FUNAI D8B-M1000ZB, Service Manual

Page: 26 / 70

1-11-5
BLOCK DIAGRAMS <DVD SECTION>
E8GA1BLSD
DVD System Control / Servo Block Diagram
1 NOTE:
Either IC461 or IC462 is used for DVD MAIN CBA UNIT.
REMO
TE
SENSOR
RM2001
MAIN CB
A
T
O
SER
V
O/SYSTEM
CONTR
OL BLOCK
DIA
GRAM
<VCR SECTION>
D
VD-PO
WER
CN401
CL1051
D
VD-PLA
Y
D
VD-ST
OP
D
VD-PO
WER
D
VD-OPEN/CLOSE
EV+3.3V
EV+3.3V
SW2020
CN2016
CN2015
D
VD-OPEN/CLOSE
1
EV+3.3V
1
2
DVD-OPEN/CLOSE
2
D
VD OPEN/CLOSE CB
A
SW2021
ST
OP
SW2022
PLA
Y
78 80 77 79 56
DISCIN-L
54
SKIP-DO
WN
53
SKIP-UP
49
REMO
TE-D
VD
55
PLA
Y
D
VD MAIN CB
A UNIT
DRIVE CB
A
IC301 (SER
V
O
DRIVE)
CN301
M
SLED MOTOR
M
SPINDLE MOTOR
IC101 (MICR
O CONTR
OLLER)
+
-
+ -
+
-
+ -
+
-
+
-
+
-
SLED M
OTO
R
DRIVE
FOCUS A
CTU
A
T
OR
DRIVE
SPINDLE M
OTO
R
DRIVE
TRA
CKING
A
CTU
A
T
OR
DRIVE
126
TRA
Y
-IN
SLD
67
SPDL
66
TRA
CKING
DRIVE
127
FOCUS DRIVE
65
T
O
DIGIT
AL SIGNAL
PR
OCESS BLOCK
DIA
GRAM
FS(+) FS(-) TS(+) TS(-)
T
O
D
VD
VIDEO/ A
UDIO
BLOCK DIA
GRAM
ASPECT
ASPECT
TRA
Y
-IN
1
SP(+)
2
SP(-)
6
TRAY-IN
3
GND
4
SL(-)
5
SL(+)
VREF
RESET
70 60
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
63
SL-AMP
121
SP-R
O
T
+3.3V
1
2 6
7
5 3
9
8
10
122
SL-ADS
RESET
IC461
2
1
REMOTE-VIDEO
28
26
D
VD-PLA
Y
29
27
D
VD-ST
OP
26
24
D
VD-PO
WER
27
25
D
VD-OPEN/CLOSE
21
19
SKIP-UP
24
22
DISCIN-L
22
20
SKIP-DO
WN
23
21
PLA
Y
25
23
REMO
TE-D
VD
SW2005
SKIP-UP
SW2006
SKIP-DO
WN
Q2002
Q2012
EV+3.3V
AL+5V
D2001
DISCIN-L
D2002
PLA
Y