Kogan KALED463D1ZA

[dkneyle]

TV is about 18 months old and is actually my own! Curses!
Last night it began to throw up the attached distortion on any video image. What look like white raster lines. There's also other artifacts in the white bar that gets overlaid on top of the regular image (which on program material is still quite visible). For example the floating 'No signal' bar can also be seen coming through in the distorted area.

I'm thinking T-Con (if it has a separate one). Before I pull the back off, what do others reckon?

[tw2005]

Re: Kogan KALED463D1ZA

TV is about 18 months old and is actually my own! Curses!
Last night it began to throw up the attached distortion on any video image. What look like white raster lines. There's also other artifacts in the white bar that gets overlaid on top of the regular image (which on program material is still quite visible). For example the floating 'No signal' bar can also be seen coming through in the distorted area.

I'm thinking T-Con (if it has a separate one). Before I pull the back off, what do others reckon?

I reckon you should upload a picture. Sounding like panel if it's the same KALED463D1ZA POS I have stripped down.

I guess we're talking lot of white lines, panel bleeding and slow to refresh/

It's a Samsung panel and I have not wasted money on it as from what I read there appears to be a lot of 46" Samsungs with dead panels.

[tw2005]

Re: Kogan KALED463D1ZA

if this is only 18 months old, try the new consumer laws where although it's wty has run out , it is expected to last a reasonable time.

18 months is not a reasonable amount of time I would think. you'd have look it up with your local consumer affairs

[dkneyle]

Re: Kogan KALED463D1ZA

Have uploaded image now. (For some reason I had to go to another computer to do so.) Other than the lines at the top of the image all other seems OK. The proper picture is still there and working OK. That's why I'm wondering about the T-Con? And if they are Samsung panels then hopefully I can source a T-Con for it.

[nomoresonys]

Re: Kogan KALED463D1ZA

try a tcon, if you can get one reasonable, like tw205 said, it should be expected to last a reasonable time, I believe you can go back on the store that sold it to you also, worth checking out, research it, the store might try to say you can't, but of course they will try to get out of it, I think it's the lemon tv law or something to that effect, hope it's a worldwide law, good luck.

[tw2005]

Re: Kogan KALED463D1ZA

I'll do you a deal. If you decide not to chase out of wty (personally I would at 18months)

I'll post you my tCON and if you have the exact same image then it's panel because mine is the reverse with 90% of the panel like the bad area and a small section at the bottom normal. I'm thinking of selling these boards so you'd have to send it back once done.

these TCONS are not off the shelf samsungs either.

When I get some battery power I'll take some shots but i went looking for a board and looking like china is about the only place from something else.

full of good news are'nt I!

Wish you had a differet problem, would love to sell these boards but I think anyone with these will end up with same problem.

[dkneyle]

Re: Kogan KALED463D1ZA

Just checked and it's been closer to 2½ years since I bought this TV so I'd probably be pushing it to get a warranty claim out of it.

I'll PM you TW2005 to see what we can do re the T-Com swap out.

Still would appreciate any feedback from anyone out there if they agree that it's likely to be a T-Con fault.

[tw2005]

Re: Kogan KALED463D1ZA

Just checked and it's been closer to 2½ years since I bought this TV so I'd probably be pushing it to get a warranty claim out of it.

I'll PM you TW2005 to see what we can do re the T-Com swap out.

Still would appreciate any feedback from anyone out there if they agree that it's likely to be a T-Con fault.

No worries, post some shots soon. It would be a nice surprise if TCON then I would track one down. We'll find out this way I reckon once and for all.

[tw2005]

Re: Kogan KALED463D1ZA

Also, just noticed mine is a KALED463D1AD so you may want to pull the back off just in case they used different panel / tcon

[tw2005]

Re: Kogan KALED463D1ZA

personally i'd expect the TCON to affect the whole panel but i generally don't touch LCD.

[nomoresonys]

Re: Kogan KALED463D1ZA

I think I read on lcd if the fault moves its more likely the tcon, if its stationary it could be panel fault, but tab bond faults may also move.

[budm]

Re: Kogan KALED463D1ZA

That looks like bad panel too me, bad TFT drive ICs on the flexible PCB.

[dkneyle]

Re: Kogan KALED463D1ZA

That looks like bad panel too me, bad TFT drive ICs on the flexible PCB.

Budm; We are dealing with two TVs of almost identical models. My fault is the original post. Then TW2005 has one with the considerably more deformed images. When you suggested bad panel, are you referring to both TVs or just his?

We are going to swap T-Con boards and see if we get different results (provided the boards are compatible).

[budm]

Re: Kogan KALED463D1ZA

refer to TW2005.

[tw2005]

Re: Kogan KALED463D1ZA

refer to TW2005.

Actually I think they both have the same issue, just that the OP TV has not deteriorated to the same extent as mine but those white lines/bars he has is exactly what mine is doing.

As that no signal lands the vertical just starts going white the same width as the no signal image and the images becomes opaque, then when it moves again the same starts to happen and the previous white band very slowly bleeds off.

the very bottom 1-1.5 inches of my panel still displays normal

[dkneyle]

Re: Kogan KALED463D1ZA

OK. Opened her up tonight. The panel number is Samsung LTA460HQ12 and the T-Con is SD120PBMB4C6LV0.0

The white distortion band has doubled in height, now taking up almost half the screen. My son informs me that he started the TV a few days OK and it wasn't there, and then it was, so it does sound intermittent.

Am going to swap T-Con boards with TW2005 to see if we get any different results.

Whilst the TV is actually 2½ years old it has had VERY LITTLE actual use, because it is in the 'good room' and no one ever goes in there! So I'm very pissed off that it has failed.

[dkneyle]

Re: Kogan KALED463D1ZA

Well, we have exchanged boards with no change in behaviour, therefore we assume it is the panel that has failed. Budm suggests TFT drivers on the flexible board. Anyone know if that is a part that is sold as a separate item? It would seem that if one could obtain a secondhand part from a broken panel it would be the way to go.

[budm]

Re: Kogan KALED463D1ZA

The TFT driver ICs are on the flexible PCB which is part of the LCD glass panel assembly, so there is nothing you can do but replace the whole LCD panel.

[dkneyle]

Re: Kogan KALED463D1ZA

More landfill! I'll strip the good boards out, but otherwise it's $500 (new price) of junk after 2 years.

[dkneyle]

Re: Kogan KALED463D1ZA

Well, surprise surprise (as Gomer Pyle would have said). The TV was only 18 months old and Kogan have agreed to ship it back and will probably offer an exchange. They are a rebadger of technology that is having a lot of success here in Oz, although my experience with their products is fairly ordinary.
Anyway, I'm sure they'll offer me an exchange from their current range. They no longer have a 46 inch TV but they are about to ship a 50 inch TV. The specs say it uses an Innolux Panel, but I suspect that might actually mean that it's a re-badged Innolux TV. Anyone know the reputation of this brand?