Sharp DV-NC200SB, Руководство по обслуживанию

Страница: 55 / 133

1-13-6
BLOCK DIAGRAMS <DVD SECTION>
H9941BLSD
DVD System Control / Servo Block Diagram
2
28
1
12
7 8 9
10 11
REMO
TE
SENSOR
RM2001
1G 7G
~
23 17
~
a b
c
d e
FP-STB
REMOCON-IN
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
FP-STB
20
21
FP-DIN
19
20
FP-CLK
18
19
REMO
TE-D
VD
22
23
f
g h
i
IC101
EV+3.3V
EV+3.3V
T
O
SER
V
O/SYSTEM
CONTR
OL BLOCK
DIA
GRAM
<VCR SECTION>
FR
OM SER
V
O/SYSTEM
CONTR
OL BLOCK
DIA
GRAM
<VCR SECTION>
CL1051
D
V
D-PLA
Y
2
5
26
D
V
D-ST
OP
26
27
D
VD-PO
WER
23
24
D
V
D-OPEN/CLOSE
24
25
SW2020
CN2015
CN2016
D
V
D-OPEN/CLOSE
1
EV+3.3V
1
2
D
V
D-OPEN/CLOSE
2
D
VD OPEN/CLOSE CB
A
SW2021
ST
OP
SW2022
PLA
Y
82
FP-STB
60
FP-DIN
67
REMO
TE-D
VD
59
FP-CLK
CN401
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 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
147
TRA
Y
-IN
SLD
75
SPDL
76
TRA
CKING
DRIVE
148
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
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
A
UDIO-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
IC202 (OP AMP)
15 16 14 13 12 11 17 18
23
6 4 5 3 1 2
25 24 27 26
SL-AMP
143
SP-R
O
T
EV+3.3V
1
2 6
7
5 3
146
FD-OFST
139
TD-OFST ASPECT
21
ASPECT
13 12
81
14
66
D
V
D-PO
WER
D
V
D-PLA
Y
D
VD-ST
OP
D
V
D-PO
WER
D
VD-OPEN/CLOSE
53 54 65 68
OUTPUT
-SELECT
27
28
55
OUTPUT
-SELECT
OUTPUT
-SELECT
RESET
73
RESET
IC462
1
3
+3.3V
+3.3V
RESET
IC461
2
1
140
SL-ADS
1 NOTE:
Either IC461 or IC462 is used for DVD MAIN CBA UNIT.