No Pictureand code 7

You need a service engineer

SOLVED: blinks the red light 10 times frequently - Sony Bravia ...

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Apr 24, 2018 - @hdcifix215 10 blinks apparently is not a real error code from Sony. The descriptor for that is "Watch Dog Timer used to track micro processors, ... 2 answers
red led blink 6 times when I turn on the tv - Sony ...
8 answers
Sep. 7, 2015
SOLVED: Blinking red light 5 times Sony Bravia 55" tv ...
5 answers
Apr. 8, 2017
SOLVED: red led blink 7 times - Sony KDF-E60A20 ...
1 answer
Apr. 21, 2020
bravia has no picture or sound and flashing 5 times ...
2 answers
May 10, 2018
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The red light flashing is indicating the error.
depending on the make and model of the TV, the duration of the flash and number of flashes determines the error code.

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 stage 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. Viewing it in "Mosaic" or "Magazine" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.
Counting of number of blinks to Philips TVs is entirely different to that of other brand TVs. It is not a direct count procedure. The site have details about how to count the number of LED blinks [Fault Codes] to Philips brand TVs are given; along with details of the faulty circuit location.

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 stage 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, to many popular brand TVs and other devices. Viewing it in "Mosaic" will make surf easy.
http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

These blinks are fault indication, and known as blinking codes. From the number of blinks occur at one time switch ON; you can get an idea about the faulty circuit stage inside the TV. This will make repair easy. For more information, check the link http://electronicshelponline.blogspot.com/

If there is sound, and no picture, the front LED might be blinking for a certain fixed numbers at one time. Count these numbers. The number is more important because it is fault indication, called LED blinking codes. Check this link for more details about Panasonic blinking codes.

It's an error code. Call a Sony repair shop for an estimate.

7 blinks indicates a bad buffer board, usually I replaced the Y board and the buffer/s about $500-600 in parts. but before you buy anything open the set and look at the power supply if you see two capacitors that look swollen , bulging on top they need to be changed and may solve the issue. the power supply is middle top . If you are not wanting to repair it yourself then know that you do have some circuit board repairs needed.
thanks
Eric

I’m happy to help further over the phone at https://www.6ya.com/expert/eric_ab7c09ec01841771

For clarification of code/blinks significance you should check at mfg web site .

Sony error codes usually only go up to 7. If the LED blinks 11 times, this usually indicates that either the clock or data line is shorted and this needs to be serviced by someone with experience with Sony sets.