SONY D-EQ550
Owner's Manual

To turn off the operation beep sound
You can turn off the beep sound that is heard from your headphones/earphones when you operate your CD player. 1 Remove the power source (AC power adaptor or dry batteries) from the CD player. 2 Connect the power source while pressing x. To turn on the beep sound
Remove the power source and then connect the power source without pressing x.

BPower Sources Replacing the lid cover
You can change the look of your CD player by replacing the lid cover with the other supplied one.

Battery life (approx. hours)(JEITA*)
Battery life varies depending on how the player is used.

BAdditional Information Troubleshooting Precautions
On safety
� Should any solid objects or liquid fall into the unit, unplug it and have it checked by qualified personnel before operating it any further. � Do not put any foreign objects in the DC IN 4.5 V (external power input) jack. Should any problem persist after you have made these checks, consult your nearest Sony dealer.

Supplied accessories

Specifications
System Compact disc digital audio system Laser diode properties Material: GaAlAs Wavelength: λ = 780 nm Emission duration: Continuous Laser output: Less than 44.6 µW (This output is the value measured at a distance of 200 mm from the objective lens surface on the optical pick-up block with 7 mm aperture. ) Error correction Sony Super Strategy Cross Interleave Reed Solomon Code D-A conversion 1-bit quartz time-axis control Frequency response 20 - 20 000 Hz +1 dB (measured by JEITA CP307) Output (at 4.5 V input level) Headphones (stereo minijack) Approx. 10 mW + approx. 10 mW at 16 � Power requirements For the area code of the model you purchased, check the upper left side of the bar code on the package. � Two LR6 (size AA) batteries: 3 V DC � AC power adaptor (DC IN 4.5 V jack): U/U2/CA2/E92/MX2/TW2/BR3 model: 120 V, 60 Hz CED/CEX/CET/CEW/CE7/EE/EE1/ E13/G5/G6/G7/G8/BR1 model: 220 - 230 V, 50/60 Hz CEK/3CE7 model: 230 - 240 V, 50 Hz AU2 model: 240 V, 50 Hz JE.W/E33/EA3/KR4 model: 100 - 240 V, 50/60 Hz HK2 model: 220 V, 50/60 Hz AR1/CNA model: 220 V, 50 Hz Dimensions (w/h/d) (without projecting parts and controls) Approx. 130.6 � 29.8 � 150.5 mm (5 1�4 � 1 3�16 � 6 in.) Mass (excluding accessories) Approx. 210 g (7.5 oz) Operating temperature 5°C - 35°C (41°F - 95°F)
�5

Using the dry batteries
Use only the following dry battery type for your CD player: � LR6 (size AA) alkaline batteries Note
Be sure to remove the AC power adaptor when using the dry batteries.

ESP OFF Two Sony alkaline batteries LR6(SG) (produced in Japan) 23

ESP ON 33

For the area code of the model you purchased, check the upper left side of the bar code on the package. Headphones (1) Lid cover (1) Headphones caps (1 pair) Design and specifications are subject to change without notice.

To remove the lid cover
While pushing the RELEASE control in the direction of the arrow, turn the lid cover counterclockwise.
Rear side of the lid

The CD does not play or �no dlSC� appears in the display though a CD is placed in the CD player.
The buttons are locked. Slide HOLD back. The CD is dirty or defective. Insert the CD with the label side up. Moisture condensation has occurred. Leave the CD player aside for several hours until the moisture evaporates. c Close the lid of the CD player and the battery compartment firmly. c Make sure the batteries are inserted correctly. c Connect the AC power adaptor to a wall outlet securely. c The CD-R/CD-RW was not finalized. Finalize the CD-R/CD-RW with the recording device. c c c c

* Measured value by the standard of JEITA (Japan Electronics and Information Technology Industries Association). (When the CD player is used on a flat and stable place.)

Optional accessories
Car connecting pack CPA-9C Car battery cord with car connecting pack DCC-E34CP Car battery cord DCC-E345 Active speaker system SRS-A27 Connecting cord RK-G129, RK-G136 AC power adaptor AC-E45HG Stereo headphones* MDR-EX70LP, MDRE848LP, MDR-Q33LP Headphones caps HC-Q33 Ear pads EP-Q1 * When using optional headphones, use only headphones with stereo miniplugs. You cannot use headphones with micro plugs.

On power sources
� When you are not using the CD player for a long time, disconnect all power sources from the player.

1

Open the battery compartment lid.

Using the supplied headphones
Thanks to their secure fit over the ears, the supplied headphones minimize sound leakage and maintain high audio quality.
(rear)

On the AC power adaptor
� Use only the supplied AC power adaptor. If your player is not supplied with it, use ACE45HG AC power adaptor. Do not use any other AC power adaptor. Polarity of the plug

2

Wearing the headphones
The following procedures are for wearing on the left ear. 1 Hook the end of the hanger over the top of your ear.

Insert two LR6 (size AA) alkaline batteries by matching the 3 to the diagram in the battery compartment.

c There is a problem with the quality of the CD-R/CD-RW, recording device, or application software.

� To unplug the AC power adaptor from the wall outlet, grasp the adaptor itself, do not pull its cord.

To attach the lid cover
1 Align the v mark on the rear side of the lid cover with the v mark on the lid.
Rear side of the lid cover

� Do not throw the batteries into fire. � Do not carry the batteries with coins or other metallic objects. It can generate heat if the positive and negative terminals of the battery are accidentally contacted by a metallic object. � Do not mix new batteries with old ones. � Do not use different types of batteries together. � When the batteries are not to be used for a long time, remove them. � If battery leakage occurs, wipe off any deposit in the battery compartment, and install new batteries. In case the deposit adheres to you, wash it off thoroughly.

On dry batteries

�00� appears in the display for a moment, and disappears. The CD does not play.

c Dry batteries are used up. Replace them with new LR6 (size AA) alkaline batteries.

Stereo miniplug

Micro plug

No sound, or noise is heard.
c Connect the plugs firmly. c Plugs are dirty. Clean the plugs with a dry soft cloth periodically.

Your dealer may not handle some of the accessories listed above. Please ask the dealer for detailed information about the accessories in your country.

�Hl dc ln� appears in the display.
c Use only the supplied AC power adaptor or AC power adaptor AC-E45HG (not supplied). c Remove all power sources, then insert the batteries or connect the AC power adaptor again.

2 Turn the hanger along your ear until the headphone is secure.

To remove the batteries
Remove the batteries as illustrated below.

On the CD player
� Keep the lens of the CD player clean and do not touch it. If you do so, the lens may be damaged and the CD player will not operate properly. � Do not put any heavy object on top of the CD player. The unit and the CD may be damaged. � Do not leave the CD player in a location near heat sources, or in a place subject to direct sunlight, excessive dust or sand, moisture, rain, mechanical shock, unleveled surface, or in a car with its windows closed. � If the CD player causes interference to radio or television reception, turn off the CD player or move it away from the radio or television. � Discs with non-standard shapes (e.g., heart, square, star) cannot be played on this CD player. Attempting to do so may damage the CD player. Do not use such discs.
�

�Hold� appears in the display when you press a button.
c The buttons are locked. Slide HOLD back.

The indication appears in the display when you press a button.
c Dry batteries are used up. Replace them with new LR6 (size AA) alkaline batteries.

To remove the headphones caps
Place your thumb on the spindle of the hanger and your index finger on the lip of the cap, then pull the cap toward you.

The battery life is short.
c Manganese batteries are used. Use alkaline batteries. c Replace the batteries with new ones.

When to replace the batteries
You can check the remaining power of the 2 Turn the lid cover clockwise until it clicks into place. batteries in the display. Battery power is full. r r r

The rechageable batteries cannot be charged in the battery compartment of this CD player.
c This CD player does not have the function to charge the rechargeable batteries.

On headphones/earphones
Battery power is getting low. Road safety
Do not use headphones/earphones while driving, cycling, or operating any motorized vehicle. It may create a traffic hazard and is illegal in some areas. It can also be potentially dangerous to play your headsets at high volume while walking, especially at pedestrian crossings. You should exercise extreme caution or discontinue use in potentially hazardous situations.

The volume is limited to a certain level even if you attempt to turn it up.
c AVLS function keeps down the volume. Hold down SOUND until �AVLS� disappears from the display.

This warranty is valid only in the United States.

To attach the headphones caps
Align the catch with the hole, and then press the cap softly until it clicks.
Catch

r Battery power is low. r Lo batt* Batteries are depleted.
*Beep sounds.

Playback starts from the point you stopped. (resume function)
c The resume function is working. To start playing from the first track, press > N for 2 seconds or more, or open the lid of the CD player. Or remove all power sources, then insert the batteries or connect the AC power adaptor again.

Hole

When the batteries are depleted, replace both batteries with new ones. Notes
� The indicator sections of roughly shows the remaining battery power. One section does not always indicate one-fourth of the battery power. � Depending on operating conditions, the indicator sections of may increase or decrease.

Preventing hearing damage
Avoid using headphones/earphones at high volume. Hearing experts advise against continuous, loud and extended play. If you experience a ringing in your ears, reduce volume or discontinue use.

Notes on handling the supplied headphones
� Avoid rough handling or mechanical shock. Be particularly careful of the headphone part. � Do not put force or weight on the unit for a long time as that may damage or deform the unit. � Do not leave the unit in a location subject to moisture, dust, smoke, steam or direct sunlight. � Clean the plug with a dry soft cloth. A dirty plug may cause the sound quality to deteriorate. � Clean the headphone part with a dry soft cloth. � The earpads may deteriorate after long-term storage or use. Replace them with EP-Q1 earpads (not supplied).

Consideration for others
Keep the volume at a moderate level. This will allow you to hear outside sounds and to be considerate to the people around you.

When closing the lid of the CD player, the CD starts to rotate.
c The CD player is reading the information on the CD. It is not malfunctioning.

To attach the battery compartment lid
If the battery compartment lid is detached by an accidental drop, excessive force, etc., attach it as illustrated below.

Maintenance
To clean the casing
Use a soft cloth slightly moistened in water or a mild detergent solution. Do not use alcohol, benzine or thinner.