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DVD Micro System MCM770
TABLE OF CONTENTS
Location of PC Boards .................................................... 1-1 Decoder Board .................................................................... 8
Specification ................................................................. 1-2 Circuit diagram ................................................. 8-1 to 8-4
Measurement Setup ....................................................... 1-3 Layout diagram ..................................................8-5 to 8-6
Service Aids ................................................................... 1-4 Explode View ...................................................................9-1
Instruction On CD Playability .................................1-5 to 1-6 Service Partlist .....................................................10-1 to 10-2
Software Version Check & Upgrade .............................. 2-1 Factory Partlist .....................................................11-1 to 11-4
Malfuction Check Chart .................................................. 2-2
Disassembly Diagram ...................................................3-1
Block Diagram ................................................................. 4-1
Wiring Diagram................................................................. 4-2
VFD Display Board ............................................................. 5
Circuit diagram ........................................................... 5-1
Layout diagram ........................................................... 5-2
USB & M-boy Board ........................................................ 6-1
TUNER Board .....................................................................7
Circuit diagram ........................................................... 7-1
Layout diagram ........................................................... 7-2
2008
DB 0829 3141 785 33040
1-1
Location of PC Boards
TUNER BOARD
USB BOARD
VFD DISPLAY
BOARD
DECODER BOARD
VERSION VARIATIONS :
Type /Versions: MCM770
Service policy /05 /12 /37 /55 /58 /61 /79 /93 /94 /96 /98
Board in used:
DISPLAY BOARD C
USB BOARD M
M-boy BOARD M
TUNER BOARD M
DECODER BOARD M
Type /Versions: MCM770
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 ........................ ..2 x 25W RMS Speaker Impedance .................................................. 4ohm
Signal-to-noise ratio ........................... 65 dBA Speaker Driver, base ....................................................3.5"
Frequency response .......... 50Hz - 3 dB+/-3 20KHz Speaker Driver, tweeter .......................................4ohm/5W
Aux Input ......................................0.5V RMS 47kohm Frequency Response ....................50Hz -3dB+/-3 20KHz
DISC GENERAL INFORMATION
Laser Type .......................................... Semiconductor Total Output power .............................................50W RMS
Disc Diameter ............................................ 12cm/8cm AC Power ............................................... 220-230 V / 50Hz
Support Disc .............................................................. Operation Power Consumption .................................. 25W
CD-DA,CD-RW,CD-R,MP3 Standby Power Consumption ..................................... <4W
Audio DAC ....................................... 24Bits / 44.1kHz Eco Standby Power Consumption ..............................<1W
Total Harmonic Distortion ..................... <0.1%(1kHz) Headphone Output .......................................................NA
Frequency Response ............ 50Hz - 3dB+/-3 20KHz USB Direct ....................................................... Version 1.1
S/N Ration .................................................... 65dBA Dimensions