Emerson EWD2004OM Supplement Service Manual

1-9-7
BLOCK DIAGRAMS <DVD SECTION>
H9600BLSD
DVD System Control / Servo Block Diagram
2
28
1
12
7 8 9
10 11
REMOTE
SENSOR
RM2001
1G
7G
~
23 17
~
a b
c
d
e
FP-STB
REMOTE-VIDEO
DISPLAY-CLK
DISPLAY-DATA
DISPLAY-ENA
FP-DIN FP-CLK
GRID FIP SEGMENT
FIP502
IC571
MAIN CBA
(FIP DRIVER)
13 14 16
20
20
21
21
19
19 18
REMOTE 22
22
f
g h
i
FOCUS SERVO SIGNAL
TRACKING SERVO SIGNAL
SLED SERVO SIGNAL SPINDLE SERVO SIGNAL
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM <VCR SECTION>
DVD-POWER
CN401 CN1001
DVD-PLAY 25
25
DVD-STOP 26
26
DVD-POWER 23
23
DVD-OPEN/CLOSE
DVD-PLAY
DVD-STOP
DVD-POWER
DVD-OPEN/CLOSE
24
24
Q2002
Q2013
AL+5V
EV+3.3V
EV+3.3V
EV+3.3V
D2001
DISC IN
D2002
PLAY
SW2001
CN2002CN2003
DVD OPEN/CLOSE
1 EV+3.3V
1
2
DVD-OPEN/CLOSE
2
DVD OPEN/CLOSE CBA
SW2002 STOP SW2005 SKIP-UP SW2006 SKIP-DOWN SW2003 PLAY
53 54 65 68
82 60 61 67
REMOTE
59
DVD MAIN CBA UNITDRIVE CBA
IC301 (SERVO DRIVE)
CN301
M
SLED MOTOR
M
SPINDLE MOTOR
IC101
(MICRO CONTROLLER)
+
-
+
-
+
-
+
-
+
-
+
-
+
-
SLED MOTOR DRIVE
FOCUS ACTUATOR DRIVE
SPINDLE MOTOR DRIVE
TRACKING ACTUATOR DRIVE
147
TRAY-IN SLD
75
SPDL76 TRACKING DRIVE
148
FOCUS DRIVE
66
TO DIGITAL SIGNAL PROCESS BLOCK DIAGRAM
FS(+) FS(-)
TS(+) TS(-)
TO DVD VIDEO/ AUDIO BLOCK DIAGRAM
57
ADAC-MD
56 ADAC-MC 86 ADAC-ML
ADAC-MC ADAC-ML
PCM-SCLK
88
A-MUTE
ADAC-MD A-MUTE
163
PCM-SCLK
TRAY-IN
3SP(+) 4SP(-) 5TRAY-IN 6GND 7SL(-) 8SL(+)
VREF
RESET73
RESET
IC462
1 3
+3.3V
IC202 (OP AMP)
15 16 14 13 12 11 17 18
23
6 4 5 3 1 2
25 24 27 26
81
SL-AMP
143
SP-ROT
+3.3V
1
2
6
7
5 3
9
8
10
13
14
12
146
FD-OFST
139
TD-OFST
DVC860E
DVC840E, DVC845E, EWD2204
DVC840E, DVC845E, EWD2204
18
MODEL
DVC860E
DVC840E, DVC845E, EWD2204
MARK
FP-CLK
PIN NAME MAY DIFFER BY MODELS.
FP-DIN FP-STB NU
PLAY SKIP-DOWN DISCIN-L SKIP-UP
RESET
IC461
2 1

Emerson EWD2004OM Specifications

General

Brand	Emerson
Model	EWD2004OM
Category	DVD Player
Language	English