Re: Sony KDL 52w5500 No image, no Backlights
Hi there!
Quick update, I just got back from vacation and found the T-Con I oder in front of my house (has been there for almost 2 weeks!!!! Never buy anything deliver by GLS ...)
And that was it! It's working now
I was about to buy the main board, but the person to who I was about to buy it, told me that he encounter multiple time a double error code, and it was always the second one that was accurate.
So in my case it is 14 blink => T-Con ...
And that was it
Hiha! Thanks...
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Re: Sony KDL 52w5500 No image, no Backlights
ok, but it will not be a problem if the firmware is not the same as the actual one
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Re: Sony KDL 52w5500 No image, no Backlights
Quick question, I'm willing to try to purchase the mainboard (since it's getting complicated to move forward :s)
Is the firmware important or not ?
I've read some people specifying the reference number AND the firmware version.
So I'm wondering if this can have any impacts
Thx in advance
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Re: Sony KDL 52w5500 No image, no Backlights
Oh ok!
So if I follow your logic, this would mean that the problem does not come from the T-CON in my case (since the problem is the same without the T-Con connected)
I guess this mean that I can try to purchase a main board then ?
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Re: Sony KDL 52w5500 No image, no Backlights
Yes, I think this was one of the first video I saw when I got my problem
But I'm not sure of which part you are referencing as insteresting, he just show how to replace a T-Con no ?
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Re: Sony KDL 52w5500 No image, no Backlights
Ok, the LCD panel model is lty520he12
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Re: Sony KDL 52w5500 No image, no Backlights
T-CON
[url]http://entrepot2.free.fr/tv/T-CON.JPG[/url]
Is there any way to get the LCD model number without unmounting it ? :sRe: Sony KDL 52w5500 No image, no Ba...unting it ? :sRe: Sony KDL 52w5500 No image, no Backlights
T-CON
[url]http://entrepot2.free.fr/tv/T-CON.JPG[/url]
Is there any way to get the LCD model number without unmounting it ? :s
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Re: Sony KDL 52w5500 No image, no Backlights
I can't find where I read about this HFR being inside the LCD panel and not the T-CON...
Is there any way to test the T-CON
I have done the test to unplug / replug the T-CON connector to see if there's any reaction
But nothing
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Re: Sony KDL 52w5500 No image, no Backlights
Otherwise, is there any way to test the HFR ?
I've read that this part is inside the LCD screen ... and if it's the problem you should change your tv ^^
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Re: Sony KDL 52w5500 No image, no Backlights
Well maybe this is a FILO stack of erros (first in last out)
And if
"The hfr/t-con pcb must be operational before the main CPU puts out the "on"" is accurate, that would mean that you can't have backlights witchout a working T-CON ?
I feel like I have read some people saying that they were geting backlights but a black image (T-Con problem)
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Re: Sony KDL 52w5500 No image, no Backlights
Yes, I just chek
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Re: Sony KDL 52w5500 No image, no Backlights
ALright just did the test, no change
I don't see any signal going through
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Re: Sony KDL 52w5500 No image, no Backlights
Are you talking about the CN6702 (I guess) or the CN6600 on the inverter (master)
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Re: Sony KDL 52w5500 No image, no Backlights
I have another question poping in my head and this must be realy basic electronic stuff:
Should I be able to see the backlight signal going through the power supply board even if the inverter lock the signal after ?
Basically the question is does a signal can be fired if the circuit is lock somewhere.
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Re: Sony KDL 52w5500 No image, no Backlights
Hum, will it imply some soldering ? :s...
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Re: Sony KDL 52w5500 No image, no Backlights
But do you get any image on screen ? (in case you don't know it, the LCD may still show a really dark image on the LCD screen, you may need to use a flashlight to see it)
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Re: Sony KDL 52w5500 No image, no Backlights
And if we take in account that the T-CON is not working either
Can the inverter board have an impact on that ?
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Re: Sony KDL 52w5500 No image, no Backlights
Oh ok, then I'll wait a bit more before rushing this buy ^^
So from what I understand the diagram show that there's other switch on the inverter board, right ?
But the signal is going from the [Main board] => [Power supply Board] => [Inverter] => [Balancer]
Since I did not see any signal from the [Main board] to [Power supply Board]
The inverter should not be relevant ?
Or am I missing something ?
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Re: Sony KDL 52w5500 No image, no Backlights
Ok thx a lot for your help, I guess I'll try to find this main board now
Do you know any website that would allow me to find all the tv that have the same main board ?
I've more success in searching "KDL-xxxx main board" than using the board reference directly :s
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Re: Sony KDL 52w5500 No image, no Backlights
The processor is on the main board I suppose ?
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