Question about Samsung LN37B530 37 in. LCD TV

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Where can i buy main unit board for my b550 set? help!

Where can i buy the main unit board for my ln37b550k1fxa set. my repair guy said thats why i have no picture but sound is this correct?

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  • Samsung Master
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Sounds right to me, try calling 1-800-samsung to find nearest service/parts center.

Posted on Nov 16, 2009

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Posted on Jan 02, 2017

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JVC RV-B550 Cassette/CD Boombox Hi there. Please


take off all the knobs and it should come apart

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Front LED just Cycles white then goes red. Replaced lamp did not fix set. Found 5 volt power on command missing from Digital bd to DMD bd. Need to replace Digital main bd. Part needed is 6871VSMS28B. Will...


Good day!!!


if the command signal from main board to DMD board missing the problem could be the main board..

I already found the board online for only $75 on this site http://www.discounttvparts.com/6871VSMS28B_p/td-1169.htm

$100 on this site http://www.ebay.com/itm/NEW-LG-MAIN-UNIT-6871VSMS28B-6870VS2273C-/260877125964

Hope it helps..

just add a comment for any follow up questions..

Thank you

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My washer dryer won't switch on


If the repair guy tested the machine, and determined that the Main Circuit Board is bad, this will cause the machine to not come on. Replace the Main Circuit Board and you should be good to go.

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No power and no glow to the screen. I'm assuming a power supply problem and I'm looking for a tear down of the unit. I also understand there are some fuses inside the case as well. Visual...


U have power to the tv is that correct?Yes?Power led light indication solid green,when tv is on but u have a blank screen no picture to the LCD screen panel at all?Yes?Than this problems it is not the tv power supply board problems.The tv Tuner signal board is it the cause and the problems.That the board where the incomming broadcasting signal cable plug into it.This board are 90%-95% are not repairable or troubleshoot able,because it almost all micro components parts and micro chips and most of them are surface mounted it on.This tv Tuner signal board can be only replaced with a new whole refurbish one only.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish tv Tuner signal board for the replacement.

Aug 11, 2011 | Insignia NS-LCD47HD-09 47 in. LCD TV

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Picture has vertical lines (no picture)....what's wrong? It is less than 2 years old. can you help plrease?


Hi Matt, I know it's been awhile, but I'm making one last ditch effort to fully confirm everything you said. To start with, I replaced the T-Con Board, and it didn't correct the problem. My T-Con Board IS ATTACHED as shown in the picture, with the two ribbon connectors. Since it is connected, are you saying DON'T buy a main board, or are you saying since the T-Con is connected to BUY one? Thanks so much for all your help Matt, I wouldn't have been able to get this far without a good guy such as yourself. If I can't repair, I'm going to part out the boards anyway, if the front panel is bad. Please refer to the picture for clarification. Is it option 1, or 2?

1. T-Con Board attached, DO NOT buy main board.
2. T-Con Board attached, DO buy a main board.

Again, thanks so much for everything, I look forward to your final answer. Take care.

Tim
5216cfc6-b882-4f61-9cfc-94ef108c0a65.jpg

Feb 28, 2011 | Sony KDL-46VL160 46 in. HDTV TV

1 Answer

The tech guy said that the main board needs to be replaced. But the cost of changing would buy me another camera. Is there any way to repair the same one?


> tech guy said that the main-board needs to be replace.
> Is there any way to repair the same one?

Yes, but it will probably cost more than to buy another camera.

You probably can remove the disk-drive, and connect it to your computer, to "rescue" any movies currently on the camera.

Or, if you purchase an identical camera, you can temporarily "transplant" the old disk-drive from the old camera into the new camera, and then upload any movies to your computer. Then, re-insert the new disk-drive into the new camera.

Nov 11, 2010 | Panasonic SDR-H18 USB Hard Drive

1 Answer

Im having the same problem with my samsung


probably will have to call 1-800-samsung to find your nearest repair and parts center.

Nov 16, 2009 | Samsung LN37B530 37 in. LCD TV

2 Answers

WHERE CAN I BUY A JVC RV-B550 IN NEW ZEALAND


You may be able to find one at http://www.trademe.co.nz
there are at least 1 or more there, just looked

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Fridge and freezer stopped working.Power still on (light on in fridge). Digital control for fridge and freezer shows straight line no numbers. Any suggestions?


The double dashes in your display are for one of two reasons. First situation would be would be "you turned the unit off". Press the up arrow on the feezer or fresh food control until a 4 is in each display. Second, if the control is locked out, the board has been scrambled or failed possibly from a power surge. Unplug unit for 30 seconds, and plug it back in and try to set control's for "4". If controls are still locked out, the board (12868513) needs to be replaced.

Jun 05, 2009 | Amana ABB2224DEW / ABB2224DEQ / ABB2224DEB...

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