Marantz MM8003 Service Manual

Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Service
Manual
8 Channel Power Amplifier
MM8003 /
F B/K1B/N1B/U1B
TABLE OF CONTENTS
SECTION PAGE
1. TECHNICAL SPECIFICATIONS ........................................................................................... 1
2. POWER AMPLIFIER ADJUSTMENT.................................................................................... 2
3. SERVICE MODE ................................................................................................................... 3
4. FACTORY MODE .................................................................................................................. 4
5. SYSTEM ERROR ................................................................................................................. 6
6. UPDATE FIRMWARE .......................................................................................................... 10
Update CPU's software to internal Flash-ROM ............................................................. 10
7. WIRING DIAGRAM ............................................................................................................. 17
8. BLOCK DIAGRAM .............................................................................................................. 19
9. SCHEMATIC DIAGRAM ...................................................................................................... 21
10. PARTS LOCATION .............................................................................................................. 37
11. EXPLODED VIEW AND PARTS LIST ................................................................................. 55
12. MICROPROCESSOR AND IC DATA .................................................................................. 59
13. ELECTRICAL PARTS LIST ................................................................................................. 65
14. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE .............................102
MM8003
Part no. 90M47CW855010
First Issue 2008.07
MZ
8CH POWER AMPLIFIER MM8003
POWER ON/OFF
STANDBY
MM8003

Marantz MM8003 Specifications

General

Damping factor	100
Amplifier class	-
Frequency range	8 - 100000 Hz
Input sensitivity	2400 mV
Audio output channels	7.1 channels
Peak power per channel	170 W
Signal-to-Noise Ratio (SNR)	105 dB
Total Harmonic Distortion (THD)	0.03 %
RMS power output per channel (8 Ohm)	140 W
AC (power) in	Yes
Speakon ports quantity	8
Purpose	Home
Product color	Black
Cables included	AC
Connectivity technology	Wired
Power consumption (standby)	0.4 W
Power consumption (typical)	880 W

Weight and Dimensions

Depth	384 mm
Width	440 mm
Height	184.5 mm
Weight	17900 g