Jvc KDGS 550 Service Manual

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KD - 65550 cm .;

JVI'J

SERVICE MANUAL

KD- G355OC/J

@figé

DIGITAL AUDIO

Area Suffix
----- Canada

----- U.S.A
Contents
I .Safety precautions ........................... pagez IEStandard schematic diagram ................... 35
I Features/Specifications ---------------------------- 3 ..Location of p.c.board parts and parts list 37
I .lnstrucfions ------ {E .Exploded view of enclosure assembly
[Location of main parts ............................ 18 and parts fist ...................................... 42
@.Removal of main parts ------------------------ 20 E .Exploded view of mechanism
lMain adjustment ................................... 23 assembly and parts list .......................... 44
[Block diagram ...................................... 27 [Packing illustration and parts fist ............... 47
[:5].Wiring connections ................................ 34
No.49252

February 1995

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I KD - GSSSOC/J

l-

( FEATURES (SPECIFICATIONS

o Detachable Control Panel
0 Voice Support System
(Kc-essso only)

I "Direct-in" disc loading system

0 Direct Access Play/Skip Play/Search
Play/Repeat Play/Random Play/Intro Play

0 AMIFM Stereo PLL Synthesizer Tuner

0 24-Stetion Preset Tuning (FM-18, AM-S)

o Preset Scan/SeeklManual Tuning

0 4-Cl'IanneI Amplifier System

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

0 One Touch Operation

0 Sound Control Memory

0 Digital Clock Display

0 Line Output Terminal

CD PLAYER SECTION

Type: Compact disc player

Signal Detection System: Non-contact optical pickup
(semiconductor laser)

Number of Channels: 2 channels (stereo)

Frequency Response: 5 to 20.000 Hz

Dynamic Range: 95 dB

Signal-to-Noise Ratio: 97 dB

Wow 8t Flutter: Less than measurable limit

AUDIO AMPLIFIER SECTION

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

Continuous Power Output (RMS): (Front) 8 watts per
channel into 4 n, 40 to 20,000 Hz at no more than
013% total harmonic distortion. (Rear) 8 watts per
channel into 4 Q, 40 to 20.000 141 at no more than
0.8% total harmonic distortion,

Load Impedance: 4 Q (4 to 8 n allowance)

Tone Control Range
Bass: ill) 63 at 100 H:
Treble: :10 dB at 10 kHz

Frequency Response: 40 to 20,000 Hz

Signal-to-Noise Ratio: 70 dB

Line~0ut Level: 1.5 V/20 kn load (Full scale)

Output Impedance: 1 kn

RADIO SECTION
Frequency Range
FM: 87.5 to 107.9 MHz
(with channel Interval set to 200 kHz)
87.5 to 108.0 MHZ
(with channel interval set to 50 kHz)
AM:530101,710 kHz
(with channel interval set to 10 kHz)
531 to 1.602 kHz
(with channel interval set to 9 kHz)
[FM Tuner]
Usable Sensitivity: 11.3 dB!( 1.0 uV/75 (2)
50 dB Quieting Sensitivity: 16.3 dBl (1.8 pV/75 n)
Alternate Channel Selectivity: (400 kHz): 65 dB
Frequency Response: 40 to 15,000 Hz
Stereo Separation: 35 dB
Capture Ratio: 1.5 dB
[AM Tuner]
Sensiti y: 20 (IV
SelectiVIty: 35 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: 182 x 52 x
159 mm (7-3/16" x 2-1/16" x 55/16")
Panel size: 189 X 58 x14 mm (7-1/2" X2-5/16"x
5/8")

Gross Weight: 1.9 kg (4.2 lbs)

Design and spedlicalions subject to change without
notice.

(No. 49252) 3