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Troubleshooting guide

Problem

No sound.

The contents of the memory
have been erased.

Indications do not appear in the
display.

Cause/Solution

•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 power cord or battery has been disconnected.
• The reset button was pressed.

n

 Store again into the memory.

Remove the front panel and clean the connectors. See
“Cleaning the connectors” (page 30) for details.

CD/MD playback

Cause/Solution

•Another CD is already loaded.
•The CD is forcibly inserted upside down or in the wrong way

(MD).

Defective MD or dusty CD.

The ambient temperature exceeds 50°C (122°F).

Press the reset button.

• The unit is installed at an angle of more than 60°.
• The unit is not installed in a sturdy part of the car.

Problem

A disc cannot be loaded.

Playback does not begin.

A disc is automatically ejected.

The operation buttons do not
function.

The sound skips due to
vibration.

Radio reception

Problem

Preset tuning is not possible.

Automatic tuning is not
possible.

The “ST” indication flashes.

Cause/Solution

• Memorize the correct frequency.
• The broadcast signal is too weak.

The broadcast signal is too weak.

n

 Use manual tuning.

•Tune in the frequency accurately.
•The broadcast signal is too weak.

n

 Set to the MONO mode (page 13).

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

Содержание CDX-C7850

Страница 1: ...connections see the supplied installation connections manual 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 ...

Страница 2: ...ized comments about the second MD are announced Warning 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...

Страница 3: ...ng the sound and display settings 17 Adjusting the frequency of the subwoofer s 18 Adjusting the sound and frequency of the equalizer 18 Changing the line output level 18 CD MD Unit Playing a CD or MD 19 Playing tracks repeatedly Repeat Play 20 Playing tracks in random order Shuffle Play 20 Creating a program Program Memory 21 Labeling a CD Disc Memo 23 Locating a disc by name List up 25 Selecting...

Страница 4: ...isplay mode change button 8 9 13 14 19 24 25 8 Display window 9 OPEN button 6 8 30 º LIST button Station Memo 14 27 Disc Memo 23 24 List up 14 25 28 OFF button 6 8 Reset button located on the front side of the unit behind the front panel 6 Receptor for the wireless remote SHIFT button PLAY MODE 10 11 12 13 21 22 23 25 26 REP 9 20 SET UP 7 9 17 18 19 20 SHUF 9 20 POWER SELECT switch located on the ...

Страница 5: ...ubsequent corrosion insert the batteries by matching the and on the batteries to the and in the battery compartment do not use an old battery with a new one or different types of batteries together remove the batteries when you do not use the unit for a long period of time do not charge the batteries If any battery leakage occurs replace the batteries with new ones after cleaning the battery compa...

Страница 6: ...t from the unit If you detach the panel while the unit is still turned on the power will turn off automatically to prevent the speakers from being damaged When you carry the front panel with you use the supplied front panel case Attaching the front panel Place the hole a of the front panel onto the spindle b on the unit as illustrated then push the left side in Notes Be sure not to attach the fron...

Страница 7: ...the hour 3 Press 5 n The minute indication flashs 4 Set the minute 2 Press SHIFT The clock starts to go forward to go backward to go forward to go backward SET UP SET UP SET UP SET UP SET UP 3 Press SHIFT After the clock setting is complete the display returns to normal playback mode 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...

Страница 8: ... CD and CD TEXT discs with a personalized name using the disc memo function refer to Labeling a CD page 23 However if you use personalized labels they will always take priority over the original CD TEXT information when such information is displayed Tips If the name of the CD TEXT disc is too long you can scroll it across the display by pressing SHIFT then 2 N If you want to display the original C...

Страница 9: ...for each track you want to skip 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 To locate preceding tracks To locate succeeding tracks To search backward To search forward Note If or appears in the display that means you have reached the beginning or the end of the disc and you cannot go ...

Страница 10: ...r two seconds 5 Press SHIFT 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 During CD playback press SHIFT then press 4 PLAY MODE for two seconds 2 Push the SEEK AMS control up or down to select the track you want 3 Press 6 ENTER momentarily 4 To continu...

Страница 11: ...ed Mem Full appears in the display and you cannot insert tracks 6 When you finish inserting tracks press 4 PLAY MODE for two seconds 7 Press SHIFT RLAY MODE ENTER TRACK RLAY MODE ENTER TRACK Erasing tracks in a program 1 Press SHIFT then press 4 PLAY MODE for two seconds 2 Press 2 N or 5 n to select the track you want to erase The track currently registered in slot 6 3 Press 6 ENTER for two second...

Страница 12: ...frequencies You can store up to 10 stations on each band FM1 FM2 and AM Caution When tuning in stations while driving use Best Tuning Memory to prevent accidents 1 Press SOURCE repeatedly to select the tuner Each time you press SOURCE the source changes as follows z TUNER z CD z MD If the corresponding optional equipment is not connected this item will not appears 2 Press MODE repeatedly to select...

Страница 13: ...eatedly until Mono appears 2 Press 5 n repeatedly until Mono on appears The sound improves but becomes monaural ST disappears 3 Press SHIFT To return to normal mode select Mono off in step 2 above If interference occurs during FM reception If there is interference from neighboring stations follow the steps below and select Narrow If interference is not a problem select Wide to maximize signal rece...

Страница 14: ... name or frequency has been displayed for five seconds the display goes back to normal mode To turn off the display press DSPL Storing the station names 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 Storing the station names 1 Tune in a station whose name y...

Страница 15: ...e stations memorized on the number buttons Change the disc Other Functions You can also control an optional CD or MD unit or equalizer preamplifier with the rotary commander Labelling 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 By pressing buttons the SOURCE and MODE buttons Each tim...

Страница 16: ...nd treble levels independently for each source 1 Select the item you want to adjust by pressing SOUND repeatedly VOL volume n EQ equalizer curve n POS listening position n CNW crossover network n SUB subwoofer volume n BAS bass n TRE treble n BAL left right n FAD rear front If the corresponding optional equipment is not connected this item will not appears 2 Adjust the selected item by rotating th...

Страница 17: ...mmer 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 Contrast to adjust the contrast if the indications in the display are not recognizable because of the unit s installed position Voice guide 1 function for vocalized comments Select Voice 1 to minimize the volume of the gu...

Страница 18: ...ress SHIFT When the frequency setting is complete the display returns to the normal playback mode SET UP Adjusting the sound and frequency of the equalizer This unit can also control an optional equalizer preamplifier This lets you add some effects to the sound field of the currently selected source For details refer to the instructions manual supplied with the equalizer preamplifier Note If you c...

Страница 19: ...he Motion Display mode can be turned off See Changing the sound and display settings on page 17 You can label CD and CD TEXT discs with a personalized name using the disc memo function refer to Labeling a CD page 23 However if you use personalized labels they will always take priority over the original CD TEXT information when such information is displayed Automatically scrolling a disc name Auto ...

Страница 20: ...d 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 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 Locating a disc by disc number Direct Disc Selection Press the number button that corresp...

Страница 21: ...SHIFT µ RLAY MODE ENTER DISC TRACK RLAY MODE ENTER RLAY MODE ENTER DISC TRACK Notes Wait appears in the display while the unit is reading the data or when a disc has not been put into the unit Mem Full appears in the display when you try to enter more than 24 tracks into a program Playing the stored program Changing the disc order in the unit will not affect program memory play 1 Press SHIFT 2 Pre...

Страница 22: ...at steps 2 through 4 Note When a 24 slots have been filled Mem Full appears in the display and you cannot insert more tracks 5 When you finish inserting tracks press 4 PLAY MODE for two seconds 6 Press SHIFT Track slot number Erasing an entire program 1 Press SHIFT then press 4 PLAY MODE for two seconds If you have labelled the disc the bank edit mode appears Press 4 PLAY MODE to display P above 2...

Страница 23: ...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 1 During CD playback press LIST for two seconds 2 Enter the characters 1 Rotate the dial clockwise to select the desired characters A n B n C n Z n 0 n 1 n 2 n 9 n n n n n n n ...

Страница 24: ... display Displaying the disc memo name Press DSPL during CD or CD TEXT disc playback Each time you press DSPL during CD or CD TEXT disc playback the item changes as follows Elapsed playback time Disc memo name Track name Clock If you connect an optional CD unit with the CD TEXT function the CD TEXT information will appear in the display when you playback a CD TEXT disc After if you select the desi...

Страница 25: ...y To load the disc first press the number button then choose the disc that has not been loaded The information appears only in upper case There are also some letters which cannot be displayed during MD or CD TEXT disc playback ENTER DISC 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 y...

Страница 26: ...al TV tuner and TV monitor with this unit Watching the TV 1 Press SOURCE repeatedly until TV appears 2 Push the SEEK AMS control up or down to select the desired TV band Watching a video 1 Press SOURCE repeatedly until TV appears 2 Press MODE repeatedly to select Video 1 Play back the video Note Video 2 appears if the VIDEO 2 terminal of the TV monitor is selected Memorizing TV channels automatica...

Страница 27: ...n the display Note If you try to store another program on the same number button the previously stored program will be erased Storing the TV channel names Follow the steps in Storing the station names page 14 Displaying the TV or radio station names Press LIST momentarily during TV or radio reception Example When receiving the FM1 band 1 Preset number 2 Stored station names 3 Frequencies If the na...

Страница 28: ...twice when you connect the MD unit s 5 4 3 2 1 Watching the TV or video while listening to a CD or MD Simultaneous Play 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 5 Press SOURCE repeatedly to select a TV or video 6 Press SOURCE for two seconds Simultaneous Pl...

Страница 29: ... adapter CSA 8 to protect the CD player from being damaged Additional Information 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 If no sound comes from the speakers of two ...

Страница 30: ... panel by pressing OPEN then detach it and clean the connectors with a cotton swab dipped in alcohol Do not apply too much force Otherwise the connectors may be damaged Main unit Back of the front panel Notes For safety turn off the engine before cleaning the connectors and remove the key from the ignition switch Never touch the connectors directly with your fingers or any metal device Fuse 10 A D...

Страница 31: ... Sony BUS system Digital equalizer preamplifier XDP 210EQ Source selector XA C30 TV tuner XT 40V etc Design and specifications are subject to change without notice Other specifications CD player section System Compact disc digital audio system Signal to noise ratio 99 dB Frequency response 10 20 000 Hz Wow and flutter Below measurable limit Laser Diode Properties Material GaAlAs Wavelength 780 nm ...

Страница 32: ...ambient temperature exceeds 50 C 122 F Press the reset button The unit is installed at an angle of more than 60 The unit is not installed in a sturdy part of the car Problem A disc cannot be loaded Playback does not begin A disc is automatically ejected The operation buttons do not function The sound skips due to vibration Radio reception Problem Preset tuning is not possible Automatic tuning is n...

Страница 33: ...em A CD is dirty or inserted upside down 2 An MD does not play because of some problem 2 No tracks have been recorded on an MD 2 The CD MD unit cannot be operated because of some problem The lid of the MD unit is open or MDs are not inserted properly The ambient temperature is more than 50 C 122 F 1 1 Error displays when an optional CD MD unit is connected The following indications will flash for ...

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Страница 36: ... I 3 866 229 11 1 Sony Corporation Printed in Japan ...

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