Sylvania 6626LDG A, Service Manual, Page: 33 / 74

9-7
DVD Digital Signal Process Block Diagram
L4350BLDD
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
IC201 (SW)
IC101
(MICR
O CONTR
OLLER)
FS
FS(+)
CD/D
VD
FS(-)
TS(+)
TS(-)
TS
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
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
100 115 116 113 114 106 104 105 103 62
DEB
UG
BCU
INST CA
CHE
D
ATA
CA
CHE
D/A
131 139
Y
C
D
VD-Y
D
VD-C
152
SDRAM ADDRESS(0-10)
IC103
(FLASH R
OM)
FLASH RO
M
29 36 38 45
~
~
FDQ (0-15)
~
1 9
16 25 48
~
F
ADR (0-19)
SDRAM D
A
T
A(0-15)
PICK-UP UNIT
T
O
SYSTEM
CONTR
O
L/SER
V
O
BLOCK DIA
GRAM
D
VD MAIN CB
A UNIT
T
O
VIDEO
BLOCK DIA
GRAM
TO A
UDIO
BLOCK DIA
GRAM
IC503
(SDRAM)
SDRAM D
A
T
A(0-15)
SDRAM ADDRESS(0-10)
194 209
~
2
13 42 53
~
~
22 26 29 34
~ ~
159 178
~
99 98 97
21~30
34~42
212
1~4
7~14
17~18
215~216
A
UDIO D/A
CONVER
TER
< LCD
TV
SECTION > < LCD
TV
SECTION >
< LCD
TV
SECTION >
VIDEO SIGNAL
A
UDIO SIGNAL
CN1801
CN601
10
D
VD-Y
3
8
D
VD-C
1
144 151 146
DVD-A
UDIO-MUTE
D
VD-A
UDIO(R)
DV
D
-A
UDIO(L)
D
VD-SPDIF
13
DVD-A
UDIO-MUTE
6
14
D
VD-A
UDIO(R)
7
12
D
VD-A
UDIO(L)
5
19
D
VD-SPDIF
9
CN1801
CN601
MAIN CB
A
TO SYSTEM CONTR
OL
BLOCK DIA
GRAM
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