Re: Sony KDL-40s4100 No Picture/Sound/Backlight
I have the same problem with a sony kdl-46s4100 and change the A-board and the t-con board and no solution, the tv is with no picture and no sound.
The power supply have voltage 3.3v, 6.5v, 15v. only the 12v is in 11.7v. I don't know were is the problem.
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Re: KLD-46S4100 No Picture/No Sound
This is the trainning manual for this model maybe help you....
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Re: KLD-46S4100 No Picture/No Sound
The t-con board have only one fuse in the 12v, and the mine is good
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Re: KLD-46S4100 No Picture/No Sound
Ok the CN2502 is the backlight conector, and disconected, turn on the lamps and start a test (green light, red, etc..). Then the lamps and inverter works good.
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Re: KLD-46S4100 No Picture/No Sound
Thanks for your reply, rmoody, I cheked the fuse and is good, have 11.6v.
I thing is the A -Board, but I want to be sure before to order.
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Re: KLD-46S4100 No Picture/No Sound
I have the same problem, I saw the training manual and say that if have 12v and 3.3 from the power supply the problem is in the A-Board, but I have 11.6 in the 12v and I need now if the problem is in the A-board or in the power supply.
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