Question about Apex Digital (AL-A300ATX) 300-Watt Power Supply

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Receiving no signal with converter box

I have an older tv with only the video (yellow) and audio (white) so I have a rf modulator which connects my tv to my dvd player. I am trying to hook up my apex digital tv converter box (dt250a). I turned on the converter box; hit the menu button; ran the auto scan; and receive no signal. This manual is of no use. How do I hook this up and get a signal?

The "What product is it about?" would not allow me to choose the correct product so I typed it into "Your Problem:" section of this website.

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  • tommya300
    tommya300 May 11, 2010

    from the antena to the box from the box to the cable input for the antenna. go simple and get that working before going anywhere

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Where is the "no signal" coming from, the converter box or tv? If tv then unplug the dvd player and plug the plugs into the converter so the wires go from the converter into the rf modulator. set the tv up to watch dvds and try your channel scan gain. If it works then post again and we'll figure out the best way to connect the converter and dvd to the tv.

Posted on Jul 30, 2009

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RF MODULATOR HOOKUP
For a TV with only a RF input jack, a RF Modulator can be used to hookup DVD players, DVD recorders and other devices which output RCA composite video and audio. For example, analog cable TV can be connected using a RG-6 type coaxial cable to a VCR or older DVD recorder's analog cable ready tuner RF input. Then as shown above, the output can be connected to the TV thru the RF modulator. The modulator outputs on channel 3 or 4 for the older TV so the TV is set to channel 3 or 4. Some RF modulators are built-in to Audio/Video switch boxes. These allow multiple RCA inputs along with RF input.

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You do have the option of using the 75-ohm coaxial cable inputs. Signal comes in from outside to the 722k, Output of the 722k to the 75ohm coax input on the back of the TV. Tune your TV to ch. 3 or 4. Make sure the switch on the back of the 722k is set to the same.

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