Jvc KSF 185 Service Manual

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JVC

SERVICE MANUAL

CASSETTE RECEIVER

KS-F185,KS-F185S,KS-F185G

KS-F185

Area suffix

UH ...................... Thailand
UN . <- Indonesia
U .................... OtherAreaS

KS-F1858

Area suffix

UN .s..............-.--- Indonesia

KS-F1856

Area suffix
UN .s..............-.--- Indonesia

TABLE OF CONTENTS

1 PRECAUTION ......................................................................... 1-3
2 SPECIFIC SERVICE INSTRUCTIONS ...................................................... 1-4
3 DISASSEMBLY ....................................................................... 1-5
4 ADJUSTMENT ....................................................................... 1-13
5 TROUBLESHOOTING ................................................................. 1-17
COPYRIGHT © 2005 Victor Company of Japan, Limited N0.MA094B

2005/3

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SPECIFICATION

AUDIO AMPLIFIER SECTION

Maximum Power Output Front 45 W per channel
Rear 45 W per channel
Continuous Power Output Front 17 W per channel into 4 Q, 40 Hz to 20 000 Hz at no more than
(RMS) 0.8% total harmonic distortion.
Rear 17 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 1.0 V/20 kQ 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 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 35 dB
Capture Ratio 2.0 dB
[AM Tuner] Sensitivity 20 uV
Selectivity 35 dB
CASSETTE DECK SECTION
Wow & Flutter 0.15% (WRMS)
Fast-Wind Time 190 sec. (0-60)
Frequency Response 50 Hz to 14 000 Hz (Normal tape)
Signal-to-Noise Ratio 52 dB
Stereo Separation 40 dB
GENERAL
Power Requirement 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 X 52 mm X 150 mm
Panel Size (approx.) 188 mm X 58 mm X 11 mm
Mass (approx.) 1.3 kg (excluding accessories)

Design and specifications are subject to change without notice.

1-2 (No.MA094B)