Sharp aquos LC-40LE810E

[budm]

Re: Sharp aquos LC-40LE810E

Service manual from ELEKTROTANYA.
Need to start checking Voltages.

[freakaftr8]

Re: Sharp aquos LC-40LE810E

Without the service manual the only thing I've managed the drum up on the interwebs is that code 2 - 2 is some unknown power supply failure. Let's not double down on that yet until we find out from the service manual

[budm]

Re: Sharp aquos LC-40LE810E

It does look like 2-2. I did not get the service manual to see what the code 2-2 is yet.

[freakaftr8]

Re: Sharp aquos LC-40LE810E

Look at the video that's an interestin blink code.. that's like 2 - 2.

Led failures are 1 - 1 blinks. Meaning one long and one short blink.

Tcon and panel failure is two long, five short blinks.

You're getting two short blinks. Now this could be code 2 - 2. I'm not sure. Unless we are really seeing 1 - 1. Then that would indicate led failure or backlight failure as sharp would put it.

[Nightmare0]

Re: Sharp aquos LC-40LE810E

Hello

Sorry it took me so long. I fall asleep after night shift. Here I uploaded some photos of power supply and mainboard. I hope you can see everything you need. If not, just let me know. I will try to take better photo.

Here is video of flashing led.

https://sendvid.com/6uwvzgz8

When I hit menu button on front panel, it won't change anything.
If I am correct it should be power supply error. But I don't know how to get some secondary error.

I tried to start tv and to measure voltage on led output. But I couldn't measure anything. I can try to measure it again.

[freakaftr8]

Re: Sharp aquos LC-40LE810E

yes as budm said please upload pictures of the back of the TV I worked on one of these before. Actually I worked on quite a few of them. You may have led failure if you have one long one fast blink. this model is plagued with LED failures in the strips. mostly the upper right hand LED burns out on the right top side strip of the TV. before jumping to conclusions so I should recommend that you test to make sure that your power supply is attempting to output dc voltage to the LED strips.

worst case scenario you have to remove the bezel and the lcd panel and all the diffusers to access the led strips.

[Nightmare0]

Re: Sharp aquos LC-40LE810E

I just found service manual online. I found out, that I have to push menu button to get secondary flashing. It was said to use remote control. But I don't have any. I hope, i can use menu button on front panel, can I?

[Nightmare0]

Re: Sharp aquos LC-40LE810E

Hello

Thank you for your quick answer.
Led is flashing only maybe 1 second flash, 1second flash 1 second pause. I will upload some video, so you can see it by yourself and we can avoid misunderstanding.

When I hit power button on touch panel, tv seems to trying to start up. I can hear change noise from power supply but led won't light up. After maybe 10 seconds tv will go back to flashing.

Unfortunately, currently I am at work. I will make you video of flashing, photos of all boards.

[budm]

Re: Sharp aquos LC-40LE810E

Please up load good clear pictures of the whole back side of the TV so we can see all the boards, then the pictures of each board.

[freakaftr8]

Re: Sharp aquos LC-40LE810E

Is it one long flash followed by two short flashes and over and over again?

[Nightmare0]

Hello

First of all I am not professional and not native English speaker. So sorry in advance, if I don't understand something on first time. I have basic electronic knowledge, multimeter, soldering iron and skill. I have a lot of experience in xbox repair, modifying, ....

I have Sharp LC-40LE810E tv.
I think there is faulty power supply. I found a lot of threads here but I couldn't resolve my problem.

When no try to turn on my tv, it won't start. It won't even light up led tubes. I can hear some coil noise from power supply. There is only flashing middle blue triangle (standby probably) led.
It is flashing like. Flash, flash, pause. And again.
I tried measure both led tubes, I am getting same resistance on both of them, so I assume tubes are good. When I try to measure led tubes output I am not getting any voltage. I was checking there aren't any leaking capacitors.
I tried many reset tv combinations, it didn't helped. Optically I can't see any damage or burned parts.

Could you guys guide me what to measure or try to find fault? Or at least help me to figure out what part is wrong, so I can buy some power supply replacement.
I will provide any pictures you will need, just let me know and I will provide everything needed

Thank you