Jvc KSRT 606 R Service Manual

Page 1

KS - RTSOSR B/E/G/GE/GI

JVD

SERVICE MANUAL

KS - RT606 R B/E/G/GE/Gl

Area Suffix
B .............................. U.K.
E -------- Continental europe
G ....................... Germany
GE ----------- Eastern Europe
Austria and Switzland
contents Gl ............................. italy
I .Features ........................................ P8962 l3 .Standard schematic diagram ................... 27
I Specifications ---------------------------------------- 2 @Location of p.c.board parts and parts iist 30
I .Instructions' ------------------------------------------- 3 .Exploded view of enclosure assembly
I.Location of main parts ............................ 15 and parts list ...................................... 37
I.Removal of main parts --------------------------- 17 I.Exploded view of mechanism
I.Main adiustment ................................... 19 assembly and parts list .......................... 38
I.Biock diagram ...................................... 23 @Packing illustration and parts list ............... 4o
No49257

March 1995

Page 2

KS - RTGOSR B/E/G/GE/GI

( FEATURES

. Detachable Control Panel

0 Radio Data System (RDS)

o AM/FM Stereo PLL Synthesizer Tuner

0 18-Station Preset Tuning (FM-12, AM
[MW/LWJ-G)

e Seek/Manual Tuning

- Strong-station Sequential Memory (SSM) (FM
only)

I U-Tum Auto-Reverse Mechanism

0 Dolby' B Noise Reduction

- 4-Channel Amplifier System

0 Maximum Power Output of 22 watts per
channel (Front)/22 watts per channel (Rear)

0 Sound Control Memory

0 Illumination Color Button

0 Digital Clock Display

a Line Output Terminal

" Dolby Noise Reduction manufactured under
license from Dolby Laboratories Licensing
Corporation. "Dolby" and the doubleD symbol
DI] are trademarks oi Dolby Laboratories
Licensing Corporation.

2 (No. 49257)

SPECIFICATIONS

AUDIO AMPLIFIER SECTION

Maximum Power Output: (From) 22 watts per channel
(Rear) 22 watts per channel

Continuous Power Output (RMS): (Front) 8 watts per
channel into 4 Q, 40 to 20,000 Hz at no more than
0.8% total harmonic distortion. (Rear) 8 watts per
channel into 4 Q, 40 to 20,000 Hz at no more than
0.8% total harmonic distortion.

Load impedance: 4 n (4 to 8 fl allowance)

Tone Control Range ,
Bass: 110 dB at 100 Hz
Treble: :10 dB at 10 kHz

Frequency Response: 40 to 20,000 Hz

Signal-toNoise Ratio: 70 dB

Line-Out Level/Impedance: 0.5 V/20 kn load
(250 nWb/m)

RADIO SECTION
Frequency Range
FM: 87.5 to 108.0 MHz
AM: (MW) 522 to 1,620 kHz
(LW) 144 to 279 kHz (
[FM Tuner]
Usable Sensitivity: 11.3 dBI ( 1.0 pV/75 Q)
50 dB Ouieting Sensitivity: 16.3 dB! (18 [JV/75 9)
Alternate Channel Selectivity: (400 kHz): 65 dB
Frequency Response: 40 to 15,000 Hz
Stereo Separation: 30 dB
Capture Ratio: 1.5 dB
[MW Tuner]
Sensitivity: 20 uV
Selectivity: 35 dB
[LW Tuner]
Sensitivity: 50 (1V

CASSETTE DECK SECTION (
Wow 8. Flutter: 0.11% (WRMS)
Fast-Wind Time: 100 sec. (C-SO)
Frequency Response: 50 to 16,000 Hz (:3 dB)
Signal-to-Noise Ratio (Dolby NR-ON): 60 dB

(Dolby NR-OFF): 52 dB
Stereo Separation: 40 (15

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: 182 x 52 x
152 mm (73/16" x 2-1/16'I x 6")
Panel Size: 189 x 58 x 14 mm <
(7-1/2" x 2-5/16" x 5/8")

Gross Weight: 1.9 kg (4.2 lbs)

Design and specifications subject to change without
notice.

Page 4

KS - RT606Fl B/E/G/GE/Gl

Removing the unit

0 Before removing the unit, release the rear
section.

® Remove the control panel.

© Remove the trim plate.

ELECTRICAL CONNECTIONS

To prevent short circuits, we recommend that
you disconnect the batterys negative terminal
and make all electrical connections before
installing the unit. If you are not sure how to
install this unit correctly, have it installed by a
qualified technician

Note:

This unit is designed for a 12-volt DC negative
ground. If your vehicle does not have this system,
a voltage inverter is required, which can be
purchased at JVC "IN-CAR ENTERTAINMENT"
dealers.

A. 4-Speaker Connections

G) Insert the 2 handles between the side springs
and the sleeve, as shown. Then, while gently
pulling the handles away from each other,
slide out the unit.

Griff
Paignés

0 Maximum input of the speakers should be
more than 22 watts at the rear and 22 watts at
the front, with an impedance of 4 to 8 ohms.

CAUTIONS:

As this unit uses BTL (Balanced

Transformerless) amplifier clrcuitry (floating

ground system), please comply with the

following:

1. Do NOT connect the black-lined speaker
leads to a common point.

2. Do NOT connect the speaker leads to the
metal body or chassis.

3. Cover the termlnals of the leads that are
NOT used with Insulating tape, to prevent
them from shortlng.

0 Be sure to ground this unit to the car's
chassis.

0 When attaching the connectors, make sure a click sound is heard.

I When detaching the connectors, first disengage the lock.

(D
I

\®

Rear ground terminal -\ Left

Line out x

/3{@§

Antenna terminal

6% fig Not to be used

When connecting, do not cut and remove the fuse,

Right

Blue with white line
Automatic antenna or remote control

Accessory terminal of [use block

kk
8A fuse Memory back-up lead
Yellow

Black Metal body or chassis (Negative ground)

From/Left

e:

G)

Gray (9 a g
£@ Front/Right
@

Purple @ . ~ ,
3'. Rear/Right
A )

Rear/Left {fix = 45-:
" a '
\ " Blacklined

(-3
4 (No. 49257)

e'lack lined e