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DVD Micro System MCM906




TABLE OF CONTENTS

Location of PC Boards .................................................... 1-1 Headphone,Button&AUX Board Diagram ...........................8
Specification ................................................................. 1-2 LAMP Board ....................................................................... 9
Measurement Setup ....................................................... 1-3 TUNER Board ...................................................................10
Service Aids ................................................................... 1-4 Circuit diagram ......................................................... 10-1
Instruction On CD Playability ..................................1-5 ...1-6 Layout diagram ......................................................... 10-2
Software Version Check & Upgrade .............................. 2-1
Decoder Board ...................................................................11
Malfuction Check Chart .................................................. 2-2 Circuit diagram ..............................................11-1 to 11-4
Disassembly Diagram ...................................................3-1 Layout diagram ..............................................11-5 to 11-6
Block Diagram ................................................................. 4-1
Explode View ................................................................12-1
Wiring Diagram................................................................. 4-2
Service Partlist ....................................................13-1 to 13-2
VFD Display Board .............................................................5
Factory Partlist ..................................................13-3 to 13-11
Circuit diagram ........................................................... 5-1
Layout diagram ........................................................... 5-2
Prepositive Board ................................................................6
Circuit diagram ........................................................... 6-1
Layout diagram ........................................................... 6-2
AMP Board ..........................................................................7
Circuit diagram ........................................................... 7-1
Layout diagram ........................................................... 7-2




2008




DB 0831 3141 785 33070
1-1


Location of PC Boards

VOLTAGE SELECTOR BOARD
(98version)


ECO POWER BOARD
(12/05version)
SCART BOARD
(12/05version) AUX BOARD




BUTTON BOARD
TUNER BOARD
AMP BOARD



LAMP BOARD




DISPLAY BOARD PREPOSITIVE BOARD DECODER BOARD
HEADPHONE BOARD

VERSION VARIATIONS :
Type /Versions: MCM906

Service policy /05 /12 /37 /55 /58 /61 /79 /93 /94 /96 /98
Board in used:
BUTTON BOARD M
DISPLAY BOARD C
AXU BOARD M
M-boy BOARD M
DECODER BOARD M
AMP BOARD C
HEADPHONE BOARD M
LAMP BOARD M
PREPOSITIVE BOARD C
ECO-POWER BOARD M

Type /Versions: MCM906
Features Feature diffrence /05 /12 /37 /55 /58 /61 /79 /93 /94 /96 /98
RDS
VOLTAGE SELECTOR
ECO STANDBY - DARK
TDS
* TIPS : C -- Component Lever Repair.
M -- Module Lever Repair
-- Used
1-2

Specification

AMPLIFIER SPEAKERS
Rated Output Power ............................75W x 2 RMS Speaker Impedance ................................................ 4ohm
Signal-to-noise ratio ................................. 65 dBA Speaker Driver, base ................................................5 1/4"
Frequency response ......... 40Hz + 3dB+/-3 20KHz Speaker Driver, tweeter ............................................ 2 5
Aux Input ......................................0.5V RMS 47kohm Frequency Response ...................40Hz + 3dB+/-3 20KHz


DISC GENERAL INFORMATION
Laser Type .......................................... Semiconductor Total Output power ..................................... 1 5 0 W RMS
Disc Diameter ............................................ 12cm/8cm AC Power .............................................. 220-230 V / 50Hz
Support Disc ......................................................MP3, Operation Power Consumption ................................. 85W
CD-DA,CD-R,CD-RW Standby Power Consumption ..................................... <4W
Audio DAC ....................................... 24Bits / 44.1kHz Eco Standby Power Consumption ..............................<1W
Total Harmonic Distortion ..................... <0.5%(1kHz) Headphone Output ................................ 2X15mW 32ohm
Frequency Response ..........20Hz + 0.5dB+/-2 20KHz USB Direct ...................................................... Version 1.1
S/N Ration .................................................... 65dBA Dimensions