Some may find the following to be interesting, regarding firmware, and using an LN-T4065f as a HTPC "monitor".
I purchased an LN-T4065f ~5 years ago, while they were relatively new. The installed firmware is as follows:
I liked this screen so much, that when I decided to turn my basement into a "sports viewing room", I paid more than I should have to buy a second LN-T4065f about 18 months ago, simply so I could have *symmetry* from one side of the "viewing area" to the other. It's firmware is as follows:
I recently purchased a Home Theater PC with a Ceton InfiniTV to feed all of these screens *games*. I hooked the PC directly up to the older LN-T4065f via HDMI, and am powering other screens with WMC Extenders/Slingboxes/ect.
The (older) TV "glitches" multiple times an hour. The screen will turn static, and then green lines appear, and either the entire screen turns blue or it just keeps blinking green staticy lines. When I hooked the HTPC up to the "new" LN-T4065f, the *glitch/problem* never occurs.
After testing various HDMI cables, updating drivers, etc, I'm convinced that the issue/difference is the TV firmware. The "older" firmware does not work well with (at least my) HTPC HDMI connections. The new one works great.
I haven't yet decided if I"m going to try to update the first one, or just swap screens and keep on keepin' on. FYI for anyone interested, and if anyone has any thoughts/experience regarding updating that older firmware to the latest, please share.