hello my friend, i also I have the Sony XBR-75X900F, 75 inch. It just shut off randomly today, and flashes red 4 times. it will turn on and stay on for like 30 seconds, then shuts off again, everything else works perfect, like the screen and loading when i turn it on, but after like 30 seconds shuts off again and flashes red 4 times, Would that be the main board or power supply boards that I would need to replace? please let me know, thanks so much..
The backlight strips themselves will probably need to be replaced. The backlights are set on the front of the chassis under the panel. You would need to get the screen and diffuser panels off the front of the unit to get to them. Its a pretty complicated repair.
@@tvpartstoday oh i see, thanks for getting back to me, one last thing, when the screen comes on its stays on, perfect picture, its only ever 30 seconds or so then it will shut down and restart, can that possibly be the power supply or main board as well? or
Adding: We always recommend googling your TV model number + backlight replacement to see if there are RUclips videos showing you exactly what you would be getting yourself into. We only recommend a DIY-er to attempt it if they are okay with knowing it is last resort as most TV screens are broken during backlight replacement.
I have the Sony 900F 75 inch. It randomly shuts down and flashes red 4 times. I can typically get it restarted after I reset the power. I’ve noticed if I don’t watch HDR movies and turn down any the post processing it typically doesn’t have an issue. My guess is that it’s overheating since the scren works all good still. Would that be the main board I would need to replace you would guess?
Excellent instructional video definitely going to like and share! I have a Sony XBR 75X900H that just powers down on its own. It gives me 4 Red flash's for an error code that I just discovered. I replaced the main board but unfortunately that didn't resolve the issue. Do you know what the DC voltage should be on the PINS from the power board to the main board? I would like to run a check prior to buying the power board.
Hello, We typically do not recommend diagnosing a set from the voltages alone, as it can be inaccurate and misleading. For example, if you have an issue anywhere in the set, it could bog down the standby voltage on the power supply board. If there is an issue anywhere in the set, it can prevent the power supply board from coming out of standby and into high power mode. These two examples could lead someone to think their issue is the power supply board if they are going by voltages alone. TV repair is a process of elimination; you replace the most likely circuit board to the least likely circuit board until one resolves the issue. If none of the circuit boards fix the issue then it is determined to be a failure within the back lights or the panel/screen. The four blink code in your model indicates that it could be the LED Driver, main board, or power supply. The manual states that is the order in which to try, you could order all three parts to save on shipping and return any parts that are not needed. The links to those parts are listed below. Also feel free to contact Info@tvpartstoday.com for any questions. 1st LD Driver: www.tvpartstoday.com/A5012966A-Sony-LD-Board-A5012966A-1-006-902-11-p/a5012966a.htm 2nd Main Board: www.tvpartstoday.com/A-5014-266-A-Sony-Main-Board-A-5014-266-A-A50142-p/a-5014-266-a.htm 3rd Power Supply: www.tvpartstoday.com/1-006-133-21-Sony-Power-Supply-100613321-G03-29-p/1-006-133-21.htm
It sounds like either the Main Board or the T-con Board is having issues in your TV set. I know some Sony models have a "test screen" that displays when there are problems. If you send us an email to: info@TVPartsToday.com with your model number and a brief description of your issues we should be able to provide you with some more, in-depth, troubleshooting advice. Any pictures of the vertical lines you can send with the email will help us out a lot.
Hello, excellent video and detailed explanation, I wish all the videos on RUclips were like this one, detailing well how it is done wow! I just have one concern ... I have a SONY Bravia model XBR75X900H and I have to remove the back cover and try to get to where the screen panel model is. Do you have any video of this type of TV to get to and see the panel model? I would greatly appreciate it.
I found the panel number: 1-009-555-11 After some digging I found that this panel is discontinued. This was attached to the listing as well: LIQUID CRYSTAL ELEMENT(C75D02)
If you want to email a photo of the back of the TV, we can take a look at it and see if our in-house Sony tech has any suggestions. info@tvpartstoday.com, use ATTN: NJ as the subject line, please.
I have this same tv and its giving me issues. No picture at all but can hear sound once it turn it on. Opened up the back. Noticed the led driver board has a green light and a red light flashing in 3 consecutive flashes as soon as i turn it on. Is the red led on the led driver board an error indicator? Was going to just replace the main board but came across your video and thought I would ask the pro’s.
First we would need to find out if you are getting the backlights to fire correctly. We have a video on how to do a flashlight test to see if your backlights are on or not. Ill link that. ruclips.net/video/2TMfkYy58ZU/видео.html If you are getting backlights, then your mainboard is most likely the issue here. If you are not getting backlights, then I would recommend swapping that LED driver.
Hi. I just want to access the screen/screen cover, because we have 2 dead bugs in between the screen and the lcd display part. So we now have these 2 annoying black dots on the screen. How do we go about getting access to just that part of the tv?
I checked the part list for this unit and I didn't see a dedicated audio board, so the main board would be the part to replace for a "no sound", issue.
Hello, If my issue is that the power will not come on the TV at all (there's no light or you don't hear that click when the TV turns on), then is the issue is with the main power board or the sub power board, is that right?
That could very well be the case. I would start by swapping the power supply boards and then if that does not work then I would try the main board. Sony units can be tricky to diagnose, but usually, if you can get power back to the unit, then you can use the blink codes to start narrowing down the list of potential issues. Hopefully there are no more issues in your set and the power boards get you back up and running.
Hi there! I love your videos and explanations. I have the Sony 4 red blinks of death on my XBR75X900F tv. I replaced main board, downloaded and attempted to install firmware update. TV turns on and was showing white light to indicate updating, then Sony logo followed by android logo....then black screen and 4 red blinks. Does it sound like bad main or LED driver board? I refuse to give up on this tv. Thanks in advance!
Blink codes on a Sony TV can be tricky. There is a list of possible problem boards and parts that are attached to each code, so narrowing down the problem is about as good as we can hope for. If you send us an e-mail to info@tvpartstoday.com with your model number, your symptoms, and a list of the boards you have already replaced we should be able to get you pointed in the right direction. Thanks, Pearl!
I have a sony bravia xbr-85x900f that is flickering. I watched your video and was able to take it apart but the tv continues to flicker even after performing a factory reset. Any suggestions is appreciated thank you!
Hey man I have the 55in version and it just stopped working a month ago, when I try to power on I can get it to the android circles and sometimes to the welcome screen cuz I reset it, but then it shuts off, then I get the 4 blinking lights, do you think it's just the power board? If it was led there wouldn't be a picture right? I'm gonna buy the parts from you guys just don't know which ones to get
With Sony TVs there are usually what are called "blink codes". That is the "4 blinking lights" you see after the unit shuts down. These usually tie back to a number of parts that could be the issue. Send us an e-mail to info@tvpartstoday.com with a brief description of your symptoms and your TV model number and we can get you pointed in the right direction. Thanks, Nick.
I have XBR-75X900F. Getting No power- no standby light. No Backlight. I see 120 volt but no stand by 3.3 volts.. pin 5-Ground OR at pin 9,10,11…to Ground NO 12 volts either. (May be I am measuring wrong place. ) In your opinion which board sub power supply or main power supply board (part # AP-69AM. OR AP-P353AM A) be faulty and replace it?
Hello, It could be either the power supply or the main board. Unfortunately there is no way to know exactly which board is the issue as it is a process of elimination.
@@shaileshshah9975 was it the main power supply board or the sub? I have the exact same issue as you the say it could be the main power supply board or the sub or other the main board. Can’t decide to try to fix it myself or have someone come out to fix it.
Hello, I bought the x950h mainboard from you, and downloaded the firmware from the official website according to your requirements, but after decompression, it is not a .pkg file, but still a zip file, what should I do? I hope to get your help, I wish you a happy life。
Hello, Please email Info@tvpartstoday.com a screenshot of your downloaded file on your computer and they will assist you with the correct information. Thank you!
Nice video! Have yall ever thought of selling LED strips for this TV set? 50% of the time I see this TV it's LED strip failure the other 50% it's mainboard it seems.
After replace the motherboard for a bad hdmi and bad video in port. Does the tv start working automatically? Or do I need to download the lasted firmware update to a flash drive to up date the tv?
I have a problem with my Sony 49X7000D Android TV... it will automatically increase/decrease the volume... its like automatically the volume down button is pressed... cos its starts i safe mode, unless when I keep on holding the volume up button when swith on my TV. Please advice
Hello, Based on the information the only thing that could cause this issue would be the main board. Please make sure that Sony does still offer the firmware update for your model before making a purchase. If you need help identify any parts please email Info@tvpartstoday.com and they will assist you in getting the correct part!
Hello, The Bn97 number is actually just generic board numbers used during the manufacturing process and will not guarantee compatibility when searching for a replacement part. Please do not use these numbers to decide on a part. Below is a link to the main board you are looking for part number BN94-12530L (we are currently out of stock. www.tvpartstoday.com/BN94-12530L-Samsung-Main-Board-BN97-13669A-BN41-p/bn94-12530l.htm We do get new inventory twice a week; you can register for the in stock alert email on our website to be notified as soon as we put another one into our inventory.
One more question i got 2 recommendations for alternatives to used UA65MUC30SJXXZ motherboard BN41-02568B screen CY-WK065HGLV1H……&……..UA55MU6880JXXZ main board BN41-02568A screen CY-WK055HGLV1H the 2 boards looked exactly like my boards but the question is would there work how you ever tested anything like that before ?
tvpartstoday.com/pages/sony-firmware-update-help
hello my friend, i also I have the Sony XBR-75X900F, 75 inch. It just shut off randomly today, and flashes red 4 times. it will turn on and stay on for like 30 seconds, then shuts off again, everything else works perfect, like the screen and loading when i turn it on, but after like 30 seconds shuts off again and flashes red 4 times, Would that be the main board or power supply boards that I would need to replace? please let me know, thanks so much..
4X blinks in a x900F is likely the backlight strips themseles unfortunately.
@@tvpartstoday oh k, so what would need to be replaced?
The backlight strips themselves will probably need to be replaced. The backlights are set on the front of the chassis under the panel. You would need to get the screen and diffuser panels off the front of the unit to get to them. Its a pretty complicated repair.
@@tvpartstoday oh i see, thanks for getting back to me, one last thing, when the screen comes on its stays on, perfect picture, its only ever 30 seconds or so then it will shut down and restart, can that possibly be the power supply or main board as well? or
Adding: We always recommend googling your TV model number + backlight replacement to see if there are RUclips videos showing you exactly what you would be getting yourself into. We only recommend a DIY-er to attempt it if they are okay with knowing it is last resort as most TV screens are broken during backlight replacement.
I have the Sony 900F 75 inch. It randomly shuts down and flashes red 4 times. I can typically get it restarted after I reset the power. I’ve noticed if I don’t watch HDR movies and turn down any the post processing it typically doesn’t have an issue. My guess is that it’s overheating since the scren works all good still. Would that be the main board I would need to replace you would guess?
What is your full model number?
@@tvpartstoday xbr-75x-900F. Thanks!
Excellent instructional video definitely going to like and share! I have a Sony XBR 75X900H that just powers down on its own. It gives me 4 Red flash's for an error code that I just discovered. I replaced the main board but unfortunately that didn't resolve the issue. Do you know what the DC voltage should be on the PINS from the power board to the main board? I would like to run a check prior to buying the power board.
Hello,
We typically do not recommend diagnosing a set from the voltages alone, as it can be inaccurate and misleading. For example, if you have an issue anywhere in the set, it could bog down the standby voltage on the power supply board. If there is an issue anywhere in the set, it can prevent the power supply board from coming out of standby and into high power mode. These two examples could lead someone to think their issue is the power supply board if they are going by voltages alone. TV repair is a process of elimination; you replace the most likely circuit board to the least likely circuit board until one resolves the issue. If none of the circuit boards fix the issue then it is determined to be a failure within the back lights or the panel/screen.
The four blink code in your model indicates that it could be the LED Driver, main board, or power supply.
The manual states that is the order in which to try, you could order all three parts to save on shipping and return any parts that are not needed.
The links to those parts are listed below. Also feel free to contact Info@tvpartstoday.com for any questions.
1st LD Driver: www.tvpartstoday.com/A5012966A-Sony-LD-Board-A5012966A-1-006-902-11-p/a5012966a.htm
2nd Main Board: www.tvpartstoday.com/A-5014-266-A-Sony-Main-Board-A-5014-266-A-A50142-p/a-5014-266-a.htm
3rd Power Supply: www.tvpartstoday.com/1-006-133-21-Sony-Power-Supply-100613321-G03-29-p/1-006-133-21.htm
Sony xbr85x850g turns on show sony logo then fades into some colors vertical lines anysuggestions please?
It sounds like either the Main Board or the T-con Board is having issues in your TV set. I know some Sony models have a "test screen" that displays when there are problems. If you send us an email to: info@TVPartsToday.com with your model number and a brief description of your issues we should be able to provide you with some more, in-depth, troubleshooting advice. Any pictures of the vertical lines you can send with the email will help us out a lot.
Hello, excellent video and detailed explanation, I wish all the videos on RUclips were like this one, detailing well how it is done wow! I just have one concern ... I have a SONY Bravia model XBR75X900H and I have to remove the back cover and try to get to where the screen panel model is. Do you have any video of this type of TV to get to and see the panel model? I would greatly appreciate it.
I found the panel number: 1-009-555-11
After some digging I found that this panel is discontinued. This was attached to the listing as well:
LIQUID CRYSTAL ELEMENT(C75D02)
Help? Any suggestions on dismantling the 950h
If you want to email a photo of the back of the TV, we can take a look at it and see if our in-house Sony tech has any suggestions. info@tvpartstoday.com, use ATTN: NJ as the subject line, please.
I have this same tv and its giving me issues. No picture at all but can hear sound once it turn it on. Opened up the back. Noticed the led driver board has a green light and a red light flashing in 3 consecutive flashes as soon as i turn it on. Is the red led on the led driver board an error indicator? Was going to just replace the main board but came across your video and thought I would ask the pro’s.
First we would need to find out if you are getting the backlights to fire correctly. We have a video on how to do a flashlight test to see if your backlights are on or not. Ill link that. ruclips.net/video/2TMfkYy58ZU/видео.html
If you are getting backlights, then your mainboard is most likely the issue here.
If you are not getting backlights, then I would recommend swapping that LED driver.
Hi. I just want to access the screen/screen cover, because we have 2 dead bugs in between the screen and the lcd display part. So we now have these 2 annoying black dots on the screen. How do we go about getting access to just that part of the tv?
There is no easy way for this to be done. You are most likely to ruin the screen from attempting to remove them..
does the main board have all the audio on it ? i lost my sound thanks
I checked the part list for this unit and I didn't see a dedicated audio board, so the main board would be the part to replace for a "no sound", issue.
Hello,
If my issue is that the power will not come on the TV at all (there's no light or you don't hear that click when the TV turns on), then is the issue is with the main power board or the sub power board, is that right?
That could very well be the case. I would start by swapping the power supply boards and then if that does not work then I would try the main board. Sony units can be tricky to diagnose, but usually, if you can get power back to the unit, then you can use the blink codes to start narrowing down the list of potential issues. Hopefully there are no more issues in your set and the power boards get you back up and running.
Hi there! I love your videos and explanations. I have the Sony 4 red blinks of death on my XBR75X900F tv. I replaced main board, downloaded and attempted to install firmware update. TV turns on and was showing white light to indicate updating, then Sony logo followed by android logo....then black screen and 4 red blinks. Does it sound like bad main or LED driver board? I refuse to give up on this tv. Thanks in advance!
Blink codes on a Sony TV can be tricky. There is a list of possible problem boards and parts that are attached to each code, so narrowing down the problem is about as good as we can hope for. If you send us an e-mail to info@tvpartstoday.com with your model number, your symptoms, and a list of the boards you have already replaced we should be able to get you pointed in the right direction. Thanks, Pearl!
I have a sony bravia xbr-85x900f that is flickering. I watched your video and was able to take it apart but the tv continues to flicker even after performing a factory reset. Any suggestions is appreciated thank you!
Hello,
To best assist you could you please send a video to the email address Info@tvpartstoday.com thank you!
Hey man I have the 55in version and it just stopped working a month ago, when I try to power on I can get it to the android circles and sometimes to the welcome screen cuz I reset it, but then it shuts off, then I get the 4 blinking lights, do you think it's just the power board? If it was led there wouldn't be a picture right? I'm gonna buy the parts from you guys just don't know which ones to get
With Sony TVs there are usually what are called "blink codes". That is the "4 blinking lights" you see after the unit shuts down. These usually tie back to a number of parts that could be the issue. Send us an e-mail to info@tvpartstoday.com with a brief description of your symptoms and your TV model number and we can get you pointed in the right direction. Thanks, Nick.
I want to know if you know how open xbr-85x900h???
Hi, please email a picture of the back of your TV to info@tvpartstoday.com
This was a great help to replace my infrared sensor on the kd-xf900 series. It’s the same case and back cover.
Thanks, Carthus. Keep us in mind if you need anymore help with TV repair!
I have XBR-75X900F. Getting No power- no standby light. No Backlight. I see 120 volt but no stand by 3.3 volts.. pin 5-Ground OR at pin 9,10,11…to Ground NO 12 volts either. (May be I am measuring wrong place. )
In your opinion which board sub power supply or main power supply board (part # AP-69AM. OR AP-P353AM A) be faulty and replace it?
Hello,
It could be either the power supply or the main board. Unfortunately there is no way to know exactly which board is the issue as it is a process of elimination.
Did you find out if it was the power supply board or the main board?
It was power supply board. It was replaced and it is working fine.
@@shaileshshah9975 was it the main power supply board or the sub? I have the exact same issue as you the say it could be the main power supply board or the sub or other the main board. Can’t decide to try to fix it myself or have someone come out to fix it.
Hello, I bought the x950h mainboard from you, and downloaded the firmware from the official website according to your requirements, but after decompression,
it is not a .pkg file, but still a zip file, what should I do?
I hope to get your help, I wish you a happy life。
Hello,
Please email Info@tvpartstoday.com a screenshot of your downloaded file on your computer and they will assist you with the correct information. Thank you!
Nice video!
Have yall ever thought of selling LED strips for this TV set? 50% of the time I see this TV it's LED strip failure the other 50% it's mainboard it seems.
Thank you for your comment! We have these on order but have no ETA at the moment.
Do you have a link for the “spudger” you mentioned or how the 950h Bravia back panel comes off?
Unfortunately we do not sell this product. You could try and google the item to see what places do!
After replace the motherboard for a bad hdmi and bad video in port. Does the tv start working automatically? Or do I need to download the lasted firmware update to a flash drive to up date the tv?
Sometime the TV will automatically start working but a majority of the time you will need to download the firmware update.
@@tvpartstoday can you do a video how to update the firmware via usb?
I’m having problem with my Sony TV turning on. I already did a reset but now tv won’t turn back on? Any help would be grateful!
Do you have a standby light?
@@tvpartstoday no. Sometimes it’ll come on with Sony logo then powers back off?
hello im a guest from china know u recently , my sony TV type is KD-75X7800F,which mainboard should I choose?
Hi,
Unfortunately, we do not carry any parts for that model.
I have a problem with my Sony 49X7000D Android TV... it will automatically increase/decrease the volume... its like automatically the volume down button is pressed... cos its starts i safe mode, unless when I keep on holding the volume up button when swith on my TV. Please advice
Hello,
Based on the information the only thing that could cause this issue would be the main board. Please make sure that Sony does still offer the firmware update for your model before making a purchase. If you need help identify any parts please email Info@tvpartstoday.com and they will assist you in getting the correct part!
@@tvpartstoday thank you.. will check
Good morning, where are you guys located?
We are located in Evansville IN
Still waiting for my email to be responded to. I will call tomorrow so I can get expert help to order the right parts. Thanks
We are understaffed and appreciate your patience.
tvpartstoday.com/pages/trouble-shooting-guide tvpartstoday.com/pages/identifying-parts
tvpartstoday.com/search?type=product%2Cpage%2Carticle&options%5Bprefix%5D=last&q=XBR-75X900F
Samsung UN50MU6300F BN97-13669A BN94-12530L Main Video Board
Hello,
The Bn97 number is actually just generic board numbers used during the manufacturing process and will not guarantee compatibility when searching for a replacement part. Please do not use these numbers to decide on a part.
Below is a link to the main board you are looking for part number BN94-12530L (we are currently out of stock.
www.tvpartstoday.com/BN94-12530L-Samsung-Main-Board-BN97-13669A-BN41-p/bn94-12530l.htm
We do get new inventory twice a week; you can register for the in stock alert email on our website to be notified as soon as we put another one into our inventory.
One more question i got 2 recommendations for alternatives to used UA65MUC30SJXXZ motherboard BN41-02568B screen CY-WK065HGLV1H……&……..UA55MU6880JXXZ main board BN41-02568A screen CY-WK055HGLV1H the 2 boards looked exactly like my boards but the question is would there work how you ever tested anything like that before ?