FUNAI DBVR-7730D, Service Manual

Page: 28 / 77

1-11-6
BLOCK DIAGRAMS <DVD SECTION>
E8B05BLSD
DVD System Control / Servo Block Diagram
IC101
76
FP-STB
74
FP-DIN
71
REMO
TE-D
VD
75
FP-CLK
D
VD MAIN CB
A UNIT
DRIVE CB
A
IC301 (SER
V
O
DRIVE)
CN301
M
SLED MOTOR
M
SPINDLE MOTOR
(MICR
O CONTR
OLLER)
+ -
+
-
+
-
+
-
+
-
+
-
+
-
SLED M
OTO
R
DRIVE
FOCUS AC
T
U
A
T
O
R
DRIVE
SPINDLE M
OTO
R
DRIVE
TRA
CKING
AC
T
U
A
T
O
R
DRIVE
144
TRA
Y
-IN
SLD
91
SPDL
90
TRA
CKING
DRIVE
145
FOCUS DRIVE
T
O
DIGIT
AL SIGNAL
PR
OCESS BLOCK
DIA
GRAM
FS(+) FS(-) TS(+) TS(-)
TO
D
V
D
VIDEO/ A
UDIO
BLOCK DIA
GRAM
77
AD
A
C-MD
78
AD
A
C-MC
70
AD
A
C-ML
AD
A
C-MC
AD
A
C-ML
170
ASPECT
ASPECT
PCM-SCLK
72
A
UDIO-MUTE
AD
A
C-MD
A
UDIO-MUTE
166
PCM-SCLK
TRA
Y
-IN
3
SP(+)
4
SP(-)
5
TRAY-IN
6
GND
7
SL(-)
8
SL(+)
VREF
IC202 (OP AMP)
15 16 14 13 12 11 17 18
23
6 4 5 3 1 2
25 24 27 26
SL-AMP
139
SP-R
O
T
EV+3.3V
1
2 6
7
5 3
142
FD-OFST
141
TD-OFST
13 12
87
14
89
D
VD-PLA
Y
D
VD-ST
OP
D
V
D-PO
WER
D
VD-OPEN/CLOSE
96 95 98 97 94
OUTPUT
-SELECT
RESET
84
RESET
IC462
1
3
+3.3V
+3.3V
RESET
IC461
2
1
140
SL-ADS
2
28
1
12
7 8 9
10 11
REMO
TE
SENSOR
RM2001
1G 7G
~
23 17
~
a b c d
e
FP-STB
DISPLA
Y
-CLK
DISPLA
Y
-D
A
T
A
DISPLA
Y
-STB
FP-DIN FP-CLK
GRID
FIP
SEGMENT
IC611
IC612
MAIN CB
A
(FIP DRIVER)
13 14 16
f
g h
i
T
O
SER
V
O/SYSTEM
CONTR
OL BLOCK
DIA
GRAM
<VCR SECTION>
D
VD-PO
WER
CL1051
EV+3.3V
EV+3.3V
SW2020
CN2016
CN2015
D
VD-OPEN/CLOSE
1
E
V+3.3V
1
2
DVD-OPEN/CLOSE
2
D
VD OPEN/CLOSE CB
A
SW2021
ST
OP
SW2022
PLA
Y
REMOTE-VIDEO
OUTPUT-SELECT
28
25
D
VD-PLA
Y
29
26
D
VD-ST
OP
26
23
D
VD-PO
WER
27
24
D
VD-OPEN/CLOSE
24
21
FP-STB
22
19
FP-DIN
23
20
FP-CLK
25
22
REMO
TE-D
VD
30
27
OUTPUT
-SELECT
1 NOTE:
Either IC461 or IC462 is used for DVD MAIN CBA UNIT.