When plain text is not available, you "SHOULD" check the files section. There are many files here.
Pick any of these CCFs and use ProntoEdit (available from Pronto, not ProntoNG files section) to examine/copy the Pronto Hex.
[Link: remotecentral.com]There are also discrete code entries for JVC TVs that may work for your model and can be found here.
[Link: remotecentral.com]