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Kenwood RXD-M909 User Manual

Kenwood RXD-M909
52 pages
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This product uses Lead Free solder.
This product complies with the
RoHS directive for the European market.
© 2008-10 CREATED IN JA PAN
B53-4056-00
(
N/J
)
PDF
SERVICE MANUAL
DVD COMPACT Hi-Fi COMPONENT SYSTEM
RXD-M909
LS-M909
(M-909DV)
DANGER:
Please do not look at the laser beam directly during
re pair or operation check.
Door, CD
(A53-1501-08)
Panel, Front
(A60-2566-08)
Knob
(J19-6505-08)
Decor
(K29-8732-08)
Jack, Phone
(E11-0989-08)
Door, Cassette
(A53-2497-08)
Connector, USB
(E58-0107-08)
Question and Answer IconNeed help?

Do you have a question about the Kenwood RXD-M909 and is the answer not in the manual?

Kenwood RXD-M909 Specifications

Amplifier IconAmplifier
rated output50 W + 50 W RMS (1 kHz, 10%, 4 Ω)
DIN music power60 W + 60 W
Tuner IconTuner
FM reception frequency range87.5 MHz ~ 108 MHz (50 kHz step)
AM reception frequency range522 kHz ~ 1, 620 kHz (9 kHz step)
Video IconVideo
video output formatNTSC/PAL
composite video output level1 Vp-p (75 Ω)
component video output level (Y-signal)1 Vp-p (75 Ω)
component video output level (Cb-signal)0.680 Vp-p (75 Ω)
component video output level (Cr-signal)0.680 Vp-p (75 Ω)
USB Interface IconUSB Interface
maximum consumption500 mA
maximum number of folders999 folders
maximum number of files999 files
General IconGeneral
power consumption50 W
dimensionsW: 170 mm, H: 243 mm, D: 273 mm
weight3.2 kg
Speaker IconSpeaker
woofer size120 mm, cone type
tweeter size50 mm, cone type
impedance4 Ω
maximum input power100 W
rated input power50 W
speaker dimensionsW: 174 mm, H: 243 mm, D: 225 mm
speaker weight2.9 kg (1 piece)

Summary

Accessories and Cautions

Product Accessories

List of included accessories with part numbers for the system.

Safety and Disposal Cautions

Warnings regarding laser safety, product disposal, and battery handling.

External Views

Parental Lock and Disassembly

Reset Parental Lock

Procedure to reset parental lock settings using a specific code.

Disassembly Procedures

Step-by-step guide for disassembling various parts of the main unit.

Adjustment Procedures

Troubleshooting Guide

Power Supply (SMPS) Troubleshooting

Diagnostic steps for the power supply unit (SMPS).

Sensor and MICOM Part Checks

Checks for P-SENS, VKK, and MICOM circuitry issues.

MICOM, IC103, Display Checks

Troubleshooting for MICOM, IC103, and the Front LCD display.

PWM and Power Amplifier Checks

Diagnostic procedures for PWM modulation and power amplifier sections.

Tuner, Tape, Portable Function Checks

Troubleshooting for tuner, tape, and portable functions.

Tape Recording and Power Part Checks

Diagnostic steps for tape recording and general power components.

Test and Debug Flow

A systematic flowchart for testing and debugging unit operations.

USB Part Troubleshooting

Specific steps for diagnosing issues with the USB interface.

Waveform Analysis

Power On and USB Operation Waveforms

Waveforms illustrating power-on sequence and USB data transfer.

Tray and MD SLED Movement Waveforms

Visual representation of tray open/close and MD sled action signals.

Disc Reading Signal Waveforms

Waveforms for spindle, focus, and tracking signals during disc playback.

First Action Focus Signals

Waveforms showing initial focus acquisition signals (A, B, C, D).

RF Signal Waveform Analysis

Displays the RF signal for analog scope analysis, crucial for disc reading.

Wiring Diagram

Block Diagrams

Main and Front Circuit Block Diagram

An overview of the main unit's circuitry and front panel component connections.

DVD Mechanism Block Diagram

Diagram illustrating the DVD mechanism's interface and control signals.

PC Board Layouts

Exploded View: DVD Mechanism

Exploded View: Cassette Mechanism

Exploded View: Unit

Parts List

Electric Parts: Front, I/O, and Connectors

Components for front, volume, jack, and I/O interfaces.

Electric Parts: Main Unit

List of electrical components for the main unit's circuitry.

Electric Parts: Main and SMPS

Components for the main unit and the Switch Mode Power Supply.

Electric Parts: SMPS and DVD

Components for the SMPS and DVD sections.

Electric Parts: DVD Section

List of electrical components specifically for the DVD playback section.

Mechanism Parts: DVD Drive

Mechanical components for the DVD drive mechanism.

Mechanism Parts: Cassette Deck

Mechanical components for the cassette deck mechanism.

Specifications

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