Jvc KDR 420 J Service Manual

Page 2

SPECIFICATION

[KD-R424, KD-R425, KD-R426]

AUDIO AMPLIFIER SECTION

Maximum Power Output

50 W per channel

Continuous Power Output(RMS)

20 W per channel into 4 £2, 40 Hz to 20 000 Hz at no more than 1% total harmonic distortion.

Signal-to-Noise Ratio

70 dB

Load Impedance

4 £2 (4 Q to 8 £2 allowance)

Frequency Response

40 HZ to 20 000 HZ

Line-Out or Subwoofer-Out Level/Impedance

2.5 V/20 kQ load (full scale)

Output Impedance

1kQ

Other Terminal

USB input terminal, Front auxiliary inputjack, Rear auxiliary/Bluetooth adapter input
jack, Antenna terminal

TUNER SECTION

Frequency Range FM 87.5 MHZ to 108.0 MHZ
AM 531 kHz to 1611 kHz

FM Tuner Usable Sensitivity 9.3 dBf (0.8 uV/75 Q)
50 dB Quieting Sensitivity 16.3 dBf (1.8 uV/75 Q)
Alternate Channel Selectivity (400 kHz) 65 dB
Frequency Response 40 Hz to 15 000 Hz
Stereo Separation 40 dB

AM Tuner Sensitivity/Selectivity 20 [JV/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

Wow and Flutter Less than measurable limit

MP3 Decoding Format (MPEG1/2 Audio Layer 3) Max. Bit Rate 320 kbps
WMA (Windows Media®Audio) Decoding Format Max. Bit Rate 192 kbps

USB SECTION

USB Standard

USB1.1,USB 2.0

Data Transfer Rate (Full Speed) Max, 12 Mbps
Compatible Device Mass Storage Class
Compatible File System FAT 32/16/12
Playable Audio Format MP3/WMA

Max. Current

DC5V=500mA

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 x H x D):(approx.)

Installation Size 182 mm x 52 mm x 159 mm

Panel Size 188 mm x 59 mm x 9 mm

Mass

1.2 kg (excluding accessories)

- Subject to change without notice.

- Microsoft and Windows Media are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or

other countries.

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