Symphonic WF803 - Page 36

DVD System Control/Servo Block Diagram
H9400BLSD
1-10-13
1-10-14
59
27
7
8
3
15
10
14
26
1
2
3
4
6
23
5
17
18
12
11
14
13
15
16
25
24
FP-STB
55
FP-DIN 54
61
REMOTE-DVD
53
FP-CLK
CN401
CN1001
2
28
1
REMOTE
SENSOR
RM2001
1G
7G
~
~
a
STB
REMOTE-VIDEO
DISPLAY-CLK
DISPLAY-DATA
DISPLAY-ENA
DIN
CLK
GRID
FIP
SEGMENT
FIP502
IC571
DVD MAIN CBA UNIT
MAIN CBA
DRIVE CBA
(FRONT PANEL CONTROL)
IC301
(SERVO DRIVE)
IC451
(CLOCK GENERATOR)
BLOCK DIAGRAMS<DVD SECTION>
16
h
i
IC202
(OP AMP)
12 14
CN3002 CN301
FG CBA
FG
SENSOR
M
SLED
MOTOR
M
SPINDLE
MOTOR
IC101
(MICRO CONTROLLER)
+
-+
-
+
-
+
-
+
-
+
-
+
-
SLED
MOTOR
DRIVE
FOCUS
ACTUATOR
DRIVE
1/4
1/4
PLL2
X451
MULTI
PLL
X'TAL
OSC
36.864MHz
OSC
SPINDLE
MOTOR
DRIVE
TRACKING
ACTUATOR
DRIVE
EXT CLOCK
CLK33M
BE CLOCK
172
170
150
TRAY-OUT
TRAY-IN
FG-IN
97
SLD70
SPDL71
TRACKING
DRIVE
152 FOCUS DRIVE
60
66
TO
DVD VIDEO/ AUDIO
BLOCK DIAGRAM
51
ADAC-MD
50 ADAC-MC
96 ADAC-ML
ADAC-MC
ADAC-ML
PCM-SCLK
95
DVD-A-MUTE
ADAC-MD
DVD-A-MUTE
17
92
FSEL
POFLT
AD2
IC202
(OP AMP)
RESET68
RESET
IC461
5 4
+3.3V
TRAY-OUT
TRAY-IN
FOCUS SERVO SIGNAL TRACKING SERVO SIGNAL
SLED SERVO SIGNAL SPINDLE SERVO SIGNAL
3SP(+)
4SP(-)
5TRAY-OUT
6TRAY-IN
7GND
8SL(-)
9SL(+)
1FG-IN
FROM/TO SERVO
/SYSTEM CONTROL
BLOCK DIAGRAM
<VCR SECTION>
DVD-POWER
OUTPUT-SELECT
FROM SERVO
/SYSTEM CONTROL
BLOCK DIAGRAM
<VCR SECTION>
CN302
CN2001
CL2002CL2003
CL2007 CL2006
PLAY
STOP
POWER
OPEN
/CLOSE
Q2001
Q2002
Q2003
AL+5V
D2001
DISC IN
D2002
PLAY
SW2001
DVD
OPEN
/CLOSE
DVD
OPEN/CLOSE CBA
SW2005
STOP
SW2006
SKIP DOWN
DVD SW CBA
SW2002
STOP
SW2003
PLAY
SW2002
PLAY
SW2003
SKIP-UP
48
47
62
94
FS(+) 18
FS(-) 19
TS(+) 20
TS(-) 17
CN201
FSTS
PICK-UP
UNIT
FP-STB 1616
FP-DIN 1818
FP-CLK 2121
REMOTE-DVD 2222
PLAY 11
SKIP-DOWN 22
STOP 11
OPEN/CLOSE 22
STOP 22
POWER 33
OPEN/CLOSE 44
OUT-SEL/SKIP-UP 2020
23
17
~
7
14
~
1
114
146
3
DVC860D
DVC860D
DVC860D
EWD2203
EWD2203
OUT-SEL/SKIP-UP