Jvc KDS 283 Service Manual

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1-2 (No.49871) SPECIFICATION Design and specifications are subject to change without notice.AUDIO AMPLIFIERSECTION Maximum Power Output Front 45W per channel Rear 45W per channel Continuous Power Output (RMS) Front 17W per channel into 4 -„¦ , 40 Hz to 20000 Hz at no more than 0.8% total harmonic distortion. Rear 17W per channel into 4 -„¦ , 40 Hz to 20000 Hz at no more than 0.8% total harmonic distortion. Load Impedance 4 -„¦ (4 -„¦ to 8 -„¦ allowance) Tone Control Range Bass ±10 dB at 100 Hz Treble ±10 dB at 10 kHz Frequency Response 40 Hz to 20000 Hz Signal-to-Noise Ratio 70 dB Line-Out Level/Impedance 2.0 V/20 k -„¦ load (full scale) Output Impedance 1 k -„¦ TUNER SECTION Frequency Range FM 87.5 MHz to 108.0 MHz AM 531 kHz to 1602 kHz [FM Tuner] Usable Sensitivity 11.3 dBf (1.0 uV/75 -„¦ ) 50 dB Quieting Sensitivity 16.3 dBf (1.8 uV/75 -„¦ ) Alternate Channel Selectivity (400 kHz) 65 dB Frequency Response 40 Hz to 15000 Hz Stereo Separation 35 dB Capture Ratio 1.5 dB [AM Tuner] Sensitivity 20 uV Selectivity 35 dB CD PLAYER SECTION Type Compact disc player Signal Detection System Non-contact optical pickup (semiconductor laser) Number of channels 2 channels (stereo) Frequency Response 5 Hz to 20000 Hz Dynamic Range 90 dB Signal-to-Noise Ratio 95 dB Wow and flutter Less than measurable limit GENERAL Power Requirement Operating Voltage DC 14.4 V (11 V to 16 V allowance) Grounding System Negative ground Allowable Operating Temperature 0ºC to +40ºC Dimensions (W × H × D) Installation Size (approx.) 182 mm × 52 mm × 150 mm Panel size (approx.) 188 mm × 58 mm × 11 mm Mass (approx.) 1.3 kg

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(No.49871)1-3 SECTION 1 PRECAUTION 1.1 Safety Precautions ! Burrs formed during molding may be left over on some parts of the chassi\ s. Therefore, pay attention to such burrs in the case of preforming repair of this sys\ tem. ! Please use enough caution not to see the beam directly or touch it in ca\ se of an adjustment or operation check.