Sony Group HT1 Stereo Transmitter User Manual

Sony Corporation Stereo Transmitter

UserManual.wiki >

Sony Group >

HT1 User Manual HTML Version

User Manual

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

2GB

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.

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 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.

WARNING

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

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.

WARNING

Do not install the appliance in a confined space,

such as a bookcase or built-in cabinet.

3GB

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

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.

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.

4GB

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

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

Table of Contents

5GB

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.

You can play back the following discs on this

system. Other discs cannot be played back.

List of playable discs

* MHC-GX750/GX450/RG555/RG551S/RG444S/

RG441/RG333/RG222/RG221/RX550 only

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) 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.

2) 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.

How to use this manual

Playable discs

Format of discs Disc logo

Audio CDs

CD-R/CD-RW

(audio data/MP3

files*)

continued

6GB

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 multi-

session 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 (non-

finalized disc).

Music discs encoded with

technologies

This product is designed to playback discs that

conform to the Compact Disc (CD) standard.

Recently, various music discs encoded with

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

7GB

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.

1Connect the front speakers.

Connect the right and left speaker cords to

the SPEAKER terminals as shown below.

2Connect 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.

Getting Started

Hooking up the system

AM loop antenna

Front speaker (right) Front speaker (left)

FM lead antenna

* MHC-GX750/GX450/RG551S/RG444S/RX550 only

Sub woofer*

R L

–

Black/Stripe (#)

Red/Solid

(3)

Insert only the stripped portion

Red

Black

SUB WOOFER OUT jack

CONTROL jack

continued

8GB

3Connect the FM and AM antennas.

Set up the AM loop antenna, then connect

it.

Plug type A

Plug type B

Plug type C

Note

Keep the antennas away from the speaker cords.

4For 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.

* Saudi Arabian model: 120 – 127 V

5Connect 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).

Inserting two R6 (size AA)

batteries into the remote

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

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.

Extend the FM lead antenna horizontally

AM loop antenna

Extend the FM lead antenna horizontally

AM loop antenna

Extend the FM lead

antenna horizontally

AM loop antenna

North American model:

Connect white side.

Other models:

Connect brown side.

Getting Started

9GB

Attaching the front speaker

pads

Attach the supplied speaker pads to the bottom

of the speakers to stabilize the speakers and

prevent them from slipping.

Front speaker (Left (4)/Right (4))

Sub woofer (4)*

* MHC-GX750/GX450/RG551S/RG444S/RX550

only

Placing the sub woofer

(MHC-GX750/GX450/RG551S/

RG444S/RX550 only)

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

• 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.

When carrying this system

Perform the following procedure to protect

the CD mechanism. Use buttons on the unit

for the operation.

1Make sure that all discs are removed

from the system.

2Hold down CD and then press ?/1 until

“STANDBY” appears.

After a few seconds later, “STANDBY”

disappears and “LOCK” appears.

3Unplug the power cord.

10GB

Use buttons on the remote for the operation.

1Press ?/1 to turn on the system.

2Press CLOCK/TIMER SET.

3Press . or > repeatedly to set the

hour.

4Press ENTER.

5Press . or > repeatedly to set the

minute.

6Press ENTER.

The clock starts working.

To adjust the clock

1Press CLOCK/TIMER SET.

2Press . or > repeatedly to select

“CLOCK SET”, then press ENTER.

3Do the same procedures as step 3 to 6

above.

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).

Setting the clock

CD/MP3 – Play

11GB

Use buttons on the unit for the operation.

1Press Z.

2Place a disc with the label side up on

the disc tray.

To insert additional discs, press DISC

SKIP/EX-CHANGE to rotate the disc tray.

3Press 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.

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

1Press CD (or FUNCTION repeatedly) to

switch the function to CD.

CD/MP3 – Play

Loading a disc

Playing a disc

— Normal Play/Shuffle Play

Track number

Disc presence indicator Playing time

Disc tray number

continued

12GB

2Press PLAY MODE repeatedly in stop

mode until the mode you want appears

in the display.

3Press N.

Other operations

* You may not be able to search between multiple files.

Also, the time may not be displayed correctly for

some files.

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.

ALL DISCS

SHUF (Shuffle

Play)

The tracks on all discs in

random order.

1DISC SHUF

(Shuffle Play)

The tracks on the disc you

have selected in random

order.

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.

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).

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).

Switch to CD

function from

other function

Press DISC 1 – 3 on the unit

(Automatic Source Selection).

Exchange other

discs while

playing

Press DISC SKIP/EX-CHANGE

on the unit.

Remove a disc Press Z on the unit.

CD/MP3 – Play

13GB

Notes

• 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 non-

MP3 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.

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.

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.

Playing repeatedly

— Repeat Play

14GB

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.

1Press CD (or FUNCTION repeatedly) to

switch the function to CD.

2Press PLAY MODE repeatedly in stop

mode until “PGM” appears.

3Press DISC SKIP (or DISC 1 – 3 or DISC

SKIP/EX-CHANGE on the unit) to select

a disc.

4Press . 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.

5Press ENTER.

The track is programmed.

The program step number appears,

followed by the total playing time.

6Program additional tracks.

7Press N.

Program Play starts.

Other operations

Tips

• 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.

Creating your own

program

— Program Play

Selected track numberDisc tray number

Total playing time (including

selected track)

To program Repeat steps

Other tracks on the

same disc

4 and 5

Other tracks on

other discs

3 to 5

To Do this

Cancel Program

Play

Press PLAY MODE repeatedly

in stop mode until “PGM”

disappears.

Clear a track from

the end

Press CLEAR in stop mode.

Tuner

15GB

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.

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.

1Press TUNER BAND (or FUNCTION

repeatedly) to switch the function to

tuner.

2Press TUNER BAND repeatedly to

select “FM” or “AM”.

3Press TUNING MODE repeatedly until

“AUTO” appears in the display.

4Press – 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.

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).

5Press TUNER MEMORY.

A preset number appears.

6Press – or + (or TUNING – or + on the

unit) repeatedly to select the desired

preset number.

7Press ENTER.

8Repeat 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.

1Press TUNER BAND (or FUNCTION

repeatedly) to switch the function to

tuner.

2Press TUNER BAND repeatedly to

select “FM” or “AM”.

3Press TUNING MODE repeatedly until

“AUTO” and “PRESET” disappear from

the display.

4Press – or + (or TUNING – or + on the

unit) repeatedly to tune in the desired

station.

5Press TUNER MEMORY.

A preset number appears.

6Press – or + (or TUNING – or + on the

unit) repeatedly to select the desired

preset number.

7Press ENTER.

8Repeat steps 2 through 7 to store other

stations.

Other operations

Tuner

Presetting radio stations

Preset number

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.

continued

16GB

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.

Note

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.

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

Preset radio stations in the tuner’s memory first

(see “Presetting radio stations” on page 15).

1Press TUNER BAND (or FUNCTION

repeatedly) to switch the function to

tuner.

2Press TUNER BAND repeatedly to

select “FM” or “AM”.

3Press TUNING MODE repeatedly until

“PRESET” appears in the display.

4Press – or + (or TUNING – or + on the

unit) repeatedly to select the desired

preset station.

Listening to the radio

FrequencyPreset number

Tuner

17GB

Listening to non-preset radio

station

— Manual Tuning

1Press TUNER BAND (or FUNCTION

repeatedly) to switch the function to

tuner.

2Press TUNER BAND repeatedly to

select “FM” or “AM”.

3Press TUNING MODE repeatedly until

“AUTO” and “PRESET” disappear from

the display.

4Press – 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.*

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).

Using the Radio Data

System (RDS)

(European model only)

18GB

Use buttons on the unit for the operation.

1Press TAPE A/B repeatedly to select

deck A or B.

2Press PUSH Z.

3Load a recorded/recordable tape in

deck A or B with the side you want to

play/record facing forward.

You can use TYPE I (normal) tape.

For MHC-RG555

1Load a tape.

2Press PLAY MODE repeatedly to select

g to play one side. Select j1) to

play both sides.

To play both decks in succession, press

PLAY MODE repeatedly until “RELAY”

(Relay Play)2) appears in the display.

3Press N (or hH on the unit).

The tape starts playing. Press the button

again to play the reverse side.

1) The tape deck stops automatically after repeating

the sequence five times.

2) 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

1Load a tape.

To play both decks in succession, press

PLAY MODE repeatedly until “RELAY”

(Relay Play)* appears in the display.

2Press N.

The tape starts playing.

* After the playback of the front side of deck A, deck

B plays the front side, then stops.

Tape – Play

Loading a tape

With the side

you want to

play/record

facing

forward.

Playing a tape

Tape – Play/Tape – Recording

19GB

Other operations

Searching for the beginning of

the current or the next track

(AMS)1)

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.

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.

1) AMS (Automatic Music Sensor)

2) MHC-RG555 only

Note

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.

Tip

When a tape is inserted, corresponding forward (N)/

reverse (n) indicators light. The reverse indicator

lights up only for MHC-RG555.

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.

1Load a recordable tape into deck B,

then press TAPE A/B repeatedly to

select deck B.

2(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.

3Press 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.

4Press CD SYNC.

Deck B stands by for recording.

“REC” flashes.

5Press REC PAUSE/START.

Recording starts.

To stop recording

Press x.

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

continued

20GB

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.

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.

1Load a recordable tape into deck B,

then press TAPE A/B repeatedly to

select deck B.

2(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.

3Press 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

4Press REC PAUSE/START.

Deck B stands by for recording.

“REC” flashes.

5Press REC PAUSE/START, then start

playing the desired source to record.

Recording starts.

Recording on a tape

manually

— Manual Recording

Sound Adjustment

21GB

To stop recording

Press x.

Note

You cannot listen to other sources while recording.

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

* 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.

Sound Adjustment

Adjusting the sound

Using the sub woofer

(MHC-GX750/GX450/RG551S/RG444S/

RX550 only)

22GB

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.

Sound effect options

“SURR” appears if you select an effect with

surround effects.

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.

1Press EQ BAND repeatedly to select a

frequency band, then turn – EQ + to

adjust the level.

2Press and hold P FILE.

A personal file number appears.

3Press P FILE repeatedly to select

P FILE 1 – 3 you want to store the

equalizer setting.

4Press ENTER.

“COMPLETE” appears.

This setting is automatically stored as the

personal file you selected in step 3.

Other operations

Selecting the sound effect

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

Adjusting the graphic

equalizer and storing

To Press

Call up a

personal file

P FILE repeatedly to select the

desired personal file number.

Cancel a personal

file

EFFECT ON/OFF repeatedly

until “EFFECT OFF” appears.

Frequency levelFrequency band

Sound Adjustment

23GB

Press SURROUND on the unit.

Each time you press the button, the display

changes as follows:

SURROUND ON (SURR)

SURROUND OFF (off)

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).

Use buttons on the unit for the operation.

1Select the desired source sound.

2Press 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

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).

Tip

Once Game Mixing is activated, it will remain active

while the power is on even if the source sound is

changed.

Selecting the surround

effect

Enhancing video game

sound

—Game Sync

Mixing video game sound

with other sound source

— Game Mixing

24GB

You can sing along by connecting an optional

microphone.

1Turn MIC LEVEL on the unit to MIN to

turn down the microphone control

level.

2Connect an optional microphone to

MIC.

3Start playing the music.

4Adjust 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.

1Prepare the source you want to mix.

Then, load a recordable tape in deck B

and press TAPE A/B repeatedly to

select deck B.

2Press PLAY MODE repeatedly to select

g to record on one side. Select j

(or RELAY) to record on both sides.

3Press 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.

4Press REC PAUSE/START.

Deck B stands by for recording.

“REC” flashes.

5Press REC PAUSE/START, and then

start singing, speaking or playing the

desired source.

Recording starts.

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).

Singing along

(MHC-RG555 only)

Timer

25GB

You can set the system to turn off after a certain

time, so that you can fall asleep to music.

Press SLEEP.

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

* The system automatically turns off in 100 minutes or

after the current disc or tape finishes playing.

Other operations

* You cannot check the remaining time if you select

“AUTO”.

Note

Do not set to “AUTO” during Synchro Recording on a

tape.

Tip

You can use the Sleep Timer, even if you have not set

the clock.

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.

1Prepare the sound source you want to

play.

• 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).

2Press VOLUME +/– to adjust the

volume.

3Press CLOCK/TIMER SET.

4Press . or > repeatedly to select

“PLAY SET”, then press ENTER.

“ON” appears and the hour indication

flashes.

5Set 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.

6Set the time to stop playing following

the same procedure as step 5.

7Press . or > repeatedly until the

desired sound source appears.

Each time you press the button, the display

changes cyclically as follows:

Timer

Falling asleep to music

— Sleep Timer

To Press

Check the

remaining time*

SLEEP once.

Change the time

to turn off

SLEEP repeatedly to select the

time you want.

Cancel the Sleep

Timer Function

SLEEP repeatedly until “SLEEP

OFF” appears.

Waking up to music

—Play Timer

TUNER y CD PLAY T

t TAPE PLAY T

continued

26GB

8Press 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.

9Press ?/1 to turn off the system.

Other operations

Notes

• 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

The system turns on 15 seconds before the preset time.

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.

1Tune in the preset radio station (see

“Listening to a preset station” on

page 16).

2Press CLOCK/TIMER SET.

3Press . or > repeatedly to select

“REC SET”, then press ENTER.

“ON” appears and the hour indication

flashes.

4Set 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.

5Set 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.

6Load a recordable tape into deck B.

7Press ?/1 to turn off the system.

To Do this

Check the setting 1Press CLOCK/TIMER

SELECT.

2Press . or >

repeatedly until “PLAY

SELECT” appears, then

press ENTER.

Change the setting Start over from step 1.

Cancel the timer 1Press CLOCK/TIMER

SELECT.

2Press . or >

repeatedly until “TIMER

OFF” appears, then press

ENTER.

Timer recording radio

programs

— Rec Timer

Display

27GB

Other operations

Notes

• 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.

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)

* 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.

To Do this

Check the setting 1Press CLOCK/TIMER

SELECT.

2Press . or >

repeatedly until “REC

SELECT” appears, then

press ENTER.

Change the setting Start over from step 1.

Cancel the timer 1Press CLOCK/TIMER

SELECT.

2Press . or >

repeatedly until “TIMER

OFF” appears, then press

ENTER.

Display

Turning off the display

— Power Saving Mode

28GB

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) “– –.– –” appears when playing back MP3 audio

tracks.

2) “– –.– –” appears in ALL DISCS, SHUFFLE or

program play mode or when playing back MP3

audio tracks.

3) 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) TOC = Table of Contents; displays current disc

number, total number of tracks on the disc, and total

playing time of the disc.

2) 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) European model only

2) 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.

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

Viewing information

about the disc in the

display

Changing the Power

illuminator

(MHC-GX750/GX450/RG555/RG551S/

RG444S/RG441/RG333/RX550 only)

Optional Components

29GB

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.

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

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.

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.

Optional Components

Hooking up optional components

ALBUM

TUNING TUNING

Optional video game

machine TV

From the audio and video output of

the video game machine To the video input of a TV

From the audio output of the VCR or

MD deck

VCR or MD deck

continued

30GB

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.

Listening to a connected VCR

1Connect the audio cords.

See “Hooking up optional components” on

page 29.

2Press VIDEO/MD.

Start playing the connected component.

Listening to a connected MD

deck

1Connect the audio cords.

See “Hooking up optional components” on

page 29.

2Press 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.

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”.

Hooking up the transmitter

1Set 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

(MHC-GX750 only)

DC IN 9V

OFF ON

FILTERNOISE

123

CHANNEL

RBAL

AUDIO IN

Optional

Components

(TV, VCR,

Personal

computer, etc.)

Connecting

cord (supplied)

Right

channel

(red)

Left

channel

(white)

to AUDIO IN B

jack

Transmitter

to AUDIO IN A

jacks

Right

channel

(red)

Left

channel

(white) Unimatch plug

adaptor (not

supplied)

to headphones

(stereo phone jack)

or LINE OUT jack

(stereo mini jack)

to LINE OUT or

REC OUT jack

Optional Components

31GB

2Connect the transmitter to a wall outlet

using the supplied AC power adaptor.

The transmitter automatically turns on.

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.

• 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.

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 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.

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.

AC power adaptor

(supplied: AC-GSX100)

to wall outlet

to DC IN 9V jack

Transmitter

Polarity of the plug

continued

32GB

Listening to audio using

wireless system

1Start playing the connected

component.

2Press WIRELESS on the unit to switch

the function to WIRELESS.

When the sound is distorted

1Move CHANNEL 1–3 on the transmitter to

select a radio frequency.

CHANNEL 1: 913.4 MHz

CHANNEL 2: 914.0 MHz

CHANNEL 3: 914.6 MHz

2Press 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.

Troubleshooting

33GB

Should you encounter a problem with your

system, do the following:

1Make sure the power cord and speaker

cords are correctly and firmly connected.

2Find 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.

General

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.

“– –:– –” 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.

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).

Troubleshooting

Problems and remedies

When the ?/1 indicator flashes

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 short-

circuited?

• 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.

continued

34GB

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

Troubleshooting

35GB

Tuner

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.

A stereo FM program cannot be received in

stereo.

• Press FM MODE repeatedly until “STEREO”

appears.

Tape deck

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).

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.

Transmitter (MHC-GX750 only)

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).

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.

1Disconnect the power cord.

2Reconnect the power cord.

3Press x, PLAY MODE/TUNING MODE and

DISC 1 at the same time.

4Press ?/1 to turn on the system.

The system is reset to the factory settings. You

should set the settings you made, such as the

preset stations, clock, and timer.

36GB

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.

Messages

Additional Information

37GB

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

• 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.

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 the speaker system

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.

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

Precautions

continued

38GB

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.

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.

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.

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.

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)

Break off the

cassette tab

Specifications

Additional Information

39GB

MHC-GX450

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)

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)

European and Russian models:

MHC-RG444S

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-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-RG222/RG121

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-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:

MHC-RG555

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-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)

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

40GB

MHC-RG222/RG221

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)

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 Compact disc and digital

audio system

Laser Semiconductor laser

(λ=780 nm)

Emission duration:

continuous

Frequency response 2 Hz – 20 kHz (±0.5 dB)

Wavelength 780 – 790 nm

Signal-to-noise ratio More than 90 dB

Dynamic range More than 90 dB

Tape deck section

Recording system 4-track 2-channel, stereo

Frequency response 50 – 13,000 Hz (±3 dB),

using Sony TYPE I

cassettes

Wow and flutter ±0.15% W. Peak (IEC)

0.1% W. RMS (NAB)

±0.2% W. Peak (DIN)

Tuner section

FM stereo, FM/AM superheterodyne tuner

FM tuner section

Tuning range

North American model: 87.5 – 108.0 MHz

(100-kHz step)

Russian model: 65.0 – 74.0 MHz

(There is no stereo effect.

10-kHz step)

87.5 – 108.0 MHz

(50-kHz step)

Other models: 87.5 – 108.0 MHz

(50-kHz step)

Antenna FM lead antenna

Antenna terminals 75 ohms unbalanced

Intermediate frequency 10.7 MHz

AM tuner section

Tuning range

Pan-American models: 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

9kHz)

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

Additional Information

41GB

Speaker

North American models:

Front speaker SS-RG555 for MHC-GX750/

RX550

Speaker system 3-way, 3-unit, bass-reflex

type

Speaker units

Woofer: 15 cm, cone type

Sub woofer: 15 cm, cone type

Tweeter: 5 cm, cone type

Nominal impedance 6 ohms

Dimensions (w/h/d) Approx. 267 × 365 ×

295 mm

Mass Approx. 5.1 kg net per

speaker

Sub woofer SS-WG750 for MHC-GX750/

RX550

Speaker system Bass-reflex type

Speaker units

Woofer: 20 cm, cone type

Nominal impedance 6 ohms

Dimensions (w/h/d) Approx. 267 × 327 ×

365 mm

Mass Approx. 7.5 kg

Front speaker SS-RG444 for MHC-GX450/

GX250

Speaker system 3-way, 3-unit, bass-reflex

type

Speaker units

Woofer: 13 cm, cone type

Sub woofer: 13 cm, cone type

Tweeter: 5 cm, cone type

Nominal impedance 6 ohms

Dimensions (w/h/d) Approx. 242 × 327 ×

235 mm

Mass Approx. 3.7 kg net per

speaker

Sub woofer SS-WG450 for MHC-GX450

Speaker system Bass-reflex type

Speaker units

Woofer: 20 cm, cone type

Nominal impedance 6 ohms

Dimensions (w/h/d) Approx. 267 × 327 ×

365 mm

Mass Approx. 5.7 kg

European and Russian models:

Front speaker SS-RG444 for MHC-RG444S/

RG222

Speaker system 3-way, 3-unit, bass-reflex

type

Speaker units

Woofer: 13 cm, cone type

Sub woofer: 13 cm, cone type

Tweeter: 5 cm, cone type

Nominal impedance 6 ohms

Dimensions (w/h/d) Approx. 242 × 327 ×

235 mm

Mass Approx. 3.7 kg net per

speaker

Sub woofer SS-WG450 for MHC-RG444S

Speaker system Bass-reflex type

Speaker units

Woofer: 20 cm, cone type

Nominal impedance 6 ohms

Dimensions (w/h/d) Approx. 267 × 327 ×

365 mm

Mass Approx. 5.7 kg

Front speaker SS-RG555 for MHC-RG333

Speaker system 3-way, 3-unit, bass-reflex

type

Speaker units

Sub Woofer: 15 cm, cone type

Woofer: 15 cm, cone type

Tweeter: 5 cm, cone type

Nominal impedance 6 ohms

Dimensions (w/h/d) Approx. 267 × 365 ×

295 mm

Mass Approx. 5.1 kg net per

speaker

Front speaker SS-RG121 for MHC-RG121/

RG100

Speaker system 3-way, 3-unit, bass-reflex

type

Speaker units

Super Tweeter: 2 cm, dome type

Woofer: 13 cm, cone type

Tweeter: 5 cm, cone type

Nominal impedance 6 ohms

Dimensions (w/h/d) Approx. 202 × 327 ×

230 mm

Mass Approx. 3.0 kg net per

speaker

continued

42GB

Other models:

Front speaker SS-RG555 for MHC-RG555/

RG551S/RG441

Speaker system 3-way, 3-unit, bass-reflex

type

Speaker units

Sub Woofer: 15 cm, cone type

Woofer: 15 cm, cone type

Tweeter: 5 cm, cone type

Nominal impedance 6 ohms

Dimensions (w/h/d) Approx. 267 × 365 ×

295 mm

Mass Approx. 5.1 kg net per

speaker

Sub woofer SS-WG750 for MHC-RG551S

Speaker system Bass-reflex type

Speaker units

Woofer: 20 cm, cone type

Nominal impedance 6 ohms

Dimensions (w/h/d) Approx. 267 × 327 ×

365 mm

Mass Approx. 7.5 kg

Front speaker SS-RG444 for MHC-RG222/

RG221

Speaker system 3-way, 3-unit, bass-reflex

type

Speaker units

Sub woofer: 13 cm, cone type

Woofer: 13 cm, cone type

Tweeter: 5 cm, cone type

Nominal impedance 6 ohms

Dimensions (w/h/d) Approx. 242 × 327 ×

235 mm

Mass Approx. 3.7 kg net per

speaker

Front speaker SS-RG121 for MHC-RG121

Speaker system 3-way, 3-unit, bass-reflex

type

Speaker units

Super Tweeter: 2 cm, dome type

Woofer: 13 cm, cone type

Tweeter: 5 cm, cone type

Nominal impedance 6 ohms

Dimensions (w/h/d) Approx. 202 × 327 ×

230 mm

Mass Approx. 3.0 kg net per

speaker

Transmitter

TMR-HT1 for MHC-GX750

Carrier frequency 913.4 – 914.6 MHz

Channel

CHANNEL 1: 913.4 MHz

CHANNEL 2: 914.0 MHz

CHANNEL 3: 914.6 MHz

Modulation FM stereo

Power source DC 9 V: supplied AC

power adaptor

(AC-GSX100)

Audio input phono jacks/stereo mini

jack

General

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

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)

Additional Information

43GB

MHC-RG100: 55 watts

0.25 watts (at the Power

Saving Mode)

Other models:

MHC-RG555: 155 watts

MHC-RG551S: 275 watts

MHC-RG441: 155 watts

MHC-RG222: 180 watts

MHC-RG221: 180 watts

MHC-RG121: 110 watts

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

Transmitter (MHC-GX750 only)

Approx. 146 g

Supplied accessories 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.

44GB

Main unit

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

List of button locations and reference pages

How to use this page

Use this page to find the location of buttons and other

parts of the system that are mentioned in the text.

Ill

on num

TAPE A/B ed (18, 19, 20, 24)

Name of button/part Reference page

ALPHABETICAL ORDER

A – O P – Z

BUTTON DESCRIPTIONS

ALBUM

TUNING TUNING

12345 6 78 9

waws

wfwg

Additional Information

45GB

Sub woofer (MHC-GX750/GX450/RG551S/RG444S/RX550 only)

Indicator 1

SUB WOOFER ON/OFF 2 (21)

ALPHABETICAL ORDER

continued

46GB

Remote control

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)

?/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

ALPHABETICAL ORDER

A – E F – Z

BUTTON DESCRIPTIONS

ws 1

Sony Corporation Printed in China

Sony Group HT1 Stereo Transmitter User Manual

Sony Corporation Stereo Transmitter

User Manual

Navigation menu

Namespaces

Views

Navigation