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  Discuss I think I found a way to fix the digital board. hlr5067w in the Brand Forums forum; I think I found a way to fix the digital board. hlr5067w when you take the cover off the digital board you see a chip close to the dvi output on the ...



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Old 08-14-09, 08:10 AM   #1
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I think I found a way to fix the digital board. hlr5067w


when you take the cover off the digital board you see a chip close to the dvi output on the board. with my tv I put a ball of foil on there making sure it doesn't short out against anything eles. it has to be big enough so when you push the case back on it cashes down iand t sqeezes the chip down. ( kind of like the xbox 360 x clamp repair) after doing this my tv powers on. this maybe the reason why some people get the green screen if this chip has broken solder joints under it. pushing it down will make it get contact again and may fix your issue. I know before i did this my tv would just flash lamp and the lamp in the back was lighting up but nothing on my screen would come on. please do this at your own risk. if more of you have luck doing this maybe we can come up with some kind of heat sink that can be put onto the chip that will sqeeze when the cover is put back on. I would be willing to pay 15 to 20 dollars for a heatsink that would fix the digital board.

ps the chip inside says dnie and looks like a computer video card chip or motherboard chipset.

Update: please check out http://www.hometheatershack.com/forums/samsung/20791-hlr6167wax-xaa-digital-board-problems.html for a better fix then the foil.



Last edited by Jason1976; 08-25-09 at 07:52 AM..

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Old 08-14-09, 08:51 AM   #2
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Re: I think I found a way to fix the digital board. hlr5067w


Thanks for the info. I will try it before I change the board.


...the soulshine, it's better than sunshine. It's better than moonshine. It's sure better than rain.

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Old 08-14-09, 10:30 AM   #3
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Re: I think I found a way to fix the digital board. hlr5067w


it has to be tight. I had to push down on the cover when putting the screws back into the dvi and vga jacks I am guessing it has to be tight. I took more photos of the tv being turned on. will be posting them soon. I also showed what I did. I opened mine back up and used a heatsink and foil. I was afraid that the foil may sqeeze down more and short something out. I am thinking maybe if we could get something that isnt conductive to put under the board it may help keep the board more level and make it press down more level on the chip. making it easyer to install the screws and maybe make it more stable. I was also thinking maybe we could use the vent holes in the top to screw a heat sink or something into place. I wouldnt even know were to find a heatsink that size and that tall.


Last edited by Jason1976; 08-14-09 at 10:43 AM..

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Old 08-14-09, 10:35 AM   #4
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Re: I think I found a way to fix the digital board. hlr5067w








I am guessing that chip gets to warm and the solder melts away from one of the connections or just brakes from it heating up and expanding and when it cools then it shrinking.

before doing this the tv would not fully turn on. the tv would sit and the lamp light on the front of the unit would just flash.


Last edited by Jason1976; 08-14-09 at 11:09 AM..

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Old 08-14-09, 05:07 PM   #5
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Re: I think I found a way to fix the digital board. hlr5067w




this is the idea I came up with it would press on the chip like the xbox 360 x clamp. you would need 4 screws but I only showed one on the photo shop. I woudln't even know were to go to have someone make something like this. of course the screw holes would have to match up with the vent holes in the top cover. you guys are welcome to make it better and if someone can make them. YOU BETTER SEND ME ONE! and if you sell them I should make so many %. i am sure this would cost a lot less then replacing the board. the lowest price i found was 235 with a 50 dollar core charge. I found others that wanted 269 dollars for this board.


Last edited by Jason1976; 08-14-09 at 05:16 PM..

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Old 08-15-09, 12:04 PM   #6
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Re: I think I found a way to fix the digital board. hlr5067w


a common Ring of Death xbox fix is to re-solder the pins. Heat gun or solder pencil. Not sure how accessible the pins are but it might be worth a try.

rick


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Old 08-15-09, 12:33 PM   #7
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Re: I think I found a way to fix the digital board. hlr5067w


the pins are under the chip and they do not go the hole way threw to the other side. a heat gun may work to remelt the solder but I would be afraid of burning up the chip.


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Old 08-15-09, 12:38 PM   #8
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Re: I think I found a way to fix the digital board. hlr5067w


Notice that there are no pins around this chip like most typically have. The pins are underneath and press against the lands on the board. The lands are tinned, allong with the pins on the chip, and when the chip is applied the whole board is heated to complete the solder connection. This kind of chip is called a BGA, or Ball Grid Array. They are used to get shorter connections to the components in the IC and to increase the area possible for connections into chips. The downside is the problem of making good connections, which apparently happens rather often.


...the soulshine, it's better than sunshine. It's better than moonshine. It's sure better than rain.

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Old 08-15-09, 12:39 PM   #9
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Re: I think I found a way to fix the digital board. hlr5067w


I really do not suggest anything conductive like the foil. If it touches the board you could have real problems.


...the soulshine, it's better than sunshine. It's better than moonshine. It's sure better than rain.

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Old 08-15-09, 12:41 PM   #10
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Re: I think I found a way to fix the digital board. hlr5067w


yeah. thats what I was thinking thats why I used a heat sink under it. I am trying to think of something eles that may work. I also didn't want to use anything that could catch on fire.

there is a machine shop up the road but I have no idea how much they would charge to make that clamp. I would have to get messurements for size. the lid and the crews would hole the plates in place and wouldnt let anything short out. all I know is if i remove this the tv dies again. I think these chips are a common area of failer.

I may take mine back apart and wrap the foil in black electrical tape. I want to be on the safe side. after the top is pushed down the foil doesn't move.


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