23
DVD-1930CI / DVD-757
BLOCK DIAGRAMS
System Control / Servo Block Diagram
CN401
CN1001
12
7
8
9
10
11
REMO
TE
SENSOR
RM2001
JK3501
1G
7G
~
23
17
~
a/KEY
-1
b/KEY
-2
c/KEY
-3
d/KEY
-4
e
K1
K2
GRID
FIP
SEGMENT
FL2001
IC2001
(FR
ONT P
ANEL CONTR
OL)
13
14
16
3
4
f/KEY
-6
g
h
i
KEY
MA
TRIX
CN2001
CN2101
KEY
-1
6
6
KEY
-2
4
4
KEY
-3
5
5
KEY
-4
7
7
Q2086
K2
2
2
K1
3
3
KEY
-6
1
1
REMOCON
-IN
REMOCON
-OUT
74
FP-DIN
22
28
FP-DIN
FP-DIN
2
3
12
FP-STB
24
2
FP-STB
FP-STB
25
73
FP-DOUT
21
27
FP-DOUT
FP-DOUT
22
75
FP-CLK
23
1
FP-CLK
FP-CLK
24
72
REMO
TE
25
REMO
TE
26
253
HDMI
26
HDMI
27
A
V
CB
A
FUNCTION CB
A
IC3510
7
1
AMP
SW2101
PO
WER
CN2002
CN2102
D2182
PO
WER-LED
2
2
ST
ANDBY
-LED
3
3
KEY
-2
5
5
K2
6
6
LED CB
A
PO
WER
ST
ANDBY
INV
-PO
WCON
+5V
T
O
PO
WER
SUPPL
Y
BLOCK
DIA
GRAM
Q2088
Q2089
HDMI-LED
7
7
+5V
D2184
HDMI
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
CTU
A
T
OR
DRIVE
SPINDLE MO
T
O
R
DRIVE
TRA
CKING
A
CTU
A
T
OR
DRIVE
144
TRA
Y
-IN
SLD
91
SPDL
90
TRA
CKING
DRIVE
145
FOCUS DRIVE
89
FS(+)
FS(-)
TS(+)
TS(-)
77
AD
A
C-MD
78
AD
A
C-MC
79
AD
A
C-ML
AD
A
C-MC
AD
A
C-ML
M-MUTE
254
A
UDIO-MUTE
AD
A
C-MD
A
UDIO-MUTE
256
M-MUTE
RS232C-TX
RS232C-RX
TRA
Y
-IN
1
SP(+)
2
SP(-)
6
TRAY-IN
3
GND
4
SL(-)
5
SL(+)
VREF
RESET
84
RESET
IC461
2
1
+3.3V
IC202
(OP AMP)
15
16
14
13
12
11
17
18
23
6
4
5
3
1
2
25
24
27
26
87
SL-AMP
139
SP-R
O
T
+3.3V
1
2
6
7
5
3
13
14
12
142
FD-OFST
141
TD-OFST
DRIVE CB
A
D
VD MAIN CB
A UNIT
T
O
DIGIT
AL SIGNAL
PR
OCESS BLOCK
DIA
GRAM
T
O
A
UDIO
BLOCK DIA
GRAM
AD
A
C-MD
AD
A
C-MC
T
O
SA
CD
BLOCK DIA
GRAM
(AMP)
140
SL-ADS
RESET
IC462
1
3
+3.3V
1
14
13
11
12
IC2321
(RS232C I/F)
2
3
JK2321
INTERF
A
CE CB
71
70
RS232C-
CONNECTOR
1 NOTE:
Either IC461 or IC462 is used for DVD MAIN CBA UNIT.
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
