Sharp LC-55LE643U_FPTW, Service Manual

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CONFIDENTIAL – DO NOT COPY
Page 7-2
File No. SG-0000242
MSD8220
Ⅰ
. GENERAL DESCRIPTION
The MStar MSD8220
family consists of a DTV front-end demodulator, a backend decoder
and a TV controller and offers high integration for advanced applications. It combines a transport
de-multiplexer, a high definition video decoder, an audio decoder, a dual-link LVDS transmitter, a
mini-LVDS transmitter, an EPI transmitter and an NTSC/PAL/SECAM TV decoder with a 3D
comb filter (NTSC/PAL). The MSD8220 enables consumer electronics manufactures to build high
quality, low cost and feature-rich DTV.
World-Leading Audio/Video Technology:
The MSD8220 supports Full-HD
MPEG1/2/4/h.264/DiviX/VC1/RM/AVS video decoder standards, and JPEG. The MSD8220 also
supports MediaTek MDDiTM de-interlace solution can reach very smooth picture quality for
motions. A 3D comb filter added to the TV decoder recovers great details for still pictures. The
special color processing technology provides natural, deep colors and true studio quality video.
Also, the MSD8220 family has built-in high resolution and high-quality audio codec.
Rich Features for High Value Products:
The MSD8220 family enables true single-chip
experience. It integrates high-quality HDMI1.4a, high speed VGA ADC, LVDS, mini-LVDS, EPI,
USB2.0 receiver, Ethernet MAC+PHY, CPU and 128K bytes L2 cache to fulfill variety networking
application, TCON, panel overdrive, and ATSC demodulators.
WW Common Platform Capability:
The MSD8220 family supports ATSC demodulation
functions. Reserved transport stream input for external demodulator for other countries or areas.
TV maker can easily port the same UI to worldwide TV models. Excellent adjacent and cochannel
rejection capability grants customers never miss any wonderful stream. Professional
error-concealment provides stable, smooth and mosaic-free video quality.
Key Features:
1. Worldwide multi-standard analog TV demodulator
2. ATSC demodulators
3. Powerful CPU core
4. A transport de-multiplexer
5. A muti-standard video decoder
6. Rich format audio codec
7. HDMI1.4a receiver with 3D-TV supporting
8. 2D/3D converter
9. Ethernet MAC+PHY
10. Local dimming (LED backlight)
11. TCON
12. Panel overdrive control
13. LVDS, mini-LVDS, EPI