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Kenwood RXD-A51 User Manual

Kenwood RXD-A51
47 pages
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Panel (CD)
(A29-1046-02)
Knob
(K29-7544-04)
Knob
(K29-7543-04)
Front glass
(B10-)
Front glass
(B10-3449-02)
Front glass
(B10-3471-03)
Knob
(K29-7541-02)
Knob
(K29-7541-02)
Knob
(K29-7545-04)
Panel *
(A60-)
Front glass
(B10-3448-02)
Cassette lid (R)
(A53-2122-02)
Cassette lid (L)
(A53-2121-02)
Phone jack
(E11-0280-05)
Knob
(K29-7553-01)
MINI HiFi COMPONENT SYSTEM
RXD-402/402E/402W/452/452E/452W/502/502E/
RXD-502W/552/552E/552W/572S/A41/A51
(XD-402~A51) **
SERVICE MANUAL
© 1999-1/B51-5500-00 (K/K) 3590
Illustration is RXD-402.
* Refer to parts list on page 48~.
In compliance with Federal Regulations, following are reproduc-
tions of labels on, or inside the product relating to laser product
safety.
**Refer to page 2 if you want to know system configuration.
KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.
DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM
RXD-402(E) INT1P 99.6.9 7:25 PM y[W 2
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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Kenwood RXD-A51 Specifications

General IconGeneral
FunctionsCD player, Tuner, Cassette Deck
Number of Channels2
Frequency Response20 Hz - 20 kHz
Total Harmonic Distortion0.1%
Input Sensitivity150 mV
CD PlayerYes
Cassette DeckYes
Speaker Impedance6 Ohms
TypeStereo Receiver
TunerFM/AM
AM Sensitivity20uV
Signal to Noise Ratio80dB (CD), 65dB (Tape), 65dB (Phono)
Speakers2-way speakers

Summary

CONTENTS / ACCESSORIES / CAUTIONS

Accessories

Lists included accessories like antennas, remote controls, and cables.

System configuration

Details system models, main units, speaker types, and destinations.

Cautions

Provides instructions for resetting the microcomputer and warnings.

EXTERNAL VIEW / DISASSEMBLY FOR REPAIR

External View

Shows a diagram of the main unit with labeled external parts.

Disassembly for Repair

Illustrates how to open the CD tray if it fails to come out.

BLOCK DIAGRAM

CIRCUIT DESCRIPTION

Initialization

Explains initial setup, operation, and backup data.

Destination List of TUNER

Lists tuner destinations, frequency ranges, and channel spaces.

Test Mode

Details how to enter and cancel test mode for the receiver.

Test Mode of Cassette Deck

Explains how to set, cancel, and conditions for cassette deck test mode.

Test Mode of CD Player

Details how to enter, cancel, and operate the CD player in test mode.

Main Microprocessor

Shows block diagram and key matrix for the main microprocessor.

Microprocessor Pin Description

Lists pin descriptions for the M30622MA-173FP microprocessor.

IC Controller

Details IC controllers like the RDS LED driver.

ADJUSTMENT

Amplifier Adjustment

Describes the procedure for adjusting the amplifier's idle current.

Tuner Adjustment

Details adjustment procedures for VCO, resonance, and separation.

CD Player Adjustment

Explains laser power and focus error bias adjustments in test mode.

Cassette Deck Adjustment

Covers demagnetization, azimuth, playback level, and bias current adjustments.

WIRING DIAGRAM

EXPLODED VIEW (CD MECHANISM)

EXPLODED VIEW (CASSETTE MECHANISM)

EXPLODED VIEW (UNIT)

PARTS LIST

How to Read the Parts List

Explains abbreviations used in the parts list for models and countries.

SPECIFICATIONS

Main Unit Specifications

Details amplifier, tuner, and cassette deck specs for XD-5/XD-4 series.

CD Player Specifications

Lists laser, wow & flutter, dimensions, and weight specifications.

General Specifications

Includes power consumption and weight details.

Tuner Section Specifications

Provides FM and AM tuning frequency ranges and specifications.

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