Sylvania DV220SL8 A, Руководство по обслуживанию

Страница: 30 / 69

1-11-8 E8E00BLD
Digital Signal Process Block Diagram
C1
6
D1
8
A1
7
B1
5
D
VD-LD
8
CD-LD
10
PD-MONI
7
FS(+)
2
FS(-)
3
TS(+)
1
TS(-)
4
CN201 CN201 CN201
IC101
(DIGIT
AL SIGNAL PR
OCESS)
FS
FS(+)
CD/D
VD
FS(-)
TS(+)
TS(-)
TS
DETECT
OR
CD/D
VD
19
Q251,Q252
AMP
Q253,Q254
AMP
GND(D
VD-PD)
6
GND(CD-PD)
5
GND(LD)
9
RF SIGNAL PR
OCESS
A
U
DIO
I/F
VIDEO I/F
VIDEO ENCODER
SDRAM
100 115 116 113 114 106 104 103 105 62
152 151 146 144
IC103
(FLASH R
O
M)
FLASH RO
M
FDQ (0-15) F
ADR(0-19)
SDRAM D
A
T
A(0-15)
PICK-UP UNIT
T
O
D
VD SYSTEM
CONTR
OL/SER
V
O
BLOCK DIA
GRAM
D
VD MAIN CB
A UNIT
IC501
(SDRAM)
SDRAM D
A
T
A
(0-15)
SDRAM ADDRESS(0-10)
2
12 39 49
~
~
20 24 27 32
~ ~
159 178
~
99 98 97
1~4
17
18
215
216
7~14
21~30
212
34~42
1 9
25 16 48
~ ~
29 36 45 38
~ ~
DIGIT
AL
SIGNAL PR
OCESS
EXT MEMORY DA T A(0-15)
EXT MEMORY ADDRESS(0-19)
SDRAM ADDRESS(0-10)
D/A D/A
131 139
Y(I/P)
C
VIDEO-Y(I/P)
VIDEO-C
D/A
129
Pr/Cr
VIDEO-Pr/Cr
D/A
130
Pb/Cb
V
IDEO-Pb/Cb
D/A
138
SPDIF
D
VD-A
UDIO-MUTE
D
VD-A
UDIO(R)
D
VD-A
UDIO(L)
T
O
D
VD
VIDEO/A
UDIO
BLOCK DIA
GRAM
D
VD A
UDIO SIGNAL
D
V
D VIDEO
SIGNAL
IC201
(SW)
4
1
6
3
198 203
~
194
206 209
~