Digital television receiver

[0051] figure 1 Shows the basic structure of an apparatus for receiving digital television signals, for example in the form of a set-top box, top view. In this case, the motherboard houses multiple component groups and components. exist figure 1 In the illustrated embodiment, the main board 150 houses the tuner IC 10 , the demodulator IC 30 , and the HF signal port 20 . These components may also be referred to as front-end components. The main board 150 also accommodates a so-called back-end processor IC 40 , RAM memory 50 , flash memory 60 and smart card IC 70 . These components are generally referred to as backend components. Control and display elements 90 are also provided on the operating system. The board also houses a remodulator assembly pack 100 , a remodulator HF port 110 and a number of RCA / Toslink audio and video outputs 120 . A power circuit 130 and a power port 140 may also be provided for energy supply.

[0052] figure 2 shows the structural design of th