You have the TH-42PX80UA, which your attached image shows. You must use TNPH0716AGS for this set, unless you also want to change the SC board to match, with complicated results.
You can read my adventure of using a TNPH0716S in a TH-42PX80UA here, which I corrected later by using the proper TNPH0716AGS.
There appears to be a board available on eBay that might fit your needs.
hello.. good info here..
Now i know what a board to look TNPH 0716AGS.. this board it hard to find.. i found 1 listing on Ebay Item number 220780584548 can u pls conform this is the right board i am looking for? Thank a 1K
O" how can i tell if my panel is bad..