Onkyo TX-8255 User Manual
Stereo Receiver
TX-8255
Instruction Manual
Contents
Introduction.................................... 2
Connections................................. 12
Thank you for purchasing an Onkyo Stereo Receiver.
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 Stereo Receiver.
Please retain this manual for future reference.
Enjoying Audio Sources.............. 19
Others
Troubleshooting ..............................31
Specifications..................................33
E
n
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS APPARATUS
TO RAIN OR MOISTURE.
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.
Important Safety Instructions
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in
accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as
radiators, heat registers, stoves, or other apparatus
(including amplifiers) that produce heat.
9. Do not defeat the safety purpose of the polarized or
grounding-type plug. A polarized plug has two
blades with one wider than the other. A grounding
type plug has two blades and a third grounding
prong. The wide blade or the third prong are
provided for your safety. If the provided plug does
not fit into your outlet, consult an electrician for
replacement of the obsolete outlet.
10. Protect the power cord from being walked on or
pinched particularly at plugs, convenience
receptacles, and the point where they exit from the
apparatus.
11. Only use attachments/accessories specified by the
manufacturer.
12. Use only with the cart,
stand, tripod, bracket, or
table specified by the
manufacturer, or sold with
the apparatus. When a cart
is used, use caution when
moving the cart/apparatus
combination to avoid injury
from tip-over.
13. Unplug this apparatus during lightning storms or
when unused for long periods of time.
14. Refer all servicing to qualified service personnel.
Servicing is required when the apparatus has been
damaged in any way, such as power-supply cord or
plug is damaged, liquid has been spilled or objects
have fallen into the apparatus, the apparatus has
been exposed to rain or moisture, does not operate
normally, or has been dropped.
PORTABLE CART WARNING
S3125A
WARNING
RISK OF ELECTRIC SHOCK
DO NOT OPEN
The lightning flash with arrowhead symbol, within an
equilateral triangle, is intended to alert the user 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 the user to the presence of important
operating and maintenance (servicing) instructions in
the literature accompanying the appliance.
AVIS
RISQUE DE CHOC ELECTRIQUE
NE PAS
OUVRIR
15. Damage Requiring Service
Unplug the apparatus from the wall outlet and refer
servicing to qualified service personnel under the
following conditions:
A. When the power-supply cord or plug is
damaged,
B. If liquid has been spilled, or objects have fallen
into the apparatus,
C. If the apparatus has been exposed to rain or
water,
D. If the apparatus does not operate normally by
following the operating instructions. Adjust only
those controls that are covered by the operating
instructions as an improper adjustment of other
controls may result in damage and will often
require extensive work by a qualified technician
to restore the apparatus to its normal operation,
E. If the apparatus has been dropped or damaged in
any way, and
F . When the apparatus exhibits a distinct change in
performance this indicates a need for service.
16. Object and Liquid Entry
Never push objects of any kind into the apparatus
through openings as they may touch dangerous
voltage points or short-out parts that could result in
a fire or electric shock.
The apparatus shall not be exposed to dripping or
splashing and no objects filled with liquids, such as
vases shall be placed on the apparatus.
Don’t put candles or other burning objects on top of
this unit.
17. Batteries
Always consider the environmental issues and
follow local regulations when disposing of batteries.
18. If you install the apparatus in a built-in installation,
such as a bookcase or rack, ensure that there is
adequate ventilation.
Leave 20 cm (8") of free space at the top and sides
and 10 cm (4") at the rear. The rear edge of the shelf
or board above the apparatus shall be set 10 cm (4")
away from the rear panel or wall, creating a flue-like
gap for warm air to escape.
2
Precautions
1. Recording Copyright
only, recording copyrighted material is illegal
without the permission of the copyright holder.
2. AC Fuse
serviceable. If you cannot turn on the unit, contact
your Onkyo dealer.
3. Care —Occasionally 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
detergent and water. Dry the unit immediately
afterwards with a clean cloth. Don’t use abrasive
cloths, thinners, alcohol, or other chemical solvents,
because they may damage the finish or remove the
panel lettering.
4. Power
WARNING
BEFORE PLUGGING IN THE UNIT FOR THE
FIRST TIME, READ THE FOLLOWING
SECTION CAREFULLY.
AC outlet voltages vary from country to country.
Make sure that the voltage in your area meets the
voltage requirements printed on the unit’ s rear panel
(e.g., AC 230, 50 Hz or AC 120 V, 60 Hz).
The power cord plug is used to disconnect this unit
from the AC power source. Make sure that the plug
is readily operable (easily accessible) at all times.
Some models have a voltage selector for
compatibility with power systems around the world.
Before you plug in such a model, make sure that the
voltage selector is set to the correct voltage for your
area.
Pressing the [ON/STANDBY] button to select
Standby mode does not fully shutdown the unit. If
you do not intend to use the unit for an extended
period, remove the power cord from the AC outlet.
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
• Do not leave rubber or plastic items on this unit
• This unit’s top and rear panels may get warm
• If you do not use this unit for a long time, it may
—The AC fuse inside the unit is not user-
packaging to pack it how it was when you
originally bought it.
for a long time, because they may leave marks on
the case.
after prolonged use. This is normal.
not work properly the next time you turn it on, so
be sure to use it occasionally.
—Unless it’s for personal use
For U.S. models
FCC Information for User
CAUTION:
The user changes or modifications not expressly
approved by the party responsible for compliance could
void the user’s authority to operate the equipment.
NOTE:
This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the
user is encouraged to try to correct the interference by
one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and
receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
For Canadian Models
NOTE:
COMPLIES WITH CANADIAN ICES-003.
For models having a power cord with a polarized plug:
CAUTION:
MATCH WIDE BLADE OF PLUG TO WIDE SLO T,
FULL Y INSERT.
THIS CLASS B DIGITAL APPARATUS
TO PREVENT ELECTRIC SHOCK,
Modèle pour les Canadien
REMARQUE:
LA CLASSE B EST CONFORME À LA NORME
NMB-003 DU CANADA.
Sur les modèles dont la fiche est polarisée:
ATTENTION:
ÉLECTRIQUES, INTRODUIRE LA LAME LA PLUS
LARGE DE LA FICHE DANS LA BORNE
CORRESPONDANTE DE LA PRISE ET POUSSER
JUSQU’AU FOND.
CET APPAREIL NUMÉRIQUE DE
POUR ÉVITER LES CHOCS
3
Precautions —Continued
For British models
Replacement and mounting of an AC plug on the power
supply cord of this unit should be performed only by
qualified service personnel.
IMPORTANT
The wires in the mains lead are coloured in accordance
with the following code:
Blue: Neutral
Brown: Live
As the colours of the wires in the mains lead of this
apparatus may not correspond with the coloured
markings identifying the terminals in your plug,
proceed as follows:
The wire which is coloured blue must be connected to
the terminal which is marked with the letter N or
coloured black.
The wire which is coloured brown must be connected to
the terminal which is marked with the letter L or
coloured red.
IMPORTANT
The plug is fitted 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.
If the power cord’s plug is not suitable for your socket
outlets, cut it off and fit a suitable plug. Fit a suitable
fuse in the plug.
For European Models
Table of Contents
Introduction
Important Safety Instructions ........................... 2
Precautions.........................................................3
Table of Contents...............................................4
Supplied Accessories........................................5
Installing the Batteries...........................................5
Features .............................................................. 5
Getting to Know the Receiver...........................6
Front Panel............................................................6
Rear Panel.............................................................8
Display...................................................................9
Remote Controller............................................10
Using the Remote Controller...............................11
Connections
Connecting Your Speakers ............................. 12
Speaker Connection Precautions........................12
Connecting the Speaker Cables..........................12
Connecting Antenna........................................13
Connecting the Indoor FM Antenna.....................13
Connecting the AM Loop Antenna.......................13
Connecting an Outdoor FM Antenna...................14
Connecting an Outdoor AM Antenna...................14
Connecting Your Components .......................15
Connecting a Turntable.......................................15
Connecting a CD Player......................................15
Connecting a Recording Component ..................16
Connecting a Remote Interactive Dock (RI Dock).....16
Connecting a DVD Player....................................16
Connecting a TV or Other Component with an Audio
Output.............................................................17
Connecting Components..............................17
Connecting the Power Cords of Other
Components ............................................... 18
Connecting the Power Cord ................................18
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
Enjoying Audio Sources
Turning On the Receiver ................................. 19
Turning On and Standby .....................................19
Changing the Input Display .................................19
Enjoying Audio Sources..................................20
Muting the receiver (remote controller only)........21
Using Headphones..............................................21
Setting the Display Brightness.............................21
Using the Sleep Timer (remote controller only)...21
Using the Tone and Balance Controls.................22
Recording ......................................................... 23
Recording the Input Source.................................23
Listening to the Radio ..................................... 25
AM Frequency Step Setup (not North America and
Europe)...........................................................25
Listening to AM/FM Stations................................25
Using RDS (European Models Only)................... 27
Naming Preset Channels (other than European
model).........................................................29
Entering a Name..................................................29
Correcting a Character........................................29
Connecting Components not Reached by the
Remote Controller Signals (IR IN/OUT).....30
If Remote Controller Signal Does not Reach the
Receiver Remote Sensor................................30
If Remote Controller Signal Does not Reach Other
Components ...................................................30
Others
Troubleshooting...............................................31
Specifications...................................................33
4
Supplied Accessories
Make sure you have the following accessories:
Remote controller and two batteries (AA/R6)
Indoor FM antenna
AM loop antenna
* In catalogs and on packaging, the letter at the end of the
product name indicates the color. Specifications and
operation are the same regardless of color.
Installing the Batteries
Detach the battery cover by pressing the
1
tab and pulling up the cover.
Insert two AA-size batteries into the
2
battery compartment.
Carefully follow the polarity diagram (positive +
and negative - symbols) inside the battery
compartment.
Notes:
• If the remote controller doesn’t work reliably, try
replacing the batteries.
• Don’t 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.
• Expired batteries should be removed as soon as
possible to prevent damage from leakage or
corrosion.
Features
❑
Newly Designed, Brushed Hairline Aluminum
Front Panel
❑
50 Watts/Channel @ 8 ohms (FTC)
(North American model)
❑
90 Watts/Channel @ 4 ohms (IEC)
(European and Australian model)
❑
WRAT (Wide Range Amplifier Technology)
❑
High-Current, Low-Impedance Drive
❑
Discrete Output Stage Circuitry
❑
5 Audio Inputs (CD, TAPE 1, TAPE 2, LINE 1/
DVD, LINE 2) and 2 Outputs
❑
Phono Input
❑
Speaker A/B T erminals
❑
RDS (PS/PTY/RT/TP) (European model)
❑
IR Input/Output
❑
Banana Plug-Compatible Speaker Posts
(North American model)
❑
Compatible with RI Dock for the iPod
After batteries are installed and seated
3
correctly, attach the compartment cover.
5
Getting to Know the Receiver
Front Panel
North American Model
157 98 J2 3 4 6
PR KQ NLMO
Other Models
157 98 J2 3 4 6
* The name of the buttons and other controls varies according to the shipping destination. For details,
refer to the description on the next page.
PR KQ NLMO
6
Getting to Know the Receiver —Continued
Some button number sections (such as
contain multiple button descriptions because the name
and function vary according to the model or shipping
destination. Refer to the description corresponding to
your model.
For detailed information, see the pages in parentheses.
A
ON/STANDBY button (19)
Sets the receiver to On or Standby.
B
SPEAKERS A and B switches (20)
Turn speaker sets A and B on or off.
C
Remote-control sensor (11)
Receives control signals from the remote controller.
D
DISPLAY (27)
Displays various information about the currently
selected input source.
E
TUNING UP/DOWN buttons (25, 28)
Used for radio tuning.
F
DIRECT TUNING button (26)
When you know the frequency for the station you
want to listen to, you can select the station by
entering the frequency directly using this button and
number buttons. When SAT RADIO is selected, you
can select the channel number.
G
CHARACTER button
Used to label the FM or AM station preset number.
RT/PTY/TP button (28)
On the European model, this is the RT/PTY/TP
button, and it’s used with RDS (Radio Data
System). See “Using RDS (European Models
Only)” on page 27.
7
and
9
)
H
Number buttons (26, 29)
Used to select a station by entering the frequency
directly or to enter characters to label the station
preset number.
I
DIMMER button (21)
Adjusts the display brightness.
SCAN button (28)
Used to find a station in RDS broadcasting.
J MASTER VOLUME control (20)
Sets the volume of the receiver.
K BALANCE control (22)
This control is for adjusting the sound level balance
between the left and right channel for speakers and
headphones.
L TREBLE control (22)
This control is for adjusting the level of treble
sounds.
M BASS control (22)
This control is for adjusting the level of bass
sounds.
N TUNING MODE button (25, 26)
Selects the Auto or Manual tuning mode for AM
and FM radio.
O MEMORY button (26)
Used when storing or deleting radio presets.
P Input selector buttons (20, 23)
Used to select the input sources.
The TAPE 2 MONITOR button is also used to
monitor the recorded sound.
Q STANDBY indicator (19)
Lights up when the receiver is on Standby and
flashes while a signal is being received from the
remote controller.
R PHONES jack (21)
This 1/4-inch phone jack is for connecting a
standard pair of stereo headphones for private
listening.
7
Getting to Know the Receiver—Continued
Rear Panel
1 5432
67 8 9 J K L
A REMOTE CONTROL jacks
These (Remote Interactive) jacks can be
connected to the jacks on your other Onkyo
audio components. The receiver’s remote controller
can then be used to control all of your components.
To use , you must make an analog audio
connection between the receiver and each
component.
B IR IN/OUT
A commercially available IR receiver can be
connected to the IR IN jack, allowing you to control
the receiver when it’s out of sight, for example,
installed in a cabinet.
A commercially available IR emitter can be
connected to the IR OUT jack to pass IR (infrared)
remote control signals along to other components.
C AM ANTENNA
These push terminals are for connecting an AM
antenna.
D FM ANTENNA
This jack is for connecting an FM antenna.
E AC OUTLET
This switched AC outlet can be used to supply
power to another component. The type of outlet
depends on the country in which you purchased
your receiver.
F PHONO (MM) input and grounding terminal
This analog audio input is for connecting a turntable
with a moving-magnet cartridge. The screw located
on the upper-right of the PHONO (MM) inputs is
for connecting a turntable’s ground wire.
G CD input
This analog audio input is for connecting a CD
player’s analog audio output.
H TAPE 1/2 IN/OUT
This analog audio input and output are for
connecting a recorder with an analog audio input
and output, such as a cassette deck, MD recorder,
etc.
I LINE 1/DVD
This analog audio input is for connecting a
component’s analog audio output (DVD, RI Dock,
etc.).
J LINE 2 input
This analog audio input is for connecting a
component’s analog audio output (TV, etc.).
K SPEAKERS A
These terminal posts are for connecting speaker
set A.
L SPEAKERS B
These terminal posts are for connecting speaker
set B.
See pages 12–18 for hookup information.
8
Getting to Know the Receiver—Continued
Display
21
4
For detailed information, see the pages in parentheses.
1 A and B speaker indicators
Indicator A lights up when speaker set A is on.
Indicator B lights up when speaker set B is on.
2 MUTING indicator
Flashes while the receiver is muted.
3 Radio indicators
TUNED: Lights up when tuned to a radio station.
AUTO: For AM and FM radio, lights up when Auto
Tuning is selected, and disappears when Manual
Tuning mode is selected.
RDS (European models only): Lights up when
tuned to a radio station that supports RDS (Radio
Data System).
MEMORY: Lights up when presetting radio
stations.
FM STEREO: Lights up when tuned to a stereo
FM station.
3
5
4 SLEEP indicator
Lights up when the Sleep function has been set.
5 Message area
Displays various information about the selected
input source.
9
Remote Controller
For detailed information, see the pages in parentheses.
1
7
2
8
9
3
J
4
5
K
L
M
N
O
P
Q
6
R
A STANDBY/ON button (19)
Sets the receiver to On or Standby.
B SLEEP button (21)
Used with the Sleep function.
C INPUT SELECTOR buttons (20) and number
buttons (26)
When any of these buttons is pressed, the input
source will be changed to the one shown below the
button. The button with no label does not work for
input source selection. After the DIRECT TUNING
button is pressed, these buttons work as number
button for about 5 seconds. During this time, the
buttons can be used to select AM and FM radio
stations and satellite radio channels directly.
D CLR button (25)
Used to enter the station frequency directly or
cancel the number entry.
E HDD PLAYLIST [ ]/[ ] buttons
Selects a playlist stored on the player on an HDD
component.
F CD operation buttons
RANDOM: Used with the random playback
function.
REPEAT: Used with the repeat playback functions.
DISC SKIP: Switches the disc loaded when the CD
changer is connected.
[ ]: Suspends playback on a CD.
[ ]: Stops playback on a CD.
[ ]: Starts playback on a CD.
G DIMMER button (21)
Adjusts the display brightness.
H DISPLAY button (27)
Displays various information about the selected
input source.
I TUNING [ ]/[ ] buttons (25)
When AM or FM is selected, the TUNING UP
[ ]/DOWN [ ] buttons are used for radio tuning.
J PRESET [ ]/[ ] buttons (26)
Used to select radio presets.
K DIRECT TUNING button (26)
When you know the frequency for the station you
want to listen to, you can select the station by
entering the frequency directly using this button and
number buttons. When SAT RADIO is selected, you
can select the channel number.
L HDD ALBUM [ ]/[ ] buttons
Selects an album stored on the player on an HDD
component.
10
Remote Controller—Continued
M Previous and Next [ ]/[ ] buttons
These buttons are used to select the previous or next
track on an HDD component. Pressing them
repeatedly selects earlier or later tracks. On a
cassette deck, they’re used for rewind and fast
forward.
N Reverse and Fast Forward [ ]/[ ] buttons
These buttons are used for reverse and fast forward
on an HDD component.
O DECK A/HDD (DOCK) buttons
Pause [ ]/Reverse Pla y [ ]: Suspends playback
on an HDD component; starts reverse playback on a
cassette deck.
Play [ ]: Starts playback on an HDD or cassette
component.
Stop [ ]: Stops playback on an HDD or cassette
component.
P DECK B buttons
On twin cassette decks, only deck B can be
controlled.
Play [ ]: Starts playback.
Stop [ ]: Stops playback.
Reverse Play [ ]: Starts reverse playback.
Q MUTING button (21)
Mutes or unmutes the receiver.
R VOLUME [ ]/[ ] buttons (20)
Adjusts the volume of the receiver re g ardless of the
currently selected remote controller mode.
Using the Remote Controller
Point the remote controller toward the remote control
sensor.
Remote control sensor
About 5 m
(16 feet)
Notes:
• The remote controller may not work reliably if the
receiver is subjected to bright light, such as direct
sunlight or inverter-type fluorescent lights. Keep this
in mind when installing.
• If another remote controller of the same type is used
in the same room, or the receiver is installed close to
equipment that uses infrared rays, the remote
controller may not work reliably.
• Don’t put anything, such as a book, on the remote
controller, because the buttons may be pressed
inadvertently, thereby draining the batteries.
• The remote controller may not work reliably if the
receiver is installed in a rack behind colored glass
doors. Keep this in mind when installing.
The remote controller will not work if there’s an obstacle
between it and the receiver’s remote control sensor.
11
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