Jvc KSFX 921 Service Manual

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JVC
SERVICE MANUAL

CASSETTE RECEIVER
KS-FX921

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Area Suffix
U --------------------- Other Areas
TABLE OF CONTENTS
1 Precaution ........................................................................... 1-3
2 Disassembly method .................................................................. 1-4
3 Adjustment .......................................................................... 1-19
4 Description of major le ............................................................... 1-23
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LIMITED No_49846

2003/5

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SPECIFICATION

AUDIOAMPLIFIER Maximum Power Output Front 50 W per channel
SECTION 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 :9 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 (250 nWb/m)
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 QV/75 Q)
50 dB Quieting Sensitivity 16.3 dBf (1.8 QV/75 9)
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 9V
Selectivity 35 dB
CASSETTE DECK Wow & Flutter 0.11% (WRMS)
SECT'ON Fast-Wind Time 100 sec. (0-60)
Frequency Response (Dolby B NR OFF) 30 Hz to 16 000 Hz (Normal tape)
Signal»to»Noise Ratio 56 dB (Normal tape)
(Dolby B NR ON) 65 dB
(Dolby B NR OFF) 56 dB
Stereo Separation 40 dB
GENERAL Power Requirement Operating Voltage DC 14.4 V(11 V to 16 V allowance)

Grounding System

Negative ground

Allowable Operating Temperature

090 to +4090

Dimensions (W x H x D)

Installation Size (approx)

182 mm x52 mm x150 mm

Panel Size (approx)

188mm><58mm><12mm

Mass (approx)

1.5 kg (excluding accessories)

Design and specifications are subject to change without notice.

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