Magnavox MSD124, Руководство по обслуживанию, Страница: 15 / 40

1-6-1
BLOCK DIAGRAMS
System Control / Servo Block Diagram
E595BBLS
IC301 (SER
V
O
DRIVE)
CN301
M
SLED MOTOR
M
SPINDLE MOTOR
IC101 (MICR
O
CONTR
OLLER)
+
-
+ -
+
-
+ -
+
-
+ - + -
SLED MO
T
O
R
DRIVE
FOCUS AC
T
U
A
T
O
R
DRIVE
SPINDLE MO
T
O
R
DRIVE
TRA
CKING
AC
T
U
A
T
O
R
DRIVE
147
TRA
Y
-IN
SLD
75
SPDL
76
TRA
CKING
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
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
AL SIGNAL
PR
OCESS BLOCK
DIA
G
RAM
TO VIDEO/ A
U
DIO
BLOCK DIA
GRAM
DRIVE CB
A
D
V
D MAIN CB
A UNIT
1
2 6
7
5 3
13
14
12
CN2002
REMO
TE
SENSOR
RM2001
AV
C
B
A
59
PO
WER
60
OPEN/CLOSE
82
ST
OP
67
REMO
TE
61
PLA
Y
CN401
OPEN/CLOSE
SW2002
PO
WER
SW2003
ST
OP
SW2004
PLA
Y
SW2001
183
I/P-SW
I/P-SW
22
REMO
TE
22
21
PLA
Y
21
20
ST
OP
20
19
OPEN/CLOSE
19
18
PO
WER
18