Onkyo CD Player DX 7555 User Manual

Contents  
Compact Disc Player  
Introduction.................................... 2  
DX-7555  
Instruction Manual  
Connections................................. 10  
Operation...................................... 12  
Others ........................................... 23  
Thank you for purchasing an Onkyo Compact Disc  
Player. Please read this manual thoroughly before  
making connections and plugging in the unit.  
Following the instructions in this manual will enable  
you to obtain optimum performance and listening  
enjoyment from your new Compact Disc Player.  
Please retain this manual for future reference.  
En  
 
Precautions  
1. Recording CopyrightUnless its for personal use  
only, recording copyrighted material is illegal with-  
out the permission of the copyright holder.  
Avoid damp and dusty places, and places subject  
to vibrations from loudspeakers. Never put the  
unit on top of, or directly above a loudspeaker.  
Install this unit horizontally. Never use it on its  
side or on a sloping surface, because it may cause  
a malfunction.  
2. AC FuseThe AC fuse inside the unit is not user-  
serviceable. If you cannot turn on the unit, contact  
your Onkyo dealer.  
If you install this unit near a TV, radio, or VCR,  
the picture and sound quality may be affected. If  
this occurs, move this unit away from the TV,  
radio, or VCR.  
3. CareOccasionally you should dust the unit all  
over with a soft cloth. For stubborn stains, use a soft  
cloth dampened with a weak solution of mild deter-  
gent and water. Dry the unit immediately afterwards  
with a clean cloth. Dont use abrasive cloths, thin-  
ners, alcohol, or other chemical solvents, because  
they may damage the nish or remove the panel let-  
tering.  
8. To Obtain a Clear PictureThis unit is a high-  
tech, precision device. If the lens on the optical  
pickup, or the disc drive mechanism becomes dirty  
or worn, the picture quality may be affected. To  
maintain the best picture quality, we recommend  
regular inspection and maintenance (cleaning or  
worn part replacement) every 1,000 hours of use  
depending on the operating environment. Contact  
your Onkyo dealer for details.  
4. Power  
WARNING  
BEFORE PLUGGING IN THE UNIT FOR THE  
FIRST TIME, READ THE FOLLOWING SEC-  
TION CAREFULLY.  
AC outlet voltages vary from country to country.  
Make sure that the voltage in your area meets the  
voltage requirements printed on the units rear panel  
(e.g., AC 230 V, 50 Hz or AC 120 V, 60 Hz).  
9. Moisture Condensation  
Moisture condensation may damage this unit.  
Read the following carefully:  
Moisture may condense on the lens of the optical  
pickup, one of the most important parts inside this  
unit.  
Moisture condensation can occur in the following  
situations:  
The unit is not fully powered off, while the  
STANDBY indicator stays lit up. If you do not  
intend to use the unit for an extended period,  
remove the power cord from the AC outlet.  
The unit is moved from a cold place to a warm  
place.  
A heater is turned on, or cold air from an air  
conditioner is hitting the unit.  
In the summer, when this unit is moved from  
an air conditioned room to a hot and humid  
place.  
The unit is used in a humid place.  
Do not use this unit when theres the possibility  
of moisture condensation occurring. Doing so  
may damage your discs and certain parts inside  
this unit.  
5. Never Touch this Unit with Wet Hands—Never  
handle this unit or its power cord while your hands  
are wet or damp. If water or any other liquid gets  
inside this unit, have it checked by your Onkyo  
dealer.  
6. Handling Notes  
If you need to transport this unit, use the original  
packaging to pack it how it was when you origi-  
nally bought it.  
Do not leave rubber or plastic items on this unit  
for a long time, because they may leave marks on  
the case.  
This units top and rear panels may get warm  
after prolonged use. This is normal.  
If you do not use this unit for a long time, it may  
not work properly the next time you turn it on, so  
be sure to use it occasionally.  
If condensation does occur, remove all discs and  
leave this unit turned on for two to three hours. By  
this time, the unit will have warmed up and any con-  
densation will have evaporated.  
When youve nished using this unit, remove all  
discs and turn off the power.  
7. Installing this Unit  
Install this unit in a well-ventilated location.  
Ensure that theres adequate ventilation all  
around this unit, especially if its installed in an  
audio rack. If the ventilation is inadequate, the  
unit may overheat, leading to malfunction.  
Do not expose this unit to direct sunlight or heat  
sources, because its internal temperature may  
rise, shortening the life of the optical pickup.  
3
 
Precautions—Continued  
This unit contains a semiconductor laser system and is  
classied as a CLASS 1 LASER PRODUCT. So, to  
use this model properly, read this Instruction Manual  
carefully. In case of any trouble, please contact the store  
where you purchased the unit.  
For British models  
Replacement and mounting of an AC plug on the power  
supply cord of this unit should be performed only by  
qualied service personnel.  
IMPORTANT  
The wires in the mains lead are coloured in accordance  
To prevent being exposed to the laser beam, do not try  
to open the enclosure.  
with the following code:  
DANGER:  
Blue:  
Neutral  
VISIBLE AND/OR INVISIBLE LASER RADIATION  
WHEN OPEN AND INTERLOCK FAILED OR  
DEFEATED. DO NOT STARE INTO BEAM.  
Brown: Live  
As the colours of the wires in the mains lead of this  
apparatus may not correspond with the coloured mark-  
ings 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.  
CAUTION:  
THIS PRODUCT UTILIZES A LASER. USE OF  
CONTROLS OR ADJUSTMENTS OR PERFOR-  
MANCE OF PROCEDURES OTHER THAN THOSE  
SPECIFIED HEREIN MAY RESULT IN HAZARD-  
OUS RADIATION EXPOSURE.  
The label on the right is  
applied on the rear panel.  
IMPORTANT  
The plug is tted with an appropriate fuse. If the fuse  
needs to be replaced, the replacement fuse must  
approved by ASTA or BSI to BS1362 and have the  
same ampere rating as that indicated on the plug. Check  
for the ASTA mark or the BSI mark on the body of the  
fuse.  
1. This unit is a CLASS 1  
LASER PRODUCT and  
employs a laser inside the cabinet.  
2. To prevent the laser from being exposed, do not remove the  
cover. Refer servicing to qualied personnel.  
If the power cords plug is not suitable for your socket  
outlets, cut if off and t a suitable plug. Fit a suitable  
fuse in the plug.  
For European Models  
Declaration of Conformity  
We,  
ONKYO EUROPE  
ELECTRONICS GmbH  
LIEGNITZERSTRASSE 6,  
82194 GROEBENZELL,  
GERMANY  
declare in own responsibility, that the ONKYO product  
described in this instruction manual is in compliance with the  
corresponding  
technical standards such as EN60065,  
EN55013, EN55020 and EN61000-3-2, -3-3.  
GROEBENZELL, GERMANY  
K. MIYAGI  
ONKYO EUROPE ELECTRONICS GmbH  
4
 
Features  
Table of Contents  
Plays Audio CDs, MP3 CDs, CD-R/RWs  
VLSC (Vector Linear Shaping Circuitry)  
Super Precision Clock ( 1.5 ppm)  
Massive Power Transformer  
Wolfson 192 kHz/24-Bit D/A Converter  
2 Digital Outputs (Optical/Coaxial)  
Headphone Jack with Volume Control  
Quick Navigation for MP3 CD Playback  
4-Mode Dimmer  
Introduction  
Important Safety Instructions ................2  
Precautions..............................................3  
Features ...................................................5  
Supplied Accessories.............................5  
Table of Contents....................................5  
Front & Rear Panels................................6  
Front Panel & Display............................6  
Rear Panel.............................................7  
Remote Controller...................................8  
RC-625C Remote Controller..................8  
Before Using the DX-7555 ......................9  
Installing the Remote Controller’s  
4 Repeat Modes  
Hi-Rigidity, Anti-Resonant Chassis  
Brushed Hairline Aluminum Front Panel  
Batteries ..............................................9  
Using the Remote Controller .................9  
(Remote Interactive) System  
Compatible  
Remote Control  
Connections  
Connecting the DX-7555 ...................... 10  
Audio Connections .............................. 10  
Connections................................. 11  
Supplied Accessories  
Make sure you have the following accessories:  
Operation  
Audio cable (1 m)  
Turning On the DX-7555........................12  
Turning On the DX-7555......................12  
Playing CDs............................................12  
Playing CDs .........................................12  
Selecting MP3 Folders & Tracks by  
Number..............................................15  
Displaying Information..........................16  
Memory Playback.................................17  
Random Playback................................18  
Repeat Playback..................................18  
Various Settings ....................................19  
cable (80 cm)  
To use  
, the DX-7555 must be connected with an  
cable and an audio cable.  
Others  
Remote controller RC-625C & two batteries (AA/R6)  
About CDs..............................................23  
Troubleshooting....................................25  
Specifications........................................27  
In catalogs and on packaging, the letter added to the end  
of the product name indicates the color of the DX-7555.  
Specications and operation are the same regardless of color.  
5
 
Front & Rear Panels  
The page numbers in parentheses show where you can nd the main explanation for each item.  
Front Panel & Display  
5
6
7
8
9
0
A
1
2
3
4
B
O TITLE indicator  
CD E F G  
H IJK  
Illuminates when the title (ID3 Tags) is displayed  
for MP3 le.  
P GROUP (FOLDER) indicator  
Illuminates when the group (folder) number is dis-  
played for the selected MP3.  
Display  
Q TRACK indicator  
A PHONES LEVEL knob  
Illuminates when the track number is displayed.  
Use to control the phones level. Turn the dial  
clockwise to increase the phones level and  
counterclockwise to decrease it.  
R RANDOM indicator (18)  
Illuminates during random playback.  
S TOTAL & REMAIN indicators  
Illuminate when the remaining time is shown. (Only  
when audio CD is loaded; not available when MP3  
disc is loaded.)  
B PHONES jack  
This is a standard stereo jack for connecting stereo  
headphones.  
C POWER switch (12)  
REMAIN: Displays the remaining playback time  
of the track.  
Press to turn on/off the DX-7555.  
D STANDBY indicator (12)  
TOTAL REMAIN: Displays the remaining play-  
back time of the disc.  
Lights up when the DX-7555 is in Standby mode.  
T MEMORY indicator (17)  
E Open/Close [ ] button (12)  
Illuminates during memory playback.  
Press to open and close the disc tray.  
U Repeat indicator (18)  
F DISPLAY button (16)  
Illuminates during repeat playback.  
Press to change the displayed information.  
G [  
/
] buttons (13)  
Press and hold to fast reverse or fast forward during  
playback.  
H [  
/
] dial (13)  
Rotate the dial in a clockwise or counterclockwise  
direction to select a next or previous track. To start  
playback for a selected track, press the button.  
For MP3 disc, the dial can be used for navigation.  
Recorded number  
of folders*  
Name of disc (First  
5 letters.)  
Recorded number  
of tracks  
I Play [ ] button (12)  
* Folders (directories) are referred to as groups.  
Example of display for MP3 disc.  
Press to start playback.  
J Stop [ ] button (13)  
Press to stop playback.  
K Pause [ ] button (13)  
Press to pause playback  
L Remote Control Senser (9)  
M Play & Pause indicators  
Illuminate in play or pause mode.  
N MP3 indicator  
Illuminates when MP3 disc is loaded.  
6
 
Front & Rear Panels—Continued  
Rear Panel  
1
2
3
A
REMOTE CONTROL jacks (11)  
These two identical  
(Remote Interactive) jacks  
can be connected to the  
jacks on your other  
Onkyo components for interactive control. To use  
, the DX-7555 must be connected with an  
cable and an audio cable.  
B AUDIO OUTPUT ANALOG (10)  
This analog audio output can be connected to an  
ampliers analog input by using the supplied audio  
cable.  
C AUDIO OUTPUT DIGITAL OPTICAL/  
COAXIAL (10)  
These two digital audio outputs can be connected to  
a digital audio input on an amplier or recorder.  
7
 
Remote Controller  
RC-625C Remote Controller  
The page numbers in parentheses show where you can nd the main explanation for each item.  
E SETUP button (20)  
Press to display the screen for various settings.  
F [ ] buttons (13)  
/
1
2
9
Press and hold to fast reverse or fast forward during  
playback.  
G RANDOM button (18)  
3
0
A
Press to set random playback.  
H REPEAT button (18)  
Press to set repeat playback.  
B
C
I OPEN/CLOSE button (12)  
Press to open and close the disc tray.  
J SEARCH button  
Press to search and select a track number.  
For MP3 disc, the button can be used to search and  
select a group (folder) number.  
4
D
E
K MEMORY button (17)  
Press to set memory program.  
L ENTER button  
Press to set a selected preference.  
5
6
F
G
H
M CLEAR button (17)  
Press to cancel an input of data, while entering  
numeric values.  
Press to remove the last track in the program, while  
registering memory.  
I
7
8
N DISPLAY button (16)  
Press to change the displayed information.  
O Arrow and ENTER buttons  
Press the Arrow buttons to congure various set-  
tings, and then press the ENTER or Arrow buttons  
to set them.  
These buttons can be also used to select a track.  
P Pause [ ] button (13)  
Press to pause playback.  
Q Stop [ ] button (13)  
Press to stop playback.  
A ON button (12)  
R Play [ ] button (12)  
Press to turn on the DX-7555 from its standby  
mode.  
Press to start playback.  
S [  
/
] buttons (13)  
B STANDBY button (12)  
Press to put the DX-7555 on standby from its pow-  
ered on status.  
Press to select the previous or next track.  
C Number buttons (13, 15)  
Use these buttons to enter track numbers.  
D DIMMER button  
Press to adjust the display brightness. The bright-  
ness changes in this order:  
Normal Dim Dimmer No Display*  
* When the display is set to turn off (No Display),  
any operation will temporarily turn on the display  
for several seconds, then turn it off again.  
8
 
Before Using the DX-7555  
Installing the Remote Controller’s  
Batteries  
Using the Remote Controller  
To use the remote controller, point it at the DX-7555s  
remote control sensor, as shown.  
To open the battery compartment, press  
the small hollow and slide open the cover.  
1
Remote control sensor  
DX-7555  
Approx. 16 ft.  
(5 m)  
Insert the two supplied batteries (AA/R6)  
in accordance with the polarity diagram  
inside the battery compartment.  
2
Notes:  
The remote controller may not work reliably if the  
DX-7555 is subjected to bright light, such as direct  
sunlight or inverter-type uorescent lights. Keep this  
in mind when installing the DX-7555.  
If another remote controller of the same type is used  
in the same room, or the DX-7555 is installed close to  
equipment that uses infrared rays, the remote control-  
ler may not work reliably.  
Dont put anything, such as a book, on the remote con-  
troller, because the buttons may be pressed inadvert-  
ently, thereby draining the batteries.  
The remote controller may not work reliably if the  
DX-7555 is installed in a rack behind colored glass  
doors. Keep this in mind when installing the  
DX-7555.  
Slide the cover shut.  
3
The remote controller will not work if theres an  
obstacle between it and the DX-7555s remote con-  
trol sensor.  
Notes:  
If the remote controller doesnt work reliably, try  
replacing the batteries.  
Dont mix new and old batteries or different types of  
batteries.  
If you intend not to use the remote controller for a long  
time, remove the batteries to prevent damage from  
leakage or corrosion.  
Flat batteries should be removed as soon as possible to  
prevent damage from leakage or corrosion.  
9
 
Connecting the DX-7555  
Audio Connections  
Read the manuals supplied with your other audio  
equipment.  
To prevent interference, keep audio cables away from  
power cords and speaker cables.  
Dont connect the power cord until youve completed  
all audio connections.  
DIGITAL AUDIO OUTPUT  
If your CD-R, MiniDisc, or DAT recorder has a digital  
input, use a commercially available coaxial or optical  
ber digital audio cable to connect the DX-7555s  
COAXIAL or OPTICAL DIGITAL AUDIO OUTPUT  
to your recorder.  
ANALOG AUDIO OUTPUT  
If your hi-amp or AV receiver doesnt have a digital  
input, use the supplied RCA/phono audio connecting  
cable to connect the DX-7555s ANALOG AUDIO  
OUTPUTs to your amps analog CD inputs.  
You can also use the digital outputs to connect to an amp  
that has a digital input.  
Notes:  
Note:  
RCA/phono audio cables are usually color coded: red  
and white. Use red plugs to connect right-channel  
inputs and outputs, and use white plugs to connect  
left-channel inputs and outputs.  
The OPTICAL DIGITAL AUDIO  
OUTPUT has a dust cap for keeping  
out dust and dirt when its not in  
use. Remove the cap before con-  
necting an optical ber cable. Push  
the plug in all the way to make a  
good connection. Keep the dust cap  
in a safe place for future use.  
Push each plug in all the way to  
Right!  
make a good connection (loose  
connections can cause noise or  
malfunctions).  
Wrong!  
RCA/phono  
audio cable  
Connect  
Disconnect the power  
one or the  
cord before making any  
other  
connections!  
Connect one or the  
other  
Optical fiber cable  
(not supplied)  
Optical fiber cable  
Coaxial cable  
(not supplied)  
(not supplied)  
Coaxial cable  
(not supplied)  
L
R
CD  
Optical IN  
Coaxial IN  
Coaxial IN  
Optical IN  
Hi-fi amp, AV receiver  
CD-R, MiniDisc, DAT recorder  
10  
 
Connecting the DX-7555—Continued  
Connections  
With  
(Remote Interactive) you can control the  
-compatible  
To use the  
DX-7555s  
functions, you need to connect one of the  
connectors to an connector on  
DX-7555 together with your other  
Onkyo AV components. With some Onkyo AV receivers  
you can use one remote controller to control all your  
Onkyo components and use the following special  
functions:  
another AV component in your system by using the sup-  
plied cable.  
See the manuals supplied with your other  
ble AV components for more information.  
-compati-  
I Auto Power On  
If your DX-7555 is connected to an  
Notes:  
-compatible  
Use only  
To use  
cables for  
connections.  
Onkyo hi-amp or AV receiver, when you turn on the  
DX-7555, the AV receiver will turn on and select the  
DX-7555 as the input source.  
you must make an analog RCA/phono  
connection between your DX-7555 and Onkyo AV  
receiver even if they are connected digitally.  
The DX-7555 has two  
nect either one to your Onkyo hi-amp or AV  
receiver. The other connector is for connecting addi-  
I Direct Change  
connectors. You can con-  
If your DX-7555 is connected to an  
-compatible  
Onkyo hi-amp orAV receiver, when you start playback  
on the DX-7555, the AV receiver will select the  
DX-7555 as the input source.  
tional  
-compatible components.  
Connect the DX-7555s  
AV components. Connecting to other manufacturers  
AV components may cause them to malfunction.  
connector to only Onkyo  
I Dimmer  
When you dim the display brightness on an  
ible Onkyo AV component, the displays on all other AV  
components connected via are dimmed as well.  
-compat-  
Some Onkyo  
-compatible AV components may  
not support the special functions described here.  
To use  
you must make an analog audio connection (RCA/phono)  
between the DX-7555 and your other Onkyo equipment even if they are  
connected digitally.  
Disconnect the power  
cord before making any  
connections!  
Coaxial cable (not supplied)  
cable  
RCA/phono audio cable  
L
R
Coaxial IN  
CD  
Hi-fi amp, AV receiver  
11  
 
Turning On the  
DX-7555  
Playing CDs  
Turning On the DX-7555  
POWER  
STANDBY indicator  
To wall outlet  
Playing CDs  
To open the disc tray, press the  
Open/Close [ ] button.  
1
ON  
STANDBY  
Put the CD on the  
tray with the  
label-side facing  
up.  
Be sure to put 8-cm  
discs in the center of  
the tray.  
Label side  
2
Plug the power cord into a suit-  
able wall outlet.  
1
2
Press the DX-7555’s [POWER]  
switch.  
Make sure the switch is set to ON  
.
To close the tray, press the Open/  
Close [ ] button again.  
3
4
To put the DX-7555 on standby,  
press the STANDBY button on  
the remote controller while the  
DX-7555 is powered on.  
You will see the STANDBY indicator  
light up.  
To turn on the DX-7555 from its  
standby mode, press the ON but-  
ton on the remote controller.  
3
4
Remote  
controller  
Press the Play [ ] button to  
start playback.  
Playback starts and the Play  
tor appears on the display.  
indica-  
ON  
Note:  
With CDs that contain many tracks,  
playback may take a while to start.  
Press again the switch to turn off  
the DX-7555.  
Make sure the switch is set to OFF  
.
After power is supplied by turning on the switch:  
If you turn off the POWER switch while power is sup-  
plied, the DX-7555 will be powered next time you turn  
on the POWER switch.  
If you turn off the POWER switch during Standby  
mode, the DX-7555 will be put on standby next time  
you turn on the POWER switch.  
12  
 
Playing CDs—Continued  
I To Select Tracks by Number (Operating with  
remote controller only)  
Use the number buttons to select specic tracks.  
Use the [>10] button to enter track numbers above 10.  
For example, to enter track number 10, press [10/0].  
To enter track number 12, press [>10], [1], and [2].  
To select MP3 tracks by number, see Selecting MP3  
Folders & Tracks by Numberon page 15.  
Number  
buttons  
/
/
I To Stop Playback  
Press the Stop [ ] button.  
I To Pause Playback  
Press the Pause [ ] button. The Pause indicator  
appears.  
To resume playback, press the Play [ ] or Pause [  
button again.  
]
I To Fast Forward or Fast Reverse  
During playback or while playback is paused, press and  
hold the [ ] button to fast forward or the [ ] button  
to fast reverse.  
You can also perform the same operation by using the  
[
]/[ ] buttons on the remote controller.  
Note:  
For MP3 discs, fast reverse only works within the MP3  
track thats currently playing.  
I To Select Tracks  
Press the [  
] button to select the previous track.  
If you press the [ ] button during playback or  
] button to select the next track or the  
[
while playback is paused, the beginning of the current  
track is selected.  
If you select a track while playback is stopped, press  
the Play [ ] button to start playback.  
You can select a next or previous track by using the  
[
/
] dial on the DX-7555.  
Press the [ / ] buttons on the remote controller to  
select a track, and then the ENTER button to start  
playback.  
13  
 
Playing CDs—Continued  
I Selecting MP3 Tracks  
I Selecting MP3 Tracks in Group Mode  
In Group Mode, a folder must be selected before you  
can select a MP3 track.  
You dont have to navigate the folder hierarchy to nd an  
MP3 track because all folders that contain MP3 tracks  
appear at the same level. This mode can be used during  
playback and while playback is stopped.  
While playback is stopped, press  
1
the [  
/
] dial.  
To select a track for playback  
You can select a track by rotating the  
The rst folder will be displayed.  
1
[
/
] dial.  
You can select a track contained in any  
other folders.  
During playback, you can also have  
control by using the [ / ] buttons on  
the remote controller.  
When JOG MODE is set to NAVI in  
Remote  
controller  
the SETUP menu, keeping the [  
/
] dial pressed will put the DX-7555  
into Group mode (see page 21).  
Select a folder in which your tar-  
get track is stored, and then  
select the track.  
2
Remote  
controller  
If you press the [  
/
] dial, or  
2
the ENTER button on the remote  
controller, playback will start for  
the track.  
If you rotate the [  
/
] dial, or  
press the [ / ] buttons on the remote  
controller, the folders contained in the  
disc will be displayed in sequential  
order.  
You can also perform the same opera-  
tion by using the Play [ ] button.  
Remote  
controller  
If you press [  
/
] dial during  
If you press the [  
/
] dial, or the  
playback, the next track will start to  
play.  
ENTER button on the remote control-  
ler, the rst track in the folder will be  
displayed. And if you rotate the [  
] dial, or press the [ ] button on  
the remote controller, the tracks con-  
/
tained in the folder will be displayed in  
sequential order.  
To go back to the previous hierarchy,  
press the Stop [ ] button on the  
DX-7555, or the [ ] button on the  
remote controller.  
If you press the [  
/
] dial, or  
3
the ENTER button on the remote  
controller, playback will start for  
the track.  
You can also perform the same opera-  
tion by using the Play [ ] button.  
Remote  
controller  
14  
 
Playing CDs—Continued  
I To Select MP3 Tracks in Navigation Mode  
With Navigation mode you can select MP3 tracks by  
navigating through the folder hierarchy. This mode can  
only be used while playback is stopped.  
Selecting MP3 Folders & Tracks by  
Number  
This section explains how to select MP3 folders and  
tracks by number.  
While playback is stopped, press  
1
and hold [  
/
] dial.  
While playback is stopped, press  
the [SEARCH] button.  
1
The DX-7555 enters Navigation mode  
and [ ROOT ] appears on the dis-  
play.  
Remote  
controller  
“–” appears below the GROUP indica-  
tor on the display.  
You can also perform the same opera-  
tion by pressing the [>10] button  
repeatedly.  
When JOG MODE is set to NAVI in  
the SETUP menu, pressing the [  
] dial will put the DX-7555 into  
Navigation mode (see page 21).  
You can also change to Navigation  
/
If the disc contains ten or more folders,  
“– –” appears.  
mode by pressing [ / / / ] buttons  
or the ENTER button on the remote  
controller.  
Use the number buttons to enter  
the folder number.  
2
Remote  
controller  
Enter the numbers in order from left-to-  
right. For example, to enter folder num-  
ber 25, press [2] and then [5].  
Press the [  
/
] dial once  
2
more, or press the [ ] button on  
the remote controller.  
The name of the rst folder one level  
down from root appears on the display.  
The name of the specied folder  
appears on the display.  
Remote  
controller  
If the disc has no folders, the name of  
the rst track is displayed.  
Press the ENTER button when  
the target playback group (folder)  
is displayed.  
3
Remote  
controller  
You can select a folder or track  
existing in a same hierarchy by  
rotating the [  
/
] dial, or press-  
ing the [ / ] buttons on the remote  
controller.  
Pressing the [  
/
] dial, or the  
[ / ] buttons on the remote control-  
ler, while selecting a folder, you can  
go down by one hierarchy; and go  
one hierarchy up by pressing the [ ]  
button on the DX-7555, or the [ ]  
button on the remote controller.  
Use the number buttons to enter  
the track number.  
4
Remote  
controller  
Playback starts automatically.  
If the folder contains 100 or more  
tracks, follow the steps described here  
to select tracks. For example, to enter  
track number 32, press [>10], [10/0],  
[3], and then [2]. To enter track num-  
ber 132, press [>10], [1], [3], and then  
[2].  
If you press the [  
/
] dial, or  
3
the ENTER button on the remote  
controller, while a track is  
selected, playback will start for  
the track.  
You can perform the same operation  
by using the Play [ ] button.  
Remote  
controller  
Tip:  
If you press the Play [ ] button while  
a folder is selected, playback start with  
the rst track in that folder.  
15  
 
Playing CDs—Continued  
I MP3 Disc  
Elapsed track time: The length of time that the current  
DISPLAY  
track has been playing (default display).  
Track name: Name of the current track.  
Displaying Information  
This section explains how to display various informa-  
tion, including the remaining track time, remaining disc  
time, disc name, track name, and various ID3 tags for  
MP3 tracks, including title name, artist name, and so on.  
Group (folder) name: Name of the current group  
(folder).  
During playback, press the [DIS-  
PLAY] button repeatedly to cycle  
through the following options.  
Title name: Title of the current track (if ID3 tag  
present).  
I Audio CD  
Elapsed track time: The length of time that the current  
track has been playing (default display).  
Artist name: Name of the artist (if ID3 tag present).  
Remaining track time: The amount of time remaining  
for the current track (REMAIN indicator appears).  
Album name: Name of the album (if ID3 tag present).  
Sampling rate and bit rate: Sampling rate and bit rate  
of the current track.  
Remaining disc time: The amount of time remaining  
for the entire disc (REMAIN and TOTAL indicators  
appear).  
Notes:  
To display the disc name, while playback is stopped,  
press the [DISPLAY] button.  
During normal playback  
During random playback  
If a track or folder name contains a character that can-  
not be displayed, it will be displayed as TRACK n”  
or GROUP n,” “nbeing the track or folder number.  
You can set the DX-7555 so that it displays under-  
scores in place of any undisplayable characters (see  
page 21).  
16  
 
Playing CDs—Continued  
<To select audio CD tracks>  
Select tracks by using the [ / ] but-  
tons on the remote controller, and  
then press the MEMORY button.  
Press the number buttons on the  
remote controller to select tracks.  
If you want to erase memory, press the  
CLR (CLEAR) button. Every time you  
press the button, the stored memory  
will be cleared one by one in reverse  
chronological order.  
Number  
buttons  
MEMORY  
ENTER  
CLEAR  
ENTER  
/
You can start playback for the  
track by pressing the ENTER but-  
ton on the remote controller.  
You can also perform the same opera-  
tion by using the Play [ ] button.  
Memory playback stops automatically  
when all the tracks in the program have  
been played.  
3
/
RANDOM  
REPEAT  
Remote  
controller  
To move to the next track during  
Memory Playback  
playback, press the [ ] or [  
ton.  
] but-  
I To Play back Tracks and Folders (for MP3  
disc only) inYour Favorite Order  
You can store up to 25 tracks in memory.  
To return to the forefront of the track  
during playback, press the [ ] or  
[
] button; then immediately  
To switch over to memory mode  
Press the Stop [ ] button to stop play-  
back.  
Press the MEMORY button, and the  
MEMORY indicator lights up.  
MEMORY indicator  
1
or  
press the same button once again if  
you want to move to the previous  
track.  
While the folder stored in memory is  
played back, you can select a track  
you want to listen to by using the  
number buttons on the remote con-  
troller.  
Notes:  
To select folders and tracks to be  
stored in memory  
2
If you try to add more than 25 tracks, the message  
FULLwill appear on the display. You can not store  
more than 25 tracks in memory.  
Remote  
controller  
For audio CD, if the total playing time of your pro-  
gram exceeds 99 minutes and 59 seconds, --:--will  
be displayed. (This will not affect program playback.)  
For MP3 disc, the total playing time will not be dis-  
played.  
<To select MP3 folders and tracks>  
Select folders and tracks by using  
the [ / / / ] buttons on the remote  
controller, and then press the MEM-  
ORY button. (For information about  
how to select folders and tracks, see  
pages 14-15.)  
The program will be deleted when the disc tray is  
opened.  
Press the number buttons on the  
remote controller to select folders  
and tracks. (For information about  
how to select folders and tracks, see  
page 15.) If you want to store folders  
only in memory, select folders alone  
and then press the MEMORY button.  
17  
 
Playing CDs—Continued  
I To View the Reserved Memory  
Random Playback  
Press the Stop [ ] button to stop  
playback.  
1
With the Random function, you can play tracks in ran-  
dom order.  
Now you can view the reserved mem-  
ory by pressing the [  
Press the STOP button to nish view-  
ing.  
/
] buttons.  
Press the [RANDOM] button.  
1
The RANDOM indicator appears on  
the display and random playback  
starts.  
I To Stop Memory Playback  
Press the Stop [ ] button.  
RANDOM indicator  
I To Remove the Last Track from the Program  
While memory playback is stopped, press the [CLEAR]  
button. Each time you press it the last track from the  
program will be removed.  
To cancel random playback, stop  
2
playback, or press the [RAN-  
DOM] button so that the RAN-  
DOM indicator disappears.  
I To Cancel Memory Playback  
Press the [MEMORY] button so that the MEMORY  
indicator disappears. The program will be deleted.  
I To Perform Memory Playback for Only One  
Note:  
Track or Folder (for MP3 disc only)  
During random playback, pressing the [  
not select the previous track.  
] button will  
<To Perform Memory Playback for Only One Track>  
Play back the track for which you  
want to perform memory play-  
back.  
For information about how to select  
tracks, see pages 13-15.  
1
Memory Random Playback  
If you specify the pre-programmed tracks and press the  
RANDOM button, the random playback will start for  
the pre-programmed tracks only.  
Press the MEMORY button  
Repeat Playback  
2
repeatedly until the MEMORY  
indicator lights up and theMEM-  
ORY-TRKis displayed.  
With the Repeat function, you can play all tracks  
repeatedly.  
Press the remote controllers  
[REPEAT] button.  
1
< To Perform Memory Playback for Only One Folder  
(for MP3 disc only)>  
The Repeat indicator appears on the  
display and all tracks are played  
repeatedly.  
Play back the track contained in a  
1
folder for which you want to per-  
form memory playback.  
Repeat indicator  
For information about how to select  
folders and tracks, see pages 14-15.  
Press the MEMORY button  
To cancel repeat playback, press  
the [REPEAT] button again.  
The Repeat indicator disappears.  
2
2
repeatedly until the MEMORY  
indicator lights up and theMEM-  
ORY-GRPis displayed.  
You can select tracks to be played back  
by using the number buttons on the  
remote controller.  
Repeat Memory Playback  
If you press the [REPEAT] button during memory play-  
back, the custom program will play repeatedly.  
Repeat Random Playback  
If you press the [REPEAT] button during random play-  
back, tracks will be played in random order repeatedly.  
18  
 
Various Settings  
You can congure operating conditions of the DX-7555 for sound, display and MP3 disc.  
The Structure of the SETUP MENU  
Key Item  
Title  
Item  
AUDIO  
DIGI OUT  
FILTER*  
(ON/OFF)  
(SHARP/SLOW)  
(NORMAL/REVERSE)  
(–40~+40)  
PHASE*  
CLOCK ADJ*  
DISPLAY  
DISC NAME  
GROUP NAME*  
TRACK NAME*  
HIDE NUM  
(DISPLAY/NOT)  
(SCROLL/NOT)  
(SCROLL/NOT)  
(NO/YES)  
BAD NAME  
(REPLACE/NOT)  
EXTRA  
ID3 VER 1  
ID3 VER 2  
CD-EXTRA  
JOLIET  
(READ/NOT)  
(READ/NOT)  
(AUDIO/MP3)  
(USE SVD/ISO9660)  
(GROUP/NAVI)  
JOG MODE*  
INITIALIZE  
(CANCEL/EXECUTE)  
The operation marked with * can be performed  
even during playback or memory mode.  
19  
 
Various Settings—Continued  
Stop playback.  
The numbers of all the groups (fold-  
ers) and the tracks should be indi-  
cated on the display.  
The memory mode should be dese-  
lected.  
Rotate the [  
/
] dial in a  
1
5
6
direction of clockwise or coun-  
terclockwise to select an item.  
When using the remote controller,  
press the [ / ] buttons.  
Now the displayed item has been set.  
To return to the title display, press the  
[ ] button. When using the remote  
controller, press the [ ] cursor button.  
Remote  
controller  
Exit the conguration.  
Press the [  
When using the remote controller,  
press the ENTER or SETUP button.  
Press and hold the STOP button  
until SETUP MENUappears on  
the display (about a few sec-  
onds).  
When using the remote controller,  
press the SETUP button.  
/
] dial.  
2
3
Remote  
controller  
Remote  
controller  
Rotate the [  
direction of clockwise or coun-  
terclockwise to display a key  
item, and then press the [  
dial.  
When using the remote controller,  
press the [ / ] buttons and then  
ENTER button.  
/
] dial in a  
AUDIO  
DIGI OUT (ON/OFF)  
This preference congures the setting to switch the dig-  
ital output on and off.  
While listening to an analog source, you are recom-  
mended to turn off the digital output for better sound  
quality.  
/
]
Remote  
controller  
FILTER (Switching Digital Filter Characteristics)*  
This preference congures the setting to switch the  
characteristics of the digital lter for D/A conversion.  
You can opt for whichever of the characteristics that  
vary depending on your switching.  
SHARP (Sharp Roll-off Characteristics)  
This preference allows the band property up to 20 kHz  
to be output almost at.  
Rotate the [  
direction of clockwise or coun-  
/
] dial in a  
4
SLOW (Slow Roll-off Characteristics)  
This preference brings higher reproducibility of input  
waveform, and is suitable to reproduce agogics, or sub-  
tle attack of sound signals, along with sound image  
localization for each musical instrument.  
terclockwise to display a title you  
want to set, and then press the  
[
/
] dial.  
When using the remote controller,  
press the [ / ] buttons and then  
ENTER button.  
To return to the key item display, press  
the [ ] button. When using the remote  
controller, press the [ ] cursor button.  
Notes:  
The preference is valid for analog output only.  
If any preference produces no distinctive effect, use  
the DX-7555 with the factory default setting  
(SHARP).  
Remote  
controller  
20  
 
Various Settings—Continued  
PHASE (Switching Analog Output Phase)*  
This preference congures the setting to switch the  
phase of the audio output.  
You may give it a try to switch and listen so that an opti-  
mum sound quality can be obtained from the amplier  
and the speakers on line.  
BAD NAME (REPLACE/NOT)  
This preference determines whether or not track and  
folder names that contain undisplayable characters are  
replaced with TRACK nor GROUP n,” “nbeing the  
track or folder number. When set to NOT, displayable  
characters are displayed and underscores are used in  
place of any undisplayable characters.  
NORMAL (Normal Phase)  
The waveform recorded in CD disc will be output with  
its polarity left intact.  
For ID3 tags, underscores are used in place of undisplay-  
able characters regardless of this preference.  
REVERSE (Reversed Phase)  
Note:  
The waveform recorded in CD disc will be output with  
its reversed polarity.  
Track and folder names are scrolled in Navigation mode  
(page 15) regardless of the TRACK NAME and GROUP  
NAME preferences.  
Notes:  
The preference is valid for analog output only.  
If any preference produces no distinctive effect, use the  
DX-7555 with the factory default setting (NORMAL).  
Extra Items  
ID3 VER 1 (READ/NOT)  
This preference determines whether or not version 1.0/  
1.1 tags are read and displayed. When set to NOT  
READ, version 1.0/1.1 tags will not be displayed.  
CLOCK ADJ (Clock Adjustment)*  
This preference congures the setting to ne adjust the  
clock on which the audio processing is based.  
Normally, you may use the DX-7555 with a value of 0  
(factory default setting).  
Depending on the disc you use, you may hear slurred or  
unclear sound, in other word a sound image may be  
blurred. In such cases, you can obtain a clear sound  
image, or acoustic eld, by adjusting the clock.  
Give it a try to ne adjust the clock, while listening the  
playback, and then set your preference.  
ID3 VER 2 (READ/NOT)  
This preference determines whether or not version 2.3/  
2.4 tags are read and displayed. When set to NOT  
READ, version 2.3/2.4 ID3 tags will not be displayed.  
CD-EXTRA (AUDIO/MP3)  
This preference applies to CD Extra discs and deter-  
mines whether music in the audio session or MP3 tracks  
in the data session are played.  
+ xx:  
JOLIET (USE SVD/ISO9660)  
The clock frequency increases relative to the factory  
default setting.  
This preference applies to MP3 discs in Joliet format and  
determines whether the DX-7555 reads the SVD data or  
treats the disc as an ISO 9660 disc. Normally, this pref-  
erence doesnt need to be changed.  
– yy:  
The clock frequency decreases relative to the factory  
default setting.  
SVD (Supplementary Volume Descriptor) supports long  
le and folder names and characters other than letters  
and numbers. Some CD burning software refers to the  
Joliet format as Windows format.”  
Notes:  
You can adjust in an approximate range between +40  
and 40.  
If any adjustment produces no distinctive effect, use  
the DX-7555 with the factory default setting (0).  
JOG MODE (GROUP/NAVI)*  
This preference congures the setting to switch the  
search method you want to apply to MP3 CD, by press-  
DISPLAY  
ing the [  
In GROUP, you can change to Group mode by pressing  
the [ ] dial, and to Navigation mode by keeping  
it pressed.  
Similarly in NAVI, you can change to Navigation mode  
by pressing the [ ] dial, and to Group mode by  
/
] dial.  
DISC NAME (DISPLAY/NOT)  
This preference determines whether or not the disc name  
is displayed when an MP3 disc is read.  
/
GROUP NAME (SCROLL/NOT)*  
This preference determines whether or not the group  
(folder) name scrolls across the display when an MP3  
group (folder) is selected.  
/
keeping it pressed (see pages 14-15).  
INITIALIZE (CANCEL/EXECUTE)  
This preference congures the setting to return each set-  
ting to the factory default state.  
TRACK NAME (SCROLL/NOT)*  
This preference determines whether or not the track  
name scrolls across the display when an MP3 track is  
selected.  
The operation marked with * can be performed even  
during playback or memory mode.  
HIDE NUM (NO/YES)  
This preference determines whether or not a numeric  
character is displayed, if it is contained in the head of  
the track name and the group (folder) name.  
21  
 
Various Settings—Continued  
To Return Each Setting to the Factory Default  
Press the [  
When using the remote controller,  
press the ENTER button.  
If a disc is loaded, the DX-7555 will  
start reading the disc from scratch.  
/
] dial.  
5
Stop playback.  
1
The numbers of all the groups (fold-  
ers) and the tracks should be indi-  
cated on the display.  
Remote  
controller  
The memory mode should be dese-  
lected.  
Remote  
controller  
Press and hold the STOP button  
2
until SETUP MENUappears on  
the display (about a few sec-  
onds).  
When using the remote controller,  
press the SETUP button.  
Remote  
controller  
Rotate the [  
direction of clockwise or coun-  
terclockwise to display [INITIAL-  
/
] dial in a  
3
IZE], and then press the [  
dial.  
/
]
When using the remote controller,  
press the [ / ] buttons and then the  
ENTER button.  
Remote  
controller  
Rotate the [  
/
] dial in a  
4
direction of clockwise or coun-  
terclockwise to display [EXE-  
CUTE].  
When using the remote controller,  
press the [ / ] buttons and then the  
ENTER button.  
Remote  
controller  
To abort the INITIALIZE operation,  
display [CANCEL].  
22  
 
About CDs  
Handling CDs  
If you load any other non-supported discs for reading  
or playback purpose, they may cause noise or not  
operate normally.  
The DX-7555 does not support disc types not listed.  
Dont use discs with an unusual shape, such as those  
shown below, because you may damage the DX-7555.  
Carefully lift the disc from  
its case, making sure to  
hold it by its edges or cen-  
ter hole.  
You can use a soft, dry  
cloth to wipe dust and nger-  
prints off the surface of CDs.  
Do not use volatile agents,  
such as thinner or benzene.  
Dont use vinyl record clean-  
ers or antistatic agents.  
Dont use discs that have residue from adhesive tape,  
rental discs with peeling labels, or discs with custom-  
made labels or stickers. Doing so may damage the  
DX-7555 and you may not be able to remove the disc  
properly.  
Discs Made on Personal Computers  
Notes:  
Discs made on personal computers, including those of a  
compatible format, may not work properly in the  
DX-7555 because of incorrect settings in the disc burn-  
ing software. Check the manuals supplied with your disc  
burning software for additional compatibility informa-  
tion.  
Dont keep a CD in direct sunlight or in locations  
subject to high humidity or low temperature.  
Dont leave a CD in the unit for a long period of time.  
Supported Discs  
The DX-7555 supports the following discs.  
MP3 Compatibility  
Disc  
Logo  
Format or le type  
MP3 discs must be ISO 9660 Level 1 or Level 2,  
Romeo or Joliet compliant. Supported formats:  
Mode 1, Mode 2 XA Form 1.  
PCM  
Audio CD  
Audio CD, MP3  
Folders can be up to eight levels deep.  
MP3 les must be MPEG-1/MPEG-2 Audio Layer 3  
format with a sampling rate of between 8 kHz and 48  
kHz and a bit-rate of between 8 kbps and 320 kbps  
(128 kbps recommended). Incompatible les cannot  
be played.  
Constant bit rate MP3 les are recommended, how-  
ever, variable bit rate (VBR) MP3 les between  
8 kbps and 320 kbps are supported. (Playing times  
may display incorrectly.)  
CD-R  
MP3  
Audio CD, MP3  
CD-RW  
MP3  
MP3 les must have a .mp3or .MP3” file name  
extension. MP3 les without the proper extension will  
not be recognized. To prevent noise and malfunction,  
do not use these extensions for other types of les.  
The DX-7555 supports up to 499 total tracks includ-  
ing the folders of a disc and the MP3 les, however,  
the maximum number of folders may not exceed 99.  
Files and folders in excess of this cannot be played.  
Note that if the le and folder structure is very compli-  
cated, the DX-7555 may not be able to read or play all  
of the MP3 les on the disc.  
Disc, le and folder names may contain up to 32 char-  
acters.  
The maximum time that can be displayed for a single  
track is 99 minutes and 59 seconds.  
The remaining time cannot be displayed when playing  
MP3 les.  
Audio CD (Session 1),  
MP3 (Session 2)  
CD Extra  
Some audio CDs use copy protection that doesnt con-  
form to the ofcial CD standard. Since these are non-  
standard discs, they may not play properly in the  
DX-7555.  
The DX-7555 supports CD-R and CD-RW discs.  
However, some CD-R and CD-RW discs may not  
work properly for any of the following reasons: disc  
burner characteristics, disc characteristics, the disc is  
damaged or dirty. See the manual supplied with your  
disc burner for more information. Condensation or  
dirt on the optical pickup lens can also affect play-  
back.  
The DX-7555 supports 8 cm and 12 cm discs.  
23  
 
About CDs—Continued  
MP3 le and folder names (excluding the extension)  
are shown on the display.  
The emphasis is not supported.  
Multisession discs are supported, however, some mul-  
tisession discs may take a long time to load and some  
may not load at all. When burning CDs we recom-  
mend that you use a single-session (disc-at-once), and  
select Disc Close.”  
Normally, the music in the audio session of a CD  
Extra disc is played. However, you can set the  
DX-7555 so that it plays any MP3 les in the data ses-  
sion of a CD-R/RW disc instead. If the data session  
contains no MP3 tracks, the audio session will be  
played regardless.  
The following ID3 tags are supported: versions 1.0/  
1.1 and 2.2/2.3/2.4. Version 2.5 and later are not sup-  
ported. Normally, version 2.2/2.3/2.4 tags have prior-  
ity and will be displayed regardless of the ID3 VER 1  
preference on page 21.  
For ID3 version 2 tags, information contained in the  
beginning of the le are recognized. We recommend  
that you include only title, artist name, and album  
name information in ID3 tags. Compressed,  
encrypted, and unsynchronized ID3 tags cannot be  
displayed.  
Some MP3 les may have ID3 tags whose information  
can be displayed no longer than 31 characters.  
Notes:  
With CD-ROM, CD-R, and CD-RW discs that contain  
many les and folders, and les other than MP3s, it  
may take a long time to read the disc. We recommend  
that you include only MP3 les on your discs, use  
about 20 folders, and limit folder nesting to three lev-  
els deep.  
• In this manual, MP3 files are referred to as tracks.  
• Likewise, folders (directories) are referred to as  
groups.  
About Playing Copy-controlled CDs  
Some copy-controlled CDs may not conform to the of-  
cial CD standard. These special discs may not play  
properly on the DX-7555.  
Dont load discs that are not audio discs (e.g., CD-  
ROMs designed for use with computers), as these may  
damage your speakers or amplier.  
24  
 
Troubleshooting  
If you have any trouble using the DX-7555, look for a solution here. If you cant resolve the issue yourself, contact your  
Onkyo dealer.  
Power  
Cant turn on the DX-7555.  
Make sure that the power cord is properly plugged into the wall outlet (page 12).  
Unplug the power cord from the wall outlet, wait ve seconds or more, then plug it in again.  
While the DX-7555 is in Standby state, you can turn the power on by pressing the ON button on the remote controller.  
Audio  
Theres no sound.  
The DX-7555 is not connected properly. Check all connections and correct as necessary.  
The wrong input source is selected on your amplier. Check your ampliers input source setting. Refer to your  
ampliers manual.  
If the DIGI OUT is set to OFF in the SETUP menu, no digital audio output is available (page 20).  
CD  
Cant play a CD.  
The disc is upside down. Load the disc with the label-side facing up (page 12).  
The disc is dirty. Remove the disc and clean it (page 23).  
Condensation has formed inside the DX-7555. Remove the disc and leave the DX-7555 turned on for several hours  
until the condensation has evaporated.  
The disc is nonstandard. See Supported Discson page 23.  
The CD-R/RW disc is nonstandard. See Supported Discson page 23.  
CD playback skips.  
Install the DX-7555 somewhere free of vibration.  
The disc is dirty. Remove the disc and clean it (page 23).  
The disc is very scratched. Replace the disc.  
Cant enter track numbers for memory playback.  
No such track on the CD. Enter another number (page 17).  
It takes a long time to locate certain tracks.  
The disc is dirty. Remove the disc and clean it (page 23).  
The disc is very scratched. Replace the disc.  
SETUP  
Cant nd a SETUP menu in need.  
If any track has been selected even when the DX-7555 is stopped, you must place it into the full stop state by pressing  
the [ ] button before you can view all the SETUP menus.  
Remote Controller  
The remote controller does not work.  
There are no batteries in the remote controller. Install new batteries (page 9).  
The batteries are at. Replace with new batteries (page 9).  
The batteries are installed incorrectly. Check the batteries and correct as necessary (page 9).  
Youre not pointing the remote controller at the DX-7555s remote sensor. Point the remote controller at the  
DX-7555s remote sensor (page 9).  
Youre too far away from the DX-7555. Use the remote controller closer to the DX-7555 (page 9). The remote con-  
troller has a range of approximately 5 meters (16 ft.).  
A strong light source is interfering with the DX-7555s remote sensor. Make sure that the DX-7555 is not subjected  
to direct sunshine or inverter-type uorescent lights. Relocate if necessary.  
If the DX-7555 is installed in a cabinet with colored glass doors, the remote controller may not work reliably when  
the doors are closed. Open the doors, or use a cabinet without colored glass.  
25  
 
Troubleshooting—Continued  
does not work.  
Theres no RCA/phono analog audio connection. To use  
you must make an analog audio connection (RCA/phono)  
between the DX-7555 and your Onkyo AV receiver, even if they are connected digitally.  
I Meaning of Displayed Messages  
NO DISC:  
No disc is loaded; otherwise disc reading has failed.  
FULL:  
An attempt was made to store more than 25 tracks in memory.  
The DX-7555 contains a microcomputer for signal processing and control functions. In very rare  
situations, severe interference, noise from an external source, or static electricity may cause it to  
lockup. In the unlikely event that this should happen, unplug the power cord, wait at least 10  
seconds, and then plug it again.  
Onkyo is not responsible for damages (such as CD rental fees) due to unsuccessful recordings  
caused by the units malfunction. Before you record important data, make sure that the material  
will be recorded correctly.  
26  
 
Specications  
Signal readout:  
Frequency response:  
SN ratio:  
Optical non-contact  
2 Hz20 kHz  
111 dB  
Audio dynamic range:  
THD (total harmonic distortion):  
Audio output  
100 dB  
0.0027%  
Digital optical:  
22.5 dBm  
Audio output/Impedance  
Digital coaxial:  
Audio output/Impedance  
Analog:  
0.575 p-p, 75 Ω  
2.0 V (rms), 470 Ω  
Power supply:  
AC 230-240 V, 50 Hz  
AC 220-230 V, 50/60 Hz  
AC 120 V, 60 Hz  
16.0 W  
0.2 W  
435 × 111 × 405 mm  
8.0 kg  
Power consumption:  
Standby power consumption:  
Dimensions (W × H × D):  
Weight:  
Operation condition  
Temperature, humidity:  
Supported discs:  
535 °C, 585% (no condensation)  
CD, CD-R, CD-RW, MP3  
(Discs that have not been properly nalized may only be  
partially playable or not playable at all.)  
Specications and features are subject to change without notice.  
27  
 
Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN  
Tel: 072-831-8023 Fax: 072-831-8124  
ONKYO U.S.A. CORPORATION  
18 Park Way, Upper Saddle River, N.J. 07458, U.S.A.  
Tel: 201-785-2600 Fax: 201-785-2650 http://www.us.onkyo.com/  
ONKYO EUROPE ELECTRONICS GmbH  
Liegnitzerstrasse 6, 82194 Groebenzell, GERMANY  
Tel: +49-8142-4401-0 Fax: +49-8142-4401-555 http://www.eu.onkyo.com/  
ONKYO EUROPE UK Office  
Suite 1, Gregories Court, Gregories Road, Beaconsfield, Buckinghamshire, HP9 1HQ  
UNITED KINGDOM Tel: +44-(0)1494-681515 Fax: +44(0)-1494-680452  
HOMEPAGE  
ONKYO CHINA LIMITED  
Units 2102-2107, Metroplaza Tower I, 223 Hing Fong Road, Kwai Chung,  
N.T., HONG KONG Tel: 852-2429-3118 Fax: 852-2428-9039  
D0510-1  
SN 29344106  
(C) Copyright 2005 ONKYO CORPORATION Japan. All rights reserved.  
* 2 9 3 4 4 1 0 6 *  
 

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