Question about Samsung DLP HL-P5663W 56" TV

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Samsung DLP Vertical Hold

Picture loses vertical hold temporarily. It eventually stops but takes a few minutes. Can I adjust/fix this problem myself?

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Re: Samsung DLP Vertical Hold

Problem is either bad connect inside or heat-related failure....
also called thermal will need help from a knowledgeable SAMSUNG tech.....prefer authorized service
center, then you can give feed-back to SS customer service if needed.......................T.

Posted on Dec 21, 2007

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to me its sound like your on the right track. there isnt a physical vertical hold adjustment. more than likely the vertical hold ic has failed. send me your email addy to and i will be more than glad to email you a service manual

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How do you adjust the vertical hold on this TV?

Modern TV's haven't got a vertical hold control like in the old days. The TV system now uses a system of counting. For instance;
UK is 625line which is 15.625KHz line frequency. Divide it down by the correct amount and we get 50Hz frame frequency. There is no need for external controls. That is how copycode on video works. Supply 620 lines and in the end that is not divisable to give 50Hz so video cannot be copied as TV shows the wrong speed frame and will cause no colour and picture disturbance.
Likewise the same rule applies to USA 60Hz system.

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1 Answer

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Wow 5 months without a solution. NOT GOOD.. Well I hope I can help...
This sounds like a vertical hold problem, and is normally easy to fix.... There should be a couple of nob's on the lower back of the TV. One for vertical and one for Horizontal hold. You need to find the vertical hold nob and adjust it, until the rolling stops and stabilizes. If however these nob's are not visible you will have to take TV to an engineer to fix it.
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Jul 02, 2009 | Samsung DLP HL-P5663W 56" TV

1 Answer

Picture has dropped

Hi and welcome to FixYa,

Almost always, your described fault of the TV is the pump capacitor in the vertical section. These capacitors tend to leak due to the heat build-up in that area. Other than that, no other component (to my knowledge) could exhibit the same symptoms. Price wise, component cost should just be a few dollars something making the repair if done by yourself (DIY) worth the effort. This is a relatively easy/quick repair, what would be more challenging is identifying which of the hundreds of capacitor is the one faulty and getting acces underneath the board to perform soldering.

To help you determine which, initially identify which is the vertical section. The vertical IC is often a single in line package with 7 or more pins. This IC would be attached to an aluminum heatsink. It would be very close to a 4 big wires terminal/connector that goes to the yoke. Very very close to the vertical IC would be several capacitors, about 5, certainly not more than 10. Among these capacitors, 1 would be relatively bigger with a value in the neighborhood of 100uF/50V. This is the pump capacitor. Replace it with a similar value readily available from most electronics supply store including Radio Shack. You would need a soldering iron to effect the repairs.

Good luck and thank you for using FixYa.

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It Quit!

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Vertical hold

If the picture is in an hourglass shape this has nothing to do with vertical hold. Besides, on all these sets, the hold and parameters are all uPC controled through a firmware routine that is burned in to an EPROM.

It is obvious that there is a failed component somewhere because of the hour glass shape. The area of failure is most likely in the pin amp section. If the hourglass is from the sides, it would be horizontal pin. If it is top and bottom, the fault is in the vertical pin section.

A common cause is from a capacitor that has failed in the mentioned area. Sometimes it can be an IC or other type of component in the pin amp area, but not as often as failed capacitors.

You can take the set in to service the fault. I don't think you can fix this yourself unless you are trained in TV service and have the experience and setup to troubleshoot for the bad parts, and do this type of service.

Jerry G.

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hi there, it is worth for fixing it, cheaper than replacing it. you have a vertical section problem. look for a quilified service personnel for it to fix. ty

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