Question about Samsung SPN4235 42 in. Plasma HDTV

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Samsung spn4235 42 plAMSA

Tv was working fine , then went black, no menu or display, the tv turn on red light but no display,

i took off the back s42a-xdo2 on label , whick board do i replace,
also i have another samung s42d-ydo4 eare the boards exchanalbe,

this onhe turns on cant switch to a video input stuck on ant input which board

eric

avpros@sbcglobal.net

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

zjut
  • 106 Answers

SOURCE: picture is not coming on samsung spn4235

Remove the Power Supply cable to Y Main board and check the Vs voltage in Power Supply board.
1. Vs voltage is OK, replace the Logic board or Y Main board.
2. Vs voltage is NG, replace the Power Supply board.

Posted on Jan 01, 2008

  • 1 Answer

SOURCE: 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 (shopjimmy.com and vancebaldwin.com). 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!
Suggestion: If your TV is out of warranty then open it up (what have you got to lose) and see if the problem is obvious and maybe something you can fix (replace) yourself. The parts, spare boards, etc. are out there if you look.

Posted on Nov 16, 2008

  • 25 Answers

SOURCE: my samung spn4235 powers up, I have sound but no

Sounds like the inverter board for the lights is dead. You can verify this by taking a flashlight and shining it on the screen up close while its running to see if you see picture. If you do then the inverter board is dead. Rare occasions will the inverter board be fine, but the bulbs die.
If you don't see a picture then your power supply might have a problem with the rails supplying the video and light.

Posted on Nov 06, 2009

toddthetvmd
  • 101 Answers

SOURCE: my samsung plasma tv went out and it just makes a

It was not your power board, Thought the same on several repairs.Found out it was the main board. The clicking was the tuner relay. I bet you own a SP-R4232. If so,The part you need is BN41-00574A. Also might be under BN94-00669A. Hard to find. Try Shop Jimmy/Or Encompass Parts. Not cheep tho. Hope this info helps.
Have a happy new year. Todd

Posted on Jan 01, 2010

  • 927 Answers

SOURCE: Which Replacement Power Board for LNT4665F Samsung LCD TV?

Howdy,
It would be a lot cheaper if you just replace the two caps that have gone bad. Just get a cheap solder pencil from the store and about an inch of solder and you are in business.
The Power Supply Board is the center Board (towards left) after you remove the back off the TV. Remove Board from TV with the 6-7 screws. Replace capacitors CM852 & CM853; 2200ufd 25volts.

Thaks for using FIXYA, BIG IRISH.

Posted on Jan 02, 2010

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