How to make all channels available in TV?

Can I make my hd tv automatically switch from non-hd channels to hd channels?

  • I got a samsung 5005 and it's kind of tiresome to look up the hd channels everytime I change the channel. For example, when I press "4" it goes to "46-7". Thanks!

  • Answer:

    it is a good project. on tv HD/SD decoder circuit......make a 0/5 VOLT for distinguishing. use this for switching......make SD and HD channels group ( tv control ic ) with IC 4066. so when a channel is HD this system directs to HD group.

Kearthab... at Yahoo! Answers Visit the source

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