Block Diagrams - Hitachi DV-P325U Service Manual

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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
91
PROCESS
CPUDT7
NINT1
BLOCK
76
NINT1
NINT2
DIAGRAM
77
NINT2
WAIT
1
WAIT
/RE
2
/RE
/WEL
3
/WEL
CS1
CS1
6
RESET
11
RESET
CN401
FG
10
FG-IN
SENSOR
RELAY
FG CBA
CBA

BLOCK DIAGRAMS

IC601
(DVD HOST PROCESSOR)
200
TFWD
201
TREV
187
TIN
188
TOUT
+3.3V
IC605
5
RESET
4
124
RESET
HANG
48
Q701
READY
49
208
READY
/FERS
82
186
/FERS
IC606
(INVERTER)
OSCI
23
OSCO
24
2
4
120
CLOCK
X301
(16.9344MHz)
X601
27MHz
BUSCLR
53
22
BUSCLR
SDA
52
SDA
51
20
SDA
SCL
50
21
SCL
SCL
79
+3.3V
KEY OUT
44
127
IRQ2
KEY IN
45
IC102 (OP AMP)
FG-IN
80
14
12
DVD MAIN CBA UNIT
CN501
CN1001
VFD-STB
3
21
FP-STB
21
22
FP-DIN
22
VFD-DIN
1
VFD-DOUT
2
23
FP-DOUT
23
VFD-CLK
204
24
FP-CLK
24
REMOTE
26
REMOTE
125
26
PWRCON
207
20
PWRCON
20
REMOTE
SENSOR
RM2001
SW2115
POWER
JP1004
D2021
STANDBY
SWITCH CBA
AV CBA
IC2001
(FRONT PANEL CONTROL)
1G
23
2
FP-STB
GRID
28
FP-DIN
7G
17
27
FP-DOUT
1
FP-CLK
a/KEY-1
7
b/KEY-2
8
c/KEY-3
9
d/KEY-4
10
e/KEY-5
11
f/KEY-6
12
g/KEY-7
13
h/KEY-8
14
i
16
CN2002
7
KEY-4
9
KEY-3
KEY-2
11
10
KEY-1
4
KEY-7
KEY-8
6
K2
K2
4
8
K1
3
5
K1
1
KEY-5
KEY-6
2
JP1003
1
K2
1
2
KEY-2
2
+3.3V
3
STANDBY-LED 3
Q2021
FL2001
FIP
SEGMENT
CN2201
7
KEY
9
MATRIX
11
10
4
6
8
5
1
2
SW2201
(SHUTTLE)
FUNCTION CBA
1-10-1

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