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Philips MCM906 Service Manual

Philips MCM906
41 pages
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DVD Micro System MCM906
TABLE OF CONTENTS
3141 785 33070
DB 0831
2008
Location of PC Boards .................................................... 1-1
Specification
................................................................. 1-2
Measurement Setup ....................................................... 1-3
Service Aids ................................................................... 1-4
Instruction On CD Playability ..................................1-5 ...1-6
Software Version Check & Upgrade .............................. 2-1
Malfuction Check Chart .................................................. 2-2
Decoder Board ...................................................................11
Disassembly Diagram ...................................................3-1
Block Diagram ................................................................. 4-1
Wiring Diagram................................................................. 4-2
VFD Display Board .............................................................5
Circuit diagram ........................................................... 5-1
Layout diagram ........................................................... 5-2
Prepositive Board ................................................................6
Circuit diagram ........................................................... 6-1
Layout diagram ........................................................... 6-2
AMP Board ..........................................................................7
Headphone,Button&AUX Board Diagram ...........................8
Circuit diagram ........................................................... 7-1
Layout diagram ........................................................... 7-2
TUNER Board ...................................................................10
Circuit diagram ......................................................... 10-1
Layout diagram ......................................................... 10-2
Circuit diagram ..............................................11-1 to 11-4
Layout diagram ..............................................11-5 to 11-6
LAMP Board ....................................................................... 9
Explode View ................................................................12-1
Service Partlist ....................................................13-1 to 13-2
Factory Partlist ..................................................13-3 to 13-11

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Philips MCM906 Specifications

Sound IconSound
output_power2x75W RMS, 2x150W Music Power
sound_enhancementVacuum Tube Preamplifier, Treble and Bass Control, Loudness
Loudspeakers IconLoudspeakers
main_speaker2 way, Speaker grilles detachable, 5.25" woofer, Cone Dome Tweeter, Gold-plate speaker connectors
Audio Playback IconAudio Playback
playback_mediaWMA-CD, MP3-CD, CD-RW, CD-R, CD
disc_playback_modes20-Track Programmable, Repeat/one/all/program, Shuffle Play
usb_direct_modesFast Backward/Fast Forward, Play/Pause, Previous/Next, Program Play, Repeat, Shuffle, Stop
Tuner/Reception/Transmission IconTuner/Reception/Transmission
station_presets20
tuner_bandsFM Stereo
rdsRadio Text, RDS Clock Set, Station Name
Connectivity IconConnectivity
other_connectionsFM Antenna
aux_in2x(L/R)/ RCA
headphone6.3 mm
Power IconPower
power_supply220-240V, 50Hz
eco_power_standby1 watt
Dimensions and Weight IconDimensions and Weight
set_dimensions280 x 130 x 290 mm
main_speaker_dimensions185 x 305 x 225 mm
weight_incl_packaging17 kg

Summary

Location of PC Boards

Version Variations

Details different board versions and their usage for various model revisions.

Product Specifications

Amplifier Specifications

Technical specifications for the audio amplification section.

Speaker Specifications

Technical specifications for speaker impedance, driver size, and frequency response.

Disc Playback Specifications

Specifications for CD playback, including laser type, disc diameter, and DAC.

Tuner Specifications

Specifications for FM tuning range, grid, sensitivity, selectivity, and S/N ratio.

General Information

Overall product specifications like power, consumption, dimensions, and weight.

Measurement Setup Procedures

FM Tuner Measurement Setup

Setup for measuring FM tuner performance using signal generators and meters.

AM Tuner Measurement Setup

Setup for measuring AM tuner performance, noting Faraday cage use.

CD Playback Measurement Setup

Setup for measuring CD playback performance using test discs and meters.

Recorder Measurement Setup

Setup for measuring recorder performance with test cassettes and meters.

Service Aids and Safety Precautions

Electrostatic Discharge (ESD) Warning

Warns about electrostatic discharge (ESD) susceptibility of components and handling precautions.

Lead-Free Soldering Information

Instructions on identifying and handling lead-free soldered sets post-Jan 2005.

Post-Repair Service Instructions

Guidelines for ensuring the set is returned to its original condition after repair.

CD Playability Troubleshooting

Playability Check Procedures

Details specific test tracks and playback times for CD-RW and CD-DA discs.

Liquid Lens Cleaning Guide

Provides instructions and advice for safely cleaning the CD player lens.

Customer Information for Checks

Suggests adding an addendum sheet to inform customers about checks performed.

Software Management

Software Upgrade Process

Steps for downloading and installing software updates via CD or USB.

Software Version Verification

Instructions on how to check the current software version using the remote control.

Malfunction Troubleshooting Flowcharts

Unit Audio Output Issues

Troubleshooting flow for no audio output from the unit.

Tuner Audio Output Issues

Troubleshooting flow for no audio output from the tuner.

DVD Audio Output Issues

Troubleshooting flow for no audio output from the DVD player.

DVD Display and Search Problems

Troubleshooting flow for issues with DVD search or display.

DVD Video Output Issues

Troubleshooting flow for no video output from the DVD player.

USB Read Errors

Troubleshooting flow for issues with USB device detection or reading.

Disassembly Procedures

Top Cabinet Disassembly

Steps to loosen screws and open the top cabinet.

Side Panel Removal

Steps to loosen screws and remove side panels.

DVD Mechanism Bracket Removal

Steps to loosen screws and remove the DVD mechanism bracket.

Board Component Removal

Steps for removing AMP, Decoder, Prepositive, Display, USB, and LAMP boards.

System Block Diagram

Decoder and CD Mechanism Integration

Shows the decoder board and CD decode block connections.

VFD and Control Interfaces

Details the VFD display and key control interface.

Amplifier and Prepositive Board Connections

Shows the AMP board and Prepositive board connections.

Wiring Diagram

Circuit Diagrams

VFD Display Board Circuit

Detailed schematic of the VFD display board components and connections.

Prepositive Board Circuit

Detailed schematic of the Prepositive board components and connections.

AMP Board Circuit

Detailed schematic of the AMP board components and connections.

Tuner Board Circuit

Detailed schematic of the Tuner board components and connections.

Decoder Board Circuit Sections

Detailed schematics for various sections of the Decoder board.

Component Layout Diagrams

VFD Display Board Layout

Shows the physical placement of components on the VFD display board.

Prepositive Board Layout

Shows the physical placement of components on the Prepositive board.

AMP Board Layout

Shows the physical placement of components on the AMP board.

Headphone, Button, and AUX Boards Layout

Layouts for headphone, button, and AUX boards.

Lamp Board Layouts

Layouts for the main, left, and right valve lamp boards.

Tuner Board Layout

Shows the physical placement of components on the Tuner board.

Decoder Board Layouts

Top and bottom component placement views for the Decoder board.

Parts Lists

Accessories Parts List

Lists included accessories like speakers, cables, and remote control.

Mechanical and Miscellaneous Parts

Lists mechanical components, cabinet parts, and general items.

Electrical Parts - Prepositive Board

Lists electrical components for the Prepositive board.

Electrical Parts - Display Board

Lists electrical components for the Display board.

Electrical Parts - AMP Board

Lists electrical components for the AMP board.

Comprehensive Factory Part List

Extensive listing of factory-specified parts with part numbers and descriptions.

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