Question about Samsung SPN4235 42 in. Plasma HDTV

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Samsung spn 4235

I have the same problem as everybody else. My tv, went black after flashing red, 5 times. You have mentioned the probable cause as ,"y-sus board." I have called around and NOBODY knows what a ,"y-sus board", is. Is there another name for the board? Please help. Thanks.

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Y-Buffer board?

Posted on Sep 22, 2008

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1 Answer

SPN 4235: Picture goes off


It is a loose connection, need to open the unit and the tap on the board and cables connected to check the loose connection. be careful to use a rubber gloves.

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My Samsung SPN-4235 had the picture go out several months ago. When the power button is pushed, it just flashed on and off. It wouldn't power on for 6-7 weeks, came back on for a few days, then started to...


The flashing led is on the logic board and it indicates communication from the main bd to the logic bd via the lvds cable --your problem would best be analyzed by verifying the va - vs - ve - vset -and vsc voltages - then if all are good it could possibly be the y-main or the x main bds

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DOES THE HDMI INPUT WORK, IF SO USE IT, OR REPLACE THE MAIN BOARD

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1 Answer

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It could be the mainboard is damaged, but in order to be more specific I need a little bit more details on symptoms.

Jul 07, 2009 | Samsung SPN4235 42 in. Plasma HDTV

1 Answer

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The only simple fix fix for that may be an "ac boot", otherwise known as "unplugging for 1 minute, the plugging it back in.
Sometimes the internal microprocessor gets scrambled and this *might* help. If not, there is an internal fault which needs attention from qualified personnel.

www.mcveyelectronics.com

May 02, 2009 | Samsung SPN4235 42 in. Plasma HDTV

1 Answer

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1 Answer

Samsung 42" Plasma spn-4235 Went black


SOMETHING IS LOADING DOWN THE POWER SUPPLY...COULD BE THE Y-SUS BOARD OR UPPER OR LOWER Y-DRIVE BUFFERS...TAKE THE BACK OFF SET..GIVE IT THE SMELL TEST AND EYEBALL THE FLAT I.C.`S ON THE THIN BOARDS TO THE LEFT OF Y-SUS BD. IF NO BURNING SMELL AND NO CRACKS ON THE FLAT I.C.`S ...TRY REPLACING THE Y-SUS BOARD...NUMBER ONE PRIME SUSPECT...DO NOT POWER UP SET WITH BACK OFF UNLESS YOU ARE QUALIFIED SERVICE TECH...JOE ACE

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