1-9-8
H9776BLD
Digital Signal Process Block Diagram
D
A
T
A(VIDEO/A
UDIO) SIGNAL
D
V
D
VIDEO SIGNAL
D
A
T
A(A
UDIO) SIGNAL
C1
6
D1
8
A1
7
B1
5
E1
4
F1
2
D
VD-LD
8
CD-LD
10
PD-MONI
7
FS(+)
2
FS(-)
3
TS(+)
1
TS(-)
4
CN201
CN201
CN201
IC201
(SW)
IC503
(SDRAM)
IC101
(MICR
O CONTR
OLLER)
FS
FS(+)
CD/D
VD
FS(-)
TS(+)
TS(-)
TS
PICK-UP
UNIT
DETECT
OR
CD/D
VD
19
Q251,Q252
CD
D
V
D
AMP
Q253,Q254
AMP
4
1
3
6
GND(D
VD-PD)
6
GND(CD-PD)
5
GND(LD)
9
T
O
D
VD SYSTEM
CONTR
OL/SER
V
O
BLOCK DIA
GRAM
RF
SIGNAL
PR
OCESS
CIRCUIT
D
VD/CD
FORMA
TTER
A
UDIO
I/F
VIDEO
I/F
NTSC/P
AL
ENCODER
DMA
BCU
INST
.
RO
M
32BIT
CPU
D
ATA
RAM
INTERR
UPT
CONTR
OLLER
W
A
TCH DOG
TIMER
CPU
I/F
TIMER
DECODER
I/F
CPU
I/F
READ
MEMOR
Y
D
ATA
RAM
DSP
DECODER
I/O
PR
OCESSOR
INST
.
RO
M
D
ATA
RAM
INST
.
RO
M
SERIAL
D/A
GENERAL
I/O
INTERR
UPT
CONTR
OLLER
TIMER
W
A
TCH DOG
TIMER
REMO
TE
CONTR
OL
32BIT CPU
STREAM
I/F
EXTERNAL
MEMOR
Y
I/F
SDRAM
ECC
UMA
C
114
115
116
117
132
131
134
133
129
130
126
124
125
123
83
DEB
UG
BCU
INST
RAM
D
ATA
RAM
D/A
D/A
D/A
TO
D
V
D
VIDEO
/A
UDIO
BLOCK
DIA
GRAM
156
158
Y
C
R
B
VIDEO-Y
VIDEO-C
VIDEO-R
VIDEO-B
TO
D
V
D
VIDEO
/A
UDIO
BLOCK
DIA
GRAM
177
SPDIF
170
PCM-BCK
171
PCM-D
A
T
A
169
PCM-LRCLK
152
151
23~51
SDRAM D
A
T
A(0-15)
SDRAM ADDRESS(0-10)
SDRAM ADDRESS(0-11)
217
238
~
1
18
252
256
~
~
2
13
42
53
~
~
IC103
(FLASH R
OM)
FLASH
RO
M
29
36
38
45
~
~
D
V
D MAIN CB
A UNIT
22
26
29
35
~
~
D/A
149
G
VIDEO-G
FDQ (0-15)
~
1
9
16
25
48
~
192~212
F
A
DR (0-19)
SDRAM D
A
T
A
(0-15)
