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Only sound no picture

Model no : 55PFT6100/S98

I have the Same problem Only sound no picture

Diese Frage beantworten Ich habe das gleiche Problem

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Ok sound no video display ditecat

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Hi,

If you determine that the problem is no screen backlighting, then here’s a link that describes the same problem for your exact model TV and how it was tested and the problem fixed.

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DeRajj Yuva Raja  start with this. There are a few things that can cause this. In general it is the mainboard that tells the power board to turn on the backlight for the panel. The main board is also the board where the video and audio are encoded, The signal then goes through the T-con board into the panel. Quick and dirty description :-)

Since you have audio , you know that at least part of your main board still works. Now, in a darkened room turn the TV to a station where you have audio. Shine a flashlight at an angle against the screen. See if you can make things out like silhouettes, menus etc. If so, then you know it is your backlight (bad power board, bad backlight array). If you do not see anything then there could be an issue with the main board or the T-con board.

Of course there is always a possibility that this is a bad panel. Anyhow, let us know what you find. Also, if you remove the back from your TV, post some good pictures of the boards and the interconnect cables so that we can see what you see. Bilder zu einer vorhandenen Frage hinzufügen. Phillips love to use chassis number for repair purposes. Check the label on the back of your TV and see if it lists the chassis number.

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when you switch it on with the remote from stand by mode the Philips logo pops for a second and goes to black screen.

Yes, in dark room I can make things out like silhouettes so there is picture without the back light.

My regular technician tested/checked on it and said something like I have to change the motherboard or main board because it is not supplying enough power to the screen or something like that, I will ask him again.

Where can I purchase this Motherboard?

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Hi DeRajj Yuva Raja

Did you read the "link" that I posted below this answer?

Get your technician to read it as well as it might save the cost of a replacement board.

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DeRajj Yuva Raja since "in dark room I can make things out like silhouettes" it will not be the main board. Your issue is either the power board or the backlight array. Check the voltages on the power board going to the backlight LED. Let us know what that voltage is. Otherwise follow the link in the answer provided by @jayeff

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DeRajj Yuva Raja wird auf ewig dankbar sein.
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