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LCD TV Service Manual
Hisense Confidential
4.2 Image and signal process
RF signal:
After the RF Signal enter TV Tuner, the RF Signal will become IF Signal after the TV Tuner converted,
and then the Signal will become SIF and VIF signal by sawfilter U16 and U20, finally send to Main IC
through U19.
Video signal:
Video of AV1 input through P16B, pass by R2, C5, R1, C1, enter No.1 feet of U34
Video of AV2 input through P16A, pass by R6, C10, R11, C12, enter No.4 feet of U34
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