Hitachi DV-P335E Manuel Technique page 40

6 BLOCK DIAGRAMS
6-1 System Control/Servo Block Diagram
FOCUS SERVO SIGNAL
PCM-SCLK
A-MUTE
TO ADAC-MD
VIDEO/ AUDIO
ADAC-MC
BLOCK DIAGRAM
ADAC-ML
ASPECT
FS(+)
FS(-)
TO DIGITAL SIGNAL
TS(+)
PROCESS BLOCK
DIAGRAM
TS(-)
TRAY-OUT
TRAY-IN
SPINDLE
MOTOR
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
SLED SERVO SIGNAL
TRACKING SERVO SIGNAL
IC451
(CLOCK GENERATOR)
X451
7
MULTI X'TAL 36.864MHz
3 1/4
PLL OSC OSC
8
15 1/4 PLL2
10
14
IC301
(SERVO DRIVE)
27
+
FOCUS
15
+ -
ACTUATOR
26
-
DRIVE
16
25
24
+
TRACKING
14
+
-
ACTUATOR
1
-
13 DRIVE
2
3
SPINDLE
12
+
MOTOR
+ 4
-
DRIVE
11
-
5
6
SLED
17
+
MOTOR
-
18 DRIVE 23
+3.3V
IC461
RESET
5 4
IC202
(OP AMP)
12 14
DVD MAIN CBA
SPINDLE SERVO SIGNAL
IC101
(MICRO CONTROLLER)
172 EXT CLOCK
92 CLK33M
170 BE CLOCK
17 FSEL
95 A-MUTE
51 ADAC-MD
50 ADAC-MC
96 ADAC-ML
64 ASPECT
152 FOCUS DRIVE
TRACKING
150
CN401 CN1001
DRIVE
FP-STB FP-STB 16
59 16
FP-DIN 54 18 FP-DIN 18
FP-DOUT 55 20 FP-DOUT 20
FP-CLK 53 21 FP-CLK 21
71 SPDL
REMOTE 61 22 REMOTE 22
70 SLD
RM2001
REMOTE
SENSOR
68 RESET
97 TRAY-OUT
60 TRAY-IN
66 FG-IN
IC2001
(FRONT PANEL CONTROL)
FL2001
1G 23
GRID FIP
7G 17
a/KEY-1 7
b/KEY-2 8
c/KEY-3 9
SEGMENT
d/KEY-4 10
e 11
FP-STB f
2 12
28 FP-DIN g 13
27 FP-DOUT h 14
1 FP-CLK i 16
CN2101
7 KEY-1
2 KEY-2
6 KEY-3
5 KEY-4
K2 4 1 K2
K1
K1 3 8
AV CBA
CN2102
7
2
6
KEY
5
MATRIX
1
8
FUNCTION CBA
15