Yamaha AX-700U Owner's manual

Yamaha AX-700U Owner's manual
CAUTION ..
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FRONT PANEL DESCRIPTION ......
OPERATIONS ...............—eeeeicenieeres
TROUBLESHOOTING ..................-
SPECIFICATIONS see
CONNECTION DIAGRAM .............
CONNECTIONS esse
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Retain this Owner’s Manual in a safe place for future reference.
s
the rear of the unit.
WARNING
To prevent fire or shock hazard, do not expose this appliance to rain
or moisture. |
RISK OF ELECTRIC SHOCK
00 NOT OPEN
CAUTION: TO REDUCE THE RISK OF
ELECTRIC SHOCK, DO NOT REMOVE
COYER (OR BACK). NO USER-SERVICEABLE
PARTS INSIDE. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL.
@ Explanation of graphical Symbols
The lightning flash with arrowhead
symbol, within an equilateral triangle
is intended to alert youto 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 isintendedto alert
you to the presence of important op-
erating and maintenance (servicing)
instructions in the literature accom-
panying the appliance.
1 Read Instructions — All the safety and oper-
ating instructions should be read before the
appliance is operated.
2 Retain Instructions — The safety and oper-
ating instructions should be retained for future
reference.
3 Heed Warnings — All warnings on the appli-
ance 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 appliance 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 appliance should
be used only with a cart or stand that is recom-
mended by the manufacturer.
7 Wall or Ceiling Mounting — The appliance
should be mounted to a wall or ceiling only as
recommended by the manufacturer.
O Ventilation — The appliance should be situ-
ated so that its location or position does not in-
terfere with its proper ventilation. For example,
the appliance should not be situated on a bed,
sofa, rug, or similar surface that may block the
ventilation openings; or placed ina built-in in-
stallation, such as a bookcase or cabinet that
may impede the flow of air through the venti-
lation openings.
9 Heat — The appliance should be situated
away from heat sources such as radiators,
stoves, or other appliances that produce heat.
1 0 Power Sources — The appliance should
be connected to a power supply only of the type
described in the operating instructions or as
marked on the appliance.
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 appliance.
1 2 Cleaning — The appliance should be
cleaned only as recommended by the man-
ufacturer. |
13 Nonuse Periods — The power cord of the
appliance should be unplugged from the outlet
when left unused for a long period of time.
14 Object and Liquid Entry — Care should be
taken sc that objects do not fall into and liquids
not spilled into the inside of the appliance.
1 5 Damage Requiring Service — The appli-
ance 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 appliance; or
C. The appliance has been exposed to rain; or
D. The appliance does not appear to operate
normally or exhibits a marked change in
performance; or |
E. The appliance has been dropped, or the ca-
binet damaged.
16 Servicing — The user should not attempt
to service the appliance beyond those means
described in the operating instructions. All other
servicing should be referred to qualified service
personnel.
17 Grounding or Polarization — The precau-
tions that should be taken so that the grounding
or polarization of an appliance is not defeated.
e CLEANING
Wipe off dust with a soft dry cloth. For heavier
dirt use a soft damp cloth then dry immediately
with a clean cloth. Do not use harsh cloths, al-
cohol or other chemical solvents as these pro-
ducts may damage the finish. |
® HANDLING |
Do not use force when using the switches and
knobs. When removing the power plug from the
wall outletalways pull directly on the plug, never
yank the cord. Before moving your amplifier
be sure to unplug the power cord and remove
all other connecting cables.
® CONVENIENCE OUTLETS
Do not connect audio equipment to the AC out-
lets on the rear panel if that equipment requires
more power than the outlets are rated to provide.
® TROUBLESHOOTING
Consult the Troubleshooting Chart for advice
on the common operating errors before con-
cluding that your unit is faulty.
® SERVICING
Do not open the cabinet or attempt to make re-
pairs by yourself as this may result in damage
"to the set or electrical shock to yourself. Refer
any servicing to your Yamaha dealer.
Turntable
(with MM or MC cartridge)
Compact disc piayer
Tape deck 1 LINE OUT/
PLAY
ELL Pra
u OUTPUT
OUTPUT
GROUND WIRE
e Before making any connections turn off all equipment. |
Be sure to connect the left (L) and right (R) channels consistently between components.
Speaker A
| LINE IN/REC
LINE OUT/PLAY
LINE IN/REC
LINE OUT/PLAY
LINE IN/REC
Tape deck 3
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Speaker B
Switched power can be sup-
plied to other components with
a combined power consump-
tion of up to 100W.
LL
Unswitched power can be
supplied to other components
with a power consumption of
up to 200W.
Connectto
an AC power outlet.
® CONNECTING THE SPEAKERS
Connect the cords for the left speakers to the L
terminals and the right speaker cords to the R
terminals, ensuring that the polarity (+ and
—) markings are observed. Be sure to do this
consistently from component to component. №
the polarity is reversed at either speaker the
sound will be unnatural and lack bass. Speaker
cords should be cut as short as possible. Avoid
coiling the wire on the floor or bundling it up
with cords from other system components.
The AX-700l) speaker terminals allow for two
connection methods. The first method outlined
usually provides a more secure connection.
1. Strip about 1cm (0.39in) of insulating material
from the ends of the speaker wires and twist
the strands of each end. Loosen the speaker
terminal knobs, insert the exposed wire into
the hole and then tighten the speaker terminal
Knobs.
~ | RED for (+) sign.
> BLACK for (—) sign.
2. Banana Chip connections are also possible.
Simply insertthe Banana Chip connector into
the corresponding terminal.
® CONNECTING A TURNTABLE
Connect the output cords of the turntable to the
PHONO jacks and connect the ground wire to the
GND terminal. Normally, connecting the ground
wire produces minimum hum but in some cases
better results are obtained with the ground wire
disconnected. The turntable component and its
output cords should be positioned well away
from sources of hum such as power cords or
power transformers of other system compo-
nents.
| ® CONNECTING A TUNER
Connect the cords from the tuner’s output jacks
to the TUNER jacks of the amplifier. Position the
tuner so that its AM antenna is well away from
the amplifier for the best possible reception.
© CONNECTING TO THE CD AND VIDEO/AUX
JACKS
Connect your CD component to the CD terminals
and the sound output leads of your video com-
ponentto the VIDEO/AUX terminals. Please note
that a turntable cannot be connected to these
jacks as they do not provide the necessary RIAA
equalization.
® CONNECTING TAPE DECKS
TAPE DECK 1.
Connect the cords from the tape deck’s Line In
jacks to the REC OUT jacks of TAPE 1, ensuring
that left and right are not reversed. Then connect
the cords from the tape deck’s Line Out jacks to
the TAPE 1 PB jacks.
TAPE DECK 2 and DAT can be connected in si-
milar fashion to the TAPE 2 and DAT terminals.
8 AC OUTLETS
For added convenience the AX- 700U provides
3 AC outlets. Two “switched” outlets (the power
to these receptacles is turned on and off by this
unit's power switch) and one “unswitched”
outlet (the power to this receptacle is inde-
pendent of this unit's power switch). Be sure not
to connect appliances totaling more than 200
watts to the unswitched outlet or more than 100
watts to the two switched outlets.
e ACCESSORY
The Accessory option allows you to connecta
signal processing system, such as an equalizer,
in the signal path prior to the Tone control.
Connect the ACCESSORY SEND jacks to the
inputs of the equalizer and-the ACCESSORY
RECEIVE jacks to the outputs of the equalizer.
AMPLIFIER AX—700
PHONES TREBLE
DEFEAT
я
O POWER SWITCH (POWER) |
Press once to turn the power ON and once again
to turn the power OFF. Before turning the power
ON set the volume to its lowest position (extreme
counterclockwise), to protect the speakers from
any sudden high leve: sound.
—TAPE 2 — TAPE 1 SS viIDEO/ax eS TUNER es CD
SUSSOÓNIC MODE
FILTER
OFF A STEREO
m DON
—
BALANCE LOUDNESS
FLAT
- A405
! 10
Absol Linear
High
Low Capability
£9) POWER INDICATOR
Lights when power is ON.
O SPEAKER SWITCHES (SPEAKERS)
As one or two speaker systems can be connected
to the AX-700U, these switches allow you to
select speaker system À, B or both at once. When
listening to the headphones only, press both the
A and B switches to the OFF position.
E MM
- MAC
REC OUT
TUNER
CD
PHONO
UY TONE BYPASSS CONTROL SWITCH
(TONE BYPASS)
Depress this switch to channel the input signal
directly to the output stage of your amplifier,
bypassing the Bass, and Treble controls there-
fore avoiding any “muddying” caused by switch
and circuit routing to provide a pure sound. Use
this switch to compare tone control settings with
the “flat” amplifier sound.
O INPUT SELECTOR KEYS
Selects the program source you wish to listen
to. The indicator LED above the selected source
will light up.
(& CD DIRECT SWITCH (CD DIRECT)
This switch allows you to route the CD input
signal directly to the output stage bypassing the
Input Selector, Accessory, Muting, Mode,
Loudness, and Balance controls therefore
avoiding any “muddying” caused by switch and
circuit routing to provide a pure sound.
EY MUTING SWITCH (MUTING)
This control allows you to lower the volume
temporarily without disturbing the original set-
ting. Pressing the switch lowers the volume by
20db and lights the LED indicator, pressing again
restores the normal volume setting.
& VOLUME CONTROL KNOB (VOLUME)
This controls the sound level. Turning clockwise
increases the sound volume and turning coun-
terclockwise decreases it. Set this knob to the
minimum level before turning the power ON or
using the Input Selector Keys to select a different
sound source, therefore protecting the speakers
from any sudden high level sound.
© REC OUT SELECTOR (REC OUT)
This switch selects the source to be channelled
to the rear panel REC OUT terminals inde-
pendent of the Input Selectors and permits tape
copying from TAPE 1 to 2/DAT or DAT to TAPE
1/2.
{) PHONO SELECTOR SWITCH (PHONO)
Selects either MM (moving magnet) or MC
(moving coil) position to match your cartridge.
® MODE SWITCH (MODE)
Permits switching between stereo and mono
operation. Normally this switch should be set
to the stereo position.
(> SUBSONIC FIITER CONTROL SWITCH
(SUBSONIC)
This switch cuts out ultra low frequency signals
caused by turntable rumble or warped records,
yet retains sound quality.
{5 LOUDNESS CONTROL KNOB (LOUDNESS)
This control provides compensation for the hu-
man ear's loss of sensitivity to high and low
frequency ranges at low volumes.
As the amount of the compensation required is
determined by the listening level, this control
provides the most accurate compensation for
any listening level. Setittothe flat position while
the volume control is set to your normal listening
level. Turning it counterclockwise will decrease
the volume while retaining the natural balance
of low and high frequencies.
VOLUME
—40dB 18 16 44
= ' |
LOUDNESS
1 FLAT
Set Loudness to the Flat
position and increase the
Volume to loudest level
“desired.
LOUDNESS
1 FLAT
,
Turn Loudness control
knob counterclockwise
to reduce the volume.
{D BALANCE CONTROL KNOB (BALANCE)
This knob is used to adjust the relative volume
of the left and right channels, enabling you to
compensate for unbalance created by installa-
tion locations of the speakers.
0) TREBLE CONTROL KNOB (TREBLE)
This knob controls treble response. Turn it
clockwise to boost or counterclockwise to at-
tenuate treble response. When this knob is in
the center defeat position a flat response is ob-
tained.
(9 BASS CONTROL KNOB (BASS)
This knob controis bass response. Turn it
clockwise to boost or counterclockwise to at-
tenuate bass response. When this knob is in the
center defeat position a flat response is ob-
tained. |
U HEADPHONES JACK (PHONES)
Stereo headphones with a standard plug can
be connected to this jack.
e Normal listening operation
1.
‚ © >
Turn the volume control to the minimum level
before turning the power ON. The power in-
dicator lights when power is ON.
. Using the SPEAKERS switches select the
desired speaker system(s) or leave both
switches in the OFF position to use the
headphones.
. Select the desired program source using the
Input Selector Keys. The corresponding input
indicator lights up.
. Activate your chosen component.
. Adjust your VOLUME, LOUDNESS, BASS,
TREBLE and BALANCE to provide the desired
sound quality.
To record from a sound source
. Using the REC OUT selector selectthe source
to be recorded.
. Activate your chosen source component.
. To monitor the sound being played via the
speakers or headphones use the Input Se-
lector Keys to select the source program,
(noting the procedures outlined above in
Normal listening operation).
. To start recording set the receiving tape
deck(s) to record. if your tape deck has three
head monitoring capability you can monitor
the just recorded signal by selecting the
corresponding tape deck switch on the Input
Selector Keys.
. To listen to an alternate sound source merely
select the desired component using the Input
Selector Keys, (noting the procedures out-
lined above in Normal listening operation).
® Tape dubbing
Three tape decks can be connected to the AX-
700U and tape dubbing can be performed from
TAPE 1 to 2/DAT or DAT to TAPE 1/2.
1.
2.
3.
Set the REC OUT selector to the TAPE COPY
position (1 2/DAT or DAT» TAPE 1/2).
To start recording set the source tape deck
to playback and the receiving deck to record.
To monitor the source sound, use the Input
Selector Keys to select the source deck. H
your recording tape deck has three head
monitoring capability, you can monitor the
just recorded signal by selecting the receiv-
ing deck on the Input Selector Keys.
À. To listen to an alternate sound simply select
the desired input component via the Input
Selector Keys. (Noting the procedures out-
lined above in Normal listening operation)
This has no adverse effects on the dubbing
quality.
Independent Recording and Listening Examples.
ACTION
INPUT SELECTOR
REC OUT
Listening to a record viathe speakers while
recording an AM/FM braodcast.
== PHONO
[
VIDEO/AUX,
DAT m9 /2= |
| Listening to a CD while recording it.
1m 2/087 JP fe
TAPE COPY
Listening to an AM/FM broadcast while
“dubbing” a tape from Tape 1 to 2.
= TUNER
||
Before assuming that your unit is faulty, please check the following troubleshooting list which details the
corrective action you can take yourself without having to call a service engineer. If you have any doubts or
questions, contact your nearest Yamaha dealer.
Power is not supplied even though the
Power switch is turned on .
=n
The power plug is not securely plugged in.
Plug it in securely.
There is no sound with any input se-
lector switches pressed.
The Speakers switch is not set correctly.
Set the Speakers switch correctly.
The input cords are not connected securely.
Connect them securely.
The speaker system is not connected correctly.
Check and secure connections,
Only CD output is possible
The CD DIRECT switch is ON.
Push the CD DIRECT switch to the OFF position.
There is no sound from one speaker.
The speaker connections are not secure.
Secure the connections.
The Balance control is set all the way to the left or right.
Adjust the Balance control correctly.
Thereis a lack of bass and no ambience.
The + and — cords have been reversed at the amp or
speakers.
Connect the speaker wires inthe correct phase
(+ and —).
There is a humming sound when playing
records. |
The input cords are not connected securely.
Plug the input cords in securely.
The turntable’s ground wire is not connected.
Connect the ground wire.
There is a howling sound when playing
records at high volume.
The turntable and the speakers are too close together or
the turntable is not mounted on a firm surface.
Change the location of the turntable or the
speakers.
Turning the Bass or Treble knob does
not affect the tone.
The Tone Bypass switch is on.
The Tone Bypass switch must be turned off to
use the controls. |
The sound suddenly goes off.
Driving speakers outside the rated impedance range at
high power for an extended period has activated the
speaker protection circuit.
Turning the AX-700U off and then on will reset
the speaker protection circuit. Use speakers
inside the rated impedance range.
There is a malfunction in the amplifier.
Consult your Yamaha dealer.
Minimum RMS Output Power Per Channel
20HZ ~20KHZz 0.005% THD 8G ersten encre 110W
0.008% THD 60 convince, 130W
Dynamic Power Per Channel
(by IHF Dynamic Headroom measuring method)
80/60/40 e ... 160W/210W/280W
Power Bandwidth |
0.03% THD 55W 89 .................enrereneer rro arena rama 10Hz ~50KHz
Damping Factor
TKHZ BQ eee eee eee eee eee enr 100
input Sensitivity/Impedance
Phono MC ............ enexanerenereneaan aria enamorar ener arverree. … 160uV/2200
MM eee ae aan anne 2.5mV/47kQ
CD/VIDEO:AUX/TUNER/TAPE ............. ee... rea eee. 150mV/47kQ
Input Sensitivity (New IHF)
[CT … 16uV
MM ee resrenen ser sae nee aan ace n een ner annees ren 04 0.25mV
CD/VIDEO-AUX/TUNER/TAPE en... eee . 15mV
Maximum Input Signal 1KHz |
0.01% THD Phono MC o.oo 10mV
MM EN 160mV
Output Level/impedance | |
Rec Qut EEE menes 150mV/4709
Headphone Jack Rated Output/Impedance |
0.005% THD RL=8Q eee, 0.85V/80
Frequency Response | -
CD/VIDEO-AUX/TUNER/TAPE он 20Hz ~20kHz +0, —0.5dB
RIAA Equalization Deviation |
Phono MC 20Hz -20KHZz ..........eeen. eee arre ee reee +0.3dB
MM 20HZ~20KHZ eee, +0.2dB
20Hz ~100KHz ..... anaoonro rear Ao Ten NA ONONErCEaN Te ome Neem rea eDes +0.5dB
Total Harmonic Distortion 20Hz ~ 20KHz
Phono MC 10 REC OUT, BV oie eee, 0.006%
MM to REC OUT, 3V coe eee res 0.003%
CD/VIDEO-AUX/TUNER/TAPE to Sp Out 55W/89 ...................... 0.005%
intermodulation Distortion |
CD/VIDEO: AUX/TUNER/TAPE | a
Rated Output/82 ....... rare. aneniercaneinonearaer eo onan eau reee. 0.002%
IW/BQO TT ———— 0.003%
10
Signal to Noise Ratio (IHF-A-Network)
Phono MC (500uV Input Shorted) ………….……….……… cs 76dB
MM (SmV input Shorted) ..................... menressene ere rac er mener nen es 92dB
CD/VIDEO- AUX/TUNER/TAPE (Shorted) ..........................imeee. 106dB
Signal to Noise Ratio (New IHF) |
Phono MC L......….errecccrereerenrrenranarerenrerrrar eee ceer enverra nana 75dB
MM eee rereceas ... 75dB
GD/VIDEO-AUX/TUNER/TAPE ooo narrar arerraces 86dB
Residual Noise (IHF-A-Network) TONE BYPASS ON.....................—.... 150uV
Channel Separation Vo! — 30dB
Phono MC.MM Input Shorted 1KHz une. nee... 70dB
CD/VIDEO-AUX/TUNER/TAPE input 5.1kQ terminated 1KHz ........ 65dB
Tone Control Characteristics
BÂSS DOOSt/CUt ocean, + 10dB at 20Hz
turnover frequency ................... eee eee. 350Hz
TREBLE boost/cut ...............—. ieee +10dB at 20KHz
turnover frequency ........e...... eee peneninimaneneme .. 3.5KHZ
Filter Characteristics
Subsonic ..................ee.=e R ERREGER enana eeeeroreoes cn... 15Hz/12dB/oct
Continuous Loudness Controi (Level Related Equalization)
AitenUatioNn ….….......….….…rerrecnnenrrsnensanenseniase crc nr rennes — 40dB(1KHz)
Audio MUtING .…....………cccarerrerrrr career eee nana ra eee r en ea er reos — 20dB
Power Supply....... NenenoenamareaOenac ere roanan a a R Rae amen ena ee anaiaacaroomeree AC120V 60HZ
Power Consumption ........................_.._.. erre eee eran renerar ere eaas 450W
AC Outlet
SN VE 100W max.
Unswitched X 1... ener nreee nara enano aaerararerererrea. 200W max.
Dimensions (W x H Xx DJ)... eee 435 x 165 x 416mm
| (17.1 x 6.5 x 16.4 in)
7 ere, etree rane rae 11.5Kg
(25.41bs)
*
Specifications subject to change without notice.
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