Mitsubishi Electric DD-4030 Service Manual page 15

System Control Block Diagram
IC301
(FRONT END PROCESSOR)
TFWD
42 TFWD
TREV
41 TREV
TIN
59 TIN
TOUT
60 TOUT
SCK
70 SCK
STDIO
FROM/TO
72 STDIO
SEN
RF SIGNAL
10 SEN
PROCESS
MUTE
46 MUTE
/SERVO
PS
47 PS
BLOCK
DIAGRAM
CD/DVD
71 CD/DVD
CFE
62 CFE
CAS
63 CAS
STANDBY
64 STANDBY
13
16
26
CPUADR0
ADDRESS BUS
33
CPUADR17
35
40
FROM/TO
84 CPUDT0
DVD SIGNAL
DATA BUS
PROCESS 91
CPUDT7
NINT1
BLOCK
76 NINT1
NINT2
DIAGRAM
77 NINT2
WAIT
1 WAIT
/RE
2 /RE
/WEL
3 /WEL
CS1
6 CS1
RESET
11 RESET
CN401
FG
10 FG-IN
SENSOR
RELAY
FG CBA
CBA
BLOCK DIAGRAMS
IC601
(DVD HOST PROCESSOR)
200
201
187
188
+3.3V
IC605
5 RESET 4 124
HANG 48
Q701
READY 49 208
/FERS 82 186
IC606
(INVERTER)
OSCI 23
OSCO 24 2 4 120
X301
(16.9344MHz)
X601 27MHz
BUSCLR 53 22
SDA 52
SDA 51 20
SCL 50 21
SCL 79
+3.3V
KEY OUT 44 127
KEY IN 45
IC102 (OP AMP)
FG-IN
80 14 12
DVD MAIN CBA UNIT
1-7-1
TFWD
TREV
TIN
TOUT
RESET
READY
/FERS CN501 CN1001
VFD-STB 3 21 FP-STB 21
VFD-DIN 1 22 FP-DIN 22
VFD-DOUT 2 23 FP-DOUT 23
CLOCK
FP-CLK 24
VFD-CLK 204 24
REMOTE 125 26 REMOTE 26
BUSCLR
RM2001
SDA
SCL
IRQ2
CN501 CN1001
25 OC-KEY 25
OC-KEY 105
AV CBA
IC2003
(FRONT PANEL CONTROL)
1G 42
GRID
11G 32
a/KEY-1 14
b/KEY-2 15
9 FP-STB
c/KEY-3 16
7 FP-DIN
d/KEY-4 17
6 FP-DOUT
e 18
8 FP-CLK
f 19
g 20
h 21
i 22
j 23
REMOTE CN2001
SENSOR
1
2
3
4
K2 11 5
K1 6
10
8
SW2115
POWER
JP1004 JP1003
1 K2 1
2 KEY-2 2
SWITCH CBA
1-7-2
FL2001
FIP
SEGMENT
CN2041
KEY-4 1
KEY-3 2
KEY-2 3 KEY
MATRIX
KEY-1 4
K2 5
K1 6
OC-KEY 8
SW2044
OPEN
/CLOSE
FUNCTION CBA
E5640BLS