Splice HDMI to RCA Cable Wiring Diagram

If you’re looking to connect your HDMI device to an older TV with RCA inputs, you may need to splice your HDMI cable to an RCA cable. This process can seem intimidating, but with the right tools and a little bit of know-how, you can easily connect your modern media player to an older television. In this article, we will provide a step-by-step guide on how to splice an HDMI to RCA cable, including a wiring diagram to help you along the way.

What You’ll Need

Before we get started, let’s take a look at the tools you’ll need in order to splice your HDMI to RCA cable:

  1. HDMI to RCA converter box
  2. HDMI cable
  3. RCA cable
  4. Soldering iron
  5. Solder
  6. Wire strippers
  7. Heat shrink tubing
  8. Electrical tape

Wiring Diagram

Before we begin splicing our cables, it’s important to have a wiring diagram to guide us through the process. Here is a wiring diagram that will help you visualize the connections you’ll be making:

HDMI Connector RCA Connector
Pin 1 (TMDS Data2+) Not Used
Pin 2 (TMDS Data2-) Not Used
Pin 3 (TMDS Data2/4 Shield) Not Used
Pin 4 (TMDS Data4+) Not Used
Pin 5 (TMDS Data4-) Not Used
Pin 6 (TMDS Data4/5 Shield) Not Used
Pin 7 (TMDS Data5+) Not Used
Pin 8 (TMDS Data5-) Not Used
Pin 9 (TMDS Data5/3 Shield) Not Used
Pin 10 (TMDS Data3+) Not Used
Pin 11 (TMDS Data3-) Not Used
Pin 12 (TMDS Data3/1 Shield) Not Used
Pin 13 (CEC) Not Used
Pin 14 (Reserved) Not Used
Pin 15 (SCL) Not Used
Pin 16 (SDA) Not Used
Pin 17 (DDC/CEC Ground) Ground
Pin 18 (+5V Power) Not Used
Pin 19 (Hot Plug Detect) Not Used

Step-by-Step Guide

Step 1: Strip the Cables

The first thing we need to do is strip the HDMI and RCA cables so we can expose the wires inside. Use your wire strippers to strip about 1 inch of insulation from each wire on both the HDMI and RCA cables.

Step 2: Connect the Ground Wires

The next step is to connect the ground wires. Find the wire on the HDMI cable that is labeled as DDC/CEC Ground on the wiring diagram and connect it to the ground wire on the RCA cable using a small piece of solder. Cover the connection with heat shrink tubing and use a heat gun to shrink it into place.

Step 3: Connect the Remaining Wires

Next, we need to connect the remaining wires. Follow the wiring diagram and connect the wires from the HDMI cable to the corresponding wires on the RCA cable using solder. Cover each connection with heat shrink tubing and use a heat gun to shrink it into place.

Step 4: Test Your Connection

Now that we’ve completed the splicing process, it’s time to test our connection. Plug the HDMI end of the cable into your device and the RCA end into your TV. Turn on your TV and select the input that corresponds to the RCA connection. If everything has been done correctly, you should be able to see the image from your HDMI device on your older TV.

Step 5: Finishing Up

Once you’re sure your connection is working properly, use electrical tape to secure the wires and prevent any accidental disconnections. You can also use zip ties to bundle the cables together and keep them organized.

FAQ

Is it possible to splice an HDMI to RCA cable without soldering?

While soldering is the most reliable way to splice the cables, it is possible to do it without soldering. You can use crimp connectors or wire nuts to connect the wires together, but keep in mind that these methods are not as secure as soldering and may result in a less stable connection.

Can I use a converter box instead of splicing the cables?

Yes, you can use an HDMI to RCA converter box instead of splicing the cables. These boxes are relatively inexpensive and can be found online or at electronics stores.

Will splicing my HDMI cable to an RCA cable affect the quality of the image?

Yes, splicing your HDMI cable to an RCA cable will result in a loss of image quality. RCA cables are unable to transmit HD signals, so the image quality will be reduced to standard definition.

Can I splice an RCA cable to an HDMI cable?

No, it is not possible to splice an RCA cable to an HDMI cable. RCA cables are unable to transmit the high-speed digital signals that HDMI cables are capable of carrying.

Is it safe to splice my HDMI cable to an RCA cable?

Splicing your HDMI cable to an RCA cable is safe as long as you take the proper precautions and follow the instructions carefully. Make sure to use heat shrink tubing and electrical tape to cover the exposed wires and prevent any accidental connections.

With this article, we hope that you’re feeling more confident about splicing your HDMI to RCA cable. Remember to take your time, follow the wiring diagram carefully, and use the proper tools to ensure a successful connection.