Jvc KDS 48 J Service Manual

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Jvc KDS 48 J Service Manual

Extracted text from Jvc KDS 48 J Service Manual (Ocr-read)


Page 1

1-2 (No.MA492) SPECIFICATION - Subject to change without notice. - If a kit is necessary for your car, consult your telephone directory for the nearest car audio speciality shop. KD-A725/KD-R720/KD-S48/KD-S88BT AUDIO AMPLIFIER SECTION Power Output 20 W RMS × 4 Channels at 4 Ω and ≤ 1% THD+N Signal-to-Noise Ratio 80 dBA (reference: 1 W into 4 Ω) Load Impedance 4 Ω (4 Ω to 8 Ω allowance) Frequency Response 40 Hz to 20 000 Hz Line-Out or Subwoofer-Out Level / Impedance 2.5 V/20 kΩ load (full scale) Output Impedance≤ 600 Ω Other Terminal AUX (auxiliary) input jack, USB input terminal, USB rear cable, Expansion port, Antenna terminal TUNER SECTION Frequency Range FM with channel interval set to 200 kHz 87.9 MHz to 107.9 MHz 50 kHz 87.5 MHz to 108.0 MHz AM with channel interval set to 10 kHz 530 kHz to 1 700 kHz 9 kHz 531 kHz to 1 611 kHz FM Tuner Usable Sensitivity 9.3 dBf (0.8 µV/75Ω) 50 dB Quieting Sensitivity 16.3 dBf (1.8 µV/75 Ω) Alternate Channel Selectivity (400 kHz) 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation: 40 dB AM Tuner Sensitivity/Selectivity 20 µV/40 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 Signal-to-Noise Ratio 98 dB 102 dB (For KD-S48) Wow and Flutter Less than measurable limit MP3 Decoding Format (MPEG1/2 Audio Layer 3) Max. Bit Rate 320 kbps WMA (Windows Media (R) Audio) Decoding Format Max. Bit Rate 320 kbps USB SECTION USB Standard USB 1.1, USB 2.0 Data Transfer Rate (Full Speed) Max. 12 Mbps Compatible Device Mass Storage Class (except HDD) Compatible File System FAT 32/ 16/ 12 Playable Audio Format MP3/ WMA/ WAV Max. Current DC 5 V 1 A Output Power (For KD-S48) DC 5 V 1 A , USB input terminal (front/rear) BLUETOOTH SECTION Version Bluetooth 2.1 certified (+EDR) Profile HFP 1.5, OPP 1.1, A2DP 1.2, AVRCP 1.3, PBAP 1.0 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) : (approx.) Installation Size 182 mm × 52 mm × 158 mm (7-3/16 × 2-1/16 × 6-1/4) Panel Size 188 mm × 59 mm × 9 mm (7-7/16 × 2-3/8 × 3/8) Mass 1.3 kg (2.9 lbs) (excluding accessories)

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(No.MA492)1-3 - Subject to change without notice. KD-R721BT, KD-R727BT, KD-R729BT AUDIO AMPLIFIER SECTION Maximum Power Output 50 W per channel Continuous Power Output (RMS) 20 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more than 1% total harmonic distortion. Signal-to-Noise Ratio 70 dB Load Impedance 4 Ω (4 Ω to 8 Ω allowance) Frequency Response 40 Hz to 20 000 Hz Line-Out or Subwoofer-Out Level / Impedance 2.5 V/20 kΩ load (full scale) Output Impedance≤ 600 Ω Other Terminal USB input terminal, USB rear cable, Auxiliary input jack, Antenna input TUNER SECTION Frequency Range FM 87.5 MHz to 108.0 MHz LW [For KD-R727] 65.0 MHz to 74.0 MHz AM MW 531 kHz to 1 611 kHz LW 153 kHz to 279 kHz FM Tuner Usable Sensitivity 9.3 dBf (0.8 µV/75Ω) 50 dB Quieting Sensitivity 16.3 dBf (1.8 µV/75 Ω) Alternate Channel Selectivity (400 kHz) 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation: 40 dB MW Tuner Sensitivity/Selectivity 20 µV/40 dB LW Tuner Sensitivity 50 µV 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 Signal-to-Noise Ratio 102 dB Wow and Flutter Less than measurable limit MP3 Decoding Format (MPEG1/2 Audio Layer 3) Max. Bit Rate: 320 kbps WMA (Windows Media (R) Audio) Decoding Format Max. Bit Rate: 192 kbps USB SECTION USB Standard USB 1.1, USB 2.0 Data Transfer Rate (Full Speed) Max. 12 Mbps Compatible Device Mass Storage Class (except HDD) Compatible File System FAT 32/ 16/ 12 Playable Audio Format MP3/ WMA/ WAV Output Power DC 5 V 1 A, USB input terminal (front/rear) BLUETOOTH SECTION Version Bluetooth 2.1 certified (+EDR) Power Class Class 2 Radio Service Area 10 m Profile HFP 1.5, OPP 1.1, A2DP 1.2, AVRCP 1.3, PBAP 1.0 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) : (approx.) Installation Size 182 mm × 52 mm × 158 mm Panel Size 188 mm × 59 mm × 9 mm Mass 1.3 kg (excluding accessories)