TCL 65S450F no logo, bleeping sounds?

[nomoresonys]

I hear that, it's sick, the more people agree to tax hikes and usually just greedy renewals that they seem to want every year. I don't like to pick on the library but its the first thing that came to mind. They just rebuilt every library like mostly ground up, every library in the area and now they have another tax up for vote already. They did the same damn thing for the schools, tore m all down and rebuilt every one and I'm pretty sure some of m were only 20 years old. It just seems like a waste. I seldom use the library and haven't used a school in a long long time. Got to turn them down sometimes so we can at least eat, forcryingoutloud small exaggeration for effect but I think we're getting ripped off. Certain taxes are a necessary evil naturally, I just wish they kept strict watch on where the money goes because someone must be lining their pockets with gold.

[CapLeaker]

[QUOTE=nomoresonys;n3329059]A thought is, with tcl being "kinda" unpredictable, it might not be a bad idea to have a backup mainboard if the price is decent ala post # 67. I see they ship to Canada, looks like around 45 CAD shipping included.[/QUOTE

I am not paying any more tax Dollars to our Liberals than I absolutely have to. Lately I am cheaper than @$$. Could I? Sure, no problem. Do I want to? No! Only if absolutely required.

[nomoresonys]

A thought is, with tcl being "kinda" unpredictable, it might not be a bad idea to have a backup mainboard if the price is decent ala post # 67. I see they ship to Canada, looks like around 45 CAD shipping included. Plus tax of course, must have subconsciously forgot to mention tax, hate tax, tax tax and don't forget the tax on the tax.

[nomoresonys]

Indeed, that would be cool, I'm not sure whats up with tcl but I was looking at how to manually update with usb on these recent models and didn't see any defined instructions. I might not have looked deep enough tho.

[CapLeaker]

Well by George I think that's it, I looked at those and they match both the sticker # and the board # that is right by the sticker #, I think they will work. The picture in post # 66 is your board right?

Yes. That pic is my board. I did notice the right LVDS cable being in there crooked. Anyway… I'll figure it out, but if it is just a flash… would be even a no parts required repair!.

[CapLeaker]

Yup, looks like I found another of this same board that goes to a 43 inch. It's definitely the one you need then.

https://www.ebay.com/itm/25659833730...mis&media=COPY

Obviously after trying to test panel or tape method maybe

Yeah, the 3800-001002 is the same for 55” and 65”. So unless the panel is short, this TV is a going again.

[nomoresonys]

Well by George I think that's it, I looked at those and they match both the sticker # and the board # that is right by the sticker #, I think they will work. The picture in post # 66 is your board correct?

[EazyBone]

Yup, looks like I found another of this same board that goes to a 43 inch. It's definitely the one you need then.

https://www.ebay.com/itm/25659833730...mis&media=COPY

Obviously after trying to test panel or tape method maybe

[CapLeaker]

Doesn't even show your TV on SJ.

Did you try disconnecting one ribbon at a time yet

Nope. I just went down to see the main board number, but I'll get there…
put in that 30800 number in SJ and that one came out of a 55S450F. So mine and theirs had the identical number, even so mine is a 65”.

[EazyBone]

Pretty sure you need to match up that exact number to your tv.. so that would be the correct replacement if that is actually the correct board for the TV. Weird

[EazyBone]

Doesn't even show your TV on SJ.

Did you try disconnecting one ribbon at a time yet

[CapLeaker]

Do my burning lil eyes see a TTL port on the back of the main board that waits for me to be mutilated? Interesting. I might have to try that!
Something else. I did open up the back of that thing to the the 30800-001002 number printed on the main board. Well, supposedly on SJ, TCL uses the same main board number on a 55S450F? Does this work on a TCL?

[CapLeaker]

The only satisfaction you will receive is from destruction. Of course after you confirm it's a panel problem.. no reason to not get a near free $500 TV if it's just a main board replacement

I was almost there today... ALMOST!

[CapLeaker]

Was thinking about one of these, my 15 $ gm328a component tester is surprisingly accurate, so maybe in theory one of these might actually work: https://www.ebay.com/itm/16653238342...58QA8X3HTMM88T

I've got an older DSOX Agilent 100Mhz oscilloscope. I already had to fix the power supply in it... there should be a thread about it around here somewhere.

[CapLeaker]

I have various mystery sets that I drag out when I feel like torturing myself. They drive me nutz, I actually fix one once in a while and it gives me a warm fuzzy feeling.

Hahaha... I do that too. I have a rainy day pile. \

[EazyBone]

I am torn both ways. One way because I already invested in my eyes unnecessary time into it, but jet the other way too. Maybe it is just a flash fix.

The only satisfaction you will receive is from destruction. Of course after you confirm it's a panel problem.. no reason to not get a near free $500 TV if it's just a main board replacement

[nomoresonys]

Was thinking about one of these, my 15 $ gm328a component tester is surprisingly accurate, so maybe in theory one of these might actually work: https://www.ebay.com/itm/16653238342...58QA8X3HTMM88T

[nomoresonys]

If the panel is shorted, it would be the shortest lived panel I've ever seen with something like 0.1 hrs of on time.

With china cranking them out, it's very possible. They don't care of course, hence the children's pull toys painted with lead paint, drywall in the medicine etc. etc.

[nomoresonys]

I have various mystery sets that I drag out when I feel like torturing myself. They drive me nutz, I actually fix one once in a while and it gives me a warm fuzzy feeling.

[CapLeaker]

Well that's good, have to give them one good mark for not making you drag it back to them to prove it's bad. From what I read, I think a recent update was buggered and gave a lot of tvs the blank screen. I bet you can solve it, hope it isn't a bad panel.

If the panel is shorted, it would be the shortest lived panel I've ever seen with something like 0.1 hrs of on time.