VESTEL 17MB82S, Service Manual

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4. MICROCONTROLLER – MediaTek
4.1. Description
MT5820 (Main IC) (U1)
The MediaTek MT5820
family consists of 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 MT5820 enables consumer electronics manufactures to build high
quality, low cost and feature-rich DTV.
World-Leading Audio/Video Technology:
The MT5820 supports Full-HD
MPEG1/2/4/h.264/DiviX/VC1/RM/AVS/VP6/VP8 (option) video decoder standards, and
JPEG. The MT5820 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 MT5820 family has built-in high resolution and
high-quality audio codec.
Rich Features for High Value Products:
The MT5820 family enables true single-chip
experience. It integrates high-quality HDMI1.4a, high speed VGA ADC, LVDS, mini-LVDS,
EPI, USB2.0 receiver, TCON (option), panel overdrive (option).
WW Common Platform Capability:
Reserved transport stream input is for external
demodulator for other countries or areas. TV maker can easily port the same UI to
worldwide TV models. Excellent adjacent and co-channel 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. Powerful CPU core
3. A transport de-multiplexer
4. A muti-standard video decoder
5. Rich format audio codec
6. HDMI1.4a receiver
7. Local dimming (LED backlight) (option)
8. TCON (option)
9. Panel overdrive control (option)
10. LVDS, mini-LVDS, EPI
Note:
All packages are lead free