Symphonic WF803 Service Manual page 36

DVD System Control/Servo Block Diagram
FOCUS SERVO SIGNAL
IC451
(CLOCK GENERATOR)
3
15
10
PCM-SCLK
DVD-A-MUTE
TO
ADAC-MD
DVD VIDEO/ AUDIO
ADAC-MC
BLOCK DIAGRAM
ADAC-ML
TS FS
CN201
FS(+) 18
PICK-UP
FS(-) 19
UNIT
TS(+) 20
TS(-) 17
TRAY-OUT
TRAY-IN
SPINDLE
MOTOR
CN3002 CN301
M
SP(+) 3
SP(-) 4
TRAY-OUT 5
SLED
TRAY-IN 6
MOTOR
GND 7
M
SL(-) 8
SL(+) 9
FG-IN 1
FG CBA
FG
SENSOR
DRIVE CBA
BLOCK DIAGRAMS<DVD SECTION>
SLED SERVO SIGNAL
TRACKING SERVO SIGNAL
X451
7
MULTI X'TAL 36.864MHz
1/4
PLL OSC OSC
8
IC202
1/4 PLL2
(OP AMP)
1
14
IC301
(SERVO DRIVE)
+ 27
FOCUS
15
+
-
ACTUATOR
26
-
16 DRIVE
25
24
+
TRACKING
14
+ -
ACTUATOR
1
-
DRIVE
13
2
3
SPINDLE
12
+
MOTOR
4
+
-
11 DRIVE
-
5
6
SLED
17
+
MOTOR
-
18 DRIVE 23
+3.3V
IC461
5 RESET 4
IC202
(OP AMP)
12 14
DVD MAIN CBA UNIT
1-10-13
SPINDLE SERVO SIGNAL
IC101
(MICRO CONTROLLER)
172 EXT CLOCK
92 CLK33M
170 BE CLOCK
146 AD2
3 114 POFLT
17 FSEL
CN302
95 DVD-A-MUTE
PLAY 48 1 PLAY
51 ADAC-MD
STOP 47 2 STOP
50 ADAC-MC
POWER 62 3 POWER
96 ADAC-ML
OPEN 94 4 OPEN/CLOSE
/CLOSE
152 FOCUS DRIVE
TRACKING
150
DRIVE
71 SPDL
70 SLD
CN401
OUT-SEL/SKIP-UP 55 20 OUT-SEL/SKIP-UP 20
FP-STB 59 16 FP-STB
FP-DIN 54 18 FP-DIN
FP-CLK 53 21 FP-CLK
REMOTE-DVD 61 22 REMOTE-DVD
68 RESET
97 TRAY-OUT
60 TRAY-IN
66 FG-IN
CL2003
2 OPEN/CLOSE 2
EWD2203
AL+5V
D2001 D2002
DISC IN PLAY
CL2007
1 STOP
Q2002
2 SKIP-DOWN 2
Q2003
CN2001
1
2
3
4
DVC860D
OUTPUT-SELECT
Q2001
DVD-POWER
IC571
(FRONT PANEL CONTROL)
1G 23
CN1001 7G 17
16 2 STB
a 7
18 28 DIN
21 1 CLK h 14
22 i 16
RM2001
DISPLAY-CLK
REMOTE
DISPLAY-DATA
SENSOR
DISPLAY-ENA
REMOTE-VIDEO
MAIN CBA
1-10-14
SW2001
CL2002
DVD
OPEN
/CLOSE
DVD
OPEN/CLOSE CBA
SW2005
STOP
CL2006
1
SW2006
SKIP DOWN
DVD SW CBA
DVC860D
SW2003
PLAY
SW2002
STOP
EWD2203
SW2003
SKIP-UP
SW2002
PLAY
FROM SERVO
/SYSTEM CONTROL
BLOCK DIAGRAM
<VCR SECTION>
FIP502
GRID FIP
SEGMENT
DVC860D
FROM/TO SERVO
/SYSTEM CONTROL
BLOCK DIAGRAM
<VCR SECTION>
H9400BLSD