Jvc KDS 12 Service Manual

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1-2 (No.MA216) SPECIFICATION Design and specifications are subject to change without notice.AUDIO AMPLIFIER SECTION Power Output 18 W RMS × 4 Channels at 4 -„¦ and [< or =] 1% THD+N Signal to Noise Ratio 80 dBA (reference: 1 W into 4 -„¦) 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 20 000 Hz 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 107.9 MHz (with channel interval set to 200 kHz) 87.5 MHz to 108.0 MHz (with channel interval set to 50 kHz) AM 530 kHz to 1 710 kHz (with channel interval set to 10 kHz) 531 kHz to 1 602 kHz (with channel interval set to 9 kHz) FM Tuner Usable Sensitivity 11.3 dBf (1.0 µV/75 -„¦) 50 dB Quieting Sensitivity 16.3 dBf (1.8 µV/75 -„¦) Alternate Channel Selectivity (400 kHz) 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 35 dB Capture Ratio 1.5 dB AM Tuner Sensitivity 20 µV 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 20 000 Hz Dynamic Range 96 dB Signal-to-Noise Ratio 98 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 0 °C to +40 °C (32 °F to 104 °F) Dimensions (W × H × D) Installation Size (approx.) 182 mm × 52 mm × 150 mm (7-3/16" × 2-1/16" × 5-15/16") Panel Size (approx.) 188 mm × 58 mm × 11 mm (7-7/16" × 2-5/16" × 7/16") Mass (approx.) 1.4 kg (3.1 lbs) (excluding accessories)

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(No.MA216)1-3 SECTION 1 PRECAUTIONS 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.