69
DV-525
MB86373 (DVDM ASSY : IC18)
• MPEG2 Decoder IC
•
Block Diagram
Memory
Controller Block
Audio
Clock
Generation
Block
System
Clock
Generation
Block
Control
Block
Video
Decoder
Block
Sync.
Control
Block
Reset Signal
Starting
Signal
NTSC/PAL
Video Encoder
DAC
OSD
Sub-
picture
MIX
Audio
Decoder
Block
System Clock
Clock for video
Clock for audio
LPF
VCO
Clock
Signal
Video Output (Y,C,Comp/Y,Cb,Cr)
Digital
Signal Output
(Component/
Composite)
System
Decoder Block
CPU
Interface
CPU
Clock
Generation
Block
27MHz
Audio Output
Internal
Bus
Reset
Signal
16Mbit
SDRAM
Exclusive
Parallel port
Input Signal
Picture
Block
Whole Control
Block
Video Output
Block