The video 4 inputs are not working. I am trying to remove the cover to access them. There are slots to pry, but seems extremely difficult. I do not want to break it. And I missing something, such as a sett screw.
You have to remove the entire rear case to access the video input(s) panel. There are quite a few screws. Be careful when removing the case because there is an internal wire connected from the inside back of enclosure to the main power board.
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Im not an expert but have a vizio as well. For me the usb never showed up until going into menu settings and resetting it all. The good thing about vizio products (I don't work for them, just have had to call) is the support line 1 (877) 698-4946, they actually answer and can work it out. Hope that helps!
To get the back off, remove the 4 visible screws on rear side of the cover. You'll then see that its attached at the flash holder. Don't try and force it, there are 2 hidden screws underneath the external flash slot. To access them, you need to slide back the thin metal cover. Place a small screwdriver at the front of the square which holds the external flash and try to push back the metal plate. (I found this by accident having spent hours trying to the back off). It comes off very easily.
Once the back cover comes off you need to remove the 2 ribbon cables and 2 sets of wires. The ribbon cabes come easily once you push down on the small black blobs either side of the cable.
You will need to remove the back of the TV. Don't worry, it's not that bad.
There are 4 screws across the top, one on each side on the bottom toward the front, one right next to
where the power cord goes into the back of the case, and the two more
by all of the video connections **These are the most important to
remove because they attach the main board to the back of the case.
Once you have remove the screws then the entire back of the set will
slide off. If you look where the power cord attaches to the board you
will see a small fuse. This is a 6.3 Amp 125 volt fuse. You can replace
it with a 6.3 Amp 250 volt fuse from your local Radio Shack. A four
pack costs between $3 and $5.
Make sure that you check that it works before putting it all back
together. Check for any loose connection cables while you're back
there. I found a few when I did this.
Panasonic MC-E 450UK upright vacuum cleaner.
Just had this problem myself...........easy to get at it when you know how.
Panasonic UK wouldn't help me so I spent some time working it out..........here it is.
Remove the hose from its mounting storage at the rear (called hose clip) where the main body of the vacuum cleaner meets the base of the handle assembly. Remove the screw at the rear of the handle assembly which is behind where the hose 'was' situated and is located inside the deep recess.
Using the soft part of your clenched hand as a hammer, knock the base of the handle assembly at the front and it will slide backwards off the main body of the vacuum cleaner. Don't be scared, give it a thump and keep moving it backwards with a few more knocks.
Next remove the two screws at the front which hold the mains cable and on/off switch cover in place.
Finally looking from the rear once more, lift the plastic 'lug' at the top of the cover and which is part of the cover. This will now allow you to release the cover and pull it forward.
There you go! Told you it was easy!
Watch out for the funny little spring at the front behind the cover in the tiny plastic tube where it connects to the small rubber tubing as it could possibly try to escape.
You now have complete access in order to cut the intermittent part of the cable out and remove it from the 'choc' block.
The platic "lug nut" covers have to be removed to access three screws on each wheel. They are hard to get off without breaking them. If you look carfully you well see that is a tab on two sides of each "nut". They have to be compressed to release. After breaking two, I found that a narrow xacto blade can be pushed into the tab slot on one side. A put pressure on the blade so that the tip forces the tab toward center of the nut. A slight twist should pop on side free. The other side will come free easier. There are five on each side. Only the front and the two in rear have screw behind them. Once you remove the "nuts", and the wheel, the other screws are obvious. Two under each wheel. Two at the top of the cover and two on the video input board.
If you are saying the tuner input (coax) on
the back of your tv does not work,but the video
inputs do==then I suggest you use the yellow,
red and white output of the Charter box into
a video input on the tv. This kind of hook-up I call a tuner by-pass.It is an excellant diagnostic tool used on field service calls.
Hope it helps.
On a Panasonic to do a factory reset while the set is on press in on the power and action buttons on the front of the TV at the same time. In a few seconds the screen shouls go blank and come up with a screen that says "CHK" in the upper left hand corner. Once it does that press the action button again to clear the screen. You have now reset the TV to factory settings and will have to re-program the channel memory once again. Hope that works...