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Is there a fix for my Hisense tv?

The led flashes 3x but the tv will not turn on. It just blinks the 3x over and over every 2-3 seconds. I already changed all the components in the back.

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Hisense TV Red Flashing Power Light Has Sound But No Picture

1. Why hisense TV red flashing power light has sound but no picture
There could be a few reasons why your Hisense TV has a red flashing power light but no picture. It could be an issue with the TV itself, the power supply, or the input signal. Let's take a look at each of these possibilities in turn.

2. How to fix hisense TV red flashing power light has sound but no picture

If your Hisense TV has a red flashing power light but no picture, there are a few things you can try to fix the problem. First, check to make sure that the power supply is plugged in and that the TV is receiving power.

Next, check the input signal to make sure that it is compatible with the TV. Finally, if the TV itself appears to be the problem, you can try resetting it.

3. What to do if hisense TV red flashing power light has sound but no picture

If your Hisense TV has a red flashing power light but no picture, there are a few things you can try to fix the problem. First, check to make sure that the power supply is plugged in and that the TV is receiving power.

Next, check the input signal to make sure that it is compatible with the TV. Finally, if the TV itself appears to be the problem, you can try resetting it.
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Hisense 75Q8G power LED white blinking

You're correct on your theory of defective backlights, it's a common failure on this model set, replace them and the set should work again..The service code you're getting is backlight issues
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Hisense 55R6E no picture /no sound

This model set had defective LED lamps from the factory and only lasted 1000 plus hrs...You can get lamps that will last from shopjimmy that will fix the issue for about $60 with shipping. Its not a hard job changing them, just takes some patience and care when handling the screen as it's extremely fragile on most lower price sets.
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Hi I have a Hisense Hl50K310PL tv. couple of days back it was switching on and the picture will come but after few minutes it will go but I checked the screen with a flash and it was working. from...

Okay you have a big problem this is common with a low-grade TV like that the LED lighting in the back of the TV has gone bad and perhaps the power supply could be causing this I attached a video so you can see an example of how this is fixed it's not easy to do you might need the resources of a shop to do it in the future steer clear of non brand TVs and I say this just as a suggestion hisense tv bad leds YouTube
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I have a Hisense led tv model F39V77C.

Yeah, replace the set since it appears to be trashed. But if you have a few bucks lying around you might want to try replacing the unit's power supply to see if that resolves the many issues you have.
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Sharp aquos

you can try resetting the tv by
1. unplugging it
2. pressing channel down and volume up buttons at the same time while plugging tv back in
3. if you here a click, the tv has been reset
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Aquos LC37D40U Blinking light and won't turn on

The power light is an error code that tells me exactly what is wrong with the TV. Count how many times the POWER led flashes per second? (Dont worry about the OPC led)

1x per second (constant steady blink) = bad inverters/lamps
2x per second = bad power supply
3x per second = bad main board

If its 1x per second, try doing the factory initialization to get the TV back on to confirm a bad lamp/inverter.

Try doing the Factory Initialization (WARNING: THIS GIVES YOU ACCESS TO THE SERVICE MENU. DO NOT ADJUST ANYTHING IN THE SERVICE MENU OTHER THAN WHAT I PROVIDE YOU IN THESE INSTRUCTIONS. IF YOU DECIDED TO ADJUST ANYTHING OTHER THAN WHAT I PROVIDE YOU IN THESE INSTRUCTIONS, I WILL NOT BE RESPONSIBLE IF ANYTHING WRONG HAPPENS TO YOUR TV.)

  1. unplug tv
  2. press and hold at the same time “Vol –“ and “input” button on the TV set.
  3. while holding those buttons, plug the tv back in
  4. the tv should turn on by itself, keep holding the buttons until the letter “K” appears. Then let go.
Once the TV turns on, take a look at the screen. Does it flicker then shut off? Or do you hear a buzzing noise from the right edge of the TV? If so, then you have bad inverters or lamps. Once youre done, unplug the tv to get it out of the service menu.

If it is 2x per second or 3x per second, then those boards are just bad and they need to be replaced. There isnt anything you can do right now to fix it.
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