Jvc KSRT 45 Service Manual

Page 1

KS-RT45 BI '

Area suffix
B .. . U.K.
E .. . Continental Europe
G ........ Germany
GE ...... Austria, Switzerland and
Eastern Europe
GI ....... Italy
Contents
Page Page
I Instructions (Extraction) ................................... 2 [El Standard Schematic Diagram
El Location of Main Pans .................................... 11 I AM Tuner, SK/DK Circuit ............................ 27
[2' Removal of Main Parts I Amplifier Circuit (BlE/G version) .................. 28
I Enclosure Section .. I Amplifier Circuit (G/GE version) ................... 30
I Mechanism Section Location of P.C. Board Parts and Parts List ........ 32
IE Main Adjustment ........... Exploded View of Enclosure Component
I Tape Section ..... Parts and Parts List ......................................... 38
I Tuner Section . IE] Exploded View of Mechanism Component
El Wiring Connections ..... Parts and Parts List ......................................... 40
IE] Block Diagram Packing Illustration and Packing Parts List .......... 42
I Integrated Circuit ....................................... 21
I Circuit Book Diagram ................................. 25
No. 49202

February 1994

Page 2

KS-RT45 B/E/G/G E/Gl

Instructions (Extract)

1 CONTENTS

Features...
important information
Installation (In-dash mounting)
Electrical connections.
Location of control
Tape operation
Radio operation .
Digital clock display
Maintenance
Tape care hints
Specifications.

Note:

For security reasons, a numbered ID card is
provided with this unit, and the same lD No. is
imprinted on the unit's chassis. Keep the card in
a safe place, as it will help the authorities to
identity your unit it stolen.

SPECIFICATIONS

l

AUDIO AMPLIFIER SECTION

(K84 RT 35)
Maximum Power Output: 8 W per channel (2-channel),
5w per channel (4-channel)
Continuous Power Output (RMS): 3 W per channel into
4 Q. 100 to 20,000 Hz at no more than 0.8% total
harmonic distortion (2-cnannel).
[KS-RT45)
Maximum Power Output: (Front) 22 W per channel,
(Rear) 22 W per channel
Continuous Power Output (RMS): (Front) 8 W per
channel into 4 0, 40 to 20,000 Hz at no more than
0.8% total harmonic distortion. (Rear) 8 W per
channel into 4 (2, 40 to 20,000 Hz at no more than
0.8% total harmonic distortion.

Load Impedance: 4 fl (4 to B Q allowance)
Tone Control Range

Bass: :10 dB at 100 Hz

Treble: :10 dB at 10 kHz
Frequency Response: 40 to 20.000 Hz
Signal-to-Noise Ratio: 60 dB

RADIO SECTION
Frequency Range
FM: 87.5 to 108.0 MHZ
AM: (MW) 522 to 1.620 kHz
(LW) 144 to 281 kHz (Manual)
(LW) 144 to 279 kHz (Auto)
(FM Tuner]
Usable Sensitivity: 15.3 (18' ( 1.6 )iV/75 (2)
50 dB Ouieting Sensitivity: 18.8 dBI (2.4 uV/75 0)
Alternate Channel Selectivity: (400 kHz): 65 dB
Frequency Response: 40 to 15,000 Hz
Stereo Separation: 30 dB
Capture Ratio: 1.5 dB

(No. 49202)

FEATURES

0 Detachable Control Panel

0 AM/FM Stereo PLL Synthesizer Tuner

0 20~Station Preset Tuning (FM-15, AM
[MW/LWJ-5)

o Preset Scan/Scan/Seek/Manual Tuning

0 SK/DK Traitic information Reception (G/GE)

I U-Turn Auto-Reverse Mechanism

0 Maximum Power Output of 8 watts per channel
(2-channel) (KSaRTSS)

o 4-Channel Amplifier System
Maximum PowenOutput of 22 watts per
channel (Front)/22 watts per channel (Rear)
(Ks-ans)

0 Active Hyper-Bass Sound

I Fader Control

0 Digital Clock Display

0 Mono Button

[MW Tuner)
Sensitivit :20 av
SelectiVIty: 35 dB
[LW Tuner)
Sensitivity: 50 W

CASSETTE DECK SECTION

Wow 3. Flutter: 0.11% (WRMS)

Fast~Wind Time: to!) sec. (0-60)

Frequency Response: 50 to 14,000 Hz (:3 dB)
Signal-Io-Noise Ratio: 52 dB

Stereo Separation: 40 dB

GENERAL

Power Requirement
Operating Voltage: DC 14.4 volts (11 to 16 volts
allowance)
Grounding System: Negative ground

Dimensions (W x H x D) Installation Size: I78 x 50 x
151 mm (7-1/16" X 2" X 6")
Panel Size: 190 x 58 x 18 mm (7-1/2" x 2-5116" x
3/4")

Gross Weight: 1.8 kg (40 lbs)

Design and specifications subject to change wilhout
notice.