Hitachi 46W500 Training page 48

Front-End Board
IF circuit
Main Board
Digital
Tuner
ATSC
CATV
RF IN
64MB
SDRAM
TS in
IEEE
1394
IEEE1394
I/F
Physical
IEEE1394 Board
Block Diagram of UD2002
ATSC / QAM / IEEE1394 Interface Module
BCM3510
IF
VSB/QAM
Demodulator
AGC
IF
2
I C
TS
AGC
TC90A55TB
HL Decoder
DAC
MPG
Demux
Decoder
Down
NTSC AC-3
Decoder Mix
Encoder
TS out
Glue Logic 2/2
CPU
bus
SCI
TS
Modem
IEEE1394
Board
Link
Modem
RAM
I/F
RAM for
256QAM
64MB
SDRAM
Y/C, V
YSD-038
Graphics
Glue
Graphics
Logic 1/2
L,R
NTSC
Encoder
DAC
Peripherals
L,R Y/C
Analog NTSC
Audio Video
Analog
Power
Supply
PTV Signal Board
Memory Card
Board
Memory
Card I/F
Memory
Card I/F
Optical
Sub
DAC
CPU
DAC
SH4
Main
64MB
CPU
SDRAM
CPU
SCI
2
I C
bus
16MB
Y/Pb/Pr
FLASH
Y Pr/Pb SCI
HD
Video
Digital
Power
Supply
Memory
Card
I/F
SPD
I/F
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