Hitachi DV-P543U, Service Manual

Page: 46 / 50

B-1
B-1 System Control / Servo Block Diagram
B
BLOCK DIAGRAMS
82
FP-STB
60
FP-DIN
61
FP-DOUT
67
REMO
TE
59
FP-CLK
CN401
IC301 (SER
V
O
DRIVE)
20 19 21 18 22
CN301
M
SLED MOTOR
M
SPINDLE MOTOR
IC101 (MICR
O
CONTR
O
LLER)
+ -
+
-
+ -
+
-
+ -
+
-
+
-
SLED MO
T
O
R
DRIVE
FOCUS A
C
TU
A
T
OR
DRIVE
SPINDLE MO
T
O
R
DRIVE
TRA
CKING
A
C
TU
A
T
OR
DRIVE
147
TRA
Y
-IN
SLD
75
SPDL
76
TRA
C
KING
DRIVE
148
FOCUS DRIVE
66
FS(+) FS(-) TS(+) TS(-)
57
AD
A
C
-MD
56
AD
A
C
-MC
86
AD
A
C
-ML
AD
A
C
-MC
AD
A
C
-ML
PCM-SCLK
88
A-MUTE
AD
A
C
-MD
A-MUTE
163
PCM-SCLK
TRA
Y
-IN
3
SP(+)
4
SP(-)
5
TRAY-IN
6
GND
7
SL(-)
8
SL(+)
VREF
CN1001
2
28 27
1
12
7 8 9
10 11
REMO
TE
SENSOR
RM2001
1G 7G
~
23 17
~
a/KEY
-1
b/KEY
-2
c/KEY
-3
d/KEY
-4
e
K1 K2
FP-STB FP-DIN FP-DOUT FP-CLK
GRID
FIP
SEGMENT
FL2001
IC2001 (FR
ONT P
ANEL CONTR
OL)
13 14 16
3 4
f
g h
i
KEY MA
TRIX
CN2001
CN2101
KEY
-1
5
5
KEY
-2
3
3
KEY
-3
4
4
KEY
-4
6
6
K2
1
1
K1
2
2
FP-STB
20
FP-DIN
19
FP-DOUT
2
1
FP-CLK
18
REMO
T
E
2
2
RESET
73
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-R
O
T
+3.3V
146
FD-OFST
139
TD-OFST
RESET
IC461
2
1
+3.3V
T
O
DIGIT
A
L SIGNAL
PR
OCESS BLOCK
DIA
GRAM
TO VIDEO/ A
UDIO
BLOCK DIA
GRAM
DRIVE CB
A
D
V
D MAIN CB
A UNIT
A
V
CB
A
FUNCTION CB
A
1
2 6
7
5 3
13
14
12