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3-865-584-11 (1)
FM/AM
Cassette Car
Stereo
US
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. XR-1790 Serial No.
For installation and connections, see the supplied installation/connections
manual.
XR-1790
ª 1999 by Sony Corporation
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Warning Welcome! This equipment has been tested and found to Thank you for purchasing the Sony Cassette comply with the limits for a Class B digital Car Stereo. This unit lets you enjoy a variety of device, pursuant to Part 15 of the FCC Rules. features. 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 Features and used in accordance w
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Table of Contents Location of controls ............................................ 4 Getting Started Setting the clock .................................................. 5 Cassette Player Listening to a tape ............................................... 6 Ejecting the cassette ............................................ 6 Fast-winding the tape ......................................... 6 Radio reception during fast-forwarding or rewinding of a tape — ATA (Automatic Tuner Activation) function
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Location of controls DIR DSPL ATA LCL 13 2 4 5 6 A MEM SEEK SEL LOUD TUNER OFF MANU XR-1790 US Refer to the pages for further details. 1 Display window 7 LCL (local seek) button 7 2 SEL (control mode select) button 5, 8 8 (volume/bass/treble/ 3 DSPL (display mode change/time set) balance/fader control) buttons 5, 8 button 5 9 SEEK/MANU button 7 4 6 (eject) button 6 !¼ LOUD (loudness) button 8 5 During radio reception: !Á TUNER/A MEM (radio on • band select/ Preset number buttons 8 autom
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Getting Started DSPL 4 Press the button momentarily. Getting Started The clock activates. Setting the clock Note The clock cannot be set unless the power is turned The clock has a 12-hour digital indication. on. Set the clock after you turn on the radio, or during tape playback. For example, setting it to 10:08 1 Display the time. DSPL (Press the button during unit operation.) DSPL 2 Press the button for more than two seconds. The hour digit blinks. US Set the hour digits. (to go back) (to g
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Fast-winding the tape Cassette Player Direction To advance To rewind indicator* ( Listening to a tape After inserting the cassette, playback will start automatically. 9 To resume playback, press the other fast- winding button partially until the locked button is released. * The 9 or ( indicator will flash while fast- To change the tape direction, winding the tape. press both the 0 and the ) buttons at the same time. US Radio reception during fast-forwarding or Indication of tape transport direc
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Cassette Player/Radio Tuning in by adjusting the Radio frequency — Manual tuning 1 Select the desired band. A MEM TUNER Searching for stations FM1 n FM2 n AM n FM1 automatically — Automatic tuning 2 Press and hold either side of the SEEK/ MANU button. 1 Select the desired band. Release the button when the desired station A MEM is received. TUNER FM1 n FM2 n AM n FM1 SEEK SEEK MANU MANU For lower For higher 2 Press either side of the SEEK/MANU frequencies frequencies button momentarily to searc
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Memorizing only the Other Functions desired stations 1 Select the desired band. A MEM TUNER Adjusting the sound FM1 n FM2 n AM n FM1 characteristics 2 Tune in the station which you wish to 1 Select the item you want to adjust by store on the preset number button. SEL pressing the button repeatedly. VOL (volume) n BAS (bass) n TRE 3 Press and hold the desired preset ATA (treble) n BAL (balance) n FAD (fader) 1 number button ( to 6 ) for about n VOL (volume) two seconds until you hear a beep ton
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Radio/Other Functions/Additional Information Notes on cassettes Additional Cassette care • Do not touch the tape surface of a cassette, as Information 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. Precautions • Do not expose cassettes to direct sunlight, • If your car was parked in direct sunlight extremely cold temperatures or moisture. resulting
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Cassettes longer than 90 minutes The use of cassettes longer than 90 minutes is Maintenance not recommended except for long continuous play. The tapes used for these cassettes are Fuse replacement very thin and tend to be stretched easily. When replacing the fuse, be sure to use one Frequent playing and stopping of these tapes matching the amperage rating stated on the may cause them to be pulled into the cassette fuse. If the fuse blows, check the power deck mechanism. connection and replace th
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Additional Information 2 Insert a flathead screwdriver between the bracket and mounting spring. Gently Dismounting the unit pry the spring toward the unit while pulling the unit out a little. Repeat on 1 Insert the supplied tool between the unit the opposite side and remove the unit. and the frame, and rotate 90° to release the hidden mounting spring. Repeat on the opposite side and remove the frame. 13 10 mm ( /32 in.) US 3 4 mm ( /16 in.) 90° 11
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Specifications AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION 13 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. Cassette player section General Tape track 4-track 2-channel stereo Output lead Power antenna relay Wow and flutter 0.13 % (WRMS) control lead Frequency response 30 – 15,000 Hz Tone controls Bass ±8 dB at 100 Hz Signal-to- noise ratio 55 dB Treble ±8 dB at 10 k
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Additional Information Troubleshooting guide The following checklist will assist in the correction of most problems which you may encounter with your unit. Before going through the checklist below, refer to the connection and operating procedures. General Problem Cause/Solution No sound • Adjust the volume with the button. • Set the fader control to the center position for 2-speaker systems. Indications do not appear in the Remove the front panel and clean the connectors. See “Cleaning display
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Sony Corporation Printed in Malaysia
