3-865-913-11 (1) FM/AM Compact Disc Player Operating Instructions Owner’s Record The model and serial numbers are located on the bottom of the unit. Record the serial number in the space provided below. Refer to these numbers whenever you call upon your Sony dealer regarding this product. Model No. CDX-C6750␣ ␣ Serial No. For installation and connections, see the supplied installation/connections manual.
Warning Welcome ! 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.
Table of Contents This Unit Only With Optional Equipment Location of controls ................................................. 4 Getting Started Resetting the unit ................................................ 6 Detaching the front panel .................................. 6 Setting the clock .................................................. 7 CD Player Listening to a CD ................................................ 7 Playing a CD in various modes ........................
Location of controls OPEN SOUND MODE DSPL LIST OFF 1 2 3 SOURCE OFF D - BASS SHIFT SEEK/AMS 1 2 3 4 5 6 7 8 9 10 CDX-C6750 Refer to the pages for details.
Optional wireless remote (RM-X47) OFF MODE SOURCE DIR SEEK AMS – REW – PRESET DISC SOUND + FF + SEL ATT DSPL The corresponding buttons of the wireless remote control the same functions as those on this unit. 1 OFF button 6 DSPL button 2 SEEK/AMS button 7 PRESET/DISC button 3 (–) (+) buttons You cannot perform manual search or manual tuning with the wireless remote.
Attaching the front panel Getting Started Place the hole a in the front panel onto the spindle b on the unit as illustrated, then push the left side in. a Resetting the unit b Before operating the unit for the first time or after replacing the car battery, you must reset the unit. Remove the front panel and press the reset button with a pointed object, such as a ballpoint pen. Reset button µ Notes • Pressing the reset button will erase the clock setting and some memorized functions.
Setting the clock The clock uses a 12-hour digital indication. CD Player Example: To set the clock to 10:08 1 Press (SHIFT), then press (3) (SET UP) repeatedly until “CLOCK” appears. Listening to a CD 1 Press (OPEN) and insert the CD. Labeled side up 1 Press (5) (n). 6 The hour indication flashes. 2 Set the hour. to go backward 2 SOURCE to go forward Close the front panel. Playback starts automatically.
Changing the display item 1 During playback, press (SHIFT). Each time you press (DSPL) during CD or CD TEXT disc playback, the item changes as follows: 2 Press (3) (SET UP) repeatedly until “A.SCRL” appears. $ Track number/ Elapsed playback time 3 Press (5) (n) to select “A.SCRL-ON.” $ Disc name*1/Artist name*2 4 Press (SHIFT). $ Track name*1 $ Clock *1 If you inserted a non-CD TEXT disc, “NO NAME” appears in the display.
Playing a CD in various modes Radio You can play CDs in various modes: •REP (Repeat Play) repeats the current track. •SHUF (Shuffle Play) plays all the tracks in random order. Memorizing stations automatically Playing tracks repeatedly — Repeat Play 1 — Best Tuning Memory (BTM) The unit selects the stations with the strongest signals and memorizes them in the order of their frequencies. You can store up to 10 stations on each band (FM1, FM2, and AM). During playback, press (SHIFT).
Notes • The unit does not store stations with weak signals. If only a few stations can be received, some number buttons will retain their former setting. • When a number is indicated in the display, the unit starts storing stations from the one currently displayed. • If a CD is not in the unit, only the tuner band appears even if you press (SOURCE). Receiving the memorized stations 1 Press (SOURCE) repeatedly to select the tuner. 2 Press (MODE) repeatedly to select the band.
If FM stereo reception is poor — Monaural Mode Storing the station names 1 —Station Memo 2 3 During radio reception, press (SHIFT), then press (4) (PLAY MODE) repeatedly until “MONO” appears. Press (5) (n) repeatedly until “MONO-ON“ appears. The sound improves, but becomes monaural (“ST” disappears). Press (SHIFT). To return to normal mode, select “MONO-OFF” in step 2 above. You can assign a name to each radio station and store it in memory.
Displaying the station name Press (DSPL) during radio reception. Locating a station by name — List-up 1 Press (LIST) momentarily. The name assigned to the station currently playing appears in the display. 2 Press (LIST) repeatedly until you find the desired station. 3 Press (6) (ENTER) to tune in the desired station.
Other Functions You can connect an optional rotary commander (RM-X4S) with this unit. Labeling the rotary commander Depending on how you mount the rotary commander, attach the appropriate label as shown in the illustration below. Using the rotary commander The rotary commander works by pressing buttons and/or rotating controls. You can also control optional CD or MD units with the rotary commander.
Press (SOUND) to adjust the volume and sound menu. By rotating the control (the SEEK/AMS control) Press (LIST) to display the memorized names. Rotate the control and release it to: •Locate a specific track on a disc. Rotate and hold the control until you locate the specific point in a track, then release it to start playback. •Tune in stations automatically. Rotate and hold the control to find a specific station.
Adjusting the sound characteristics Changing the sound and display settings You can adjust the bass, treble, balance, and fader. You can store the bass and treble levels independently for each source. The following items can be set: • CLOCK (page 7). • D.INFO (Dual Information) - to display the clock and the play mode at the same time (ON) or to display the information alternately (OFF). • AMBER/GREEN - to change the illumination color to amber or green.
Boosting the bass sound — D-bass Level You can enjoy a clear and powerful bass sound. The D-bass function boosts the low frequency signal with a sharper curve than conventional bass boost. You can hear the bass line more clearly even while the vocal volume remains the same. You can emphasize and adjust the bass sound easily with the D-BASS control. D-BASS 3 D-BASS 2 D-BASS 1 0dB Frequency (Hz) Adjusting the bass curve Turn the D-BASS control to adjust the bass level (1, 2 or 3).
Adjusting the frequency of the subwoofer(s) — Low Pass Filter (LPF) To match the characteristics of the connected subwoofer(s), you can cut out the unwanted high and middle frequency signals entering the subwoofer(s). 1 Press (SOURCE) to select a source (radio, CD, or MD). 2 Press (SHIFT), then press (3) (SET UP) repeatedly until “LPF” appears. 3 Press (5) (n) or (2) (N) repeatedly to select desired setting.
You can label CD and CD TEXT discs with a personalized name using the disc memo function. Refer to “Labeling a CD” (page 20). However, if you use personalized labels, they will always take priority over the original CD TEXT information when such information is displayed. 1 During playback, press (SHIFT). 2 Press (3) (SET UP) repeatedly until “A.SCRL” appears. 3 Press (5) (n) to select “A.SCRL-ON.
Locating a specific track — Automatic Music Sensor (AMS) During playback, push the SEEK/AMS control up or and release once for each track you want to skip. To locate succeeding tracks To locate preceding tracks Playing tracks repeatedly — Repeat Play You can select: • REP-1 - to repeat a track. • REP-2 - to repeat a disc. 1 During playback, press (SHIFT). 2 Press (7) (REP) repeatedly until the desired setting appears.
Labeling a CD — Disc Memo Displaying the disc memo Press (DSPL) during CD or CD TEXT disc playback. (For a CD unit with the custom file function) You can label each disc with a personalized name. You can enter up to eight characters for a disc. If you label a CD, you can locate the disc by name (page 21) and select the specific tracks for playback (page 21). 1 2 Play the CD and press (LIST) for two seconds. $ Track number/ Elapsed playback time $ Disc memo name Enter the characters.
Locating a disc by name — List-up (For a CD unit with the custom file function or an MD unit) You can use this function for discs that have been assigned a custom name. For more information on disc names, refer to “Labeling a CD” (page 20). 1 Press (LIST). The name assigned to the current disc appears in the display. Selecting specific tracks for playback — Bank (For a CD unit with the custom file function) If you label the disc, you can set the unit to skip or play the tracks of your choice.
Playing specific tracks only You can select: •BANK-ON - to play the tracks with the “PLAY” setting. •BANK-INV (Inverse) - to play the tracks with the “SKIP” setting. 1 2 During playback, press (SHIFT), then press (4) (PLAY MODE) repeatedly until “BANK” appears. Press (5) (n) to repeatedly until the desired setting appears. z BANK-ON z BANK-INV You can connect an optional TV tuner and TV monitor to this unit. Watching the TV 1 Press (SOURCE) repeatedly until “TV” appears.
3 Press (5) (n). The unit stores TV channels in the order of their frequencies on the number buttons. A beep sound when the setting is stored. 4 Press (SHIFT). Notes • The unit does not store TV channels with weak signals. If only a few TV channels can be received, some number buttons will remain empty. • When a preset number is indicated in the display, the unit starts storing TV channels from the one currently displayed.
Displaying the information stored on discs Watching the TV or video while listening to a CD or MD — Simultaneous Play Press (LIST) during CD/MD playback. Example: When CD unit 1 is selected. The simultaneous play function does not work while you are listening to the radio. 1 Press (SOURCE) for two seconds. 2 Press (2) (N).
Additional Information Do not expose the discs to direct sunlight or heat sources such as hot air-ducts, or leave them in a car parked in direct sunlight where there can be a considerable rise in temperature inside the car. Precautions • If your car was parked in direct sunlight resulting in a considerable rise in temperature inside the car, allow the unit to cool off before operating it. • If no power is being supplied to the unit, check the connections first. If everything is in order, check the fuse.
Maintenance Dismounting the unit Fuse replacement 1 Press the clip inside the front cover with a thin screwdriver, and gently pry the front cover free. 2 Repeat step 1 on the left side. The front cover is removed. 3 Use a thin screwdriver to push in the clip on the left side of the unit, then pull out the left side of the unit until the catch clears the mounting. 4 Repeat step 3 on the right side. 5 Slide the unit out of the mounting.
Specifications AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION 17 watts per channel minimum continuous average power into 4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than 1 % total harmonic distortion.
Troubleshooting guide The following checklist will help you remedy the problems you may encounter with your unit. Before going through the checklist below, check the connection and operating procedures. General Problem Cause/Solution No sound. •Cancel the ATT function. •Set the fader control to the center position for two-speaker systems. •Rotate the dial in a clockwise direction to adjust the volume. The contents of the memory have been erased. • The power cord or battery has been disconnected.
Error displays (when optional CD/MD unit is connected) The following indications will flash for about five seconds, and an alarm sound will be heard. Display NO MAG NO DISC NG DISCS *1 ERROR 1 BLANK * RESET NO READY HI TEMP Cause Solution The disc magazine is not inserted in the CD/MD unit. Insert the disc magazine in the CD/ MD unit. No disc is inserted in the CD/MD unit. Insert discs in the CD/MD unit. A CD/MD cannot play because of some problem. Insert another CD/MD.
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