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-C7850␣ ␣ 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 ................................................ 8 Playing a CD in various modes ........................
Location of controls K/AMS SEE MODE OPEN SOUND DSPL LIST SOURCE SHIFT OFF 1 2 3 4 5 6 7 8 9 10 CDX-C7850 Refer to the listed pages for details.
The corresponding buttons of the wireless remote control the same functions as those on the unit. Wireless remote (RM-X47) 1 OFF button 2 SEEK/AMS button OFF MODE SOURCE SEEK AMS – REW – PRESET DISC SOUND 5 SOUND/SEL button + 6 DSPL button FF + SEL ATT 3 (–) (+) buttons 4 ATT button DIR DSPL 7 PRESET/DISC button You cannot perform manual search and manual tuning with the remote.
Attaching the front panel Getting Started Place the hole a of 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 3 Press (SHIFT). After the clock setting is complete, the display returns to normal playback mode. The clock uses a 12-hour digital indication. Example: To set the clock to 10:08 1 Press (SHIFT), then press (3) (SET UP) repeatedly until “Clock” appears. Note If the POWER SELECT switch on the bottom of the unit is set to the B position, turn the power on first, then set the clock. SET UP 1 Press (5) (n). SET UP The hour indication flashes. 2 Set the hour.
Changing the display item Each time you press (DSPL), the item changes as follows: CD Player $ Elapsed playback time Listening to a CD 1 Press (OPEN) and insert the CD. Playback starts automatically. $ Disc name*1/Artist name*2 $ Track name*1 $ Clock Labelled side up *1 If you inserted a non-CD TEXT disc, “NO D.Name” or “NO T.Name” appears in the display. *2 If you play a CD TEXT disc, the artist name appears in the display after the disc name. (Only for CD TEXT discs with the artist name.
Automatically scrolling a disc name — Auto Scroll If the disc name, artist name, or track name on a CD TEXT disc exceeds 10 characters and the Auto Scroll function is on, the following information will be automatically scrolled. • The disc name appears when the disc has changed (if the disc name is selected). • The track name appears when the track has changed (if the track name is selected).
Creating a program — CD Program Memory You can play the tracks in the order you want by making your own program. You can select up to 24 tracks for a program. You can store the programs in memory. 1 Playing the stored program 1 Press (SHIFT). 2 Press (4) (PLAY MODE) repeatedly until “PGM” appears. 3 Press (5) (n) repeatedly until “PGM on” appears. During CD playback, press (SHIFT), then press (4) (PLAY MODE) for two seconds. PGM RLAY MODE TRACK RLAY MODE 2 3 Program Play starts.
Adding tracks to a program Erasing tracks in a program 1 1 Press (SHIFT), then press (4) (PLAY MODE) for two seconds. Press (SHIFT), then press (4) (PLAY MODE) for two seconds. TRACK TRACK RLAY MODE RLAY MODE ENTER To select Program 2, press (5) (n) repeatedly until “P” appears. 2 2 ENTER Press (2) (N) or (5) (n) to select the track you want to erase. Track slot number Press (2) (N) or (5) (n) to select the track slot number where you want to insert a track.
Memorizing only the desired stations Radio Memorizing stations automatically You can preset up to 30 stations (10 each for FM1, FM2, and AM) in the order of your choice. 1 Press (SOURCE) repeatedly to select the tuner. 2 Press (MODE) repeatedly to select the band. 3 Push the SEEK/AMS control up or down to tune in the station that you want to store on the number button. 4 Press and hold the desired number button ((1) to (10)) until “MEM” appears. The number button indication appears in the display.
Receiving the memorized stations 1 Press (SOURCE) repeatedly to select the tuner. 2 Press (MODE) repeatedly to select the band. 3 Press the number button ((1) to (10)) where the desired station is stored. If you cannot tune in a preset station Push and release the SEEK/AMS control up or down to search for the station (automatic tuning). Scanning stops when the unit receives a station. Push the SEEK/AMS control up or down repeatedly until the desired station is received.
Storing the station names Displaying the station name Press (DSPL) during radio reception. — Station Memo You can assign a name to each radio station and store it in memory. The name of the current station appears in the display. You can store up to eight characters for each station. Each time you press (DSPL), the item changes as follows: Storing the station names 1 2 z Station name* Tune in a station whose name you want to store.
Tip When the POWER SELECT switch is set to position B, you can turn on this unit by pressing (SOURCE) on the rotary commander. Other Functions You can also control an optional CD or MD unit, or equalizer preamplifier with the rotary commander. By rotating the control (the SEEK/AMS control) Labelling the rotary commander Depending on how you mount the rotary commander, attach the appropriate label as shown in the illustration below.
Other operations Press (ATT) to attenuate the sound. OFF Rotate the VOL control to adjust the volume. Press (OFF) to turn off the unit. Press (SOUND) to adjust the volume and sound menu. Adjusting the sound characteristics You can adjust the equalizer curve, listening position, cut-off frequency, bass, treble, balance and fader. You can store the bass and treble levels independently for each source. 1 Select the item you want to adjust by pressing (SOUND) repeatedly.
Changing the sound and display settings The following items can be set: • Clock (page 7). • D.Info (Dual Information)*1 – to display the clock and the play mode simultaneously (on) or to display the information alternately (off). • Amber/Green – to change the illumination color to amber or green. • Dimmer to – change the brightness of the display. — Select “Auto” to dim the display only when you turn the interior lights on. — Select “on” to dim the display. — Select “off” to deactivate Dimmer.
Adjusting the frequency of the subwoofer(s) Adjusting the sound and frequency of the equalizer To match the characteristics of the connected subwoofer(s), you can cut out the unwanted high and middle frequency signals entering the subwoofer(s). By setting the cut-off frequency, the subwoofer(s) will output only low frequency signals so you can get a clearer sound image. This unit can also control an optional equalizer preamplifier.
With Optional Equipment CD/MD Unit This unit can control a maximum of seven external CD/MD units in this configuration: CD unit – maximum of five MD unit – maximum of five Any combination up to seven will work. If you connect an optional CD unit with the CD TEXT function, the CD TEXT information will appear in the display when you play back a CD TEXT disc. Playing a CD or MD 1 Press (SOURCE) repeatedly to select the CD or MD. 2 Press (MODE) until the desired unit appears. CD/MD playback starts.
Locating a specific track — Automatic Music Sensor (AMS) During playback, push the SEEK/AMS control up or down and release for each track you want to skip. To locate succeeding tracks To locate preceding tracks Locating a specific point in a track — Manual Search During playback, push the SEEK/AMS control up or down and hold. Release when you have found the desired point. Playing tracks in random order — Shuffle Play You can select: •Shuf 1 – to play the tracks on the current disc in random order.
Creating a program — Program Memory (For a CD/MD unit with the program memory function) You can play tracks in the order you want by creating and storing programs in the unit‘s memory. You can select up to 24 tracks for a program. You can store the programs in memory. 1 During CD playback, press (SHIFT), then press (4) (PLAY MODE) for two seconds. Program edit mode DISC Notes • “*Wait*” appears in the display while the unit is reading the data, or when a disc has not been put into the unit.
Erasing an entire program Adding tracks to a program 1 1 Press (SHIFT), then press (4) (PLAY MODE) for two seconds. DISC TRACK RLAY MODE DISC ENTER Press (2) (N) repeatedly until “DEL” appears. TRACK RLAY MODE If you have labelled the disc, the bank edit mode appears. Press (4) (PLAY MODE) to display “P” above. 2 Press (SHIFT), then press (4) (PLAY MODE) for two seconds. ENTER If you have labelled the disc, the bank edit mode appears. Press (4) (PLAY MODE) to display “P” above.
Erasing tracks in a program 1 Press (SHIFT), then press (4) (PLAY MODE) for two seconds. DISC TRACK RLAY MODE ENTER If you have labelled the disc, the bank edit mode appears. Press (4) (PLAY MODE) to display “P” above. 2 Labeling a CD — Disc Memo (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 25) and select specific tracks for playback (page 25).
Displaying the disc memo name Press (DSPL) during CD or CD TEXT disc playback. Erasing the disc memo 1 Press (SOURCE) repeatedly to select CD. 2 Press (MODE) repeatedly to select the CD unit. 3 Press (LIST) for two seconds. 4 Press (DSPL) for two seconds. 5 Rotate the dial to select the name you want to erase. 6 Press (6) (ENTER) for two seconds. The name is erased. Repeat steps 5 and 6 if you want to erase other names. 7 Press (LIST) for two seconds.
Locating a disc by name — List-up (For a CD unit with the custom file function or 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 23). 1 During CD playback press (LIST). The name assigned to the current disc appears in the display.
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 CD 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 TV/Video You can connect an optional TV tuner and TV monitor with 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. 1 CD 1 1 SCHUBERT 2 MO Z A R T 3 BACH 4 L I SZT 5 CHOP I N 6 7 8 9 ? 10 ? * ***** ****** The simultaneous play function does not work while you are listening to the radio. 1 Press (SOURCE) for two seconds. 2 Press (2) (N). 3 Press (SOURCE) repeatedly to select a CD or MD. 4 Press (5) (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 the 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.
Maintenance Dismounting the unit Fuse replacement 1 Press the clip inside the front cover with a thin screwdriver, and lever 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 19 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 connections 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 an 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 Error *1 Blank * 1 PushReset Not Ready HighTemp 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.
Sony Corporation Printed in Japan *I-3-866-229-11* (1)
