Service manual

3-46 3-47
4) VIDEO BLOCK DIAGRAM
2M x 32
(4 bank )
Address
(0:10)
Data
(0:31)
BA0
BA1
DQM
(0:3)
VCC
GND
CS
/WE
/CAS
/RAS
CLK
2M x 32
(4 bank )
Address
(0:10)
Data
(0:31)
BA0
BA1
DQM
(0:3)
VCC
GND
CS
/WE
/CAS
/RAS
CLK
HD 1 Chip
TS
De-
MUX
MP@HL
Video
Decoder
Multi-stream
Format
Converter
&
Display
Controller
Digital
I/F
CSC
&
LUT
Memory
Controller
&
Arbiter
PWM
Gen.
TS/
PES
Host
I/F
Controller
Audio
&
Data
I/F
Post
Pro-
cessing
2-D
Graphics
&
OSD
DAC
x3
A_CS
A_/WE
A_/CAS
A_/RAS
A_CLK
A_Address
(0:10)
A_Address(11)
A_Data
(0:31)
A_Data(0:63)
B_Data
(0:31)
B_Address
(0:10)
B_Address(11)
B_Data(0:63)
2M x 32
(4 bank )
Address
(0:10)
Data
(0:31)
BA0
BA1
DQM
(0:3)
VCC
GND
CS
/WE
/CAS
/RAS
CLK
B_CS
B_/WE
B_/CAS
B_/RAS
B_CLK
A_Data
(32:63)
B_Data
(32:63)
CPU
Peripheral
Bus I/F
TP Input
PDR-Pro Chip
PES output
to AC-Decoder
CLC5623
OP AMP
CLC5623
OP AMP
Video
Mute
BP Filter
BP Filter
BP Filter
15-D-Sub
RGB
/H/V
RCA Jack
Y Pb Pr
EMI
Filter
EMI
Filter
NTSC
Mute
TK15420
Amp
TK15420
Amp
H/V Sync
H/V Sync
RGB
YPbPr
Composit
Y
C
RCAJack
Output
1
EMI
Filter
Mini DIN
Jack
S-Video
TP Input
VSB Chip
74CBTLV
16292
Mux
74LCX244
Drive
2M x 32
(4 bank )
Address
(0:10)
Data
(0:31)
BA0
BA1
DQM
(0:3)
VCC
GND
CS
/WE
/CAS
/RAS
CLK
SAA7120
Digital
Video
Encoder