Jvc KSR 127 Service Manual

Page 1

(

KS-R127 J

JVI:
SEBV CE MANUAL

KS-R127 J

Contents

Features
Specifications ............ . ..
3 Location of Controls and Mam Operations ..
Location of Main Parts
Removal of Main Parts ..
Main Adjustment
7 Block Diagram ....................... .. 16

IEIIEIIEIIEEI

Area suffix
J ......... USA.
Page
Wiring Connections ......................................... 17
E] Standard Schematic Diagram ............................ 18
Location of P.c. Board Parts and Parts List . . 20
[E Exploded View of Enclosure Assembly .. . 25
IE Exploded View of Mechanism Assembly . 26
IE Packing Illustration and Packing Parts List .. 30

No. 49226
December 1994

Page 2

KS-R127 J

2

1 Features

I AM/FM Stereo PLL Synthesizer Tuner

I 20 Station Preset Tuning

I Preset Scan Tuning, UP/Down Seek Tuning, Manual

Tuning

I U-Turn Auto Reverse Mechanism

Audio Amplifier Section
Maximum Power Output

Continuous Power Output
(RMS)

Load impedance
Frequency Response
Signal-to-Noise Ratio
Radio Section
Frequency Range

(FM Tunerl
Usable Sensitivity
50 dB Ouieting Sensitivity

Alternate Channel Selectivity :

Frequency Response
Stereo Separation
Capture Ratio

(No. 49226)

2 Specifications

: 8 watts per channel
(2-channell, 5 watts per
channel (4-channel)

: 3 watts per channel into
4 9, 100 to 20,000 Hz,
at no more than 0.8%
THD (2 channel)

: 4 Q (4~8 Q Allowable)

: 40420000 H2

: 60 dB

: FM: SIS-107.9 MHz
AM: 530-1,710 kHz

: 17.2 dBf (2.0 W75 9)
: 19.5 dBf (2.6 uV/75 9)
(400 kHz): 65 dB
:40-15,000 Hz

: 30 dB

: 2.0 dB

I TONE Control
I FADER Control

I Maximum Power Output of 8 watts per channel

I Digital CLOCK button

(AM Tuner)
Sensitivity
Selectivity

Cassette Deck Section
Wow & Flutter

Fast Wind Time
Frequency Response
Signal-to-Noise Ratio
Stereo Separation
General

Power Requirement
Operating Voltage

Grounding System
Dimensions (W x H x D)
Chassis

Nosepiece

Control Shaft Pitch
Gross Weight

Design and specifications subject to change without notice.

:ZOuV
:35dB

: 0.11% (WRMS)

: 100 sec. (C-GO)
:50-13,000 Hz (is dB)
: 52 dB

: 40 dB

:DC (4.4V

(11 V-16 V Allowable]

: Negative Ground

:178x50x130 mm

(7-1/16 X2 x5-1/8)

2105x42><35 mm

(4-3/16><1-11/16><
1-7/16)

: 148 mm (5-7/8)
: 1.5 kg (3.4 lbsl