1
6
e). Main picture decoding and processing IC(PanelTv-Svp)
The block diagram of PanelTv-Svp is shown below:
The video signal output from main tuner
(TUNER201),AV and Svideo signal, after matching with
resistor, fed directly through its respective channel into main decoder IC N101(PanelTv-Svp), where they
are subject to the changeover of video, A/D conversion, digital decoding, image zooming and OSD
superimposition. Then they are output in electric level TTL to N601 DS90C383 (LVDS transmitting IC) for
driving liquid crystal display screen. Besides the digital signal fed from VPC3230, MST9883 and TFP501
are subject to image zooming and OSD superimposition in N101. Then they are output in electric level
TTL to N601 DS90C383 (LVDS transmitting IC) for driving the liquid crystal display screen.
Furthermore it is also possible to realize multi-display functions in N101 such as PIP, POP, double
pictures and 9 pictures.
The main pins of PanelTv-Svp in this TV model are described as follows:
K4, J1:SCL,SDA, for the control of IC operations;
L2, P4: Y/C signal input of Svideo;
L4: video signal input of main tuner;
L3: AV signal input;
Y10, Y11, W11:IC analog RGB signal output(can be used during adjustment);
U13, V13, Y2: line/field synchronous signal and PCLK signal output.
Summary of Contents for BSV-2751
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