JVC KD-G502B Service Manual

SERVICE MANUAL

CD RECEIVER

MA10920048

KD-G502B

Area suffix

B ------------------------------- U.K.

This model is KD-G502B that is added to the preceding model, the KD-G502 EX.
Therefore, this service manual is consiting of difference parts list with KD-G502 EX.
Please refer to the service manual of KD-G502 EX. (issue No. MA092)

TABLE OF CONTENTS

1 RECAUTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

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

3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

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

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

COPYRIGHT © 2004 Victor Company of Japan, Limited

No.MA109

2004/8

SPECIFICATION

AUDIO AMPLIFIER SECTION

Maximum Power Output Front 50 W per channel

Rear 50 W per channel

Continuous Power Output
(RMS)

Load Impedance 4 Ω (4 Ω to 8 Ω allowance)

Tone Control Range Bass ±10 dB at 100 Hz

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

Frequency Range FM 87.5 MHz to 108.0 MHz

[FM Tuner] Usable Sensitivity 11.3 dBf (1.0 µV/75 Ω)

[MW Tuner] Sensitivity 20 µV

[LW Tuner] Selectivity 50 µV

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

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

Mass (approx.) 1.4 kg (excluding accessories)

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.

Treble ±10 dB at 10 kHz

TUNER SECTION

AM (MW) 522 kHz to 1 620 kHz

(LW) 144 kHz to 279 kHz

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 30 dB

Capture Ratio 1.5 dB

Selectivity 35 dB

CD PLAYER SECTION

Max. Bit Rate:320 Kbps

GENERAL

Panel Size (approx.) 188 mm × 58 mm × 12 mm

Design and specifications are subject to change without notice.

1-2 (No.MA109)