Sony Group HT1 Stereo Transmitter User Manual

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Document ID	407876
Application ID	shsg/OJJ7CLyGMRo5dfE7A==
Document Description	User Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	62.26kB (778214 bits)
Date Submitted	2004-03-24 00:00:00
Date Available	2004-03-23 00:00:00
Creation Date	2004-01-20 09:04:16
Producing Software	Acrobat Distiller 5.0.5 (Windows)
Document Lastmod	2004-01-23 20:10:35
Document Title	MHC-GX750/GX450/GX250/RG555/RG551S/RG444S/ RG441/RG333/RG222/ RG221/RG121/RG100 /RX550
Document Creator	FrameMaker 6.0
Document Author:	Sony Corporation

4-252-491-12(1)
Mini Hi-Fi
Component
System
Operating Instructions
Owner’s Record
The model and serial numbers are located on the rear of the unit. Record the serial number
in the space provided below. Refer to them whenever you call upon your Sony dealer
regarding this product.
Model No. ______________
Serial No. ______________
MHC-GX750/GX450/GX250
MHC-RG555/RG551S/RG444S/
RG441/RG333/RG222/
RG221/RG121/RG100
MHC-RX550
©2004 Sony Corporation
WARNING
WARNING
To prevent fire or shock hazard, do not
expose the unit to rain or moisture.
To prevent fire, do not cover the ventilation of the
apparatus with news papers, table-cloths, curtains, etc.
And don’t place lighted candles on the apparatus.
To prevent fire or shock hazard, do not place objects
filled with liquids, such as vases, on the apparatus.
Do not install the appliance in a confined space,
such as a bookcase or built-in cabinet.
This appliance is
classified as a CLASS 1
LASER product. This
marking is located on the
rear exterior.
Don’t throw away the battery with
general house waste, dispose of it
correctly as chemical waste.
NOTICE FOR THE CUSTOMERS IN THE
U.S.A.
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.
CAUTION
You are cautioned that any changes or modifications
not expressly approved in this manual could void your
authority to operate this equipment.
Note to CATV system installer:
This reminder is provided to call the CATV system
installer’s attention to Article 820-40 of the NEC that
provides guidelines for proper grounding and, in
particular, specifies that the cable ground shall be
connected to the grounding system of the building, as
close to the point of cable entry as practical.
NOTICE FOR THE CUSTOMERS IN CANADA
This symbol 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.
This symbol is intended to alert the
user to the presence of important
operating and maintenance (servicing)
instructions in the literature
accompanying the appliance.
CAUTION
The use of optical instruments with this product will
increase eye hazard.
2GB
CAUTION
TO PREVENT ELECTRIC SHOCK, MATCH WIDE
BLADE OF PLUG TO WIDE SLOT, FULLY
INSERT.
CAUTION
The use of optical instruments with this product will
increase eye hazard.
NOTICE FOR THE CUSTOMERS IN THE
U.S.A. (MHC-GX750 only)
If you have any questions about this product, you may
call;
Sony Customer Information Service Center
1-800-222-7669 or http://www.sony.com/
The Number below is for the FCC related matters only.
Regulatory Information
Declaration of Conformity
Trade Name:
SONY
Model No.:
HCD-GX750
Responsible Party:Sony Electronics Inc.
Address:
16450 W. Bernardo Dr, San
Diego, CA 92127 U.S.A.
Telephone No.: 858-942-2230
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two
conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any
interference received, including interference that
may cause undesired operation.
NOTICE FOR THE CUSTOMERS IN THE
CANADA (MHC-GX750 only)
Operation is subject to the following two conditions:
(1) this device may not cause interference, and (2) this
device must accept any interference, including
interference that may cause undesired operation of the
device.
Son utilisation est autorisée seulement aux conditions
suivantes: (1) il ne doit pas produire de brouillage et (2)
l’utilisateur du dispositif doit être prêt à accepter tout
brouillage radioeléctrique reçu, même si ce brouillage
est susceptible de compromettre le fonctionnement du
dispositif.
NOTICE FOR THE CUSTOMERS IN THE
U.S.A AND CANADA (MHC-GX750 only)
Replace the AC power adaptor with model
AC-GSX100 only, if replacement is necessary.
Except for European model
ENERGY STAR® is a U.S.
registered mark. As an ENERGY
STAR® partner, Sony Corporation
has determined that this product
meets the ENERGY STAR®
guidelines for energy efficiency.
3GB
Table of Contents
How to use this manual........................... 5
Playable discs.......................................... 5
Getting Started
Hooking up the system............................ 7
Setting the clock.................................... 10
CD/MP3 – Play
Loading a disc ....................................... 11
Playing a disc ........................................ 11
— Normal Play/Shuffle Play
Playing repeatedly................................. 13
— Repeat Play
Creating your own program .................. 14
— Program Play
Tuner
Presetting radio stations ........................ 15
Listening to the radio ............................ 16
— Preset Tuning
— Manual Tuning
Using the Radio Data System (RDS).... 17
(European model only)
Tape – Play
Loading a tape....................................... 18
Playing a tape........................................ 18
Tape – Recording
Recording your favorite CD tracks on a
tape.................................................. 19
— CD-TAPE Synchro Recording
Recording on a tape manually............... 20
— Manual Recording
Sound Adjustment
Adjusting the sound .............................. 21
Using the sub woofer ............................ 21
(MHC-GX750/GX450/RG551S/
RG444S/RX550 only)
Selecting the sound effect ..................... 22
Adjusting the graphic equalizer and
storing ............................................. 22
4GB
Selecting the surround effect ................ 23
Enhancing video game sound ............... 23
— Game Sync
Mixing video game sound with other
sound source................................... 23
— Game Mixing
Singing along........................................ 24
(MHC-RG555 only)
Timer
Falling asleep to music ......................... 25
— Sleep Timer
Waking up to music.............................. 25
— Play Timer
Timer recording radio programs........... 26
— Rec Timer
Display
Turning off the display ......................... 27
— Power Saving Mode
Viewing information about the disc in the
display ............................................ 28
Changing the Power illuminator........... 28
(MHC-GX750/GX450/RG555/
RG551S/RG444S/RG441/
RG333/RX550 only)
Optional Components
Hooking up optional components......... 29
Transmitter ........................................... 30
(MHC-GX750 only)
Troubleshooting
Problems and remedies......................... 33
Messages............................................... 36
Additional Information
Precautions ........................................... 37
Specifications ....................................... 38
List of button locations and reference
pages............................................... 44
How to use this manual
This manual mainly explains operations using
the remote, but the same operations can also be
performed using the buttons on the unit having
the same or similar names.
Playable discs
You can play back the following discs on this
system. Other discs cannot be played back.
List of playable discs
Format of discs
Discs that this system cannot
play
• CD-ROMs
• CD-Rs/CD-RWs other than those recorded in
the following formats:
– music CD format
– MP3 format that conforms to ISO96601)
Level 1/Level 2, Joliet or Multi Session2)
• A disc that has a non-standard shape (e.g.,
card, heart).
• A disc with paper or stickers on it.
• A disc that has the adhesive, cellophane tape,
or a sticker still left on it.
1)
Disc logo
Audio CDs
CD-R/CD-RW
(audio data/MP3
files*)
* MHC-GX750/GX450/RG555/RG551S/RG444S/
RG441/RG333/RG222/RG221/RX550 only
2)
ISO9660 Format
The most common international standard for the
logical format of files and folders on a CD-ROM.
There are several specification levels. In Level 1,
file names must be in the 8.3 format (no more than
eight characters in the name, no more than three
characters in the extension “.MP3”) and in capital
letters. Folder names can be no longer than eight
characters. There can be no more than eight nested
folder levels. Level 2 specifications allow file
names and folder names up to 31 characters long.
Each folder can have up to 8 trees.
For Joliet in the expansion format (file and folder
names can have up to 64 characters) make sure of
the contents of the writing software, etc.
Multi Session
This is a recording method that enables adding of
data using the Track-At-Once method.
Conventional CDs begin at a CD control area called
the Lead-in and end at an area called Lead-out. A
Multi Session CD is a CD having multiple sessions,
with each segment from Lead-in to Lead-out
regarded as a single session.
CD-Extra: This format records audio (audio CD
data) on the tracks in session 1 and data on the tracks
in session 2.
Mixed CD: This format records data on the first
track and audio (audio CD data) on the second and
subsequent tracks of a session.
continued
5GB
Notes on CD-R and CD-RW
• Some CD-Rs or CD-RWs cannot be played
on this system depending upon the recording
quality or physical condition of the disc, or
the characteristics of the recording device.
Furthermore, the disc will not play if it has not
been correctly finalized. For more
information, see the operating instructions for
the recording device.
• Discs recorded on CD-R/CD-RW drives may
not be played back because of scratches, dirt,
recording condition or the driver’s
characteristics.
• CD-R and CD-RW discs recorded in multisession that have not ended by “closing the
session” are not supported.
• The system may be unable to play MP3
format files that do not have the “.MP3”
extension.
• Attempting to play non-MP3 format files that
have the “.MP3” extension may result in noise
or malfunction.
• With formats other than ISO9660 level 1 and
2, folder names or file names may not be
displayed correctly.
• The following discs take a longer time to start
playback.
– a disc recorded with complicated tree
structure.
– a disc recorded in Multi Session.
– a disc to which data can be added (nonfinalized disc).
6GB
Music discs encoded with
copyright protection
technologies
This product is designed to playback discs that
conform to the Compact Disc (CD) standard.
Recently, various music discs encoded with
copyright protection technologies are marketed
by some record companies. Please be aware that
among those discs, there are some that do not
conform to the CD standard and may not be
playable by this product.
Cautions when playing a disc
that is recorded in Multi
Session
• If the disc begins with a CD-DA session, it is
recognized as a CD-DA (audio) disc, and
playback continues until an MP3 session is
encountered.
• If the disc begins with an MP3 session, it is
recognized as an MP3 disc, and playback
continues until a CD-DA (audio) session is
encountered.
• The playback range of an MP3 disc is
determined by the tree structure of files
produced by analyzing of the disc.
• A disc with a mixed CD format will be
recognized as a CD-DA (audio) disc.
Getting Started
Perform the following procedures 1 to 5 to hook up your system using the supplied cords and
accessories. A model equipped with a sub woofer is used for illustration purpose.
Getting Started
Hooking up the system
AM loop antenna
FM lead antenna
Sub woofer*
Front speaker (right)
Front speaker (left)
* MHC-GX750/GX450/RG551S/RG444S/RX550 only
1 Connect the front speakers.
Connect the right and left speaker cords to
the SPEAKER terminals as shown below.
Insert only the stripped portion
Red
2 Connect the sub woofer.
(MHC-GX750/GX450/RG551S/RG444S/
RX550 only)
Connect the speaker cords to the SUB
WOOFER OUT jack and CONTROL jack
as shown below.
SUB WOOFER OUT jack
Red/Solid
(3)
Black/Stripe (#)
–
Black
CONTROL jack
continued
7GB
3 Connect the FM and AM antennas.
Set up the AM loop antenna, then connect
it.
Note
Keep the antennas away from the speaker cords.
4 For models with a voltage selector, set
VOLTAGE SELECTOR to the local
power line voltage.
Refer to the print on your system’s
VOLTAGE SELECTOR for available
settings.
Plug type A
AM loop antenna
* Saudi Arabian model: 120 – 127 V
Extend the FM lead antenna horizontally
Plug type B
5 Connect the power cord to a wall
outlet.
The demonstration appears in the display.
When you press ?/1, the system turns on
and the demonstration automatically ends.
If the plug does not fit the wall socket,
detach the supplied plug adaptor (only for
models equipped with an adaptor).
AM loop antenna
Inserting two R6 (size AA)
batteries into the remote
Extend the FM lead antenna horizontally
Plug type C
AM loop antenna
Note
If you do not use the remote for a long period of time,
remove the batteries to avoid possible damage from
battery leakage and corrosion.
Tip
Extend the FM lead
antenna horizontally
8GB
North American model:
Connect white side.
Other models:
Connect brown side.
With normal use, the batteries should last for about six
months. When the remote no longer operates the
system, replace both batteries with new ones.
Attaching the front speaker
pads
Front speaker (Left (4)/Right (4))
Sub woofer (4)*
To obtain a better bass reproduction, we
recommend you to place the sub woofer on a
solid floor where resonance is unlikely to occur.
Notes
Getting Started
Attach the supplied speaker pads to the bottom
of the speakers to stabilize the speakers and
prevent them from slipping.
Placing the sub woofer
(MHC-GX750/GX450/RG551S/
RG444S/RX550 only)
• Always place the sub woofer vertically, keeping it a
few centimeters away from the wall.
• If the sub woofer is placed in the center of a room, the
bass could be extremely weakened. This is due to the
influence of the standing wave of the room. If this
happens, move the sub woofer away from the center
of the room or eliminate the cause of the standing
wave, by placing a bookshelf against the wall, etc.
* MHC-GX750/GX450/RG551S/RG444S/RX550
only
When carrying this system
Perform the following procedure to protect
the CD mechanism. Use buttons on the unit
for the operation.
Make sure that all discs are removed
from the system.
Hold down CD and then press ?/1 until
“STANDBY” appears.
After a few seconds later, “STANDBY”
disappears and “LOCK” appears.
Unplug the power cord.
9GB
Setting the clock
Use buttons on the remote for the operation.
Press ?/1 to turn on the system.
Press CLOCK/TIMER SET.
Press . or > repeatedly to set the
hour.
Press ENTER.
Press . or > repeatedly to set the
minute.
Press ENTER.
The clock starts working.
To adjust the clock
Press CLOCK/TIMER SET.
Do the same procedures as step 3 to 6
above.
Press . or > repeatedly to select
“CLOCK SET”, then press ENTER.
Notes
• The clock settings are canceled when you disconnect
the power cord or if a power failure occurs.
• You cannot set the clock in Power Saving Mode
(page 27).
10GB
CD/MP3 – Play
Loading a disc
Press Z.
Place a disc with the label side up on
the disc tray.
— Normal Play/Shuffle Play
This system lets you play audio CDs and discs
with MP3 audio tracks.
MP3 audio tracks cannot be played on
MHC-GX250, MHC-RG121 and MHC-RG100.
Example: When a disc is loaded
Disc tray number
Track number
Disc presence indicator
To insert additional discs, press DISC
SKIP/EX-CHANGE to rotate the disc tray.
CD/MP3 – Play
Use buttons on the unit for the operation.
Playing a disc
Playing time
Press CD (or FUNCTION repeatedly) to
switch the function to CD.
Press Z again to close the disc tray.
Notes
• Do not use a disc with tape, seals or paste on it as this
may cause malfunction.
• Do not forcibly press the disc tray closed with your
finger, as this may cause malfunction.
continued
11GB
2
12GB
Press PLAY MODE repeatedly in stop
mode until the mode you want appears
in the display.
Select
To play
ALL DISCS
(Normal Play)
All discs in the disc tray
continuously.
1DISC
(Normal Play)
The tracks on the disc you
have selected in original
order.
ALBM
(Normal Play)
All MP3 audio tracks in the
album on the disc you have
selected in original order.
When playing a non-MP3
disc, Album Play performs
the same operation as 1DISC
Play.
Other operations
To
Do this
Stop play
Press x.
Pause
Press X. Press again to resume
play.
Select a track
Press . or > repeatedly (or
turn l L on the unit).
Select an album
of MP3
Press ALBUM – or + repeatedly
after step 2.
Find a point in a
track*
Keep pressing m or M during
playback and release it at the
desired point.
Select a disc in
stop mode
Press DISC SKIP (or DISC 1 – 3
or DISC SKIP/EX-CHANGE on
the unit).
ALL DISCS
SHUF (Shuffle
Play)
The tracks on all discs in
random order.
Switch to CD
function from
other function
Press DISC 1 – 3 on the unit
(Automatic Source Selection).
1DISC SHUF
(Shuffle Play)
The tracks on the disc you
have selected in random
order.
Exchange other
discs while
playing
Press DISC SKIP/EX-CHANGE
on the unit.
ALBM SHUF
(Shuffle Play)
The MP3 audio tracks in the
album on the disc you have
selected in random order.
When playing a non-MP3
disc, Album Shuffle Play
performs the same operation
as 1DISC SHUF Play.
Remove a disc
Press Z on the unit.
PGM
(Program Play)
The tracks on the disc in the
order you want them to be
played (see “Creating your
own program” on page 14).
Press N.
* You may not be able to search between multiple files.
Also, the time may not be displayed correctly for
some files.
Notes
Playing repeatedly
— Repeat Play
You can play all the tracks or a single track on a
disc repeatedly.
MP3 audio tracks cannot be played on
MHC-GX250, MHC-RG121 and MHC-RG100.
Press REPEAT until “REP” or “REP1”
appears.
CD/MP3 – Play
• You cannot change the play mode during playback.
• Some time may be needed to start playback of discs
recorded in complex configurations such as many
layers.
• When the disc is inserted, the player reads all the
tracks on that disc. If there are many albums or nonMP3 audio tracks on the disc, it may take a long time
for play to begin or for the next MP3 audio track to
start play.
• Do not save unnecessary albums or tracks other than
MP3 ones in the disc to be used for MP3 listening.
We recommend that you do not save other types of
tracks or unnecessary albums on a disc that has MP3
audio tracks.
• An album that does not include an MP3 audio track
is skipped.
• Maximum album number: 150 (including root
folder)
• The maximum number of MP3 audio tracks and
albums that can be contained on a single disc is 255.
• Playback is possible up to 8 levels.
• MP3 audio tracks are played back in the order that
they are recorded on the disc.
• Depending on the encoding/writing software,
recording device, or the recording media used at the
time an MP3 audio track is recorded, you may
encounter such problems as disabled playback,
sound interruptions, and noise.
REP: For all the tracks on a disc up to five times.
REP1: For a single track only.
To cancel Repeat Play
Press REPEAT repeatedly until both “REP” and
“REP1” disappear.
Notes
• You cannot select “REP” and “ALL DISCS SHUF”
at the same time.
• When you select “REP1”, that track is repeated
endlessly until “REP1” is canceled.
13GB
Creating your own
program
To program
Repeat steps
Other tracks on the 4 and 5
same disc
— Program Play
Other tracks on
other discs
3 to 5
You can make a program of up to 25 steps from
all the discs in the order you want to play them.
You can synchro record the programmed tracks
onto a cassette tape (page 19).
MP3 audio tracks cannot be played on
MHC-GX250, MHC-RG121 and MHC-RG100.
To
Do this
Cancel Program
Play
Press PLAY MODE repeatedly
in stop mode until “PGM”
disappears.
Press PLAY MODE repeatedly in stop
mode until “PGM” appears.
Clear a track from
the end
Press CLEAR in stop mode.
Press DISC SKIP (or DISC 1 – 3 or DISC
SKIP/EX-CHANGE on the unit) to select
a disc.
Tips
Press CD (or FUNCTION repeatedly) to
switch the function to CD.
Press . or > repeatedly (or turn
l L on the unit) until the desired
track number appears.
When programming the MP3 audio tracks,
press ALBUM – or + to select album, then
press . or > repeatedly (or turn l
L on the unit) until the desired track
number appears.
Disc tray number
Selected track number
Total playing time (including
selected track)
Press ENTER.
The track is programmed.
The program step number appears,
followed by the total playing time.
14GB
Program additional tracks.
Press N.
Program Play starts.
Other operations
• The program you made remains after Program Play
finishes. To play the same program again, press CD
(or FUNCTION repeatedly) to switch the function to
CD, then press N. However, the program is cleared
when you open the disc tray.
• “– –.– –” appears when the total CD program time
exceeds 100 minutes, or when you select a CD track
whose number is 21 or over, or when you select an
MP3 audio track.
6
Tuner
Presetting radio stations
Automatic tuning preset
You can automatically tune in all of the stations
that can be received in your area and then store
the radio frequency of the desired stations.
Press TUNER BAND (or FUNCTION
repeatedly) to switch the function to
tuner.
Press TUNER BAND repeatedly to
select “FM” or “AM”.
Press ENTER.
Repeat steps 2 through 7 to store other
stations.
Manual tuning preset
You can manually tune in and store the radio
frequency of the desired stations.
Press TUNING MODE repeatedly until
“AUTO” appears in the display.
Press – or + (or TUNING – or + on the
unit).
The frequency changes as the system scans
for a station. Scanning stops automatically
when a station is tuned in. At that time,
“TUNED” and “STEREO” (for an FM
stereo program) appear.
Tuner
You can preset up to 20 FM stations and 10 AM
stations. You can then tune in any of those
stations simply by selecting the corresponding
preset number.
Press – or + (or TUNING – or + on the
unit) repeatedly to select the desired
preset number.
Press TUNER BAND (or FUNCTION
repeatedly) to switch the function to
tuner.
Press TUNER BAND repeatedly to
select “FM” or “AM”.
Press TUNING MODE repeatedly until
“AUTO” and “PRESET” disappear from
the display.
Press – or + (or TUNING – or + on the
unit) repeatedly to tune in the desired
station.
Press TUNER MEMORY.
A preset number appears.
Press – or + (or TUNING – or + on the
unit) repeatedly to select the desired
preset number.
Press ENTER.
Repeat steps 2 through 7 to store other
stations.
Other operations
If “TUNED” does not appear and the
scanning does not stop
Set the frequency of the desired radio
station as described in steps 3 through 8 of
“Manual tuning preset” (page 15).
Press TUNER MEMORY.
A preset number appears.
To
Do this
Tune in a station
with a weak signal
Follow the procedure described
in “Manual tuning preset”
(page 15).
Set another station
to the existing
preset number
Start over from step 2. After
step 5, press – or + (or TUNING
– or + on the unit) repeatedly to
select the preset number you
want to store the other station.
Preset number
continued
15GB
To change the AM tuning interval
(except for European, Russian
and Saudi Arabian models)
The AM tuning interval is factory-preset to
9 kHz (or 10 kHz for some areas). To change the
AM tuning interval, tune in any AM station first,
then turn off the system. While holding
TUNING MODE on the unit, press ?/1 on the
unit. When you change the interval, all the AM
preset stations are erased. To reset the interval,
repeat the same procedure.
Listening to the radio
You can listen to a radio station either by
selecting a preset station, or by manually tuning
in the station.
Listening to a preset station
— Preset Tuning
Note
Preset radio stations in the tuner’s memory first
(see “Presetting radio stations” on page 15).
You cannot change the AM tuning interval in Power
Saving Mode (page 27).
Tips
• The preset stations are retained for about a day even
if you disconnect the power cord or if a power failure
occurs.
• To improve broadcast reception, adjust the supplied
antennas, or connect a commercially available
external antenna.
Press TUNER BAND (or FUNCTION
repeatedly) to switch the function to
tuner.
Press TUNER BAND repeatedly to
select “FM” or “AM”.
Press TUNING MODE repeatedly until
“PRESET” appears in the display.
Press – or + (or TUNING – or + on the
unit) repeatedly to select the desired
preset station.
Preset number
16GB
Frequency
Listening to non-preset radio
station
Using the Radio Data
System (RDS)
— Manual Tuning
Press TUNER BAND repeatedly to
select “FM” or “AM”.
Press TUNING MODE repeatedly until
“AUTO” and “PRESET” disappear from
the display.
Press – or + (or TUNING – or + on the
unit) repeatedly to tune in the desired
station.
Tips
• To improve broadcast reception, adjust the supplied
antennas, or connect a commercially available
external antenna.
• When an FM stereo program has static noise, press
FM MODE repeatedly until “MONO” appears.
There will be no stereo effect, but the reception will
improve.
• Press TUNING MODE repeatedly until “AUTO”
appears in step 3 above, then press – or + (or
TUNING – or + on the unit). The frequency
indication changes and scanning stops when the
system tunes in a station (Automatic Tuning).
• To record the radio programs, use manual recording
(page 20).
What is the Radio Data
System?
Radio Data System (RDS) is a broadcasting
service that allows radio stations to send
additional information along with the regular
program signal. RDS is available only on FM
stations.*
Tuner
(European model only)
Press TUNER BAND (or FUNCTION
repeatedly) to switch the function to
tuner.
Note
RDS may not work properly if the station you are tuned
in is not transmitting the RDS signal properly or if the
signal is weak.
* Not all FM stations provide RDS service, nor do they
provide the same types of services. If you are not
familiar with the RDS system, check with your local
radio stations for details on RDS services in your
area.
Receiving RDS broadcasts
Simply select a station from the FM band.
When you tune in a station that provides RDS
services, the station name appears in the display.
To check the RDS information
Each time you press DISPLAY, the display
changes cyclically as follows:
Station name1) t Preset number2) and
frequency t Clock display t Effect status
1)
If the RDS broadcast is not properly received, the
station name may not appear in the display.
2)
Preset number is displayed only if you preset radio
stations (page 15).
17GB
Playing a tape
Tape – Play
Loading a tape
You can use TYPE I (normal) tape.
For MHC-RG555
Use buttons on the unit for the operation.
Press TAPE A/B repeatedly to select
deck A or B.
Load a tape.
Press PUSH Z.
Press PLAY MODE repeatedly to select
g to play one side. Select j1) to
play both sides.
Load a recorded/recordable tape in
deck A or B with the side you want to
play/record facing forward.
To play both decks in succession, press
PLAY MODE repeatedly until “RELAY”
(Relay Play)2) appears in the display.
With the side
you want to
play/record
facing
forward.
Press N (or hH on the unit).
The tape starts playing. Press the button
again to play the reverse side.
1)
2)
The tape deck stops automatically after repeating
the sequence five times.
Relay Play always follows this cyclic sequence up
to five times, then stops:
Deck A (front side) t Deck A (reverse side) t
Deck B (front side) t Deck B (reverse side)
For other models
Load a tape.
To play both decks in succession, press
PLAY MODE repeatedly until “RELAY”
(Relay Play)* appears in the display.
Press N.
The tape starts playing.
* After the playback of the front side of deck A, deck
B plays the front side, then stops.
18GB
Other operations
To
Do this
Stop play
Press x.
Pause
Press X. Press again to resume
play.
Fast-forward or
rewind
Press m or M.
Remove a tape
Press PUSH Z on the unit.
Tape – Recording
Recording your favorite
CD tracks on a tape
— CD-TAPE Synchro Recording
You can record a whole CD on a tape.
You can use TYPE I (normal) tape. The
recording level is adjusted automatically.
Use buttons on the unit for the operation.
To go forward
Press > (or turn l L on the unit
clockwise) during forward playback.
“TAPE A (or TAPE B) >>> +1” appears.
Press . (or turn l L on the unit
counterclockwise) during reverse playback.2)
“TAPE A (or TAPE B) <<< +1” appears.
1)
2)
Note
Press CD SYNC.
Deck B stands by for recording.
“REC” flashes.
Tip
When a tape is inserted, corresponding forward (N)/
reverse (n) indicators light. The reverse indicator
lights up only for MHC-RG555.
Press CD and load a disc you want to
record.
If you have already loaded the disc, press
DISC SKIP/EX-CHANGE to select the
disc.
When you want to record an album from an
MP3 disc, be sure to press PLAY MODE
repeatedly to select ALBM, then press
ALBUM – or + to select the desired album
before proceeding.
AMS (Automatic Music Sensor)
MHC-RG555 only
The AMS function may not operate correctly under the
following circumstances:
– When the unrecorded space between songs is less
than 4 seconds long.
– When the system is placed near a television.
(MHC-RG555 only)
Press PLAY MODE repeatedly to select
g to record on one side. Select j
(or RELAY) to record on both sides.
When you want to record from the reverse
side, press hH twice or until the TAPE
B reverse side indicator lights up. Then
press x.
To go back
Press . (or turn l L on the unit
counterclockwise) during forward playback.
“TAPE A (or TAPE B) <<< –1” appears.
Press > (or turn l L on the unit
clockwise) during reverse playback.2)
“TAPE A (or TAPE B) >>> –1” appears.
Load a recordable tape into deck B,
then press TAPE A/B repeatedly to
select deck B.
Tape – Play/Tape – Recording
Searching for the beginning of
the current or the next track
(AMS)1)
Press REC PAUSE/START.
Recording starts.
To stop recording
Press x.
continued
19GB
To record a disc by specifying
track order
You can record only your favorite CD tracks
using Program Play. Between steps 3 and 4,
perform steps 2 to 6 of “Creating your own
program” (page 14).
Tip
For MHC-RG555, if you select both sides recording
and the tape reaches the end of the front side part-way
through a track, the entire track is recorded again from
the beginning of the reverse side.
Recording on a tape
manually
— Manual Recording
You can record just the portions you like from a
CD, tape or radio program on a tape.
You can also record from connected
components (see “Hooking up optional
components” on page 29).
Use buttons on the unit for the operation.
Load a recordable tape into deck B,
then press TAPE A/B repeatedly to
select deck B.
(MHC-RG555 only)
Press PLAY MODE repeatedly to select
g to record on one side. Select j
(or RELAY) to record on both sides.
When you want to record from the reverse
side, press hH twice or until the TAPE
B reverse side indicator lights up. Then
press x.
Press one of the following buttons to
select the desired source to record.
• CD: To record from this system’s CD
player.
• TAPE A/B: To record from this system’s
tape deck A.
• TUNER/BAND: To record from this
system’s tuner.
• GAME: To record from the connected
video game machine to GAME INPUT
AUDIO L/R jacks.
• VIDEO/MD*: To record from the
connected VCR or MD to VIDEO/MD
IN jacks.
* MHC-RG555 only
Press REC PAUSE/START.
Deck B stands by for recording.
“REC” flashes.
Press REC PAUSE/START, then start
playing the desired source to record.
Recording starts.
20GB
To stop recording
Press x.
Note
You cannot listen to other sources while recording.
Sound Adjustment
Adjusting the sound
Tips
• For MHC-RG555, when you record on both sides, be
sure to start from the front side. If you start from the
reverse side, recording stops at the end of the reverse
side.
• For recording from the tuner:
If noise is heard while recording from the tuner,
move the respective antenna to reduce the noise.
You can reinforce the bass and create a more
powerful sound.
Press GROOVE on the unit.
Each time you press the button, the display
changes cyclically as follows:
GROOVE ON* t GROOVE OFF
Using the sub woofer
(MHC-GX750/GX450/RG551S/RG444S/
RX550 only)
Sound Adjustment
* The volume switches to power mode, the equalizer
curve changes, and “GROOVE” lights up.
You can use the sound of the sub woofer to suit
the sound source.
Press SUB WOOFER ON/OFF on the sub
woofer.
The indicator lights up while the sub woofer
turns on. Press the button again to turn off the
sub woofer.
Tip
You can use VOLUME +/– (or VOLUME control on
the unit) to adjust the volume of the sub woofer linked
to the front speakers.
21GB
Selecting the sound effect
Selecting the effect from the
music menu
Press EQ (or PRESET EQ on the unit)
repeatedly to select the preset you desire.
The preset name appears in the display.
See the chart “Sound effect options”.
To cancel the sound effect
Press EFFECT ON/OFF on the unit.
Adjusting the graphic
equalizer and storing
You can adjust the sound by raising or lowering
the levels of specific frequency ranges, then
store up to three personal files (P FILE) in the
memory.
Before operation, first select the audio emphasis
you want for your basic sound.
Use buttons on the unit for the operation.
Sound effect options
“SURR” appears if you select an effect with
surround effects.
EQ
Effect
ROCK
POP
JAZZ
DANCE
SOUL
ORIENTAL
Standard music sources
MOVIE EQ
Soundtracks and special listening
situations
GAME EQ
PlayStation 1, 2 and other video
game music sources
Press EQ BAND repeatedly to select a
frequency band, then turn – EQ + to
adjust the level.
Frequency band
Frequency level
Press and hold P FILE.
A personal file number appears.
Press P FILE repeatedly to select
P FILE 1 – 3 you want to store the
equalizer setting.
Press ENTER.
“COMPLETE” appears.
This setting is automatically stored as the
personal file you selected in step 3.
Other operations
To
Press
Call up a
personal file
P FILE repeatedly to select the
desired personal file number.
Cancel a personal EFFECT ON/OFF repeatedly
file
until “EFFECT OFF” appears.
22GB
Selecting the surround
effect
Mixing video game sound
with other sound source
Press SURROUND on the unit.
— Game Mixing
Each time you press the button, the display
changes as follows:
Use buttons on the unit for the operation.
SURROUND ON (SURR)
You need to connect a video game machine (see
“Hooking up optional components” on page 29).
Press GAME on the unit.
Tips
• In the standby mode, the system automatically turns
on.
• The GAME EQ is automatically selected (page 22).
• These operations cannot be performed in Power
Saving Mode (page 27).
Notes
• If you start recording while Game Mixing is
activated, Game Mixing is canceled. To record the
mixed sound, press GAME MIXING after step 4 of
“Recording on a tape manually” on page 20, and then
press REC PAUSE/START to start the recording.
• The game sound is not output while the tape deck is
performing the AMS operation (page 19).
Sound Adjustment
— Game Sync
Press GAME MIXING.
Each time you press the button, the level of
the game sound changes cyclically as
follows:
MIXING LOW t MIXING MID t
MIXING HIGH t MIXING OFF
SURROUND OFF (off)
Enhancing video game
sound
Select the desired source sound.
Tip
Once Game Mixing is activated, it will remain active
while the power is on even if the source sound is
changed.
23GB
Singing along
(MHC-RG555 only)
You can sing along by connecting an optional
microphone.
Turn MIC LEVEL on the unit to MIN to
turn down the microphone control
level.
Connect an optional microphone to
MIC.
Start playing the music.
Adjust the microphone volume by
turning MIC LEVEL on the unit.
After you have finished
Turn MIC LEVEL on the unit to MIN and
disconnect the microphone from MIC.
Mixing and recording sounds
You can “mix” sounds by playing one of the
components and singing or speaking into a
microphone (not supplied).
The mixed sound can be recorded on a tape.
Use buttons on the unit for the operation.
Prepare the source you want to mix.
Then, load a recordable tape in deck B
and press TAPE A/B repeatedly to
select deck B.
Press PLAY MODE repeatedly to select
g to record on one side. Select j
(or RELAY) to record on both sides.
Press the function button of the source
you want to record (e.g., CD).
When you want to record from TAPE A,
press TAPE A/B repeatedly until TAPE A
is selected.
Press REC PAUSE/START.
Deck B stands by for recording.
“REC” flashes.
Press REC PAUSE/START, and then
start singing, speaking or playing the
desired source.
Recording starts.
24GB
To stop recording
Press x.
Note
Microphone does not function while the tape deck is
performing the AMS operation (page 19).
Tips
• If acoustic feedback (howling) occurs, move the
microphone away from the speakers or change the
direction of the microphone.
• If you want to record your voice through the
microphone only, you can do so by selecting the CD
function and not playing a disc.
• When high level sound signals are input, the system
automatically adjusts the recording level to prevent
distortion of the recorded sound signal (Auto Level
Control function).
Waking up to music
Timer
Falling asleep to music
— Sleep Timer
You can set the system to turn off after a certain
time, so that you can fall asleep to music.
Press SLEEP.
— Play Timer
You can wake up to music at a preset time. Make
sure you have set the clock (see “Setting the
clock” on page 10).
Use buttons on the remote for the operation.
Each time you press the button, the minute
display (the turn-off time) changes cyclically as
follows:
AUTO* t 90MIN t 80MIN t 70MIN
t … t 10MIN t OFF
To
Press
Check the
remaining time*
SLEEP once.
Change the time
to turn off
SLEEP repeatedly to select the
time you want.
Do not set to “AUTO” during Synchro Recording on a
tape.
You can use the Sleep Timer, even if you have not set
the clock.
Press CLOCK/TIMER SET.
Press . or > repeatedly to select
“PLAY SET”, then press ENTER.
Set the time to start playing.
Press . or > repeatedly to set the
hour, then press ENTER.
The minute indication flashes.
Press . or > repeatedly to set the
minute, then press ENTER.
Note
Tip
Press VOLUME +/– to adjust the
volume.
“ON” appears and the hour indication
flashes.
Cancel the Sleep SLEEP repeatedly until “SLEEP
Timer Function OFF” appears.
* You cannot check the remaining time if you select
“AUTO”.
Timer
• CD: Load a disc. To start from a specific
track, make a program (see “Creating
your own program” on page 14).
• Tape: Load a tape with the side you want
to play facing forward.
• Tuner: Tune in the preset radio station
(see “Listening to the radio” on page 16).
* The system automatically turns off in 100 minutes or
after the current disc or tape finishes playing.
Other operations
Prepare the sound source you want to
play.
Set the time to stop playing following
the same procedure as step 5.
Press . or > repeatedly until the
desired sound source appears.
Each time you press the button, the display
changes cyclically as follows:
t TUNER y CD PLAY T
t TAPE PLAY T
continued
25GB
8
Press ENTER.
The type of timer (“PLAY TIMER”), the
start time, the stop time, and the sound
source appear in turn, before the original
display returns.
Timer recording radio
programs
— Rec Timer
Press ?/1 to turn off the system.
Other operations
To
Do this
Check the setting
1 Press CLOCK/TIMER
SELECT.
2 Press . or >
repeatedly until “PLAY
SELECT” appears, then
press ENTER.
Change the setting
Start over from step 1.
Cancel the timer
1 Press CLOCK/TIMER
SELECT.
2 Press . or >
repeatedly until “TIMER
OFF” appears, then press
ENTER.
Notes
You can record a preset radio station from a
specified time.
To timer record, you must first preset the radio
station (see “Presetting radio stations” on
page 15) and set the clock (see “Setting the
clock” on page 10).
Use buttons on the remote for the operation.
Press CLOCK/TIMER SET.
Press . or > repeatedly to select
“REC SET”, then press ENTER.
“ON” appears and the hour indication
flashes.
• You cannot activate the Play Timer and the Rec
Timer at the same time.
• If you use the Play Timer and the Sleep Timer at the
same time, the Sleep Timer has priority.
• If the system is on at the preset time, the Play Timer
will not be activated.
Tip
Tune in the preset radio station (see
“Listening to a preset station” on
page 16).
Set the time to start recording.
Press . or > repeatedly to set the
hour, then press ENTER.
The minute indication flashes.
Press . or > repeatedly to set the
minute, then press ENTER.
The system turns on 15 seconds before the preset time.
Set the time to stop recording following
the same procedure as step 4.
The type of timer (“REC TIMER”), the start
time, the stop time, and the preset radio
station to be recorded (e.g., “TUNER FM
5”) appear in turn, before the original
display returns.
26GB
Load a recordable tape into deck B.
Press ?/1 to turn off the system.
Other operations
To
Do this
Check the setting
1 Press CLOCK/TIMER
SELECT.
2 Press . or >
repeatedly until “REC
SELECT” appears, then
press ENTER.
Change the setting
Start over from step 1.
Cancel the timer
1 Press CLOCK/TIMER
SELECT.
2 Press . or >
repeatedly until “TIMER
OFF” appears, then press
ENTER.
Notes
Turning off the display
— Power Saving Mode
The demonstration display (display window and
buttons lighting and flashing even when the
system power is off) and the clock display can
be turned off to minimize the amount of power
consumed during standby (Power Saving
Mode).
Press DISPLAY repeatedly while the
system is off until the demonstration
display or the clock display disappears.
To cancel Power Saving Mode
Press DISPLAY while the system is off. Each
time you press the button, the display switches
cyclically as follows:
Demonstration display t Clock display* t
No display (Power Saving Mode)
Display
• You cannot activate the Play Timer and the Rec
Timer at the same time.
• If you use the Rec Timer, the Play Timer and the
Sleep Timer at the same time, the Sleep Timer has
priority.
• If the system is on at the preset time, the Rec Timer
will not be activated.
• The volume is reduced to minimum during
recording.
Display
* The clock is displayed only if you set the clock.
Note
You cannot perform the following operations in Power
Saving Mode.
– setting the clock
– changing the AM tuning interval (except for
European, Russian and Saudi Arabian models)
– turning on the system by pressing the function
buttons (e.g., CD)
Tips
• The timer continues to operate in Power Saving
Mode.
• ?/1 indicator lights up even in Power Saving Mode.
27GB
Viewing information
about the disc in the
display
You can check the playing time and remaining
time of the current track or that of the disc.
Checking the remaining time
and titles (CD/MP3)
Press DISPLAY during Normal Play.
Each time you press the button, the display
changes cyclically as follows:
Current track number and elapsed playing time
t Current track number and remaining time1)
t Remaining time of the disc2) t Track title
(disc with MP3 audio tracks3) only) t Album
name (disc with MP3 audio tracks only) t
Clock display (for eight seconds) t Effect
status
1)
2)
3)
“– –.– –” appears when playing back MP3 audio
tracks.
“– –.– –” appears in ALL DISCS, SHUFFLE or
program play mode or when playing back MP3
audio tracks.
When you play back a track with an ID3 tag ver. 1
or ver. 2, the ID3 tag appears. The ID3 tag displays
only the track title information.
Checking the total playing
time and titles (CD/MP3)
Press DISPLAY in stop mode.
Each time you press the button, the display
changes cyclically as follows:
x When a CD/MP3 is in Normal Play mode
TOC display1) or total album number of the
disc2) or total track number of the current
album2) t Album name2) or volume label2) t
Clock display (for eight seconds) t Effect
status
1)
2)
28GB
TOC = Table of Contents; displays current disc
number, total number of tracks on the disc, and total
playing time of the disc.
For discs with MP3 audio tracks, album names or
volume label may not be displayed depending on
the play mode.
x When a CD/MP3 is in Program Play mode
The last track number of the program and the
total playing time t Total track number of the
program (for five seconds) t Volume label*
t Clock display (for eight seconds) t Effect
status
* For discs with MP3 audio tracks
Checking the station name
(TUNER)
Press DISPLAY while listening to the radio.
Each time you press the button, the display
changes cyclically as follows:
Station name1) t Preset number2) and
frequency t Clock display (for eight seconds)
t Effect status
1)
2)
European model only
Preset number is displayed only if you preset radio
stations (page 15).
Notes
• The total playing time is not displayed for a disc with
MP3 audio tracks.
• ID3 tag applies to version 1 and version 2.
• If the MP3 audio track you play back has an ID3 tag,
the ID3 tag information is displayed as a track title.
• In the following cases, elapsed playing time and
remaining time of the track may not be displayed
accurately.
– when an MP3 audio track of VBR (variable bit
rate) is played.
– when fast forward or fast reverse is performed.
• For Russian model, MP3 and ID3 tag information
can be displayed in Russian characters. However,
depending on the encoding/writing software or
recording device, the characters may not be correctly
displayed.
Changing the Power
illuminator
(MHC-GX750/GX450/RG555/RG551S/
RG444S/RG441/RG333/RX550 only)
Press ILLUMINATION on the unit.
Each time you press the button, the power
illuminator changes cyclically as follows:
PATTERN 1 t PATTERN 2 t PATTERN 3
t PATTERN OFF
Optional Components
Hooking up optional components
To enhance your system, you can connect optional components. Refer to the operating instructions
provided with each component. A model equipped with a sub woofer is used for illustration purpose.
Optional video game
machine
From the audio and video output of
the video game machine
ALBUM
MALBUM
UBLA
TV
To the video input of a TV
Optional Components
TUNING
TUNING
A GAME INPUT VIDEO jack
Use a video cable (not supplied) to connect the
video output of the optional video game
machine to this jack.
B GAME INPUT AUDIO L/R jacks
D VIDEO/MD IN jacks
(MHC-RG555 only)
Use audio cords (not supplied) to connect the
audio output of the optional component (such as
VCR or MD deck) to these jacks. You can then
output audio through this system.
Use audio cords (not supplied) to connect the
audio output of the optional video game
machine to these jacks. You can then output
audio through this system.
C VIDEO OUT jack
Use a video cable (not supplied) to connect the
video input of TV to this jack.
From the audio output of the VCR or
MD deck
VCR or MD deck
continued
29GB
Notes
• The video game machine image may appear on the
TV screen even if the system is turned off.
• See “Selecting the surround effect” on page 23 for
video game sound effects.
• If you press GAME on the unit while the system is
off, the system turns on, the function switches to
GAME, and the equalizer also switches to GAME
EQ.
• If you press GAME on the unit while the system is
on, the function switches to GAME and the equalizer
automatically switches to GAME EQ in the same
manner.
Listening to audio from a
connected component
(MHC-RG555 only)
Use buttons on the unit for the operation.
Transmitter
(MHC-GX750 only)
Hooking up the transmitter
Set the transmitter by the following
procedures.
Select either AUDIO IN A or AUDIO IN B
hookup depending on the jack type of the
optional component you want to connect
the transmitter to. If noise occurs when the
transmitter is connected to the headphones
jack of your TV or VCR, set the NOISE
FILTER switch on the transmitter to ON.
Transmitter
Listening to a connected VCR
Connect the audio cords.
See “Hooking up optional components” on
page 29.
Press VIDEO/MD.
Start playing the connected component.
OFF ON
NOISE FILTER
Connect the audio cords.
See “Hooking up optional components” on
page 29.
Press VIDEO/MD.
Hold down VIDEO/MD and press ?/1. This
switches the VIDEO function to MD. Once
you enable the MD function, just press
VIDEO/MD.
AUDIO IN
DC IN 9V
123
CHANNEL
to AUDIO IN A
jacks
to AUDIO IN B
jack
Right
channel
(red)
Listening to a connected MD
deck
Left
channel
(white)
Connecting
cord (supplied)
Left
channel
(white)
Right
channel
(red)
Unimatch plug
adaptor (not
supplied)
Notes
• If you cannot select “MD” when you press VIDEO/
MD, press ?/1 while holding down VIDEO/MD
when the system is on. “VIDEO” will be switched to
“MD”. To return to “VIDEO”, do the same
procedure.
• When you connect a VIDEO CD deck, set to “MD”.
to LINE OUT or
REC OUT jack
Optional
Components
(TV, VCR,
Personal
computer, etc.)
30GB
to headphones
(stereo phone jack)
or LINE OUT jack
(stereo mini jack)
2
Connect the transmitter to a wall outlet
using the supplied AC power adaptor.
The transmitter automatically turns on.
Transmitter
to DC IN 9V jack
to wall outlet
AC power adaptor
(supplied: AC-GSX100)
The effective areas of the
transmitter
Wireless system that allows you to use your
system free from the restriction of speaker cords.
The optimum signal reception range is up to
approximately 30.5 m (100 feet) without the
system picking up some interference. However,
the distance may be reduced according to the
surroundings and environment. If the system
picks up some noise while using it within the
above mentioned distance, reduce the distance
between the transmitter unit and the main unit,
or select another channel.
Notes
• When you connect the transmitter to the analog out
jacks, do not set the NOISE FILTER to ON.
Otherwise, the volume will be limited.
• The NOISE FILTER effects the sound only when
you connect an optional component to the AUDIO
IN A jacks of the transmitter. Connecting to the
AUDIO IN B jack, the switch has no effect.
• If stereo mini jack is connected to LINE OUT and the
NOISE FILTER is set to ON, audio output will be
reduced and audio signal may be intermittent or auto
muting will activate. In this case, set the NOISE
FILTER to OFF.
• When the transmitter is placed on or near a TV, it
may pick up a noise. In such case, place the
transmitter away from the TV.
• Do not place the transmitter near a fluorescent lamp,
etc. when using the system.
• Use only the supplied AC power adaptor. Do not use
any other AC power adaptor.
• When you use the main unit inside the effective areas
of the transmitter, the transmitter can be placed in
any direction from the listener.
• Even within the signal reception area, there are some
spots (dead spot) where the RF signal cannot be
received. This is a characteristic inherent to RF
signals, and does not indicate a malfunction. By
slightly moving the transmitter, the location of the
dead spot can be changed.
Polarity of the plug
• If the connected component has the AVLS
(Automatic Volume Limiter System) function, be
sure to turn off the function when using the
transmitter. Otherwise, you will have to turn up the
volume of the speaker, and that may cause distortion.
• If the connected component has the BASS BOOST
or MEGA BASS function, be sure to turn off the
function when using the transmitter. Otherwise, the
sound from the speaker may be distorted.
• If the transmitter does not detect an audio signal for
a few minutes, the power on the transmitter
automatically turns off. When the transmitter
receives an audio signal again, the power
automatically turns on.
Notes on receiving performance
This system component utilizes very high frequency
signals in the 900 MHz band so the receiving
performance may deteriorate due to the surroundings.
The following examples illustrate conditions that may
reduce the possible receiving range or cause
interference with reception.
– Radio waves generated such as cellphones and
cordless phone systems or metal instruments are
placed on the unit.
– Inside a building with walls containing steel beams.
– Area with many steel file cabinets, etc.
– Area with many electrical appliances capable of
generating electromagnetic noise.
– Transmitter is placed on a metal instrument.
– Area facing roadways.
– Noise or interfering signals exist in the surroundings
due to radio transceivers in trucks, etc.
– Noise or interfering signals exist in the surroundings
due to wireless communication systems installed
along roadways.
– Transmitter is placed directly on floor.
Placing it up off the floor, such as on a desk, is
recommended.
Optional Components
Notes
continued
31GB
Listening to audio using
wireless system
Start playing the connected
component.
Press WIRELESS on the unit to switch
the function to WIRELESS.
When the sound is distorted
Move CHANNEL 1–3 on the transmitter to
select a radio frequency.
CHANNEL 1:
CHANNEL 2:
CHANNEL 3:
913.4 MHz
914.0 MHz
914.6 MHz
Press WIRELESS on the unit.
“AUTO SCAN” appears.
If you do not hear clear audio, press WIRELESS
on the unit several times. If this does not work,
select another channel using CHANNEL 1–3 on
the transmitter, then press WIRELESS on the
unit again.
To finish using WIRELESS
function
Press any function button to select different
function and quit WIRELESS.
Notes
• You may not hear the beginning of the sound from
the main unit until the transmitter starts sending the
RF signals after detecting an audio signal.
• If the transmitter is connected to the headphones jack
of the source component, set the volume of that
component as high as possible without distorting the
audio signal.
• If you hold the antenna of the transmitter with your
hand, noise may occur. However this is not a
malfunction.
• When the transmitter is not to be used for a long
period of time, disconnect the AC power adaptor
from the wall outlet holding the plug. Do not pull on
the cord.
32GB
General
Troubleshooting
Problems and remedies
Should you encounter a problem with your
system, do the following:
Make sure the power cord and speaker
cords are correctly and firmly connected.
Find your problem in the troubleshooting
checklist below and take the indicated
corrective action.
If the problem persists after doing all of the
above, consult your nearest Sony dealer.
When the ?/1 indicator flashes
“– –:– –” appears in the display.
• A power interruption has occurred. Set the clock
(page 10) and timer settings (pages 25 and 26)
again.
The clock setting/radio presetting/timer is
canceled.
• Redo the following:
– “Setting the clock” (page 10)
– “Presetting radio stations” (page 15)
– “Falling asleep to music” and “Waking up to
music” (page 25)
– “Timer recording radio programs” (page 26)
There is no sound.
• Press VOLUME +/– or turn VOLUME control on
the unit clockwise.
• Make sure the headphones are not connected.
• Check the speaker connections (page 7).
• There is no audio output during the Rec Timer.
Sound comes from one channel, or
unbalanced left and right volume.
• Place the speakers as symmetrically as possible.
• Connect the supplied speakers.
Sound lacks bass.
• Check that the speaker’s + and – jacks are
connected correctly.
Troubleshooting
Immediately unplug the power cord and
check the following items.
• If your system has a voltage selector, is the
voltage selector set to the correct voltage?
Check the voltage for your region, then
make sure the voltage selector is set
correctly.
• Are the + and – speaker cords shortcircuited?
• Are you using only the prescribed
speakers?
• Is anything blocking the ventilation holes
on the rear of the system?
Check all the above items and fix any
problems found. After ?/1 indicator stops
flashing, reconnect the power cord and turn
on the system. If the indicator still flashes, or
if the cause of the problem cannot be found
even after checking all the above items,
consult your nearest Sony dealer.
The display starts flashing as soon as you
plug in the power cord even though you have
not turned on the system (see step 5 of
“Hooking up the system” (page 7)).
• Press DISPLAY twice while the system is off. The
demonstration disappears.
There is severe hum or noise.
• Move the system away from the source of noise.
• Connect the system to a different wall outlet.
• Install a noise filter (commercially available) to
the power cord.
The timer cannot be set.
• Set the clock again (page 10).
The timer does not function.
• Check the timer setting and set the correct time
(pages 26 and 27).
• Cancel the Sleep Timer Function (page 25).
continued
33GB
The remote does not function.
• Remove the obstacle.
• Move the remote closer to the system.
• Point the remote at the system’s sensor.
• Replace the batteries (R6/size AA).
• Locate the system away from the fluorescent light.
There is acoustic feedback.
• Reduce the volume.
• For MHC-RG555, move the microphone away
from the speakers or change the direction of the
microphone.
The color irregularity on a TV screen persists.
• Turn off the TV set once, then turn it on after 15
to 30 minutes. If the color irregularity still
persists, place the speakers farther away from the
TV set.
The sound from the connected source is
distorted (MHC-RG555 only).
• If “VIDEO” appears in the display when you press
VIDEO/MD on the unit, switch the display to
“MD” (see “Listening to audio from a connected
component (MHC-RG555 only)” on page 30).
CD/MP3 player
The disc tray does not open and “LOCKED”
appears.
• Contact your Sony dealer or local authorized Sony
service facility.
The disc tray does not close.
• Place the disc correctly.
• Always close the tray by pressing Z on the unit.
Trying to press the tray closed with your fingers
may cause problems with the player.
The disc does not eject.
• You cannot eject the disc during CD Synchro
Recording. Press x to cancel the CD Synchro
Recording, then press Z on the unit to eject the
disc.
• Consult your nearest Sony dealer.
Play does not start.
• Open the disc tray and check whether a disc is
loaded.
• Wipe the disc clean (page 37).
• Replace the disc.
• Place the disc that this system can play (page 5).
• Place the disc correctly.
• Place the disc in the tray with the label side up.
• Remove the disc and wipe away the moisture on
the disc, then leave the system turned on for a few
hours until the moisture evaporates.
• Press N to start play.
The sound skips.
• Wipe the disc clean (page 37).
• Replace the disc.
• Try moving the system to a place without
vibration (e.g., on top of a stable stand).
• Try moving the speakers away from the system, or
placing them on separate stands. When you listen
to a track with bass sounds at high volume, the
speaker vibration may cause the sound to skip.
Play does not start from the first track.
• Press PLAY MODE repeatedly until both “PGM”
and “SHUF” disappear to return to Normal Play.
MP3 audio track cannot be played back.*
• Recording was not performed according to the
ISO9660 level 1 or level 2 format or Joliet in the
expansion format.
• The MP3 audio track does not have the extension
“.MP3”.
• The data is not stored in MP3 format.
• Discs containing files other than MPEG 1 Audio
Layer-3 files cannot be played.
MP3 audio tracks take longer to play back than
others.*
• After the system reads all tracks on the discs,
playback may take more time than usual if:
– the number of albums or tracks on the disc is
very large.
– the album and track organization structure is
very complex.
The album name, track title and ID3 tag do not
appear correctly.*
• Use a disc that conforms with ISO9660 level 1,
level 2 or Joliet in the expansion format.
• The disc ID3 tag is not ver. 1 nor ver. 2.
* MHC-GX750/GX450/RG555/RG551S/RG444S/
RG441/RG333/RG222/RG221/RX550 only
34GB
Tuner
Transmitter (MHC-GX750 only)
Severe hum or noise/stations cannot be
received. (“TUNED” or “STEREO” flashes in
the display.)
• Set the proper band and frequency (page 15).
• Connect the antenna properly (page 8).
• Find a place and an orientation that provide good
reception, then set up the antenna again. If you
cannot obtain good reception, we recommend you
connect a commercially available external
antenna.
• The supplied FM lead antenna receives signals
along its entire length, so make sure you extend it
fully.
• Locate the antennas as far away from the speaker
cords as possible.
• Try turning off surrounding electrical equipment.
There is no sound.
• Check the connection of the optional component.
• Check that the optional component is turned on.
• Turn up the volume on the connected optional
component, if the transmitter is connected to the
headphones jack.
• Change the radio frequency using the CHANNEL
selector on the transmitter, then press WIRELESS
on the unit again.
• If you connect the transmitter to the analog out
jacks of an audio reproducer, make sure that the
NOISE FILTER switch is set to OFF.
• Make sure that the NOISE FILTER switch is set
to either ON or OFF (If the switch gets stuck
between ON and OFF, the sound will be cut off).
A stereo FM program cannot be received in
stereo.
• Press FM MODE repeatedly until “STEREO”
appears.
Tape deck
The tape does not erase completely.
• The record/playback heads are magnetized.
Demagnetize them (page 38).
There is excessive wow or flutter, or the sound
drops out.
• The capstans or pinch rollers are dirty. Clean them
(page 38).
Noise increases or the high frequencies are
erased.
• The record/playback heads are magnetized.
Demagnetize them (page 38).
The tape does not record.
• No cassette is loaded. Load a cassette.
• The tab has been removed from the cassette.
Cover the broken tab with adhesive tape
(page 38).
• The tape has wound to the end.
Troubleshooting
The tape does not record or play, or there is a
decrease in sound level.
• The heads are dirty. Clean them (page 38).
• The record/playback heads are magnetized.
Demagnetize them (page 38).
There is severe hum or noise.
• If the transmitter is connected to the headphones
jack, turn down the volume of the connected
optional component. If the connected optional
component has the BASS BOOST or MEGA
BASS function, set these function to OFF.
• If the connected optional component has a LINE
OUT jacks, connect its LINE OUT jacks.
• Change the radio frequency with the CHANNEL
selector on the transmitter then press WIRELESS
on the unit again.
• If you connect the transmitter to the analog out
jacks of an audio reproducer, make sure that the
NOISE FILTER switch is set to OFF.
If the system still does not
operate properly after performing
the above measures, reset the
system as follows:
Use buttons on the unit for the operation.
Disconnect the power cord.
Press ?/1 to turn on the system.
Reconnect the power cord.
Press x, PLAY MODE/TUNING MODE and
DISC 1 at the same time.
The system is reset to the factory settings. You
should set the settings you made, such as the
preset stations, clock, and timer.
35GB
Messages
One of the following messages may appear or
flash in the display during operation.
CD/MP3
NO DISC
There is no disc in the player or you have loaded a
disc that cannot be played on this system (such as
DVD, VCD, or CD-ROM without MP3 audio
tracks, etc.).
OVER
You have reached the end of the disc while pressing
M during playback or pause.
PUSH STOP
You pressed PLAY MODE during playback.
READING
The system is reading information of the disc. Some
buttons are not available.
STEP FULL
You tried to program 26 or more tracks (steps).
Tape
NO TAB
You cannot record the tape because the tab has been
removed from the cassette.
NO TAPE
There is no tape in the tape deck.
36GB
On the speaker system
Additional Information
Precautions
On operating voltage
Before operating the system, check that the operating
voltage of your system is identical with the voltage of
your local power supply.
On safety
• The unit is not disconnected from the AC power
source (mains) as long as it is connected to the wall
outlet, even if the unit itself has been turned off.
• Unplug the system from the wall outlet (mains) if it
is not to be used for an extended period of time. To
disconnect the power cord (mains lead), pull it out by
the plug. Never pull the cord itself.
• Should any solid object or liquid fall into the system,
unplug the system and have it checked by qualified
personnel before operating it any further.
• AC power cord must be changed only at the qualified
service shop.
On placement
On heat buildup
• Although the system heats up during operation, this
is not a malfunction.
• Place the system in a location with adequate
ventilation to prevent heat buildup in the system.
• If you continuously use this system at a high volume,
the cabinet temperature of the top, side and bottom
rises considerably. To avoid burning yourself, do not
touch the cabinet.
• To prevent a malfunction, do not cover the
ventilation hole for the cooling fan.
On operation
• If the system is brought directly from a cold to a
warm location, or is placed in a very damp room,
moisture may condense on the lens inside the CD
player. Should this occur, the system will not operate
properly. Remove the disc and leave the system
turned on for about an hour until the moisture
evaporates.
• When you move the system, take out any disc.
If you have any questions or problems concerning your
system, please consult your nearest Sony dealer.
Notes on discs
• Before playing, clean the disc with a cleaning cloth.
Wipe the disc from the center out.
• Do not use solvents such as benzine, thinner,
commercially available cleaners or anti-static spray
intended for vinyl LPs.
• Do not expose the disc to direct sunlight or heat
sources such as hot air ducts, nor leave it in a car
parked in direct sunlight.
• When using discs that have glue or similar tacky
substance on the label side of the disc or that used a
special ink when the label was printed, there is a
chance that the disc or label may become attached to
parts inside this unit. When this occurs, it may not be
possible to remove the disc, and may also cause this
unit to malfunction. Be sure to check that the label
side of the disc is not sticky before using.
The following types of disc should not be used:
– Rental or used discs with attached seals where the
glue extends beyond the seal. The perimeter of the
seal on the disc is tacky.
– Discs that have labels printed using a special ink
that feels tacky when touched.
• Discs with non-standard shapes (e.g., heart, square,
star) cannot be played on this unit. Attempting to do
so may damage the unit. Do not use such discs.
Additional Information
• Do not place the system in an inclined position.
• Do not place the system in locations where it is;
– Extremely hot or cold
– Dusty or dirty
– Very humid
– Subject to vibrations
– Subject to direct sunlight.
• Use caution when placing the unit or speakers on
surfaces that have been specially treated (with wax,
oil, polish, etc.) as staining or discoloration of the
surface may result.
This speaker system is not magnetically shielded and
the picture on TV sets may become magnetically
distorted. In such a case, turn off the power of the TV
set once, and after 15 to 30 minutes turn it on again.
If there seems to be no improvement, locate the
speaker system further away from the TV set.
continued
37GB
Cleaning the cabinet
Clean the cabinet, panel and controls with a soft cloth
slightly moistened with mild detergent solution. Do not
use any type of abrasive pad, scouring powder or
solvent such as thinner, benzine or alcohol.
To save a tape permanently
To prevent a tape from being accidentally recorded
over, break off the cassette tab from side A or B as
illustrated.
Break off the
cassette tab
If you later want to reuse the tape for recording, cover
the broken tab with adhesive tape.
Before placing a cassette in the tape
deck
Take up any slack in the tape. Otherwise, the tape may
get entangled in the parts of the tape deck and become
damaged.
When using a tape longer than
90 minutes
The tape is very elastic. Do not change the tape
operations such as play, stop, and fast-winding
frequently. The tape may get entangled in the tape
deck.
Cleaning the tape heads
Clean the tape heads after every 10 hours of use. Be
sure to clean the tape heads before you start an
important recording or after playing an old tape. Use a
separately sold dry-type or wet-type cleaning cassette.
For details, refer to the instructions of the cleaning
cassette.
Specifications
Main unit
Amplifier section
AUDIO POWER SPECIFICATIONS
(MHC-GX750/GX450/GX250/RX550 USA
models only)
MHC-GX750/RX550
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 10,000 Hz: rated 160 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
MHC-GX450
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 10,000 Hz: rated 125 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
MHC-GX250
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 10,000 Hz: rated 140 watts per channel
minimum RMS power, with no more than 10%
total harmonic distortion from 250 milliwatts to
rated output.
Demagnetizing the tape heads
Demagnetize the tape heads and the metal parts that
have contact with the tape after every 20 to 30 hours of
use with a separately sold demagnetizing cassette. For
details, refer to the instructions of the demagnetizing
cassette.
38GB
North American models:
MHC-GX750/RX550
Front speaker
Continuous RMS power output (reference):
160 + 160 watts (6 ohms at
1 kHz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
1 kHz, 80 W)
Sub woofer
Continuous RMS power output (reference):
180 watts (6 ohms at
50 Hz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
50 Hz, 90 W)
MHC-GX450
MHC-RG222/RG121
Front speaker
Continuous RMS power output (reference):
125 + 125 watts (6 ohms at
1 kHz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
1 kHz, 60 W)
Sub woofer
Continuous RMS power output (reference):
150 watts (6 ohms at
50 Hz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
50 Hz, 75 W)
DIN power output (rated): 50 + 50 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
65 + 65 watts (6 ohms at
1 kHz, 10% THD)
Music power output (reference):
130 + 130 watts (6 ohms at
1 kHz, 10% THD)
MHC-GX250
Continuous RMS power output (reference):
140 + 140 watts (6 ohms at
1 kHz, 10% THD)
Total harmonic distortion less than 0.07% (6 ohms at
1 kHz, 70 W)
MHC-RG100
DIN power output (rated): 15 + 15 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
20 + 20 watts (6 ohms at
1 kHz, 10% THD)
Music power output (reference):
40 + 40 watts (6 ohms at
1 kHz, 10% THD)
Other models:
European and Russian models:
MHC-RG555
MHC-RG444S
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 120 + 120 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
150 + 150 watts (6 ohms at
1 kHz, 10% THD)
MHC-RG333
DIN power output (rated): 100 + 100 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
125 + 125 watts (6 ohms at
1 kHz, 10% THD)
Music power output (reference):
250 + 250 watts (6 ohms at
1 kHz, 10% THD)
MHC-RG551S
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
Front speaker
DIN power output (rated): 100 + 100 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
120 + 120 watts (6 ohms at
1 kHz, 10% THD)
Sub woofer
DIN power output (rated): 100 watts (6 ohms at
50 Hz, DIN)
Continuous RMS power output (reference):
120 watts (6 ohms at
50 Hz, 10% THD)
Additional Information
Front speaker
DIN power output (rated): 100 + 100 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
120 + 120 watts (6 ohms at
1 kHz, 10% THD)
Music power output (reference):
240 + 240 watts (6 ohms at
1 kHz, 10% THD)
Sub woofer
DIN power output (rated): 100 watts (6 ohms at
60 Hz, DIN)
Continuous RMS power output (reference):
120 watts (6 ohms at
50 Hz, 10% THD)
Music power output (reference):
240 watts (6 ohms at
50 Hz, 10% THD)
MHC-RG441
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 120 + 120 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
150 + 150 watts (6 ohms at
1 kHz, 10% THD)
continued
39GB
MHC-RG222/RG221
Tape deck section
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 100 + 100 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
120 + 120 watts (6 ohms at
1 kHz, 10% THD)
Recording system
Frequency response
Wow and flutter
4-track 2-channel, stereo
50 – 13,000 Hz (±3 dB),
using Sony TYPE I
cassettes
±0.15% W. Peak (IEC)
0.1% W. RMS (NAB)
±0.2% W. Peak (DIN)
MHC-RG121
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 50 + 50 watts (6 ohms at
1 kHz, DIN)
Continuous RMS power output (reference):
60 + 60 watts (6 ohms at
1 kHz, 10% THD)
Inputs
VIDEO/MD IN (phono jacks) (MHC-RG555 only):
voltage 450/250 mV,
impedance 47 kilohms
GAME INPUT AUDIO L/R (phono jacks):
voltage 250 mV,
impedance 47 kilohms
GAME INPUT VIDEO (phono jack):
1Vp-p, 75 ohms
MIC (phone jack) (MHC-RG555 only):
sensitivity 1 mV,
impedance 10 kilohms
Outputs
PHONES (stereo mini jack):
accepts headphones of
8 ohms or more
VIDEO OUT (phono jack):
max. output level 1Vp-p,
unbalanced, Sync
negative, load impedance
75 ohms
SPEAKER:
accepts impedance of 6 to
16 ohms
SUB WOOFER OUT (MHC-GX750/GX450/
RG551S/RG444S/RX550 only):
accepts impedance of 6 to
16 ohms
CD player section
System
Laser
Frequency response
Wavelength
Signal-to-noise ratio
Dynamic range
40GB
Compact disc and digital
audio system
Semiconductor laser
(λ=780 nm)
Emission duration:
continuous
2 Hz – 20 kHz (±0.5 dB)
780 – 790 nm
More than 90 dB
More than 90 dB
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
North American model:
Russian model:
Other models:
Antenna
Antenna terminals
Intermediate frequency
AM tuner section
Tuning range
Pan-American models:
87.5 – 108.0 MHz
(100-kHz step)
65.0 – 74.0 MHz
(There is no stereo effect.
10-kHz step)
87.5 – 108.0 MHz
(50-kHz step)
87.5 – 108.0 MHz
(50-kHz step)
FM lead antenna
75 ohms unbalanced
10.7 MHz
530 – 1,710 kHz
(with the tuning interval
set at 10 kHz)
531 – 1,710 kHz
(with the tuning interval
set at 9 kHz)
European, Russian and Saudi Arabian models:
531 – 1,602 kHz (with the
tuning interval set at
9 kHz)
Other models:
530 – 1,710 kHz
(with the tuning interval
set at 10 kHz)
531 – 1,602 kHz
(with the tuning interval
set at 9 kHz)
Antenna
AM loop antenna
Antenna terminals
External antenna terminal
Intermediate frequency
450 kHz
Speaker
North American models:
Front speaker SS-RG555 for MHC-GX750/
RX550
Speaker system
Speaker units
Woofer:
Sub woofer:
Tweeter:
Nominal impedance
Dimensions (w/h/d)
Mass
3-way, 3-unit, bass-reflex
type
15 cm, cone type
15 cm, cone type
5 cm, cone type
6 ohms
Approx. 267 × 365 ×
295 mm
Approx. 5.1 kg net per
speaker
Sub woofer SS-WG750 for MHC-GX750/
RX550
Speaker system
Speaker units
Woofer:
Nominal impedance
Dimensions (w/h/d)
Mass
Bass-reflex type
20 cm, cone type
6 ohms
Approx. 267 × 327 ×
365 mm
Approx. 7.5 kg
Front speaker SS-RG444 for MHC-GX450/
GX250
Speaker units
Woofer:
Sub woofer:
Tweeter:
Nominal impedance
Dimensions (w/h/d)
Mass
3-way, 3-unit, bass-reflex
type
13 cm, cone type
13 cm, cone type
5 cm, cone type
6 ohms
Approx. 242 × 327 ×
235 mm
Approx. 3.7 kg net per
speaker
Sub woofer SS-WG450 for MHC-GX450
Speaker system
Speaker units
Woofer:
Nominal impedance
Dimensions (w/h/d)
Mass
Bass-reflex type
20 cm, cone type
6 ohms
Approx. 267 × 327 ×
365 mm
Approx. 5.7 kg
Speaker system
Speaker units
Woofer:
Sub woofer:
Tweeter:
Nominal impedance
Dimensions (w/h/d)
Mass
3-way, 3-unit, bass-reflex
type
13 cm, cone type
13 cm, cone type
5 cm, cone type
6 ohms
Approx. 242 × 327 ×
235 mm
Approx. 3.7 kg net per
speaker
Sub woofer SS-WG450 for MHC-RG444S
Speaker system
Speaker units
Woofer:
Nominal impedance
Dimensions (w/h/d)
Mass
Bass-reflex type
20 cm, cone type
6 ohms
Approx. 267 × 327 ×
365 mm
Approx. 5.7 kg
Front speaker SS-RG555 for MHC-RG333
Speaker system
Speaker units
Sub Woofer:
Woofer:
Tweeter:
Nominal impedance
Dimensions (w/h/d)
Mass
3-way, 3-unit, bass-reflex
type
15 cm, cone type
15 cm, cone type
5 cm, cone type
6 ohms
Approx. 267 × 365 ×
295 mm
Approx. 5.1 kg net per
speaker
Front speaker SS-RG121 for MHC-RG121/
RG100
Speaker system
Speaker units
Super Tweeter:
Woofer:
Tweeter:
Nominal impedance
Dimensions (w/h/d)
Mass
Additional Information
Speaker system
European and Russian models:
Front speaker SS-RG444 for MHC-RG444S/
RG222
3-way, 3-unit, bass-reflex
type
2 cm, dome type
13 cm, cone type
5 cm, cone type
6 ohms
Approx. 202 × 327 ×
230 mm
Approx. 3.0 kg net per
speaker
continued
41GB
Other models:
Front speaker SS-RG555 for MHC-RG555/
RG551S/RG441
Transmitter
Speaker system
Carrier frequency
Channel
CHANNEL 1:
CHANNEL 2:
CHANNEL 3:
Modulation
Power source
Speaker units
Sub Woofer:
Woofer:
Tweeter:
Nominal impedance
Dimensions (w/h/d)
Mass
3-way, 3-unit, bass-reflex
type
15 cm, cone type
15 cm, cone type
5 cm, cone type
6 ohms
Approx. 267 × 365 ×
295 mm
Approx. 5.1 kg net per
speaker
Audio input
913.4 – 914.6 MHz
913.4 MHz
914.0 MHz
914.6 MHz
FM stereo
DC 9 V: supplied AC
power adaptor
(AC-GSX100)
phono jacks/stereo mini
jack
Sub woofer SS-WG750 for MHC-RG551S
General
Speaker system
Speaker units
Woofer:
Nominal impedance
Dimensions (w/h/d)
Power requirements
North American models: 120 V AC, 60 Hz
European and Russian models:
230 V AC, 50/60 Hz
Australian model:
230 – 240 V AC, 50/60 Hz
Argentine models:
220 V AC, 50/60 Hz
Mexican models:
127 V AC, 60 Hz
Saudi Arabian model:
120 – 127/220 or
230 – 240 V AC, 50/60 Hz
Adjustable with voltage
selector
Other models:
120 V, 220 V or
230 – 240 V AC, 50/60 Hz
Adjustable with voltage
selector
Mass
Bass-reflex type
20 cm, cone type
6 ohms
Approx. 267 × 327 ×
365 mm
Approx. 7.5 kg
Front speaker SS-RG444 for MHC-RG222/
RG221
Speaker system
Speaker units
Sub woofer:
Woofer:
Tweeter:
Nominal impedance
Dimensions (w/h/d)
Mass
3-way, 3-unit, bass-reflex
type
13 cm, cone type
13 cm, cone type
5 cm, cone type
6 ohms
Approx. 242 × 327 ×
235 mm
Approx. 3.7 kg net per
speaker
Front speaker SS-RG121 for MHC-RG121
Speaker system
Speaker units
Super Tweeter:
Woofer:
Tweeter:
Nominal impedance
Dimensions (w/h/d)
Mass
42GB
TMR-HT1 for MHC-GX750
3-way, 3-unit, bass-reflex
type
2 cm, dome type
13 cm, cone type
5 cm, cone type
6 ohms
Approx. 202 × 327 ×
230 mm
Approx. 3.0 kg net per
speaker
Power consumption
USA models:
MHC-GX750/RX550:
230 watts
MHC-GX450:
265 watts
MHC-GX250:
205 watts
Canadian models:
MHC-GX750:
280 VA
MHC-GX450:
330 VA
MHC-GX250:
260 VA
European and Russian models:
MHC-RG444S:
275 watts
0.25 watts (at the Power
Saving Mode)
MHC-RG333:
180 watts
0.25 watts (at the Power
Saving Mode)
MHC-RG222:
110 watts
0.25 watts (at the Power
Saving Mode)
MHC-RG121:
110 watts
0.25 watts (at the Power
Saving Mode)
MHC-RG100:
Other models:
MHC-RG555:
MHC-RG551S:
MHC-RG441:
MHC-RG222:
MHC-RG221:
MHC-RG121:
55 watts
0.25 watts (at the Power
Saving Mode)
155 watts
275 watts
155 watts
180 watts
180 watts
110 watts
Transmitter (MHC-GX750 only)
Approx. 146 g
Remote Commander (1)
R6 (Size AA) batteries (2)
AM loop antenna (1)
FM lead antenna (1)
Transmitter
(MHC-GX750 only) (1)
AC adaptor
(MHC-GX750 only) (1)
Connecting cord phono
plug-stereo miniplug (1m)
(MHC-GX750 only) (1)
Speaker pads
MHC-GX750/GX450/
RG551S/RG444S/
RX550 (12)
MHC-GX250/RG555/
RG441/RG333/RG222/
RG221/RG121/RG100
(8)
Design and specifications are subject to change
without notice.
Additional Information
Dimensions (w/h/d) incl. projecting parts and controls
Amplifier/Tuner/Tape/CD section:
Approx. 280 × 327 ×
425 mm
Transmitter (MHC-GX750 only)
Approx. 136 × 100 ×
103 mm
Mass
North American models:
HCD-GX750:
Approx. 10.5 kg
HCD-GX450:
Approx. 10.0 kg
HCD-GX250:
Approx. 10.0 kg
HCD-RX550:
Approx. 10.5 kg
European and Russian models:
HCD-RG444S:
Approx. 10.0 kg
HCD-RG333:
Approx. 10.0 kg
HCD-RG222:
Approx. 8.5 kg
HCD-RG121:
Approx. 8.5 kg
HCD-RG100:
Approx. 8.0 kg
Other models:
HCD-RG555:
Approx. 10.0 kg
HCD-RG551S:
Approx. 10.5 kg
HCD-RG441:
Approx. 10.0 kg
HCD-RG222:
Approx. 10.0 kg
HCD-RG221:
Approx. 10.0 kg
HCD-RG121:
Approx. 8.5 kg
Supplied accessories
43GB
List of button locations and reference pages
How to use this page
Illustration number
Use this page to find the location of buttons and other
parts of the system that are mentioned in the text.
TAPE A/B ed (18, 19, 20, 24)
Name of button/part
Reference page
Main unit
BUTTON DESCRIPTIONS
ALPHABETICAL ORDER
A–O
P–Z
ALBUM +1) qh (12, 14, 19)
ALBUM –1) wg (12, 14, 19)
CD eg (9, 11, 14, 19, 20)
CD SYNC wj (19)
Deck A wk (18)
Deck B qj (18, 19, 20, 24)
DISC 1 – 3 q; (12, 14, 35)
DISC SKIP/EX-CHANGE qs
(11, 12, 14, 19)
Disc tray 9 (11)
DISPLAY 2 (17, 27, 28)
Display window 5
EFFECT ON/OFF 8 (22, 22)
ENTER qa (14, 15, 22)
EQ BAND 7 (22)
GAME es (20, 23, 30)
GAME INPUT AUDIO L/R jacks
wd (20, 29)
GAME INPUT VIDEO jack wf
(29)
GAME MIXING wh (23)
GROOVE 8 (21)
ILLUMINATION2) 3 (28)
MIC jack3) ws (24)
MIC LEVEL3) wa (24)
Operation Dial
(– EQ +/l L) 6 (12,
14, 19, 22)
P FILE qd (22)
PHONES jack ql
PLAY MODE wl (12, 14, 18, 19,
20, 35)
Power illuminator2) qk (28)
PRESET EQ qd (22)
REC PAUSE/START wj (19, 20,
23, 24)
Remote sensor 4
SURROUND 8 (23)
TAPE A/B ed (18, 19, 20, 24)
TUNER/BAND ef (15, 16, 20)
TUNING MODE wl (15, 16, 35)
TUNING + qh (15, 16)
TUNING – wg (15, 16)
VIDEO/MD3) ea (20, 30)
VOLUME control w; (21)
WIRELESS4) ea (32)
?/1 (power) 1 (8, 16, 27, 30, 33,
35)
X (pause) wg (12, 19)
Z (eject) qf (11)
PUSH Z (deck B) (eject) qg (18)
x (stop) wg (12, 19, 19, 24, 35)
M (fast forward) qh (12, 19)
H or hH3) (play) qh (12, 18,
19)
m (rewind) wg (12, 19)
Z PUSH (deck A) (eject) e; (18)
1) MHC-GX750/GX450/RG555/
RG551S/RG444S/RG441/
RG333/RG222/RG221/RX550
only
2) MHC-GX750/GX450/RG555/
RG551S/RG444S/RG441/
RG333/RX550 only
3)
MHC-RG555 only
4) MHC-GX750 only
1 2345 6 78 9
q;
eg
ef
ed
es
ea
e;
wl
wk
wj
qa
ALBUM
ALBUM
qs
qd
qf
qg
qh
qj
qk
TUNING
TUNING
ql
wh wg wf wd ws wa
44GB
w;
Sub woofer (MHC-GX750/GX450/RG551S/RG444S/RX550 only)
ALPHABETICAL ORDER
Indicator 1
SUB WOOFER ON/OFF 2 (21)
12
Additional Information
continued
45GB
Remote control
ALPHABETICAL ORDER
BUTTON DESCRIPTIONS
A–E
F–Z
ALBUM –* qd (12, 14)
ALBUM +* qa (12, 14)
CD qk (11, 14)
CLEAR qg (14)
CLOCK/TIMER SELECT 2
(26, 27)
CLOCK/TIMER SET 3 (10, 25,
26)
DISC SKIP q; (12, 14)
DISPLAY wa (17, 27, 28)
ENTER 9 (10, 14, 15, 25, 26)
EQ qf (22)
FM MODE 4 (17)
FUNCTION 6 (11, 14, 15, 16)
PLAY MODE w; (12, 14, 18)
REPEAT 4 (13)
SLEEP ws (25)
TAPE qj
TUNER BAND 5 (15, 16)
TUNER MEMORY ql (15)
TUNING MODE w; (15, 16)
VOLUME +/– qs (21, 25)
ws
wa
w;
ql
qk
qj
qh
?/1 (power) 1 (8, 26)
m/M (rewind/fast forward)
7 (12, 19)
–/+ (tuning) qh (15)
./> (go back/go forward)
qh (10, 12, 19)
N (play) 8 (12, 18)
X (pause) 8 (12, 19)
x (stop) 8 (12, 19, 19)
* MHC-GX750/GX450/RG555/
RG551S/RG444S/RG441/
RG333/RG222/RG221/RX550
only
qg
qf
q;
qd
qa
qs
46GB
Sony Corporation Printed in China

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Encryption                      : Standard V2.3 (128-bit)
User Access                     : Print, Extract, Print high-res
Modify Date                     : 2004:01:23 20:10:35+09:00
Create Date                     : 2004:01:20 09:04:16Z
Page Count                      : 48
Creation Date                   : 2004:01:20 09:04:16Z
Mod Date                        : 2004:01:23 20:10:35+09:00
Producer                        : Acrobat Distiller 5.0.5 (Windows)
Author                          : Sony Corporation
Metadata Date                   : 2004:01:23 20:10:35+09:00
Creator                         : Sony Corporation
Title                           : MHC-GX750/GX450/GX250/RG555/RG551S/RG444S/.RG441/RG333/RG222/.RG221/RG121/RG100./RX550
Page Mode                       : UseOutlines

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