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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. Fuse (10 A) Warning Never use a fuse with an amperage rating exceeding the one supplied with the unit as this could damage the unit. 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 the connectors with a cotton swab dipped in alcohol. Do not apply too much force. Otherwise, the connectors may be damaged. 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. 19 20 Specifications Cassette player section General Tape track 4-track 2-channel stereo Outputs Power aerial relay control Wow and flutter 0.13 % (WRMS) lead Frequency response 30 - 15,000 Hz Input Telephone ATT control Signal-to-noise ratio 55 dB lead* Tone controls Bass ±9 dB at 100 Hz Tuner section Power requirements Treble ±9 dB at 10 kHz 12 V DC car battery FM (negative earth) Tuning range 87.5 - 108.0 MHz Dimensions Approx. 178 x 50 x 176 mm Aerial terminal External aerial connector (w/h/d) [ntermediate frequency 10.7 MHz Mounting dimensions Approx. 182 x 53 x 161 mm Usable sensitivity 11 dBf (w/h/d) Selectivity 75 dB at 400 kHz Mass Approx. 1.2 kg Signal-to-noise ratio 62 dB (stereo), 68 dB (mono) Supplied accessories Parts for installation and connections (1 set) Harmonic distortion at 1 kHz Front panel case (1) 0.7 % (stereo), Optional accessories** BUS cable (supplied with 0.5 % (mono) an RCA pin cord) Separation 33 dB at 1 kHz RC-61 (1 m), RC-62 (2 m) Frequency response 30 - 15,000 Hz Optional equipment** CD changer (10 discs) CDX-848X, CDX-646 MW/LW MD changer (6 discs) Tuning range MW: 531 - 1,602 kHz MDX-65 LW: 153 - 279 kHz Source selector Aerial terminal External aerial connector XA-C30 [ntermediate frequency 10.7 MHz/450 kHz Sensitivity MW: 30 LW: 50 ^V * XR-CA310/ illumination:green only ** XR-CA300/CA310 only Power amplifier section Outputs Speaker outputs Design and specifications are subject to change (sure seal connectors) without notice. Speaker impedance 4 - 8 ohms Maximum power output 45 W x 4 (at 4 ohms) 21 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 (page 15). • Set the fader control to the centre position for two-speaker systems. • Adjust the volume with (+). The contents of the memory • The power cord or battery has been disconnected. have been erased. • The RESET button was pressed. —— Store again into the memory. Indications do not appear Remove the front panel and clean the connectors. See in the display. "Cleaning the connectors” (page 19) for details. Tape playback Problem Cause/Solution The sound is distorted. The tape head is contaminated. —— Clean the head with a commercially available dry-type cleaning cassette. Radio reception Problem Cause/Solution Preset tuning is not possible. • Store the correct frequency in the memory. • The broadcast signal is too weak. Automatic tuning is not • The broadcast signal is too weak. possible. —— Use manual tuning. • The local seek mode is set to ON. —— Set the local seek mode to OFF (page 9). The stations cannot be Connect an power aerial control lead (blue) or accessory power received. supply lead (red) to the power supply lead of a car's aerial The sound is hampered by booster. (When your car has built-in FM/MW/LW aerial in the noises. rear/side glass only.) The "ST" indication flashes. • Tune in the frequency accurately. • The broadcast signal is too weak. — Set to MONO mode (page 9). 22 RDS Problem Cause/Solution The SEEK starts after a few The station is non-TP or has a weak signal. seconds of listening. —— Press (AF) or (TA) repeatedly until “AF-OFF” or “TA-OFF” appears. No traffic announcements. • Activate “TA.” • The station does not broadcast any traffic announcements despite being TP. — Tune to another station. PTY displays "NONE." The station does not specify the programme type. CD/MD playback (XR-CA300/CA310 only) Problem Cause/Solution The sound skips. A dirty or defective disc. Error displays (when an optional CD/MD unit is connected) (XR-CA300/CA310 only) The following indications will flash for about five seconds, and an alarm sound will be heard. Display Cause Solution NO MAG The disc magazine is not inserted in the CD/MD unit. Insert the disc magazine in the CD/ MD unit. NO DISC No disc is ...

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