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Philips 42PF5320/10 black horizontal line and image noises

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trottalemme:
Hello,
my original problem on Philips 42PF5320/10 was: black screen with audio.

I've changed Y, Z anc control board on Philips 42PF5320/10.

Screen is now ok but I see a black horizontal line at the center of the screen.

Another problem is: between dark and bright areas of the image I see white flashing dots (noise).
This problem disappear if I switch source (tv decoder) between PAL and NTSC mode (the TV resets the screen mode and image becomes regular, without noises.

If I use DVI input, the image is perfect.

Could you please help me?

Plasmaster:
Hi, Please upload the picture of the fault. Why did you replace all, 3 boards? You only have to replace all 3 boards if manufacturers advise you to do so. For example in LG, panel number 42v7, otherwise only Y-sus is usually faulty.... :93: :93:

ozzietech:
Clean up the original control board and put it back in, see if that improves things.

trottalemme:
Hi,
the Y board was OK and the broken board was the Z one.

Yet tested original Y board without success.

Changing CTRL board we see no difference...

Any ideas?

Thanks

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