Hitachi 9305 Manuel Technique page 91

6-6 DVD System Control/Servo Block Diagram
FOCUS SERVO SIGNAL
PCM-SCLK
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
34
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
IC202
(OP AMP)
POFLT 114 3 1
AD2 146
17 FSEL
95 A-MUTE
51 ADAC-MD
50 ADAC-MC CN302
96 ADAC-ML PLAY 48 1 PLAY
STOP
STOP 47 2
POWER
POWER 61 3
OPEN/CLOSE
OPEN/CLOSE 94 4
152 FOCUS DRIVE
TRACKING
150
DRIVE
71 SPDL
CN401
FP-STB 59 16 FP-STB
FP-DIN
70 SLD FP-DIN 54 18
FP-CLK
FP-CLK 53 21
REMOTE-DVD 61 22 REMOTE-DVD
68 RESET
97 TRAY-OUT
60 TRAY-IN
66 FG-IN
DVD OPEN/CLOSE SW CBA
CL2015 CL2016
2 GND 2
1 OPEN/CLOSE 1
EV+3.3V
CN2014
1
2
3
4
Q1505 DVD-POWER
IC612
(FIP DRIVER)
1G 23
7G 17
a 7
b 8
c
9
d 10
CN1001 e 11
16 2 FP-STB f 12
18
28 FP-DIN g 13
21
1 FP-CLK h 14
22
i 16
REMOTE-VIDEO
RM2001
DRV-CLK
REMOTE
DRV-DATA
SENSOR
DRV-STB
MAIN CBA
SW2020
OPEN/CLOSE
SW2022
PLAY
SW2021
STOP
FROM SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
<VCR SECTION>
IC611
GRID FIP
SEGMENT
TO SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
<VCR SECTION>