Sony MHC-EC55 Leaflet

MHC-GX99/EC77/EC55.GB.2-899-084-11(1)

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.
Install this system so that the power cord can be 

unplugged from the wall socket immediately in the event 

of trouble.

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.

2-899-084-11(1)

GB

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. ______________

© 2007 Sony Corporation 

Printed in China

Don’t throw away the battery with 

general house waste, dispose of it 

correctly as chemical waste.

A moulded plug complying with BS1363 is fitted to this 

equipment for your safety and convenience.

Should the fuse in the plug supplied need to be replaced, 

a fuse of the same rating as the supplied one and 

approved by ASTA or BSI to BS1362, (i.e., marked with 

 or   mark) must be used.

If the plug supplied with this equipment has a detachable 

fuse cover, be sure to attach the fuse cover after you 

change the fuse. Never use the plug without the fuse 

cover. If you should lose the fuse cover, please contact 

your nearest Sony service station.

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.

The use of optical instruments with this product will 

increase eye hazard.

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.

FM lead antenna

(Extend it horizontally.)

AM loop antenna

Wall socket

Remove all discs to protect the CD mechanism.

Hold down CD   on the unit, and press   until 

“STANDBY” appears.

After “LOCK” appears, unplug the power cord.

Insert only the 

stripped portion 

of the cord.

Solid (Blue/)

Solid (Black/)

Press VOLUME +/– on the remote (or turn the 

VOLUME control on the unit) .

Generate a more dynamic 

sound (Dynamic Sound 

Generator X-tra)

DSGX  on the unit.

Set the sound effect

EQ .

Press SUBWOOFER ON/OFF in the lower part of the 

subwoofer until the indicator on the subwoofer lights up.

* To adjust the sound output level for the subwoofer, turn the 

SUBWOOFER LEVEL in the lower part of the subwoofer. Once you 

have made the adjustment, the overall sound level can be adjusted 

using VOLUME +/– on the remote (or turn the VOLUME control 

on the unit) .

Select the CD function.
Press CD on the remote (or FUNCTION repeatedly) 

.

Place a disc.
Press  (open/close)  on the unit, and place a 

disc with the label side up on the disc tray. To place 

additional discs, slide the disc tray with your finger as 

shown below.

To close the disc tray, press  (open/close)  on the 

unit.

Do not force the disc tray closed with your finger, as 

this may damage the unit.

Select a disc.
If the discs are currently stopped, press DISC SKIP on 

the remote (or DISC SKIP/EX-CHANGE on the unit) 

. To change discs while in other functions, press 

DISC 1 – 3  on the unit.

Start playback.
Press  (play) (or CD  (play/pause) on the unit) 

.

To exchange other discs during playback, press DISC 

SKIP/EX-CHANGE  on the unit. 

Pause playback

 (pause) on the remote (or CD 

 on the unit) . To resume 

play, press the button again.

Stop playback

 (stop) .

Select a folder on an 

MP3 disc

 +/– .

Select a track or file  (go back/go forward) 

on the remote ( on the 

unit) .

Find a point in a 

track or file 

Hold down / (rewind/fast 

forward)  during playback, and 

release the button at the desired 

point.

Select Repeat Play

REPEAT  on the remote 

repeatedly until “REP” or “REP1” 

appears.

Press PLAY MODE  repeatedly while the player is 

stopped. You can select normal play (no display for all 

discs or “1 DISC” for a disc or “ ” for all MP3 files 

in the folder on the disc), shuffle play (“SHUF” for 

all discs shuffle, “1 DISC SHUF” for one disc shuffle 

or “  SHUF*” for folder shuffle), or program play 

(“PGM”).

* When playing a CD-DA disc, 

 (SHUF) Play performs the same 

operation as 1 DISC (SHUF) Play.

 All tracks or files on a disc are played repeatedly up to five times. 

 You cannot select “REP” and “SHUF” (all discs shuffle) at the same 

time.

 “REP1” indicates that a single track or file is repeated until you stop 

it.

 Do not save other types of tracks or files or unnecessary folders on a 

disc that has MP3 files.

 Folders that have no MP3 files are skipped.

 MP3 files are played back in the order that they are recorded onto 

the disc.

 The system can only play MP3 files that have a file extension of 

“.MP3”.

 If there are files on the disc that have the “.MP3” file extension, 

but that are not MP3 files, the unit may produce noise or may 

malfunction.

 The maximum number of:

loadable sessions on a single disc is 10.

 folders is 150 (including the root folder).

 MP3 files is 255.

 MP3 files and folders that can be contained on a single disc is 300.

 folder levels (the tree structure of files) is eight.

 Compatibility with all MP3 encoding/writing software, recording 

device, and recording media cannot be guaranteed. Incompatible 

MP3 discs may produce noise or interrupted audio or may not play 

at all.

 If the disc begins with a CD-DA (or MP3) session, it is recognized 

as a CD-DA (or MP3) disc, and playback continues until another 

session is encountered.

 A disc with a mixed CD format is recognized as a CD-DA (audio) 

disc.

Select “FM” or “AM.”
Press TUNER/BAND  repeatedly.

Select the tuning mode.
Press TUNING MODE  repeatedly until “AUTO” 

appears. 

Tune in the desired station.
Press +/– on the remote (or TUNING + or – on the 

unit) .

Scanning stops automatically when a station is tuned 

in, and then “TUNED” and “STEREO” (for stereo 

programs) appear.

Press  (stop) .

If “TUNED” does not appear and the scanning does 

not stop, press TUNING MODE  repeatedly until 

“MANUAL” appears and press +/– on the remote (or 

TUNING + or – on the unit)  repeatedly to tune in the 

desired station.

Press FM MODE  on the remote repeatedly until 

“MONO” appears to turn off stereo reception.

Select a tape function.
Press TAPE on the remote (or FUNCTION on the 

unit repeatedly) .

Insert a tape.
Press  (stop/eject)  on the unit, and insert the 

tape into the cassette holder. Make sure there is no 

slack in the tape to avoid damaging the tape or the 

tape deck.

Start playback.
Press  (play)  on the unit. 

Pause playback

 (pause)  on the unit. To resume 

play, press the button again.

Stop playback

 (stop/eject)  on the unit.

Rewind or fast 

forward*



/  on the unit.

* Be sure to press  (stop/eject)  on the unit after the tape has 

been wound or rewound to the end.

Do not turn off the system during playback or recording.

Change 

information on the 

display*

DISPLAY  repeatedly when the 

system is turned on.

Change Display 

mode (See below.)

DISPLAY  repeatedly when the 

system is turned off.

* For example, you can view CD/MP3 disc information, such as the 

track or file number or folder name during normal play, or the total 

playing time while the player is stopped.

The system offers the following display modes.
Display mode

Power Saving 

Mode

2)

The display is turned off to conserve 

power. The timer and clock continue 

to operate.

Clock

3)

The clock is displayed.

1)

 The STANDBY indicator  on the unit lights up when the system is 

off.

2)

 You cannot set the clock in Power Saving Mode.

3)

 The clock display automatically turns to Power Saving Mode after 

eight seconds. 

 Characters that cannot be displayed appear as “_”.

 The following are not displayed;

 total playing time for an MP3 disc.

 remaining playing time for an MP3 file.

 The following are not displayed correctly;

 elapsed playing time of an MP3 file encoded using a VBR (variable 

bit rate).

 folder and file names that do not follow either the ISO9660 Level 

1, Level 2 or Joliet in the expansion format.

 The following are displayed;

 total playing time for a CD-DA disc when the play mode is “1 

DISC”.

 remaining playing time for a track.

 ID3 tag information for MP3 files when ID3 version 1 and version 

2 tags are used (ID3 version 2 tag information display has priority 

when both ID3 version 1 and version 2 tags are used for a single 

MP3 file).

 up to 15 characters of ID3 tag information using uppercase letters 

(A to Z), numbers (0 to 9), and symbols (‘< > * + , – / @ [ \ ] _).

You are cautioned that any changes or modifications 

not expressly approved in this manual could void your 

authority to operate this equipment.

This symbol on the product or on its packaging indicates 

that this product shall not be treated as household 

waste. Instead it shall be handed over to the applicable 

collection point for the recycling of electrical and 

electronic equipment. By ensuring this product is 

disposed of correctly, you will help prevent potential 

negative consequences for the environment and human 

health, which could otherwise be caused by inappropriate 

waste handling of this product. The recycling of materials 

will help to conserve natural resources. For more detailed 

information about recycling of this product, please 

contact your local Civic Office, your household waste 

disposal service or the shop where you purchased the 

product.

A DualDisc is a two sided disc product which mates 

DVD recorded material on one side with digital 

audio material on the other side. However, since the 

audio material side does not conform to the Compact 

Disc (CD) standard, playback on this product is not 

guaranteed.

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.

MPEG Layer-3 audio coding technology and patents 

licensed from Fraunhofer IIS and Thomson.

Connect the subwoofer 

to the SUBWOOFER 

OUT jack with the 

subwoofer cable 

(supplied).

Place the subwoofer vertically to obtain a better bass reproduction. 

Also, position the subwoofer:



on a solid floor where resonance is unlikely to occur.



at least a few centimeters away from the wall.



away from the center of the room or place a bookshelf against a wall, to avoid 

generating a standing wave.

Attach the supplied speaker pads to the bottom of the front speakers 

and subwoofer to prevent slipping.

Front speakers: 

4 pads for each speaker

Subwoofer: 

4 pads (MHC-GX99 only)

Left speaker (High freq.)

Solid (Red/)

Solid (Gray/)

Right speaker

(High freq.)

Connect the power cord to a wall socket.

If the plug does not fit the wall socket, 

detach the supplied plug adaptor (only 

for models equipped with an adaptor).

Right speaker

(Low freq.)

Left speaker (Low freq.)

* Except for North American model

Slide and remove the battery compartment lid , and 

insert the two R6 (size AA) batteries (supplied),  side 

first, matching the polarities shown below. 

 With normal use, the batteries should last for about six months.

 Do not mix an old battery with a new one or mix different types of 

batteries.

 If you do not use the remote for a long period of time, remove the 

batteries to avoid damage from battery leakage and corrosion.

 Batteries installed devices shall not be exposed to excessive heat such 

as sunshine, fire or the like.

Turn on the system.
Press  (on/standby) .

Select the clock set mode.
Press CLOCK/TIMER SET  on the remote. If the 

current mode appears on the display, press / 

 on the remote repeatedly to select “CLOCK,” and 

then press ENTER  on the remote.

Set the time.
Press /  on the remote repeatedly to set 

the hour, and then press ENTER  on the remote. 

Use the same procedure to set the minutes.

The clock settings are lost when you disconnect the 

power cord or if a power failure occurs.

Press the following buttons (or press FUNCTION  

repeatedly).
To select

CD

CD  on the remote.

Tuner

TUNER/BAND .

Tape

1)

TAPE  on the remote.

Component

2)

 (connected 

using an audio cord)

FUNCTION repeatedly 

(or AUDIO IN

3)

 on 

the remote)  until 

“AUDIO IN” appears.

1)

 Except for North American model.

2)

 If the component has the AVLS (Automatic Volume Limiter System) 

or BASS BOOST function, turn off the function to avoid distorted 

sound from the speakers.

3)

 North American model only.

*

Connect headphones to the PHONES jack  on the 

unit.

Connect additional audio source components to the 

AUDIO IN jack  on the unit using an analog audio 

cord (not supplied). Turn down the volume on the 

system, and then select the AUDIO IN function.

Find a location and an orientation that provide good 

reception, and then set up the antenna.

Keep the antennas away from the speaker cords and the 

power cord to avoid picking up noise.

For models with a voltage selector, set 

VOLTAGE SELECTOR to the local 

power line voltage.

*Saudi Arabian model: 120 – 127 V/220 – 240 V/

NO OPERATION