Re: Remove rear panel Sony Bravia KD-65X7500F
How so? backlight error is 0.
How so? backlight error is 0.
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Re: Remove rear panel Sony Bravia KD-65X7500F
Thanks. I am guessing then that the problem then (after googling for a good while), that it could then be a main Board problem, or tcon board problem?
I'm guessing the tcon board is under the center bottom screwed area between the power board and the main board.
Is there an order of process to work out my next plan of attack?
A number of threads I have read say to see if you can see the leads working or not by looking through any holes, but I see no holes to view them anyway. Some say to use a flashlight on the main front screen to see if you can determine movement.. or to turn volume up and listen if you get audio (I hear nothing), or to turn off the power at the wall, hold power on for 30 seconds via remote and see if anything happens.
Are these genuine checks, or backyard hacks?
CheersSignature:Seemingly hopeless tv fixerComment
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Re: Remove rear panel Sony Bravia KD-65X7500F
Am I at the end now, and it is disposal time for me?Signature:Seemingly hopeless tv fixerComment
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Re: Remove rear panel Sony Bravia KD-65X7500F
Since the main board is not sending the T-con on signal to turn on the switched 12V for running T-CON board, thus you will not have any image on the screen.
Since Dimming control is also missing, the backlights will not be on either.
So something is telling the main board not to send those signals.
BTW, are you getting any error blinking code on the front panel of the TV?Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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Re: Remove rear panel Sony Bravia KD-65X7500F
No budm..
The TV emits nothing at all.. simply put, there is no indications of any sort at all.
It looks the same, whether the TV is actually connected to the power source, or not.
Not a sound, any light when pressing the remote or power button on the rear, or when supplying power at the wall outlet.Signature:Seemingly hopeless tv fixerComment
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Re: Remove rear panel Sony Bravia KD-65X7500F
Is this your panel number T650QVF06..6 if not what is the whole panel number?Comment
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Re: Remove rear panel Sony Bravia KD-65X7500F
Yes, that number was found on a sticker inside the TV, alo g with the other that read BMI 9009
The main sticker on the rear panel says KD-65X7500FSignature:Seemingly hopeless tv fixerComment
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Re: Remove rear panel Sony Bravia KD-65X7500F
No guarantee but I would try a mainboard, looked but didn't see any on ebay AU, this one appears to be a match, looks to be a few available for about the same price, you can match up the numbers on the sticker to be sure or the panel numbers if available: https://www.ebay.com/itm/55-Sony-LCD...UAAOSwEGVeFQBzLast edited by nomoresonys; 08-02-2020, 03:09 AM.Comment
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Re: Remove rear panel Sony Bravia KD-65X7500F
Extensive list there, note many only ship to the U.S. : https://www.ebay.com/sch/i.html?_fro...acat=0&_sop=15Comment
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Re: Remove rear panel Sony Bravia KD-65X7500F
I think a 65 inch sony is definitely worth 75 bucks or so if a mainboard will fix it.Last edited by nomoresonys; 08-02-2020, 03:16 AM.Comment
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Re: Remove rear panel Sony Bravia KD-65X7500F
Thank you for the replies, we appreciate it.
Yes, if it is just that part, then it is really a no brainer I guess.
What do you think, with your knowledge, would be the chance that it could again be a further fault?
Would a technician simply do it this way, or would they undertake some other testing points before they took to simply try a new board, also punting that could be the problem. I guess most wouldn't have a spare board to test with?
Many thanks..Signature:Seemingly hopeless tv fixerComment
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Re: Remove rear panel Sony Bravia KD-65X7500F
Thanks for the links.. Cheaper in Australia is about $125 plus postage. I will look on my board and see if my numbers match any of those numbersSignature:Seemingly hopeless tv fixerComment
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Re: Remove rear panel Sony Bravia KD-65X7500F
This is my board. I take it that if I use the links supplied, that I need a board that has all the matching numbers to my board, as I note that some look the same, but some of the digits differ.
many seem to be 1-982-454-11 whereas mine ends with the numbers 21
Last edited by viewerau; 08-02-2020, 05:47 PM.Signature:Seemingly hopeless tv fixerComment
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Re: Remove rear panel Sony Bravia KD-65X7500F
I'm not exactly sure what the difference is in the last 2 numbers, something to do with what country/region? The way I matched up was by the panel number in my search, what are all the numbers on your sticker on the mainboard?Last edited by nomoresonys; 08-02-2020, 07:19 PM.Comment
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Re: Remove rear panel Sony Bravia KD-65X7500F
One thing that I notice is that the 11 has 5 rca jacks where as the 21 has 3 rca jacks.Comment
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Re: Remove rear panel Sony Bravia KD-65X7500F
Thanks.. The ones on nomoresonys link all seem to be one's with too many rca Jack's.. It seems odd to me when some mention they are for the 65x7500f...isn't it confusing..Signature:Seemingly hopeless tv fixerComment
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Re: Remove rear panel Sony Bravia KD-65X7500F
There are many many very small fuses, I.E F402, 404, 405, 60x... on that main board, you may want to check them out.Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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Re: Remove rear panel Sony Bravia KD-65X7500F
Thanks budm.. Any other suggestions for us to check at the same time, so we can maxamise looking at many different things please?
ThanksSignature:Seemingly hopeless tv fixerComment
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Re: Remove rear panel Sony Bravia KD-65X7500F
OK.. Check the fuses the next check, and if nothing found, a main Board would be a repairers next move?Signature:Seemingly hopeless tv fixerComment
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Hello all,
I'm trying to understand what is the issue with my 26 months old Sony Bravia KD-65XG8505 (XBR65X850G).
It is just few months out of warranty, so Sony doesn't want to do anything, and the local replacement shop also tells me that it's not worth repairing (alhtough this model costed almost 1000 euros just 2 years ago...).
Few nights ago the TV started showing some horizontal lines and distorted colors/geometries in the bottom part of the screen (see attached photos).
The issue is not as bad as others that I've seen around, but is indeed noticeable... -
After changing out the backlights I have a single green vertical line on the left side of the screen. Is there any way to fix it? I tried putting pressure on all the tabs and on the top of the panel but neither helped.
Does Sony epoxy all their panels or just the expensive ones? -
What's wrong with my TV: the TCON, the panel, or something else? I'm stuck.
Problem:
Last week, my Sony KD-70X690E 70" stopped displaying a picture. The TV powers on, and the back lights power on. However, the TV doesn't seem to boot up. I say this because the SONY splash-screen logo does not display, nor does any picture display, nor can I invoke a menu by pressing "Menu" on the remote. Other than back-light bleed, the screen is black.
My troubleshooting got me this far:
With the left-hand TCON to bottom-board ribbon cable... -
I have a Sony Bravia KDL-40V2500 that will not power on. The indicator flashes red 3 times.
I do not hear any sound and I cannot see any backlight.
I have tried disconnecting every cable on each board one at a time to see if anything changes.
The only change is when I disconnect AC-DET cable on the Power Supply board or on the other end if I unplug the CN7009 connection on the B-Board and try to power on the TV the indicator will stay on solid green until I power off.
My friend ordered another used power supply board but it is also doing the red indicator flash 3 times... -
65x900h with the panel from a 65x930d.
900H: model yr 2020, Samsung panel
930D: model yr 2016, Innolux panel
spec wise the panels are the same. the drivers and tcons are obviously different but what made me want to give this a try is that the wiring diagrams for the data signals going into the tcon for each tv were nearly identical. there are only a couple pins that i am unsure about and that is what brings me here.
the 930d has the DPS board where the 900h has none, however, if you follow the pins to the BM1 it would appear that the signals...07-11-2023, 11:11 AM
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