Can a comcast cable box be used on any tv? Tags: HDTV TV Cable Home Theatre Last response: July 19, 2010 5:28 AM in Home Theatre Share howcoolisemma July 18, 2010 10:06:09 PM Hello, A friend gave us a comcast cable box from their house. they are still paying for the services but had an extra box. when we hook the box up to our tv, some channels work and some don't, randomly. how can we fix this, if possible?? More about : comcast cable box soundguruman a b x TV July 19, 2010 5:28:00 AM you can't. the cable company sends an authorization code to determine which channels are viewable. Can't find your answer ? Ask ! Publish Related resources: ForumUsing old comcast cable box ForumCan I use a Comcast box with basic cable to get more channels? ForumComcast cable box ForumPurchase Converter Box for Comcast Digital Cable ForumBox or converter box for Comcast Cable ForumPurchase Converter Box for Comcast Digital Cable ForumIf I have comcast internet service and a converter box can I get local tv channe Forumcomcast cable box setting for audio ForumComcast Cable Box ForumComcast digital box to analog tv problem ForumDvr box compatible with comcast digital cable box ForumWill this tv digital cable box motorola dct2224 work with comcast digital cable ? ForumQuestion about HTs with only one HDMI input More resources Read discussions in other Home Theatre categories Digital TV DVD Players Set-Top-Box HDTV ReplayTV Satellite TV Tivo !