Block Diagrams - Denon dvd-900 Service Manual

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
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
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
CN401
FG
10 FG-IN
SENSOR w w w
RELAY
FG CBA
CBA
.
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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
TO VIDEO
BLOCK DIAGRAM
IC102 (OP AMP)
FG-IN 80 14 12
DVD MAIN CBA UNIT
x a o u 1 6 3
y
i
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8 9
CN501 CN1001
VFD-STB 3 21 FP-STB 21 2
VFD-DIN 1 22 FP-DIN 22 28
Q Q
3 7 6 3 1 5
VFD-DOUT 2 23 FP-DOUT 23 27
VFD-CLK 204 24 FP-CLK 24 1
PWECON 207 20 PWRCON 20
REMOTE 125 26 REMOTE 26
RM2001
REMOTE
SENSOR
CN501 CN1001
OC-KEY 105 25 OC-KEY 25
ASPECT 193
ASPECT
SW2115
POWER
D2021
STANDBY
c o
SWITCH CBA
.
- 20 -
2 4 9 8
AV CBA
IC2001
(FRONT PANEL CONTROL)
FL2001
1G 23
GRID
7G 17
a/KEY-1 7
b/KEY-2 8
c/KEY-3 9
d/KEY-4 10
SEGMENT
e/KEY-5 11
f/KEY-6 12
FP-STB g/KEY-7 13
FP-DIN h/KEY-8 14
1 5 0 8 9 2 4 9
FP-DOUT i 16
FP-CLK
CN2002
10 KEY-1
11 KEY-2
9 KEY-3
7 KEY-4
1 KEY-5
2 KEY-6
4 KEY-7
6 KEY-8
K2 4 5 K1
K1 3 8 K2
12 OC-KEY
JP1004 JP1003
1 K2 1
2 KEY-2 2
3 STANDBY-LED 3 +3.3V
Q2021
m
2 9 9
FIP
8 2 9 9
CN2201
10
11
9
7
KEY
1
MATRIX
2
4
6
5
8
12
SW2208
OPEN/CLOSE
FUNCTION CBA