Samsung hp-s5033 continuous vertical red lines

[scoot138]

I have a samsung hp-s5033 pdp on all inputs there are thin broekn red vertical lines running the entire panel.
When I go into the service menu and pull up the LBE patterns the lines do not display and the patterns are perfect.
When I pull up the pdp test patterns out of the service menu the lines are not there, and the patterns are perfect.
When I pull up the screen burn protection out of the main menus the pattern is perfect as well.

There is an led on the logic board that blinks every 1/2 second.

This is leading me to believe that its either an issue with the logic main board (BN96-03366A) or the main board (BN94-00971B).

The service manual leads me to believe that its the logic main, but I am confused by its terminology of regular abnormal pattern.

What I am having a hard time understanding is where are the test patterns being generated and how can I test the logic and main boards to single out the failure.

Below are some pictures of the display with signal and without. full screen and close up.

Any and all help is greatly appreciated.









Thanks
Scott

[scoot138]

Re: Samsung hp-s5033 continuous vertical red lines

anybody? please

[PlainBill]

Re: Samsung hp-s5033 continuous vertical red lines

The pictures don't really tell me a lot (other than the fact you didn't read the FAQ). Usually the plasma panel and the TV are built by two different companies., or in this case, by two different divisions of the same company. The fact that the red lines are not present on menu items tells me that the plasma panel and it's support cards are not the problem. Details vary depending on the age of the TV, but often there is a single board that includes the input connectors, tuner, and all the video processing circuitry AND the control circuitry. So when you hit the 'Menu' button the signal comes from the control circuitry rather than from the inputs. The problem is somewhere on that board. If you can find the service manual, you should have the schematic for it.

PlainBill