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RE: Panasonic VT30 plasma HDMI port says no signal

Posted by cfraser on October 28, 2015 at 12:21:27:
First I wonder if some board connector just got jarred loose during when you (I assume!) moved the display for the reno. Or perhaps some work near the display, vibration, caused the same thing. It doesn't take much for some connectors, and for HDMI there is no leeway for anything the slightest bit wrong, it won't "partly work".

There has got to be some internal diagnostic, all plasma displays I've seen have them. You'll probably have to access the "service menu" to check that. Typically there are flashing (power) LEDs or such for larger problems, like PS or gross internal communication issues. I don't know the specifics for the VT30, for sure this info would be on AVS.

Are you the type who gets annoyed when any feature of your gear isn't working, even if it's something you don't use or don't absolutely need? I am... I ask because you do have ports 3 & 4 working. If you connect all your HDMI devices directly to the display (I get that impression), you could circumvent the problem with a 4-port HDMI switcher. One with HDCP (to be safe) is like $30-50 from monoprice, and the labor, never mind the new board cost, is going to be multiple times that. Accessing the boards in a typical plasma is pretty time-consuming. I would probably go the switcher route, and keep my eye out for a nearby (used/working) 55VT30 for sale to steal parts from. Or even just the needed parts alone, people often have a display where the screen part is broken/cracked.