Emerson EWD7002 Service Manual

System Control Block Diagram
E5662BLS
1-7-1
1-7-2
59
60
49
82
IC301
(FRONT END PROCESSOR)
IC601
(DVD HOST PROCESSOR)
OSCI
OSCO
23
24
(16.9344MHz)
X301
CLOCK
X601 27MHz
120
READY
48
HANG
/FERS
TREV
TFWD
TIN
TOUT
READY
/FERS
TIN
TOUT
10
SEN
46 MUTE
47 PS
64
FROM/TO
DVD SIGNAL
PROCESS
BLOCK
DIAGRAM
FROM/TO
RF SIGNAL
PROCESS
/SERVO
BLOCK
DIAGRAM
CPUDT0
NINT1
NINT2
WAIT
/RE
/WEL
CS1
RESET
NINT1
NINT2
WAIT
/RE
/WEL
CS1
RESET
CPUDT7
13
16
26
33
35
40
~
84
91
~ ~~
~
CPUADR0
CPUADR17
~
34RESET RESET
IC308
3VFD-STB
1VFD-DIN
2
VFD-DOUT
125
REMOTE
204
VFD-CLK
CN501 CN1001
2
28
27
1
12
7
8
9
10
11
REMOTE
SENSOR
RM2001
1G
7G
~
23
17
~
a/KEY-1
b/KEY-2
c/KEY-3
d/KEY-4
e
K1
K2
FP-STB
FP-DIN
FP-DOUT
FP-CLK
GRID FIP
SEGMENT
FL2001
IC2001
DVD MAIN CBA UNIT
AV CBA
FG CBA
RELAY
CBA
(FRONT PANEL CONTROL)
BLOCK DIAGRAMS
TREV
TIN
TOUT
TFWD
MUTE
PS
CD/DVD
CFE
CAS
STANDBY
ADDRESS BUS
DATA BUS
CD/DVD
CFE
CAS
STANDBY
71
62
63
70
SCK
72
STDIO
SEN
SCK
STDIO
13
14
16
3
4
FG
SENSOR
CN401
FP-STB 21
21
FP-DIN 22
22
FP-DOUT 23
23
FP-CLK 24
24
REMOTE 26
26
1480
2 4
IC102 (OP AMP)
IC606
(INVERTER)
200
RESET
124
201
187
188
208
186
FG-IN10
41
42
52
51
50
20
21
SDA
SDA
SCL
79SCL
KEY OUT
KEY IN
+3.3V
IRQ2
FG-IN
SDA
SCL
53 22BUSCLR BUSCLR
f
g
h
i
KEY
MATRIX
TFWD
TREV
76
77
1
2
3
6
11
RESET
IC605
5 4
Q701
+3.3V
127
44
45
12

Emerson EWD7002 Specifications

General

Brand	Emerson
Model	EWD7002
Category	DVD Player
Language	English