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How to get my cable tv to work on my lcd tv

I have hooked a mod to the tv and have a home entertainment center added to it as well but dont know why my cable is working the tv says no signal please help

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  • Anonymous Mar 17, 2014

    I have a Proscan PLCD3992a tv that is only 14 months old and out of warranty. I have a "No Signal" no matter what input I try. I have swapped out cables as well as hooking it up to my other cable box that is working. Still I get no signal. Looking online it appears to be the mainboard. I'm looking for a place to buy the mainboard for this TV. I did speak to someone at shopjimmy.com, but they don't have my exact board for this model TV. I'm not sure where else to try. Looking for a source for the mainboard for this TV.

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If using Coaxial cable from CATV box to the anolog antenna input, you need to be on Ch3 on the analog tuner, not digital tuner. If using a modulator, make sure its set to ch3 output also. If you are using RCA style jacks, you should not run a modulator. Make sure your TV input matches your choice of jack inputs in the back. Normally, I use the yellow RCA out of the CATV box to the yellow jack of AUX input on the back of the TV and the r/w leads to the aux input of the receiver. so you get Stereo amplified sound from any channel the CATV box is tuned to. If you have an AV switching receiver, it will have multiple inputs on the back and a single yellow monitor out that goes to the LCD TV. All changes if you are using a HD CATV box, that will have its own HDMI or DVI out and your LCD TV will have the same input, then you can attach the variable out or audio outs on the back of the TV to the receivers inputs, that way you have a little control of the audio level with your TV remote control (if using variable audio outs)

Posted on Dec 01, 2008

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