What Is The Right Way To Connect A Projector To A TV?


With the increased advancement in technology, more people are now looking for ways to increase their viewing screen. A few years back, this endeavor would have warranted the purchase of a bigger TV but now nowadays all you need is a projector and your old TV. You can now use digital projectors to watch movies, televisions or overhead tutorials.

For you to connect a projector to your TV, you start by reviewing its output capabilities. Old TV models will not have an outgoing video connection but the new models will have color coded plugs which resemble headphone jacks. The color coded plugs are referred to as ‘Video Out’ connectors. In case there are no color-coded plugs look for a single plug labeled ‘S-Video’. You can also connect the projector to your TV via a cable box, Blu-Ray player, DVR or VCR. Below are some of steps you need to follow in order to complete the connection successfully:

Identify Available Connections

The first step involves locating the Video-out connectors at the back of the TV. Each connector will have a labeling indicating which type of cable to plug into the available connectors. If there are no connectors, you can connect the projector to the TV through your DVR, cable box, Blu-ray player or VCR.

Television connectors

You’ve already identified the connectors at the back of the TV, the next step involves locating compatible ‘Video In’ connectors. Search for connectors that are similar to those on your TV.

Determine the Type of Cable connection

Projectors are compatible with numerous media devices, which means that they have more than one way to connect it to a media device. The mode of connection will obviously vary depending on the media device being used. With this in mind, you will need to identify the type of cable to use.


HDMI connections are available in almost all projectors and TVs. Most display electronics will have HDMI ports. It has become one of the standard ways to connect display electronics due to its high quality signal combined with the ability to transmit both video and audio signals.


This is a connector that is common in laptops, desktops and analog TVs. Newer TV models do not support VGA connections.

Composite Video

It is an analog connection that typically consist of 576i standard definition resolution. Composite video is not ideal for digital video signals.


This is also an analog video signal whose standard definition resolution is 480i or 576i. Unlike composite video, S-Video carries color information and brightness as two separate signals. This means that the video quality of S-Video is better than that of Composite video.

To connect a projector to your TV via HDMI will require a video player or set-top box. Both the TV and projector are video displays and thus have no HDMI output.

Connecting Cable TV to a projector

Step 1

Power down both the projector and cable TV box. Allow the projector to cool before connecting the necessary cables.

Step 2

Take one end of the HDMI cable and connect it to the ‘HDMI IN’ port on the projector.

Step 3

The other end goes into the ‘HDMI Out’ connector on your cable TV box.

Step 4

Power on the projector and the cable box.

Step 5

Your projector should detect the HDMI connection if not, change the ‘Video Input’ to ‘HDMI’. This can be done manually by pressing the ‘HDMI’ button on your projector or via the video input menu.

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