JVC KD-G258 Service Manual

SERVICE MANUAL

CD RECEIVER

MA09620046

KD-G258

Area suffix

UF -------------------------- China

TABLE OF CONTENTS

1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

COPYRIGHT © 2004 Victor Company of Japan, Limited

No.MA096

2004/6

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 Ω, 40 Hz to 20 000 Hz at no more

than 0.8% total harmonic distortion.

Rear 19 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more

than 0.8% total harmonic distortion.

Load Impedance 4 Ω (4 Ω to 8 Ω 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 kΩ load (full scale)
Output Impedance 1 kΩ

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 Ω)

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 35 dB

Capture Ratio 1.5 dB

[AM Tuner] Sensitivity 20 µV

Selectivity 35 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

Dynamic Range 96 dB

Signal-to-Noise Ratio 98 dB

Wow and Flutter Less than measurable limit

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)

Design and specifications are subject to change without notice.

1-2 (No.MA096)