Magnavox sylvania DVC840F, Руководство по обслуживанию

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BLOCK DIAGRAMS <DVD SECTION>
H9801BLSD
DVD System Control / Servo Block Diagram
REMO
TE
SENSOR
RM2001
REMO
TE-VIDEO
MAIN CB
A
20
21
21
22
19
20
18
19
REMO
T
E
2
2
DV
D-OPEN/CLOSE
24
23
T
O
SER
V
O/SYSTEM
CONTR
O
L BLOCK
DIA
GRAM
<VCR SECTION>
D
V
D-PO
WER
CN401
CN1001
D
V
D-PLA
Y
2
5
26
D
V
D-ST
OP
26
27
D
VD-PO
WER
23
24
D
V
D-PLA
Y
D
V
D-ST
OP
D
V
D-PO
WER
OPEN/CLOSE
25
Q2002
Q2013
EV+3.3V
AL+5V
EV+3.3V
D2001
DISCIN-L
D2002
PLA
Y
SW2001
CN2002
CN2003
D
VD-OPEN/CLOSE
1
EV+3.3V
1
2
DV
D-OPEN/CLOSE
2
D
VD OPEN/CLOSE CB
A
SW2002
S
T
O
P
SW2005
SKIP-UP
SW2006
SKIP-DO
WN
SW2003
PLA
Y
53 54 65 68 82 60 61 67
REMO
TE
59
D
V
D MAIN CB
A UNIT
DRIVE CB
A
IC301 (SER
V
O DRIVE)
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
T
O
DIGIT
A
L SIGNAL
PR
OCESS BLOCK
DIA
GRAM
FS(+) FS(-) TS(+) TS(-)
T
O
D
V
D
VIDEO/ A
UDIO
BLOCK DIA
GRAM
57
AD
A
C
-MD
56
AD
A
C
-MC
AD
A
C
-MC
PCM-SCLK
88
A
U
DIO-MUTE
AD
A
C
-MD
A
U
DIO-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
+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 /TRA
Y
-OUT
143
SP-R
O
T
+3.3V
1
2 6
7
5 3
13
14
12
146
FD-OFST
139
TD-OFST
86
AD
A
C
-ML
AD
A
C
-ML
RESET
IC461
2
1
DISCIN-L
SKIP-DO
W
N
PLA
Y
SKIP-UP
DISCIN-L SKIP-DO
WN
PLA
Y
SKIP-UP
1 NOTE:
Either IC461 or IC462 is used for DVD MAIN CBA UNIT.