Magnavox MSD115, Руководство по обслуживанию

Страница: 2 / 19

1-1-1
BLOCK DIAGRAMS
System Control / Servo Block Diagram
E6151BLS
IC301 (SER
V
O
DRIVE)
CN301
M
SLED MOTOR
M
SPINDLE MOTOR
IC101 (MICR
O CONTR
OLLER)
+ -
+
-
+ -
+
-
+ -
+
-
+
-
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
U
DIO-MUTE
AD
A
C-MD
A
U
DIO-MUTE
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
GRAM
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
CN1001
REMO
TE
SENSOR
RM2001
AV
C
B
A
59
PO
WER
60
OPEN/CLOSE
82
ST
OP
67
REMO
T
E
61
PLA
Y
CN401
OPEN/CLOSE
SW2002
PO
WER
SW2003
ST
OP
SW2004
PLA
Y
SW2001
23
REMO
TE
22
22
PLA
Y
21
21
ST
OP
20
20
OPEN/CLOSE
19
19
PO
WER
18
140
SL-ADS
*
1
183
I/P-SW
I/P-SW
163
1 NOTE:
Either IC461 or IC462 is used for DVD MAIN CBA UNIT.