Originally Posted by Eddie E
My 60GT50 is 7 years old and I have not experienced a noise issue. But I'm wondering if it's not just a matter of time. I would like to tighten up the mentioned screws but I don't know where to start and what to look for. I never had the back off. Is there a diagram of some sort that shows the screws that need to be tightened? Thanks
It's actually easy, just a bit tedious. I googled for Panasonic 50GT50 Service Manual but only found one for the TC-P60GT50 Service Manual at manualslib and downloaded it. It was helpful in pointing out all the screws that need to be removed to get that cover off (which basically is every screw you see on the whole back ha ha).
I think this is the direct link:
The Board Layout diagram is on page 6. Note the SC board's location - this was my offender (as well as many other owners).
Go to page 19 and you'll find "9.2. Disassembly Procedure for the Unit"
The screws are soft so be careful not to strip the phillips slots when loosening or tightening. Use the right size driver that fits snug into the slots. They strip easily.
Tip: I also used a magnetized screwdriver - that makes it much easier to keep track of these little screws so they don't drop and get lost. It also makes it easier when re-assembling - just stick the screw onto the end of the screwdriver to get the screw started. It's hard with bare fingers cause they're so small and droppable. They're easier to guide into place and start with the magnetic screwdriver.
Tip: The rubber feet under the pedestal base are very grippy and make it hard to turn the TV around, so i put a small towel under the base - it makes it much easier to slide/swivel/turn the TV on it's base when it's sitting on the table. (I've also used this trick as a poor-man's-table-swivel for relatives who like to turn their TVs to face other parts of the room - especially handy on narrow viewing angle LCD TVs heh heh).
Remove the stand bracket cover from the back of the TV - but only remove the 4 small screws along the very top and the two bottom corners. The manual says to remove the 4 (larger) stand screws in the middle area but i left them alone since i kept the TV sitting upright on it's stand, so there was no need to unbolt it. I also removed the adjoining pedestal tube cover (one center screw on top) but i think maybe that one wasn't necessary. Put the screws and cover(s) in a baggie.
Remove the Bluetooth module near the bottom w/ 1 screw and put it all in a baggie.
Remove the Wi-Fi/Lan module near the bottom w/ 1 screw and put it all in a baggie.
Remove the 2 screws and the plastic ring surrounding the power cord receptacle clamp and put it all in a baggie.
Remove the two screws to the left of the SD card (i think these had lock washers on em). They are larger than the others so i put them in their own separate baggie so i don't mix them up with the others.
Before you start removing that rear cover, be aware that the edges are really sharp - almost knife like, so don't slide your hands along that edge cause it will cut you. Almost got me a few times so i had to concentrate. Think of it as removing a giant 4 foot square razor blade LOL and handle it very gingerly.
Ok now you're ready to remove the cover. Look at diagram "9.2.6. Remove the Rear cover" and see all the arrows pointing to all the little screws you're going to remove. It's a lot. And remember they're soft.
Starting at the bottom, remove the screws around the perimeter and work your way up. You can pull the bottom away as you go to check if you missed any screws (there was well over a dozen on mine, maybe even more on your bigger TV). And my top 2 middle screws had blue locktite on the threads, but none of the other screws did. Just those 2. These were the last ones i removed cause they're in the center and made it easy to support and lift the cover from the bottom with my other hand. I stuck these screws in their own baggy. Remember these 2 when you re-install the rear cover.
Just snug all the board's screws down till they're tight. Don't crank them down hard, just tighten them till they stop (you'll feel it). I tightened every screw i saw including all the various non-board screws too.
Installation of the cover is the reverse of removal. The whole job took me less than 20 minutes.