Vizio L37, Service Manual

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CONFIDENTIAL – DO NOT COPY Page 8- 2
File No. SG-0176
1. The power key through POW and GND to control MTK8205, MTK8205 will receive a
low signal to turn on or off system while press the power key.
2. The other key the same as power key .
3. The LED is constructed with two separate LED which color is blue and orange. The
MTK8205 direct control the LED’s when MTK8205 (OGO5) is low the LED is orange
(Close power) when MTK8205 (OGO5) is high the LED is blue (Open power).
MT8205 Application
MT8205 is a highly integrated single chip for LCD TV supporting video input and output
format up to HDTV. It includes 3D comb filter TV Decoder to retrieve the best image from
popular composite signals. On-chip advanced motion adaptive de-interlacer converts
accordingly the interlace video into progressive one with overlay of a 2D Graphic processor.
Optional 2nd HDTV or SDTV inputs allows user to see multi-programs on same screen.
Flexible scalar provides wide adoption to various LCD panel for different video sources. Its
on-chip audio processor decodes analog signals from Tuner with lip sync control, delivering
high quality post-processed sound effect to customers. On-chip microprocessor reduces the
system BOM and shortens the schedule of UI design by high level C program. MT8205 is a
cost-effective and high performance HDTV-ready solution to TV manufactures.