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Extracted text from Jvc KSFX 281 Service Manual (Ocr-read)
Page 1
1-2 (No.49869)
SPECIFICATION
Design and specifications are subject to change without notice.AUDIO AMPLIFIER SECTION
Maximum Power Output Front 45 W per channel Rear 45 W per channel
Continuous Power Output (RMS) Front 17 W per channel into 4 -„¦ 40 Hz to 20 000 Hz
at no more than 0.8% total harmonic distortion.
Rear 17 W per channel into 4 -„¦ 40 Hz to 20 000 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 20 000 Hz
Signal-to-Noise Ratio 70 dB
Line-Out Level/Impedance 2.0 V/20 k -„¦ load (250 nWb/m)
TUNER SECTION
Frequency Range FM 87.5 MHz to 108.0 MHz AM 531 kHz to 1 602 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 2.0 dB
[AM Tuner] Sensitivity 20 µV
Selectivity 35 dB
CASSETTE DECK SECTION
Wow & Flutter 0.15% (WRMS)
Fast-Wind Time 190 sec. (C-60)
Frequency Response 50 Hz to 14 000 Hz(Normal tape)
Signal-to-Noise Ratio 52 dB
Stereo Separation 40 dB 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 (excluding accessories)
Page 2
(No.49869)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.