Vizio L37 Service Manual page 30

The function of the inverter is to step up the voltage supplied by the main board to the
power that is needed to light up the lamps in the panel. Simultaneously, the digital
video signals are processed in the panel and the outcome determines the brightness,
pixel on/off and the color displayed on the panel.
The analog video signals of S-video, YPbPr, TV, PC and A/V all video signals are
translated from analog signals into MTK8205 generates the vertical and horizontal
timing signals for display device.
The analog audio of s-video, YPbPr, TV, PC and A/V is transmitting to the WM8776
processed. The purpose is process the input audio signal to control volume, bass,
treble, surround, and balance. The HDMI video and audio is must transmitting to
sil9011 processed then TMDS signal to the MTK8205 generates the vertical and
horizontal timing signals for display device.
The DTV signal is processes to the tuner and output to MT5111 who handle ATSC
input to match MPEG-2 package, then transfer to MT5351. After passing through
decoder, the signal will be with the digital signal tri-dtate from HDMI transfer to digital
port of MT8205 . All functions are controllable by the main board. Plus, all functions in
the IC boards are programmable using I2C Bus.
CONFIDENTIAL – DO NOT COPY Page 6-2
File No. SG-0176