Sony Car Stereo System EXR 400 User Manual

3-810-306-11 (2)  
FM/AM  
Cassette Car  
Stereo  
EN  
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. EXR-400 Serial No.  
For installation and connections, see the supplied installation/connections  
manual.  
EXR-400  
1996 by Sony Corporation  
Actual total number:  
Sony EXR-400 (E) 3-810-306-11 (2)  
 
Table of contents  
This Unit Only  
With Optional Equipment  
Getting Started  
Resetting the unit ................................................ 4  
Detaching the front panel .................................. 4  
Setting the clock .................................................. 5  
CD changer  
Playing a CD ........................................................ 8  
Scanning the tracks — Intro scan ...................... 9  
Playing tracks repeatedly  
— Repeat play ................................................ 9  
Playing tracks in random order  
— Shuffle play ................................................ 9  
Cassette player  
Listening to the tape ........................................... 5  
Playing the tape in various modes ................... 6  
Radio  
Additional Information  
Memorizing stations automatically  
— Best Tuning Memory (BTM) ................... 7  
Memorizing only the desired stations ............. 7  
Receiving the memorized stations.................... 7  
Precautions ......................................................... 10  
Maintenance ....................................................... 10  
Dismounting the unit ....................................... 11  
The rotary commander labels ......................... 11  
Location of controls .......................................... 12  
Specifications ..................................................... 13  
Troubleshooting guide ..................................... 14  
Index .................................................... Back cover  
Other Functions  
Adjusting the sound characteristics ................. 8  
Muting the sound................................................ 8  
Changing the sound and display settings ....... 8  
EN  
3
Actual total number:  
Sony EXR-400 (E) 3-810-306-11 (2)  
 
Attaching the front panel  
Attach part A of the front panel to part B of  
the unit as illustrated and push until it clicks.  
Getting Started  
Resetting the unit  
Before operating the unit for the first time or  
after replacing the car battery, you must reset  
the unit.  
Press the reset button with a pointed object,  
such as a ball-point pen.  
A
B
Notes  
Make sure that the front panel is the right way up when  
attaching it to the unit as it cannot be attached upside  
down.  
Do not press the front panel hard against the unit when  
attaching it to the unit. It can easily be attached by  
pressing it lightly against the unit.  
When you carry the front panel with you, put it in the  
supplied front panel case.  
Reset button  
Note  
Pressing the reset button will erase all the memorized  
stations.  
EN  
Do not press hard or give excessive pressure to the  
display windows of the front panel.  
Do not expose the front panel to direct sunlight, heat  
sources such as hot air ducts or leave it in a humid place.  
Never leave it on the dashboard etc. of a car parked in  
direct sunlight where there may be a considerable rise in  
temperature inside the car.  
Detaching the front panel  
The front panel of this unit can be detached in  
order to prevent the unit from being stolen.  
Caution alarm  
If you turn the ignition key to the OFF position  
without removing the front panel, the caution  
alarm will beep for a few seconds (only when  
the POWER SELECT switch is set to the A  
position).  
1 Press (OFF).  
2 Press (RELEASE) to open up the front  
panel, and detach the panel by pulling it  
towards you.  
(RELEASE)  
Notes  
• Be sure not to drop the panel when detaching it from the  
unit.  
• If you press (RELEASE) to detach the panel while the  
unit is still turned on, the power will be automatically  
turned off in order to protect the speakers from being  
damaged.  
4
Actual total number:  
Sony EXR-400 (E) 3-810-306-11 (2)  
 
Setting the clock  
The clock has a 12-hour digital indication.  
For example, setting it to 10:08  
Cassette Player  
1 Press (OFF) or (DSPL) during operation.  
Listening to the tape  
2 Press (DSPL) for two seconds.  
Insert the cassette.  
100  
The hour digit blinks.  
1 Set the hour digits.  
Playback will start automatically.  
to go forward  
to go back  
If the cassette is already inserted, press (TAPE)  
to start playback.  
1000  
2 Press (SEL) momentarily.  
TAPE  
EN  
1000  
The minute digit blinks.  
The side facing up is being played.  
3 Set the minute digits.  
TAPE  
The side facing down is being played.  
to go forward  
to go back  
Tip  
To change the tape transport direction, press (TAPE)  
during tape playback.  
1008  
To  
Press  
(OFF)  
6
3 Press (DSPL) momentarily.  
Stop playback  
Eject the cassette  
1008  
The clock activates.  
Note  
Fast-winding the tape  
If the POWER SELECT switch on the bottom of the unit is  
set to the B position, the clock cannot be set unless the  
power is turned on. Set the clock after you have turned on  
the radio.  
During playback, press either side of  
(PRESET/DISC).  
PRESET  
DISC  
FF  
REW  
Rewind  
Fast-forward  
To start playback during fast-forwarding or  
rewinding, press (TAPE) .  
5
Actual total number:  
Sony EXR-400 (E) 3-810-306-11 (2)  
 
Locating the beginning of the  
tracks — Automatic Music Sensor (AMS)  
You can skip up to nine tracks at one time.  
Switching to the radio during fast-  
winding the tape  
— Automatic Tuner Activation (ATA)  
Press (5) during playback.  
“ATA” appears on the display.  
During playback, press either side of  
(SEEK/AMS) momentarily.  
When fast-forwarding or rewinding with  
(PRESET/DISC), the tuner will turn on  
automatically.  
SEEK  
AMS  
To locate the  
previous tracks  
To locate the  
succeeding the tracks  
Skipping blanks during tape  
playback — Blank skip  
Note  
The AMS function may not work when :  
• the blanks between tracks are shorter than 4 seconds  
• there are noises  
Press (6) during playback.  
“BL.SKIP” appears on the display.  
• there are long sections of low volume or quiet sections.  
Blanks longer than eight seconds will be  
automatically skipped during tape playback.  
Changing the displayed items  
Each time you press (DSPL) momentarily  
during tape playback, the displayed item  
changes as follows:  
z Tape playback  
z Clock  
z Frequency*  
EN  
* While the ATA function is activated.  
Playing the tape in  
various modes  
Searching the desired track  
— Intro scan  
Press (1) during playback.  
“INTRO” appears on the display.  
The first 10 seconds of all the tracks are played.  
When you find the desired track, press again.  
The unit returns to the normal playback mode.  
Playing tracks repeatedly  
— Repeat play  
Press (2) during playback.  
“REP” appears on the display.  
When the currently played track is over, it will  
be played again from the beginning.  
To cancel this mode, press again.  
6
Actual total number:  
Sony EXR-400 (E) 3-810-306-11 (2)  
 
2 Press (SEEK/AMS) to search for the  
station which you wish to store on the  
preset number button.  
Radio  
3 Press the desired preset number button  
((1) to (6)) for two seconds until a beep  
sounds.  
Memorizing stations  
automatically  
The number of the pressed preset number  
button appears on the display window.  
— Best Tuning Memory (BTM)  
This function selects from the currently  
received band the stations with the strongest  
signals and memorizes them in order of their  
frequency.  
Receiving the memorized  
stations  
PREVENTING ACCIDENTS!  
When tuning in during driving, use the  
automatic tuning and the memory preset  
search function instead of the manual tuning.  
1 Press (FM) or (AM) repeatedly, and  
select the band.  
2 Press the preset number button ((1) to  
(6)) momentarily on which the desired  
station is stored.  
1 Press (FM) or (AM) repeatedly and select  
the band.  
EN  
Each time you press (FM) or (AM), the  
Tip  
band changes as follows:  
(FM): FM1 n FM2 n FM3  
(AM): AM1 ˜ AM2  
Press either side of (PRESET/DISC) momentarily to  
receive in order the stations stored in the memory (Preset  
Search Function).  
If FM stereo reception is poor  
— Monaural mode  
2 Press (SENS/BTM) for two seconds.  
Notes  
Press (SENS/BTM) momentarily until  
“MONO” lights up on the display.  
The sound will improve, but it will become  
monaural. (The “ST” indication will  
disappear.)  
• The unit will not store stations with weak band  
frequencies on the preset number buttons. If there are  
only a few stations received, some preset number buttons  
will remain empty.  
• When there is a preset number indicated on the display  
window, the unit will store stations on all preset number  
buttons from the one currently displayed.  
Changing the displayed items  
Each time you press (DSPL), the display item  
changes as follows:  
Frequency ˜ Clock  
Memorizing only the  
desired Stations  
Up to 6 stations on each band (FM1, FM2,  
FM3, AM1 and AM2) can be stored on the  
preset number buttons in order of your choice.  
Therefore, 18 stations can be memorized on  
FM.  
If you can't tune in a preset station  
Press either side of (SEEK/AMS)  
momentarily to search for the station  
(automatic tuning).  
The scanning stops when a station is received.  
Press either side of the button repeatedly until  
the desired station is received.  
If you try to store another station on the same  
preset number button, the previously stored  
station will be erased.  
Note  
If the automatic tuning stops too frequently, press  
(SENS/BTM) momentarily until “LCL” lights up on the  
display (local seek mode). Only the stations with relatively  
strong signals can be tuned in.  
1 Press (FM) or (AM) repeatedly, and  
select the band.  
Tip  
If you know the frequency, press and hold either side of  
(SEEK/AMS) until the desired station is received (manual  
tuning).  
7
Actual total number:  
Sony EXR-400 (E) 3-810-306-11 (2)  
 
With the Optional Equipment  
Other Functions  
CD Changer  
You can control two CD changers.  
Adjusting the sound  
characteristics  
Playing a CD  
Press (CD) and select the changer.  
CD playback starts.  
1 Select the item you want to adjust by  
pressing (SEL) repeatedly.  
When a CD changer is connected, all the tracks  
play from the beginning.  
VOL (volume) n BAS (bass) n TRE  
(treble) n BAL (balance) n FAD (fader)  
Each time you press (DSPL) momentarily  
during CD playback, the displayed item  
changes as follows:  
2 Adjust the selected item by pressing  
either (+) or (–).  
Adjust within three seconds after selecting.  
(After three seconds the button will again  
serve as volume control button.)  
$
Elapsed playback time  
$
EN  
Disc and track number  
$
Clock  
Muting the sound  
Press (MUTE).  
The “MUTE” indication flashes.  
Locating a specific track  
— Automatic Music Sensor (AMS)  
To restore the previous volume level, press  
again.  
During playback, press either side of  
(SEEK/AMS) the number of times you  
wish to skip the tracks.  
SEEK  
AMS  
Changing the sound and  
display settings  
To locate the  
previous tracks  
To locate the  
succeeding tracks  
Enjoying bass and treble even at  
Low Volume — Loudness  
Bass and treble will be reinforced.  
Locating a specific point in a track  
— Manual Search  
During playback, press and hold either  
side of (SEEK/AMS). Release the button  
when you have found the desired part.  
Press (LOUD).  
“LOUD” will appear on the display.  
SEEK  
AMS  
To cancel, press again.  
To reverse  
To forward  
Muting the beep tone  
Switching to other discs  
Press (6) while pressing (SEL).  
To obtain the beep tone again, press these  
buttons once more.  
During playback, press either side of  
(PRESET/DISC).  
PRESET  
DISC  
FF  
REW  
To return to the  
previous disc  
To advance to the  
next disc  
8
Actual total number:  
Sony EXR-400 (E) 3-810-306-11 (2)  
 
To play all the tracks in the current  
changer in a random order  
Scanning the tracks  
— Intro scan  
Press (3) repeatedly during CD playback  
until “SHUF 2” is displayed.  
The first 10 seconds of all the tracks on the  
currently selected disc are played in order.  
After the first disc is over, the next disc is  
played.  
Each time you press (3) the display changes as  
follows:  
$
SHUF 1 (Disc shuffle)  
Press (1) during playback.  
“INTRO” appears on the display.  
$
SHUF 2 (Changer shuffle)  
When you find the desired track, press again .  
The unit returns to the normal CD playback  
mode.  
$
Cancel (Normal CD playback mode)  
If you press (1) during shuffle play, the first 10  
seconds of all tracks will be played in random  
order.  
Playing tracks repeatedly  
— Repeat play  
To repeat a track  
EN  
Press (2) repeatedly during CD playback  
until “REP 1” is displayed.  
To repeat a disc  
Press (2) repeatedly during CD playback  
until “REP 2” is displayed.  
To repeat all the discs in the  
current changer  
Press (2) repeatedly during CD playback  
until “REP 3” is displayed.  
Each time you press (2) the display changes as  
follows:  
REP 1  
(Track repeat)  
REP 2  
(Disc repeat)  
Cancel (Normal CD  
playback mode)  
REP 3 (Changer  
repeat)  
Playing tracks in random  
order — Shuffle play  
To play the tracks on the current  
disc in a random order  
Press (3) repeatedly during CD playback  
until “SHUF 1” is displayed.  
9
Actual total number:  
Sony EXR-400 (E) 3-810-306-11 (2)  
 
Additional  
Information  
Maintenance  
Fuse Replacement  
When replacing the fuse, be sure to use one  
matching the amperage rating stated on the  
fuse. If the fuse blows, check the power  
connection and replace the fuse. If the fuse  
blows again after replacement, there may be an  
internal malfunction. In such a case, consult  
your nearest Sony dealer.  
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 switching on.  
• 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 a  
2-speaker system, set the fader control to the  
center position.  
Fuse (15 A)  
If you have any questions or problems  
concerning your unit that are not covered in  
this manual, please consult your nearest Sony  
dealer.  
Warning  
Never use a fuse with an amperage rating  
exceeding the one supplied with the unit as  
this could damage the unit.  
EN  
Notes on Cassettes  
Cassette care  
Cleaning the Connectors  
The unit may not function properly if the  
connectors between the unit and the front  
panel are not clean. In order to prevent this,  
open the front panel by pressing (RELEASE),  
then detach it and clean with a cotton swab  
dipped in alcohol. Do not apply too much  
force. Otherwise, the connector may get  
damaged.  
• Do not touch the tape surface of a cassette, as  
any dirt or dust will contaminate the heads.  
• Keep cassettes away from equipment with  
built-in magnets such as speakers and  
amplifiers, as erasure or distortion on the  
recorded tape could occur.  
• Do not expose cassettes to direct sunlight,  
extremely cold temperatures or moisture.  
• When the tape is played back for a long  
period, the cassette shell may become warm  
because of the built-in power amplifier.  
However, this is not a sign of a malfunction.  
Cassettes longer than 90 minutes  
The use of cassettes longer than 90 minutes is  
not recommended except for long continuous  
play. The tapes used for these cassettes are  
very thin and tend to be stretched easily.  
Frequent playing and stopping of these tapes  
may cause them to be pulled into the cassette  
deck mechanism.  
Main unit  
Back of the front panel  
10  
Actual total number:  
Sony EXR-400 (E) 3-810-306-11 (2)  
 
Dismounting the unit  
The rotary commander  
labels  
You can control this unit with the optional  
rotary remote (RM-X2S).  
1
Some labels are supplied with the rotary  
remote. Attach that label which matches the  
functions of the master unit and the mounting  
position of the rotary remote.  
Release key (supplied)  
When you mount the rotary remote, attach the  
label in the illustration below.  
2
3
4
DSPL  
MODE  
SEL  
EN  
SEL  
MODE  
DSPL  
11  
Actual total number:  
Sony EXR-400 (E) 3-810-306-11 (2)  
 
Location of controls  
SEEK  
AMS  
INTRO  
REPEAT  
ATA  
SHUF  
1
4
2
5
3
6
TAPE  
PRESET  
DISC  
BL.SKIP  
REW  
FF  
SENS/BTM  
LOUD  
SEL  
CD  
MUTE  
DSPL  
OFF  
RELEASE  
FM  
AM  
Refer to the pages for further details.  
EN  
!™ Reset button (located on the front side  
of the unit hidden by the front panel)  
Press this button when you use this unit  
for the first time, when you have changed  
the car battery, or when the buttons of this  
unit do not function properly.  
1 LOUD (loudness) button 8  
2 During radio reception:  
Preset number buttons 7  
During tape/CD playback:  
(1) INTRO button 6, 9  
(2) REPEAT button 6, 9  
(3) SHUF button 9  
Display window  
(5) ATA (Automatic Tuner  
Activation) button 6  
POWER SELECT switch (located on the  
bottom of the unit)  
(6) BL.SKIP button 6  
See “POWER SELECT Switch” in the  
installation/Connections manual.  
3 TAPE/* (playback/transport direction  
change) button 5  
!∞ CD (disc play/CD changer select) button  
8
4 6 (eject) button 5  
FM (radio on/band select) button 7  
AM (radio on/band select) button 7  
!• OFF button 4, 5  
5 SEEK/AMS button 6, 7, 8  
6 PRESET/DISC button 5, 6, 7, 8  
7 SENS/BTM (sensitivity adjust/Best  
tuning memory function) button 7  
DSPL (display mode change/time set)  
button 5, 6, 8  
8 MUTE button 8  
9 RELEASE (front panel release) button  
4, 10  
0 (+)(–) (volume/bass/treble/balance/  
fader control) button 5, 8  
SEL (control mode select) button  
5, 8  
12  
Actual total number:  
Sony EXR-400 (E) 3-810-306-11 (2)  
 
Specifications  
AUDIO POWER SPECIFICATIONS  
POWER OUTPUT AND TOTAL HARMONIC DISTORTION  
8 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.  
Other Specifications  
Cassette player section  
General  
Outputs  
Tape track  
4-track 2-channel stereo  
Line out (1)  
Wow and flutter  
Frequency response  
Signal-to-noise ratio  
0.08 % (WRMS)  
30 – 18,000 Hz  
58 dB  
Power antenna relay  
control lead  
Power amplifier control  
lead  
Bass ±8 dB at 100 Hz  
Treble ±8 dB at 10 kHz  
12 V DC car battery  
(negative ground)  
Approx. 188 × 58 × 177 mm  
(7 1/2 × 2 3/8 × 7 in.)  
(w/h/d)  
Approx. 182 × 53 × 155 mm  
(7 1/4 × 2 1/8 × 6 1/8 in.)  
(w/h/d)  
Approx. 1.2 kg (2 lb. 10oz.)  
Parts for installation and  
connections (1 set)  
Front panel case (1)  
Bus cable (supplied with  
an RCA pin cord)  
RC-61 (1 m), RC-62 (2 m)  
RCA pin cord  
Tone controls  
Tuner section  
FM  
Power requirements  
Dimensions  
Tuning range  
Antenna terminal  
87.5 – 107.9 MHz  
External antenna connector  
EN  
Intermediate frequency 10.7 MHz  
Usable sensitivity  
Selectivity  
Signal-to-noise ratio  
8 dBf  
75 dB at 400 kHz  
65 dB (stereo),  
68 dB (mono)  
Mounting dimension  
Harmonic distortion at 1 kHz  
0.5 % (stereo),  
Mass  
Supplied accessories  
0.3 % (mono)  
35 dB at 1 kHz  
30 – 15,000 Hz  
2 dB  
Separation  
Frequency response  
Capture ratio  
Optional accessories  
AM  
Tuning range  
Antenna terminal  
530 – 1,710 kHz  
External antenna connector  
RC-63 (1 m), RC-64 (2 m),  
RC-65 (5 m)  
Rotary commander  
RM-X2S  
Source selector XA-U20  
Intermediate frequency 10.71 MHz/450 kHz  
Sensitivity 30 µV  
Optional equipment  
Power amplifier section  
Design and specifications are subject to change without  
notice.  
Outputs  
Speaker outputs  
(sure seal connectors)  
4 – 8 ohms  
Speaker impedance  
Maximum power output 20 W × 4 (at 4 ohms)  
13  
Actual total number:  
Sony EXR-400 (E) 3-810-306-11 (2)  
 
Troubleshooting guide  
The following check will assist in the correction of most problems which you may encounter with  
your unit.  
Before going through the check list below, refer to the operating procedures.  
General  
Problem  
Cause/Solution  
No sound  
•Adjust the volume with (+).  
•Set the fader control to the center position on the 2-speaker  
system.  
Indications do not appear on  
the display window.  
Remove the front panel and clean the connectors. See “Cleaning  
the Connectors” of “Maintenance” for details.  
Tape playback  
Problem  
Cause/Solution  
Playback sound is distorted.  
Contamination of the tape head. n Clean the head.  
The AMS does not operate  
correctly.  
•There is a noise in the space between tracks.  
•A blank space is too short (less than four seconds).  
+ on (SEEK/AMS) is pressed immediately before the  
following track.  
EN  
= on (SEEK/AMS) is pressed immediately after the track  
starts.  
•A long pause, or a passage of low frequencies or very low  
sound level is treated as a blank space.  
Radio reception  
Problem  
Cause/Solution  
Preset tuning is not possible.  
• Memorize the correct frequency.  
• The broadcast is too weak.  
Automatic tuning is not possible. The broadcast is too weak. n Use the manual tuning.  
The “ST” indication flashes.  
Tune in precisely.  
The broadcast is too weak. n Press (SENS/BTM) to enter the  
MONO mode.  
Disc play  
Problem  
Cause/Solution  
Playback sound skips.  
A dusty or defective disc.  
14  
Actual total number:  
Sony EXR-400 (E) 3-810-306-11 (2)  
 
Error displays (with the optional CD changer(s) connected)  
The following indications will flash for about five seconds and an alarm sound will be heard.  
Display  
Cause  
Solution  
A disc magazine is not inserted in the Insert a disc magazine with discs into  
E-01  
CD changer.  
the CD changer.  
No disc is inserted in the disc  
magazine.  
Take out the magazine and insert the  
discs.  
E-02  
E-04  
The disc is dirty.  
Clean the disc.  
The disc is inserted upside down.  
Insert the disc correctly.  
Press the reset button on the unit.  
The CD changer cannot be operated  
because of some problem.  
E-99  
TEMP  
The ambient temperature is more than Wait until the temperature goes down  
50°C. below 50°C.  
If the above-mentioned solutions do not help to improve the situation, consult your nearest Sony  
dealer.  
EN  
15  
Actual total number:  
Sony EXR-400 (E) 3-810-306-11 (2)  
 
Index  
A
S
Automatic Music Sensor (AMS) 6, 8  
Shuffle play  
9
Automatic tuning  
7
Automatic Tuner Activation (ATA)  
6
T, U, V, W, X, Y, Z  
Tape playback  
Treble  
5
B
8
Bass  
Balance  
Best Tuning Memory (BTM)  
Blank skip  
8
8
7
6
C
Caution alarm  
CD playback  
4
8
Clock  
5
D, E  
Display 5, 6, 8  
F, G, H  
Fader  
8
Fast-forward  
Front panel  
Fuse 10  
5
4
I, J, K  
Intro scan 6, 9  
L
Local seek mode (LCL)  
Loudness  
7
8
M, N, O, P, Q  
Manual search  
Manual tuning  
8
7
Mute  
8
R
Radio  
Repeat play 6, 8  
Reset  
Rewind  
Rotary commander 11  
7
4
5
Sony Corporation Printed in Japan  
Actual total number:  
Sony EXR-400 (E) 3-810-306-11 (2)  
 

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