Question about Samsung LN-S3251D 32 in. LCD HDTV

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I have Samsung ln-s3251d lcd tv. When powered on the screen flashes once then blank. Understand this points to a bad inverter. any additional troubleshooting to confirm bad inverter? and what is the correct part number/ supplier.

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 2 Answers

SOURCE: Bad transformer on Inverter Board

for me I think I'm gonna try Decision One a certified Dell fixer upper. I looked at my inverter and there were no burns that I could see. My problem is different from Headstrongs come to find out. Dell w3201c is the model number, it has samsung on parts under the hood....
good luck

Posted on Jan 15, 2008

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  • 2 Answers

SOURCE: Samsung LCD Flat Screen TV LN-S2651D - Volume Problem

I lived with it for about six weeks, then took the back off the TV. Just now it seems to be fixed, but I don't know if it will last.

I disconnected the wire leading to the channel up/down, volume up/down and source board, turned on the tv, turned it back off, reconnected the cable, and everything seems fine now.

Posted on Mar 14, 2009

Fixe_You
  • 1800 Answers

SOURCE: ln-s3251d sound oke no video

check connections

Posted on Jun 05, 2009

  • 1 Answer

SOURCE: Samsung LN-R408D - No Picture

My Mom's LNR408D also had sound but no picture. I was able to fix it by soldering in a jumper wire across a blown (1.5A ???) SMD picofuse on the "T-Con" board.
Consider attempting this ONLY if you: 0) Know enough to avoid the potentially fatal High Voltage parts of the power supply board!!!
1) Are a fearless hackazoid 2) know what you're doing with a soldering iron and teensie SMD parts 3) are gonna throw the busted thing out anyway so you have nothing to lose and won't be sad if you screw something up.
4) Know enough to avoid the potentially FATAL High Voltage parts of the power supply board!!!!!

74c09f0.jpg

This board is at the top center under a close fitting RF shield. The suspect part was labeled "CP" on the board and marked with "P" on the part. It is visible above the right-center of the connector from the main board. An ohmmeter showed it as open, so I bypassed it with a jumper wire from connector VIN to the hot side of C13. One image shows the suspect part and the jumper in place.

b761e87.jpg
The other shows the TCON board placement top-center (under its RF shield). With care, it seems possible to test the fuse and put the jumper in place without removing the shield. (Obviously don't touch anything else with the VOM leads!)

Thanks to ZORBUS and Steve's TV and Electronics for the idea.
http://www.avforums.com/forums/lcd-televisions/892447-no-picture-but-got-sound-my-samsung-lcd.html
http://www.gesda.com/transformer/Fall08_files/Page336.htm
Steve C

Posted on Sep 22, 2009

budmrtn
  • 11361 Answers

SOURCE: LN-S3251D mode not suported when

That means the video source resolution is too high for the TV to display, you need to lower it.
What is the HDMI attached to?


http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.

Posted on Nov 07, 2010

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1 Answer

SOUND NO PICTURE


Yes your right, THE BACK LIGHT INVERTER BOARD GONE BAD

Oct 17, 2012 | Samsung Televison & Video

1 Answer

When i turned the tv on today the picture came on with sound but then turned purple with vertical stripes. When i tried again, the screen remained black but still had sound. When I turned it off and back...


Youy may have bad T-CON, Power supply, LCD panel.
Learn about T-CON/LCD panel failure mode:

http://www.scribd.com/doc/25276757/E40951307-TCON-Troubleshooting-10-22-09-OPT


PDF download: http://www.mediafire.com/?zzjygannjty


Inside the TV:

http://s807.photobucket.com/albums/yy352/budm/SAMSUNG/Samsung%20LN-S3251D/


Try this when the screen goes black:
First, look at the screen in darkened room to see if you can see any slight glow from the screen, if it does, then the problem can be the T-CON (not getting the 12vdc) or the main logic board not feeding the signals to the T-CON board.
if not, next place to check will be the power supply module, make sure it has 24vdc which is required by the backlight inverter to work, the reason for not having 24vdc can be from bad DC filter caps (leaking/bulging top, high ESR) or short circuits in the inverter board which will cause the 24vdc supply to go into shutdown mode, so you may have to disconnect the power cable that feed the inverter board to see if the 24vdc will work without the inverter board hookup, you will need to apply about 3~4 amp of load to the 24vdc to make sure it can handle that. There are fuses on the backlight inverter boards also. So there is some troubleshooting you will have to do to find out the causes of the problem you are having.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.

Jun 10, 2011 | Samsung LN-S3251D 32 in. LCD HDTV

1 Answer

46" LCD Samsung TV Model# LN-S4692D I have no picture


The back light inverter board may have gone out or it is not getting the 24vdc from the power supply module. Start checking for voltage feeding the inverter board.
Parts: http://www.shopjimmy.com/catalogsearch/result/?q=Samsung+LN-S4692D+

Jan 07, 2010 | Samsung LN-S4692D 46 in. LCD HDTV

2 Answers

Samsung 32 lcd tv backlight off after 4 sec. audio ok


If your TV is staying on and you hear audio after the picture goes dark, then you have a problem with a CCFL or the inverter circuitry that drives them.

Most likely an inverter problem.

Like a bad xformer (usually fogged up plastic wrapper)

Or a bad cap (bulged, swollen, cracked)

Or maybe a shorted IC or transistor (test for short circuit between the different pins of the device)

Oct 08, 2009 | Samsung LN-S4051D 40 in. LCD Television

1 Answer

SAMSUNG TV


your tv inverter is bad

Aug 29, 2008 | Samsung LN-S3251D 32 in. LCD HDTV

1 Answer

Samsung LN-S3251D


We have the same problem we have had ours for 2 months, went to turn it off the and the tv froze, could not turn it off or change channel. We had to turn it off at the power point, now it will not turn on at all. The red light flashes but no picture.

Jul 05, 2008 | Samsung LN-S3251D 32 in. LCD HDTV

4 Answers

Bad transformer on Inverter Board


Hi.

This is very common with all makes of lcd tv unfortunately the transformers are near impossible to get hold of on there own.
Your best chance is either look on Ebay to see if anyone has A scrap complete tv same model for sale.
Or look for invereter board for sale.
Just to give you some idea of what you are looking for this is a link to A site in the UK that sells inverters.

http://www.chsinteractive.co.uk/electrical-components/lcd-television-inverters-etc.html

Chris.. http://dysonmanuals.llc.nu/

Dec 27, 2007 | Samsung LN-S3251D 32 in. LCD HDTV

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