Hi my hisense 50k23dg red light flashing 8 times

Hisense TV Blinking Codes (Flashing Red light Fixed)

https://homespoiler.com > hisense-tv-blinking-codes
Oct 8, 2022 - If it blinks 2, 3, or 5 times, it means there is an issue with the backlight, mainboard, inverter, or power board. On the other hand, if the ...
‎Hisense TV blink codes concept · ‎Fixing the Hisense TV blinking... · ‎FAQ

More here and videos

https://www.google.com/search?q=hisense+tv+3blinks&

However, best advice. Balance how old and if it is time to upgrade. Hisense is a budget brand.

https://www.fixya.com/support/r29790007-repairing_own_television

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Hello Kenpappas, for what you describe, it would seem like a backlighting problem
questions if you can have a bad led ?, if many times a Led, is the one that proboca the failure
The correct solution from my point of view is, replace, all the Leds
As it is not practical to replace each led in the strips
It is more practical and simple, replace the full strips of leds
I send you a video, in which they show, the procedure of replacing the LED strips on a Hisense TV
I hope you can solve the problem
Greetings Franco Dosil

Hola Kenpappas, por lo que describes pareceria problema de retroiluminacion
preguntas si puedes tener un led mal?, si muchas veces un Led, es el que proboca la falla
La solucion correcta desde mi punto de vista es, reemplazar, todos los Leds
Como no es practico reemplazar cada led en las tiras
resulta mas practico y sencillo, reemplazar las tiras completas de leds
Te envio un video, en el cual muestran, el procedimiento de reemplazo de las tiras de Leds en un televisor Hisense
Espero que puedas resolver el problema
Saludos Franco Dosil

Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://homenol.blogspot.com/
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.
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Power board issue

Cheaper to replace than fix, trust me on this.

Any more than 5 blinks are problems on the main board. It indicates a failure during P.O.S.T. (power on self test) This problem is a "fatal error" and cannot be reset, the board is indicating a fault on the board itself.

These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.

These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electro-medical.blogspot.com/
If blinks continue without any pause, the main board is faulty.

Hi, The part number for this inverter is: 167210, RSAG7.820.5463,
it will be printed on the board somewhere perhaps on a sticky label, have a good search around all the boards if you are unfamiliar with the set. If its any help start with the smaller Boards first, the largest will be Main AV and the Power Supply