Question about LG 42LG30 42 in. LCD HDTV

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Samsung PS50Q7HDDX I am looking to buy a mains board for the above tv. the part number is as follow: BN94-01045B I would like to order one asap. any suggestion is welcome.

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  • Julio Hernandez
    Julio Hernandez May 11, 2010

    Contact union electronics 1 800 648 6657 Julio


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I have ordered TV parts from this guy before, If you can't find the board worth speaking to him on the phone

Posted on Aug 04, 2009

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Posted on Jan 02, 2017

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Hi I have a samsung le32c45oe1w tv which has had the arial connector snapped off the back, The question is can this be fixed easily by replacing the parts behind the back panel, I asume that all the...

TV Parts Universal TV Stands DLP Chips ShopJimmy Order the main board from here. On the back of the TV all the screws with arrows pointing to them have to come out. The back will come off then. get the number off the main board, then go online to order the part. It's easier than replacing a motherboard in a PC.

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Our Ps42s5H TV regularly at 8PM at night looses picture on the top 1/2 of the screen only. The picture usually returns without any interferance but the set continues this behaviour for appro 1/2 hour and...

This is down to your Y Buffer upper board, Take the back off you tv and look to your left, you will see a main Y sustain board and then to the left of that 2 x thin long rectangular boards connected to your main Y baord and screen
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I would stress to do this ASAP as it might take your main Y Sustain board out and these are expensive to replace!!.
This should 98% of the time cure your problem.
Hope this helps

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Power Supply Board for SAMSUNG 40" LCD TV Model LA40R81BX

You'll find some Samsung power supply boards here :
but you have to open your TV first and find out model number

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A Samsung Tv model #HLN5065W

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Samsung HLN5065W Replacement Part Digital Main Assembly Board

***There's also a manufaturer's notice: If you replace the digital main board (BP94-00385A) you must replace the main analog board (BP94-00434A) per mfg bulletin# ASC20040728004.***

Samsung HLN5065W Replacement Part Main Analog Board

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8 Answers

Samsung TV won't turn on- trying to fix it. A challenging problem

I had the same problem. I live in NJ and called the local authorized "service provide" listed on the Samsung website. What a joke. Quoted $350 just to show up, never showed up. So I opened my own TV. Took off the plastic back (10 screws) took off the large metal RF shield (12-14 screws) and noticed a blown component. The markings on the component were KL15L and it is apparently an NTC Thermistor. Obviously it got fried and not knowing if there was other damage I decided to set out to replace the entire Power PCB Board Assembly and not the component. There were two part numbers on the assembled board (BN97-00457E & BN94-00622E). After searching online I also found a suitable replacement number for these (BN96-04896A). I found two places who claimed to have the part or have it on order ( and After placing orders with both and having neither come through, I broadened my search and found out that the LNR409D was basically the same model as my LNR408D so I looked for its Power PCB Board Assembly part number which turned out to be BN41-00521B. Google search for that part number showed the item available on ebay. I bought it a week ago (ebay 260311519904) for $144 plus $12 shipping. I removed the bad board an hour ago (6 screws about 7 connectors) installed the new one, plugged in the connectors, replaced the covers, plugged in the TV... AND IT WORKS!
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