Magnavox MWC13D5 A, Руководство по обслуживанию, Страница: 36 / 71

1-9-6
BLOCK DIAGRAMS < DVD Section >
DVD System Control / Servo Block Diagram
T8100BLSD
D
V
D MAIN CB
A UNIT
DRIVE CB
A
IC9301
(SER
V
O DRIVE)
CN9301
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
TRA
Y
-IN
SLD
75
SPDL
76
TRA
CKING DRIVE
FOCUS DRIVE
66
T
O
D
V
D A
U
DIO
BLOCK DIA
G
RAM
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
D
V
D-A
UDIO-MUTE
AD
A
C
-MD
D
V
D-A
UDIO-MUTE
163
PCM-SCLK
TRA
Y
-IN
6
SP(+)
5
SP(-)
4
TRAY-IN
3
GND
2
SL(-)
1
SL(+)
VREF
IC9202
(OP AMP)
15 16 14 13 12 11 17 18
23
6 4 5 3 1 2
25 24 27 26
SL-AMP SP-R
O
T
+3.3V
146
FD-OFST
139
TD-OFST
1
2 6
7
5 3
13
14
12
T
O
SYSTEM
CONTR
OL BLOCK
DIA
GRAM
<TV SECTION>
RESET
73
RESET
IC462
3
1
RESET
IC461
2
1
*
1
+3.3V
+3.3V
FD-OFST
33 TD-OFST
55
148 147
SPDL
66 SLD
44
CN3
CN3A
MAIN CB
A
SP-R
O
T
11
SL-AMP
22
140
SL-ADS
143 81
SL-ADS
33
CN4
CN4A
SCLK
99 CS
10
10
SD
A
T
A
11
11
D
V
D-REMO
TE
12
12
CN1
CN1A
D
V
D-REMO
TE
SCLK CS SD
A
T
A
67 59 60 61
TRA
Y
-IN
17
17
TS(-)
99 TS(+)
88 FS(-)
11
11
FS(+)
10
10
CN3
CN3A
T
O
DIGIT
AL SIGNAL
PR
OCESS BLOCK
DIA
GRAM
FS(+) FS(-) TS(+) TS(-)
SCLK CS SD
A
T
A
D
V
D-REMO
TE
PWRCON
PWRCON
70
TO PO
WER SUPPL
Y
BLOCK DIA
GRAM
<TV SECTION>
1 NOTE:
Either IC461 or IC462 is used for DVD MAIN CBA UNIT.