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Specifications

Cassette player section

Tape track

4-track 2-channel stereo

Wow and flutter

0.08 % (WRMS)

Frequency response

30 – 18,000 Hz

Signal-to-noise ratio

58 dB

Tuner section

Tuning range

FM tuning interval:
50 kHz/200kHz switchable
87.5 – 108.0 MHz
(at 50 kHz step)
87.5 – 107.9 MHz
(at 200 kHz step)

Antenna terminal

External antenna connector

Intermediate frequency

10.7 MHz

Usable sensitivity

8 dBf

Selectivity

75 dB at 400 kHz

Signal-to-noise ratio

65 dB (stereo),
68 dB (mono)

Harmonic distortion at 1 kHz

0.5 % (stereo),
0.3 % (mono)

Separation

35 dB at 1 kHz

Frequency response

30 – 15,000 Hz

Capture ratio

2 dB

Tuning range

MW tuning interval:
9kHz/10kHz switchable
531 – 1,602kHz
(at 9kHz step)
530 – 1,710kHz
(at 10kHz step)

Antenna terminal

External antenna connector

Intermediate frequency

10.71 MHz/450kHz

Sensitivity

30 µV

Tuning range

SW tuning interval:
SW1 :2,940 – 7,735kHz
SW2 :9,500 – 18,135kHz
(except for 10,140 –
11,575kHz)

Antenna terminal

External antenna connector

Intermediate frequency

10.71 MHz/450kHz

Sensitivity

50 µV

Power amplifier section

Outputs

Speaker outputs
(sure seal connectors)

Speaker impedance

4 – 8 ohms

Maximum power output 35 W

4 (at 4 ohms)

General

Outputs

Power antenna control
lead/Power amplifier
control lead/Telephone
ATT control lead
Rear line out (1)

Tone controls

Bass ±8 dB at 100 Hz
Treble ±8 dB at 10 kHz

Power requirements

12 V DC car battery
(negative ground)

Dimensions

Approx. 188

181

mm (w/h/d)

Mounting dimensions

Approx. 182

164 mm

(w/h/d)

Mass

Approx. 1.2 kg

Supplied accessories

Parts for installation and
connections (1 set)
Front panel case (1)
Rotary commander
RM-X4S (1)

Design and specifications are subject to change without
notice.

Содержание XR-7850

Страница 1: ... 1998 by Sony Corporation Operating Instructions EN FM MW SW Cassette Car Stereo XR 7850 For installation and connections see the supplied installation connections manual ...

Страница 2: ...2 EN Welcome Thank you for purchasing the Sony Cassette Car Stereo This unit lets you enjoy a variety of features by using a supplied rotary commander ...

Страница 3: ... the front panel 4 Preparing the rotary commander 4 Setting the clock 5 Cassette Player Listening to a tape 5 Playing a tape in various modes 6 Radio Memorizing stations automatically Best Tuning Memory BTM 7 Memorizing only the desired stations 7 Receiving the memorized stations 7 Other Functions Using the rotary commander 8 Adjusting the sound characteristics 9 Attenuating the sound 9 Changing t...

Страница 4: ...l the caution alarm will beep for a few seconds only when the POWER SELECT switch is set to the A position If you connect an optional power amplifier to the LINE OUT and do not use the built in amplifier the beep tone will be disabled Preparing the rotary commander When you mount the rotary commander attach the label in the illustration below Getting Started Resetting the unit Before operating the...

Страница 5: ... forward The minutes digits flashes To go backward To go forward The clock starts Getting Started Cassette Player Cassette Player Listening to a tape Insert a cassette Playback will start automatically If a cassette is already inserted press SOURCE repeatedly until TAPE is displayed The side facing up is being played The side facing down is being played Tip To change the tape transport direction p...

Страница 6: ...SEEK AMS momentarily Note The AMS function may not work when the blanks between tracks are shorter than 4 seconds there is noise between tracks there are long sections of low volume or quiet sections Changing the displayed items Each time you press DSPL during tape playback the displayed item changes as follows z Tape playback z Clock z Frequency While the ATA function is activated Playing a tape ...

Страница 7: ...to select the band 3 Press the preset number button momentarily 1 to 6 on which the desired station is stored Radio Memorizing stations automatically 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 PREVENTING ACCIDENTS When tuning in while driving use the automatic tuning instead of...

Страница 8: ...ceived manual tuning Other Functions Using the rotary commander The rotary commander works by pressing buttons and or rotating controls By pressing buttons the SOURCE and the MODE buttons Every time you press SOURCE the source changes as follows TAPE n TUNER Pressing MODE changes the operation in the following ways the tape transport direction the band FM1 n FM2 n FM3 n MW n SW1 n SW2 Tip You can ...

Страница 9: ... You can hear the bass line more clearly even if the vocal volume remains the same You can emphasize and adjust the bass sound easily with the D bass control This effect is similar to the one you get when you use an optional subwoofer system By rotating the control while pushing in the PRESET DISC control Push in and rotate the control to Receive the stations memorized on the preset buttons Other ...

Страница 10: ...ing 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 a 2 speaker system set the fader control to the center position When the tape is played back for a long period the cassette may become warm because of the built in power amplifier However this is not a sign of malfunction If you have any quest...

Страница 11: ...y 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 Slack Maintenance Fuse Replacement When replacing the fuse be sure to use one matching the amperage rating stated on the original fuse If the fuse blows check the power connection and replace the fuse If the fuse blows again after replacement there may be...

Страница 12: ...12 EN Dismounting the unit 1 2 3 4 Release key supplied ...

Страница 13: ...EASE front panel release button 4 11 9 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 0 ATT button 9 SEL control mode select button 5 9 10 POWER SELECT switch located on the bottom of the unit See POWER SELECT Swit...

Страница 14: ...al External antenna connector Intermediate frequency 10 71 MHz 450kHz Sensitivity 30 µV SW Tuning range SW tuning interval SW1 2 940 7 735kHz SW2 9 500 18 135kHz except for 10 140 11 575kHz Antenna terminal External antenna connector Intermediate frequency 10 71 MHz 450kHz Sensitivity 50 µV Power amplifier section Outputs Speaker outputs sure seal connectors Speaker impedance 4 8 ohms Maximum powe...

Страница 15: ...isplay No beep tone Tape playback Cause Solution Contamination of the tape head n Clean the head There is 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 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...

Страница 16: ...Memory BTM 7 Blank skip 6 C Caution alarm 4 Clock 5 D E D BASS D Bass 9 Display 6 F G H FAD front rear 9 Fast forward 5 Front panel 4 Fuse 11 I J K Intro scan 6 L Local seek mode LCL 8 M N O P Q Manual tuning 8 R S Radio 7 Repeat play 6 Reset 4 Rewind 5 Rotary commander 4 8 T U V W X Y Z Tape playback 5 Telephone ATT 9 TRE treble 9 Index ...

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