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Extracted text from Jvc KDAR 7500 Service Manual (Ocr-read)
Page 1
1-2 (No.MA162)
SPECIFICATION
Design and specifications are subject to change without notice.AUDIO AMPLIFIER SECTION
Power Output 22 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)
Equalizer Control Range Frequencies 60 Hz, 150 Hz, 400 Hz, 1 kHz, 2.4 kHz, 6 kHz, 12 kHz
Level ±10 dB
Frequency Response 40 Hz to 20 000 Hz
Line-In Level/Impedance LINE IN 1.5 V/20 k-„¦ load
Line-Out Level/Impedance LINE OUT 5.0 V/20 k-„¦ load (full scale)
Output Impedance 1 k-„¦
Other Terminals SUBWOOFER OUT
Changer control
Steering wheel remote input
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 65 dB
CD/SD 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 98 dB
Signal-to-Noise Ratio 102 dB
Wow and Flutter Less than measurable limit
MP3 (MPEG Audio Layer 3) Max. Bit Rate 320 kbps
WMA (Windows Media Audio) Max. Bit Rate 192 kbps
Playable SD Card Format FAT 12/16
Storage Up to 512 MB
Playable Audio Format for SD Card MP3/WMA
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
Dimensions (W × H × D) Installation Size (approx.) 182 mm × 52 mm × 157 mm (7-3/16" × 2-1/16" × 6-3/16")
Panel Size (approx.) 188 mm × 58 mm × 13 mm (7-7/16" × 2-5/16" × 9/16")
Mass (approx.) 1.7 kg (excluding accessories)
Page 2
(No.MA162)1-3
SECTION 1
PRECAUTIONS
1.1 Safety Precautions
! Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
! Please use enough caution not to see the beam directly or touch it in case of an
adjustment or operation check.