RCA Female to S-Video Male converter with an EasyCap?

Purchase and install reverse adapters.

Component input, 1 front and 2 rear S-video inputs, and 2 rear composite inputs

You can use this:

https://www.quill.com/insten-vga-to-s-video-3-rca-male-female-adapter/cbs/50022476.html?cm_mmc=SEM_PLA_NONRLSA_50022476&mcode=SEM_PLA_NONRLSA_50022476&gclid=CjwKCAiA-KzSBRAnEiwAkmQ156GEbyOGUpV4AgGWOXCAOPhxeBJE5E-_-VQVH0Wv9Z8iX--LZv8iOhoCEbsQAvD_BwE&gclsrc=aw.ds https://www.quill.com/insten-vga-to-s-video-3-rca-male-female-adapter/cbs/50022476.html?cm_mmc=SEM_PLA_NONRLSA_50022476&mcode=SEM_PLA_NONRLSA_50022476&gclid=CjwKCAiA-KzSBRAnEiwAkmQ156GEbyOGUpV4AgGWOXCAOPhxeBJE5E-_-VQVH0Wv9Z8iX--LZv8iOhoCEbsQAvD_BwE&gclsrc=aw.ds

There are several "line" inputs that should work.you will need an adapter to go from 3/5mm [1/8" phone] to RCA Stereo. This can be a cable with Male 3.5 mm stereo on one end and two RCA male on the other, or a 3.5 M-M cable plus a 3.5 female to RCA male adapter. or a stereo M-M RCA cable with RCA F to 3.5 Male...
If you have easy access to the back panel, plug into and use the CD/Tape [IN]. Or you can simply plug the RCAs into the front L and R audio and use that input sans video.

You need a 3.5mm (looks like head phone cable jacks) AV cables right? Ebay is a likely bet. its actually 2 cables for input and or 2 cables for output
If you want to use these cables for output to another tv (or home stereo) these are 3.5mm to RCA (male to male) Video Out Audio Out
or if you want to input an audio video source like a game console. these are 3.5mm to RCA (male to female) Video In Audio In
hope it helps
~good luck!

Since your receiver does not have a USB input, you will have to use the RCA auxiliary front inputs, and select fake surround to listen to it through all 6 speakers. Use the headphone output from the IPOD. You will need to buy a miniplug/miniplug cable and a adapter with a female miniplug and male RCA connectors, unless you are lucky enough to find a cable with a male miniplug on one end, and a male RCA on the other.

Thanks for update. 
Can you please post image of that small box as its some thing new to me which takes standard RCA composite video and gives  out direct to USB port? Does this box digitize the audio-video signal for USB?

" The EasyCAP takes red, white, yellow RCA (also offers 'S' video connector but as my material is standard VHS, I have ignored this) through a small box to USB which connects directly to a USB port on the laptop."

You need Male RCA plug.

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Hi,

Your Panasonic TC-26LX20 26 will only allow video inputs through the:
1. composite video/audio input ( RCA phono x 3 ) - front or rear
2. S-Video input ( 4 pin mini-DIN ) - front or rear
3. component video input ( RCA phono x 3 ) - rear
4. HDMI ( 19 pin HDMI Type A ) - rear

Depending on the output(s) available from your PC, you can use any of the following:
a. the yellow RCA female
b. S-Video output ( 4 pin mini-DIN )
c. VGA (which normally goes to the monitor) but would require a VGA/HD to HDMI Format Converter such as the one here

Should this be not enough information, please post back with what PC brand/model that you have. Additionally please specify what Video Card are you using if your PC is a desktop.

Good luck and kind regards.