Mitsubishi CV-0MW7G21-7 Service Manual
SERVICE MANUAL
MITSUBISHI ELECTRIC CORP. SANDA WORKS
Your company internal use only.
CV-0MW7G21-7
Copyright (C) Mitsubishi Electric Corporation.
SE027709123E Ver.ppt11E
MITSUBISHI MOTORS
POWER AMPLIFIER
◆ CONTENTS
● FEATURES and SPECIFICATIONS ......................................... 2
● CONNECTORS .............................................................................. 3
● SYSTEM CONFIGURATION ..................................................... 4
● BLOCK DIAGRAM ......................................................................... 5
● DISASSEMBLING PROCEDURES ............................................6
● PARTS LIST .................................................................................... 7
● ELECTRICAL PARTS LIST ........................................... 8 ～ 12
2009 Dec.
Model : CV-0MW7G21-7
MELCO Code : 34R036
PART No. : 8701A309
2
Your company internal use only.
Copyright (C) Mitsubishi Electric Corporation.
CV-0MW7G21-7
◆ FEATURES and SPECIFICATIONS
FEATURES
< Power amplifier Part >
● High power 650W output power amplifier.
Woofer mono 150W x 2ch (1Ω) ....... Double voice coil Woofer drive
Front-Lo stereo 75W x 2ch (2Ω) ....... Front-Door Speaker drive
Front-M/H stereo 50W x 2ch (4Ω) ....... Front-Door Mirror Speaker drive
Rear stereo 50W x 2ch (2Ω) ....... Rear-Door Speaker drive
● Differential signal input circuit. (input Front 2ch of H/U)
● DSP circuit.
Auto-Loudness, Bass/Treble/Middle, Volume/Fader/Balance
Surround
Fix-EQ
Test tone
Input/Output limiter
Beep sound
Guide voice control
< Others >
● Diagnostic facility. (DC offset detector, High temperature detector, Out of
supply voltage short, Out of GND short)
SPECIFICATIONS
● Distortion : 0.5% max at 0.5W
● S/N : 55dB min at 0.5W
● Channel Separation : 50dB min at 0.5W
● Residual Output : 0.5mVrms max at Vol. min.
● Offset Voltage : 100mV max
● Backup Current : 1mA max
● Dimensions (W x D x H) : 264mm x 220mm x 60mm
● Weight : 2.0kg
3
Your company internal use only.
Copyright (C) Mitsubishi Electric Corporation.
CV-0MW7G21-7
◆ CONNECTORS
Power supply ,Speaker and
H/U Communication18P
Connector
PinNo. Signal Name PinNo.
Signal Name
1 FL Lo (+) 10 FR Lo (-)
2 FR Lo (+) 11 BATTERY (+)
3 - 12 BATTERY (+)
4 BATTERY (+) 13 DATA
5 GND 14 DATA S-GND
6 - 15 GND
7 Woofer 1 (+) 16 GND
8 Woofer 2 (+) 17 Woofer 1 (-)
9 FL Lo (-) 18 Woofer 2 (-)
Power supply ,Speaker and H/U Communication18P Connector Speaker and Voice Input 14P Connector
Speaker and Voice Input
14P Connector
PinNo. Signal Name PinNo.
Signal Name
1 FL M/H (+) 8 FR M/H (-)
2 FR M/H ( +) 9 FL IN (-)
3 FL IN (+) 10 FR IN ( -)
4 P-ON 11 FR IN ( +)
5 RR (+) 12 FRON T-IN S -GND
6 RL (+) 13 RR (-)
7 FL M/H (-) 14 RL (-)
4
Your company internal use only.
Copyright (C) Mitsubishi Electric Corporation.
CV-0MW7G21-7
◆ SYSTEM CONFIGURATION
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