The model and serial numbers are located on the bottom of the unit. Record these numbers in the space provided below. Refer to these numbers whenever you call upon your Sony dealer regarding this product. Model No. CDX-L550X Serial No.
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CAUTION The use of optical instruments with this product will increase eye hazard. Welcome ! Thank you for purchasing this Sony Compact Disc Player. You can enjoy its various features even more with: •CD TEXT information (displayed when a CD TEXT disc* is played).
Table of Contents Location of controls ... 4 Precautions ... 6 Notes on discs ... 6 Getting Started Resetting the unit ... 7 Detaching the front panel ... 8 Setting the clock ... 9 CD Player Playing a disc ... 9 Display items ...
Location of controls Refer to the pages listed for details. : During Playback 1 MBP (My Best sound Position) button 17 2 Z (eject) button (located on the front side of the unit, behind the front panel) 9 3 MENU button 9, 11, 12, 13, 16, 18 4 Volume control dial 5 LIST button 13 6 Receptor for the card remote...
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(PRESET) (+): to select upwards (SEEK) (–): to select leftwards/ (PRESET) (–): to select downwards In menu mode, the currently selectable button (s) of these four are indicated with a “M” in the display. qk PRESET buttons (+/–) 11, 13 RADIO 9, 11, 12, 13, 16, 18 MENU...
If you have any questions or problems concerning your unit that are not covered in this manual, please consult your nearest Sony dealer. Moisture condensation On a rainy day or in a very damp area, moisture condensation may occur inside the lenses and display of the unit.
Notes on CD-R discs •You can play CD-Rs (recordable CDs) designed for audio use on this unit. Look for this mark to distinguish CD-Rs for audio use. This mark denotes that a disc is not for audio use. •Some CD-Rs (depending on the equipment used for its recording or the condition of the disc) may not play on this unit.
Detaching the front panel You can detach the front panel of this unit to protect the unit from being stolen. Caution alarm If you turn the ignition switch to the OFF position without removing the front panel, the caution alarm will beep for a few seconds. If you connect an optional amplifier and do not use the built-in amplifier, the beep sound will be deactivated.
Setting the clock The clock uses a 12-hour digital indication. Example: To set the clock to 10:08 Press (MENU), then press either side of (PRESET) repeatedly until “CLOCK” appears. 1 Press (ENTER). The hour indication flashes. 2 Press either side of (PRESET) to set the hour.
Display items When the disc/track changes, any prerecorded title of the new disc/track is automatically displayed (if the Auto Scroll function is set to “ON,” names exceeding 8 characters will be scrolled (page 16)). Displayable items • Music source • Clock •...
Radio The unit can store up to 6 stations per band (FM1, FM2, FM3, AM1, and AM2). Caution When tuning in stations while driving, use Best Tuning Memory to prevent accidents. Storing stations automatically — Best Tuning Memory (BTM) The unit selects the stations with the strongest signals within the selected band, and stores them in the order of their frequency.
Storing only the desired stations You can manually preset the desired stations on any chosen number button. Press (SOURCE) repeatedly to select the radio. Press (MODE) repeatedly to select the band. Press either side of (SEEK) to tune in the station that you want to store.
Tips • Simply overwrite or enter “_” to correct or erase a name. • There is another way to start storing station names: Press (LIST) for 2 seconds instead of performing steps 2 and 3. You can also complete the operation by pressing (LIST) for 2 seconds instead of step 5.
Other Functions You can also control the unit with a rotary commander (optional). Using the rotary commander First, attach the appropriate label depending on how you want to mount the rotary commander. The rotary commander works by pressing buttons and/or rotating controls. S O U N D M O D E M O D E...
Changing the operative direction The operative direction of controls is factory- set as shown below. To increase To decrease If you need to mount the rotary commander on the right hand side of the steering column, you can reverse the operative direction. Press (SOUND) for 2 seconds while pushing the VOL control.
Changing the sound and display settings The following items can be set: SET (Set Up) •CLOCK (page 9) •BEEP — to turn the beeps on or off. •RM (Rotary Commander) — to change the operative direction of the controls of the rotary commander.
Selecting the sound position — “My Best sound Position (MBP)” When you drive without passengers, you can enjoy the most comfortable sound environment with “My Best sound Position.” “My Best sound Position” has two presets, which adjust the sound level of balance and fader.
If the fuse blows again after replacement, there may be an internal malfunction. In such a case, consult your nearest Sony dealer. Fuse (10 A) Warning Never use a fuse with an amperage rating exceeding the one supplied with the unit as this could damage the unit.
Notes • For safety, turn off the ignition before cleaning the connectors, and remove the key from the ignition switch. • Never touch the connectors directly with your fingers or with any metal device. Replacing the lithium battery Under normal conditions, batteries will last approximately 1 year.
Specifications AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION 23 watts per channel minimum continuous average power into 4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than 5% total harmonic distortion. CD player section Signal-to-noise ratio 90 dB Frequency response...
Troubleshooting The following checklist will help you remedy problems you may encounter with your unit. Before going through the checklist below, check the connection and operating procedures. General No sound. •Rotate the volume control dial clockwise to adjust the volume. •Cancel the ATT function.
The CD unit cannot be operated because of some problem. t Press the RESET button on the unit. If these solutions do not help improve the situation, consult your nearest Sony dealer. Messages L.SEEK +/– The Local Seek mode is on during automatic tuning (page 11).