XOCECO LC-27W18S Service Manual - page 18
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2. Sub-channel and SCART video signal decode IC (TVP5147)
Sub-tuner TUNER202 decode video, AV, S-VIDEO, SCART1 video, SCART2 video and Y/C signal,
after matching impedance, enter decoding IC N601 (TVP5147), so the PIP image of sub-channel
can selecting arbitrary video signal.
MSP3410 internal block diagram as follow:
TVP5147 main pins instructions:
28, 29: SCL, SDA
22: Video input for SCART1
7, 80: Y/C signal input for SCART2
16: video signal input of sub-tuner
8: Y signal input of AV or S-Video
1: C signal input of S-Video
9, 2, 18: YUV signal input of compatible DTV