CD mecha unit
CDM-34
DECK mecha unit
NJU3713D (IC4)
EXPANDER IC
X28
MDM-06
MD mecha unit
HD6432227N01FA
Back up
circuit
A/D
X29, IC1
M30624MG-304FP(DECK)
-303FP(MD)
SIO
SIO
PWM
Main uCOM
PWM
A/D
A/D
AMP hadrware
circuit
AMP_ system_IC
(input selecter)
TUNER unit
(RDS unit)
CD TAPE MD TUNER AUX
X29, IC8
A/D
A/D
A/D
INT
INT
RESET
EEPROM
INT
INT
UART
A/D A/D
encoder
REM
stnby
eject
cd md/ tape
Key matrix
(8keys X
2 lines)
LCD module
(64
✽
64dot)
LCD driver
RESET & CE
circuit
(mech ucom)
RD-M52MD/M72MD
4
CIRCUIT DESCRIPTION
3. Microprocessor :M30624MG-303FP(MD version)
:M30624MG-304FP(DECK version)
3-1 Microprocessor periphery block diagram
DESTI-
DESTINATION SW
RECEIVING
CHANNEL
UNIT
3
2
1
BAND
FREQUNY
IF
RF
EMPHASIS
NATION
(40Pin) (39Pin) (38Pin)
RANGE
SPACE
K,P
KI
0
0
0
FM
87.5MHz~108.0MHz
100kHz
+10.7MHz
25kHz
1
AM
530kHz~ 1700kHz
10kHz
+450kHz
10kHz
0
M
E1
0
0
1
FM
87.5MHz~108.0MHz
50kHz
+10.7MHz
25kHz
0
AM
531kHz~ 1602kHz
9kHz
+450kHz
9kHz
0
E,T
E3
1
1
0
FM
87.5MHz~108.0MHz
50kHz
+10.7MHz
25kHz
0
(RDS)
AM
531kHz~ 1602kHz
9kHz
+450kHz
9kHz
0
1.Initializing the CD/MD Receiver
1-1Initialization Method
The CD/MD receiver will be initialized when you pressed [SOUND] key and turn the AC on.
1-2 Contents of Initialization
1
MD disc wil not be ejected from MD mechanism.
2
CD disc will be ejected from CD mechanism.
2.Conditions according to the Destination
( ) Port of Microprocessor