Block Diagrams - Denon DVM-1805 Service Manual

DVD System Control Block Diagram
Q Q
3 7 6 3 1 5 1 5 0
IC301
(FRONT END PROCESSOR)
TFWD
42 TFWD
TREV
41 TREV
TIN
59 TIN
TOUT
60 TOUT
SCK
70 SCK
STDIO
FROM/TO
72 STDIO
RF SIGNAL SEN
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
T E
L 1 3 9 4 2 2 9 6 5 1 3
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
w w w
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BLOCK DIAGRAMS

IC601
(DVD HOST PROCESSOR)
200 TFWD
201 TREV
187 TIN
188 TOUT
IC605
+3.3V
5 RESET 4 124 RESET
HANG 48
Q701
READY 49 208 READY
/FERS 82 186 /FERS
IC606
(INVERTER)
2 4 120 CLOCK
X601 27MHz
OSCI 23
OSCO 24
X301
(16.9344MHz)
BUSCLR 53 22 BUSCLR
SDA 52
SDA 51 20 SDA
SCL 50 21 SCL
+3.3V
SCL 79
KEY OUT 44 127 IRQ2
KEY IN 45
IC607
(INVERTER)
2 4
DVD MAIN CBA UNIT
x a o u 1 6 3
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8 9
CN501 CN1001
VFD-STB 3 21 FP-STB 21
VFD-DIN 1 22 FP-DIN 22
VFD-DOUT 2 23 FP-DOUT 23
VFD-CLK 204 24 FP-CLK 24
REMOTE
125 26 REMOTE 26
Q Q
PWRCON 207 20 PWRCON 20
3 7 6 3 1 5
RM2001
REMOTE
SENSOR
SW2113
POWER
/FERS CN2104
TO VIDEO
BLOCK
DIAGRAM
CLK27MHz
D2103
STANDBY
POWER SWITCH
CBA
c o
.
- 22 -
2 4 9 8 2
IC2001
(FRONT PANEL CONTROL)
1G 23
GRID
7G 17
a/KEY-1 7
b/KEY-2 8
2 STB
c/KEY-3 9
28 DIN
d/KEY-4 10
27 DOUT
e/KEY-5 11
1 CLK
f/KEY-6 12
g/KEY-7 13
1 5 0 8 9 2 4 9 8
h 14
i 16
CN2101
1 KEY-7
2 KEY-6
3 KEY-5
4 KEY-4
5 KEY-3
6 KEY-2
7 KEY-1
K2 4 8 K2
K1 3 9 K1
+3.3V
Q2021
CN2103
1 KEY-6 1
2 K1 2
3 STANDBY-LED 3
4 GND 4
m
CHANGER CBA
9 9
FL2001
FIP
SEGMENT
2 9 9
CN2102
1
2
3
4
KEY
5
MATRIX
6
7
8
9
FUNCTION
CBA