Jvc KDG 502 Service Manual

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JVC

SERVICE MANUAL

CD RECEIVER

KD-G502

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DIGITAL AUDIO

"3 3 nos

TABLE OF CONTENTS
1 PRECAUTION ......................................................................... 1-3
2 SPECIFIC SERVICE INSTRUCTIONS ...................................................... 1-6
3 DISASSEMBLY ....................................................................... 1-6
4 ADJUSTMENT ........................................................................ 1-6
5 TROUBLESHOOTING .................................................................. 1-6
COPYRIGHT © 2004 VICTOR COMPANY OF JAPAN, LIMITED No.MA092

2004/4

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SPECIFICATION

AUDIO AMPLIFIER SECTION

Maximum Power Output Front 50 W per channel
Rear 50 W per channel
Continuous Power Output (RMS) Front 19 W per channel into 4 Q, 40 Hz to 20 000 Hz at no more
than 0.8% total harmonic distortion.
Rear 19 W per channel into 4 Q, 40 Hz to 20 000 Hz at no more
than 0.8% total harmonic distortion.
Load Impedance 4 Q (4 £2 to 8 £2 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 k0 load (full scale)
Output Impedance 1 k0
TUNER SECTION
Frequency Range FM 87.5 MHZ to 108.0 MHZ
AM (MW) 522 kHz to 1 620 kHz

(LW) 144 kHz to 279 kHz

[FM Tuner] Usable Sensitivity 11.3 dBf (1.0 uV/75 Q)
50 dB Quieting Sensitivity 16.3 dBf (1.8 uV/75 52)
Alternate Channel Selectivity (400 kHz) 65 dB
Frequency Response 40 Hz to 15 000 Hz
Stereo Separation 30 dB
Capture Ratio 1.5 dB

[MW Tuner] Sensitivity 20 uV
Selectivity 35 dB

[LW Tuner] Selectivity 5O uV

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

MP3 decoding format

MPEG 1/2 Audio Layer 3

Max. Bit Ratez320 Kbps

GENERAL

Power Requirement I

Operating Voltage

DC 144 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)

Installation Size (approx)

182 mm><52 mm>< 150 mm

Panel Size (approx)

188mm><58mm><12 mm

Mass (approx)

1.4 kg (excluding accessories)

Design and specifications are subject to change without notice.

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