
same. On each key function, refer to the corresponding instruction on your component’s manual.
POWER
PLAY/CUT
PHONO
SKIP PLAY CD
SEARCH PAUSE/STOP DISC SKIP
—
+
A/B/C/D/E
TUNER
DIR A
DECK A/B
DIR B TAPE 1
TAPE 2
REC/PAUSE
STOP
REC MUTE
AUX
VOLUME
—
+
PRESET
PLAY
POWER
PLAY/CUT
PHONO
SKIP PLAY CD
SEARCH PAUSE/STOP DISC SKIP
—
+
A/B/C/D/E
TUNER
DIR A
DECK A/B
DIR B TAPE 1
TAPE 2
REC/PAUSE
STOP
REC MUTE
AUX
VOLUME
—
+
PRESET
PLAY
Turns the power on/off.
Selects input source.
Turns the volume level up/down.
Starts/stops record play on turntable.
Controls compact disc player.
* DISC SKIP is applicable only to
compact disc changer.
Controls tuner
+: Selects higher preset station
number.
–: Selects lower preset station
number.
A/B/C/D/E: Selects the page (A – E)
of preset stations.
Controls tape deck.
* DIR A, B and DECK A/B are
applicable only to double cassette
tape deck.
* For a single cassette deck with
automatic reverse function,
pressing DIR A will reverse the
direction of tape running.
• •
12
NOTES ABOUT THE REMOTE CONTROL TRANSMITTER
Battery installation
Battery replacement
If you find that the remote control transmitter must be used
closer to the main unit, the batteries are weak. Replace both
batteries with new ones.
Notes
●
Use only AA, R6, UM-3 batteries for replacement.
●
Be sure the polarities are correct. (See the illustration inside
the battery compartment.)
●
Remove the batteries if the remote control transmitter will
not be used for an extended period of time.
●
If batteries leak, dispose of them immediately. Avoid
touching the leaked material or letting it come in contact with
clothing, etc. Clean the battery compartment thoroughly
before installing new batteries.
Remote control transmitter operation range
Notes
●
There should be no large obstacles between the remote
control transmitter and the main unit.
●
If the remote control sensor is directly illuminated by strong
lighting (especially an inverter type of fluorescent lamp etc.),
it might cause the remote control transmitter not to work
correctly. In this case, reposition the main unit to avoid
direct lighting.
STANDBY mode
(U.K. and Europe models only)
While the power is on, pressing the POWER key on the remote
control transmitter switches the unit to the STANDBY mode.
(In this mode, the indicator is half illuminated.)
Note
The POWER switch on the front panel of this unit should
be turned off when left unused for a long period of time.
POWER POWER
POWER on mode STANDBY mode
2
3
1
30°
30°
AX-590 AX-490
Remote control sensor
Within approximately
6 m (19.7 feet)
13
SYMPTOM
The unit fails to turn on when the POWER
switch is pressed.
No sound.
The sound suddenly goes off.
Only one side speaker outputs the sound.
There is a lack of bass, and no ambience.
Sound “hums”.
Sound level is low.
Sound level is low or sound is distorted
while playing a record on the turntable.
(For AX-590 only)
The INPUT selector will not function
though it is turned.
Using the BASS, TREBLE, BALANCE,
LOUDNESS controls and SUBSONIC
FILTER switch (AX-590 only) does not
affect the tone.
The remote control transmitter does not
work.
The distance or range within which the
remote control transmitter can be used
decreases.
CAUSE
Power cord is not plugged in or is not
completely inserted.
Incorrect output cord connections.
Appropriate input source is not selected.
The SPEAKERS switches are not set
properly.
Speaker connections are not secure.
The protection circuit has functioned because
of short circuit etc.
Incorrect setting of the BALANCE control.
Incorrect cord connections.
The + and – wires are connected in reverse
at the amplifier or speakers.
Incorrect cord connections.
No connection from the turntable to the GND
terminal.
The LOUDNESS control is functioning.
The PHONO (MM/MC) switch on the rear of
this unit is set to the improper position.
The CD DIRECT AMP switch is ON.
The CD DIRECT AMP or PURE DIRECT
switch is ON.
Direct sunlight or lighting (of an inverter type
of flourescent lamp etc.) is striking the
remote control sensor of the main unit.
The batteries of this remote control
transmitter are too weak.
REMEDY
Firmly plug in the power cord.
Connect the cords properly. If the problem
persists, the cords may be defective.
Select an appropriate input source with the
INPUT selector.
Set the SPEAKERS switch which
corresponds to the speakers to be used to
the ON position.
Secure the connections.
Turning the unit off and then on will reset the
protection circuit.
Adjust it to the appropriate position.
Connect the cords properly. If the problem
persists, the cords may be defective.
Connect the speaker wires in the correct
phase (+ and –).
Firmly connect the audio plugs. If the
problem persists, the cords may be
defective.
Make the GND connection between the
turntable and this unit.
Set the LOUDNESS control to the FLAT
position.
Reset the PHONO (MM/MC) switch to the
proper position.
Switch off the CD DIRECT AMP switch.
The CD DIRECT AMP and PURE DIRECT
switches must be switched OFF to use those
controls.
Change position of the main unit.
Replace the batteries with new ones.
If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple
measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord and
contact your authorized YAMAHA dealer or service center for help.
TROUBLESHOOTING
14
SPECIFICATIONS
Minimum RMS Output Power per Channel
<AX-590>
8 ohms, 20 Hz to 20 kHz, 0.015% THD
...............................................100W+100W
6 ohms, 20 Hz to 20 kHz, 0.03% THD
...............................................120W+120W
<AX-490>
8 ohms, 20 Hz to 20 kHz, 0.019% THD
...................................................85W+85W
6 ohms, 20 Hz to 20 kHz, 0.038% THD
...............................................100W+100W
Dynamic Power per Channel
(by IHF Dynamic Headroom measuring
method)
<AX-590>
8/6/4/2 ohms.................140/170/220/290W
<AX-490>
8/6/4/2 ohms.................130/150/185/220W
DIN Standard Output Power per Channel
(4 ohms, 1 kHz, 0.7% THD)
[Europe model only]
<AX-590>.........................................150W
<AX-490>.........................................120W
IEC Power [Europe model only]
<AX-590>
(8 ohms, 1 kHz, 0.015% THD) ..........110W
<AX-490>
(8 ohms, 1 kHz, 0.019% THD) ..........100W
Power Band Width
<AX-590>
8 ohms, 50W, 0.03% THD
..........................................10 Hz to 50 kHz
<AX-490>
8 ohms, 42.5W, 0.038% THD
..........................................10 Hz to 50 kHz
Damping Factor
8 ohms, 20 Hz–20 kHz
<AX-590>...........................more than 320
<AX-490>...........................more than 240
Damping Factor (DIN)
4 ohms, 40 Hz
[Australia, U.K. and Europe models]
<AX-590>...........................more than 160
<AX-490>...........................more than 120
Maximum Power (EIAJ)
1 kHz, 10% THD
[General model only]
<AX-590>
8 ohms.................................................145W
6 ohms.................................................170W
<AX-490>
8 ohms.................................................130W
6 ohms.................................................150W
Input Sensitivity/Impedance
PHONO MM.....................2.5 mV/47 k-ohms
PHONO MC <AX-590 only>
..........................................160 µV/220 ohms
CD/TUNER/TAPE/AUX
....150 mV/47 k-ohms
MAIN IN <AX-590 only>......1.0V/10 k-ohms
Maximum Input Signal (1 kHz, 0.007% THD)
<AX-590>
PHONO MM...................................150 mV
PHONO MC......................................10 mV
Maximum Input Signal (1 kHz, 0.003% THD)
<AX-490>
PHONO MM...................................115 mV
Output Level/Impedance
<AX-590>
REC OUT ......................150 mV/470 ohms
PRE OUT.............................1.0V/1 k-ohms
<AX-490>
REC OUT ......................150 mV/470 ohms
Headphone Jack Rated Output/ Impedance
<AX-590>
Output Level (8 ohms, 0.015% THD)
..........................................................0.33V
Impedance..................................680 ohms
<AX-490>
Output Level (8 ohms, 0.019% THD)
............................................................0.3V
Impedance..................................680 ohms
Frequency Response (20 Hz to 20 kHz)
CD/TUNER/TAPE/AUX
....................0±0.5 dB
MAIN IN
<AX-590 only>.................0±0.5 dB
RIAA Equalization Deviation (20 Hz to 20 kHz)
PHONO MM......................................±0.3 dB
PHONO MC <AX-590 only>............±0.5 dB
Total Harmonic Distortion (20 Hz to 20 kHz)
<AX-590>
PHONO MM to REC OUT (3V) ......0.003%
PHONO MC to REC OUT (3V).......0.007%
CD/TUNER/TAPE/AUX
to PRE OUT (1V)
........................................................0.005%
CD/TUNER/TAPE/AUX
to SP OUT
(50W/8 ohms).................................0.008%
<AX-490>
PHONO MM to REC OUT (3V) ......0.003%
CD/TUNER/TAPE/AUX
to SP OUT
(42.5W/8 ohms)..............................0.008%
Intermodulation Distortion
(Rated output/8 ohms) ........................0.01%
Signal-to-Noise Ratio (IHF-A Network)
<AX-590>
PHONO MM (5 mV Input Shorted)
......................................................... 92 dB
PHONO MC (500 µV Input Shorted)
......................................................... 76 dB
CD/TUNER/TAPE/AUX
(Input Shorted)
(CD DIRECT AMP; ON)................. 110 dB
<AX-490>
PHONO MM (5 mV Input Shorted)
......................................................... 88 dB
CD/TUNER/TAPE/AUX
(Input Shorted)
(CD DIRECT AMP; ON)................. 110 dB
Residual Noise (IHF-A Network)
(CD DIRECT AMP; ON).......................35 µV
(PURE DIRECT; ON)...........................90 µV
Channel Separation (Vol. –30 dB)
<AX-590>
PHONO MM/MC (Input Shorted
1 kHz/10 kHz) .........................75 dB/60 dB
CD/TUNER/TAPE/AUX
(Input 5.1 k-ohms
Terminated 1 kHz/10 kHz)......65 dB/50 dB
<AX-490>
CD/TUNER/TAPE/AUX
(Input 5.1 k-ohms
Terminated 1 kHz/10 kHz)......65 dB/50 dB
Tone Control Characteristics
BASS: Boost/cut................±10 dB (20 Hz)
Turnover Frequency.........(350 Hz)
TREBLE: Boost/cut...........±10 dB (20 kHz)
Turnover Frequency.....(3.5 kHz)
Filter Characteristics <AX-590 only>
SUBSONIC FILTER .........15 Hz, –18 dB/oct
Continuous Loudness Control
Attenuation............................–30 dB (1 kHz)
(Level related equalization)
Gain Tracking Error (0 to –60 dB)............2 dB
Power Supply
[U.S.A. and Canada models]
..........................................AC 120V, 60 Hz
[Australia and U.K. models]
..........................................AC 240V, 50 Hz
[Europe model]..................AC 230V, 50 Hz
[General model]
................AC 110/120/220/240V, 50/60 Hz
Power Consumption
<AX-590>
[U.K., Europe, Australia and General
models]..............................................210W
<AX-490>
[U.S.A. model]...................................190W
[Canada model]...................320 VA, 250W
[U.K., Europe, Australia and General
models]..............................................210W
AC Outlets
[U.S.A., Canada, Europe and General
models]
3 SWITCHED OUTLETS
..........................................100W max. total
[U.K. and Australia models]
1 SWITCHED OUTLET ....100W max. total
Dimensions (W x H x D)
<AX-590>.................435 x 146 x 388.5 mm
(17-1/8” x 5-3/4” x 15-5/16”)
<AX-490>....................435 x 146 x 386 mm
(17-1/8” x 5-3/4” x 15-3/16”)
Weight
<AX-590>................10.4 kg (22 lbs. 14 oz.)
<AX-490>....................9.2 kg (20 lbs. 4 oz.)
Accessories...........Remote control transmitter
Batteries
Specifications subject to change without
notice.
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, D-25462 RELLINGEN BEI HAMBURG, F.R. OF 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 WD1 7JS, 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
VS 97850
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Yamaha AX-490 Руководство пользователя
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