Question about Samsung HCN653W 65" Rear Projection Television

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Bad signal board or something else?

There are faint lines in my picture and I was told that it was probably the signal board. I been unable to find a signal board on line. the tv is working but the lines are annoying. I have a samsung hcn653w 65in. rear projection tv. Is this something that I have to have a repairman come out and do? I had one come out but he didnt look all that trustworthy. Or maybe I should get a second opinion. He quoted me nearly 600 dollars. And that he would have to take my signal board apart and send it to Chicago to get re-built. This will take around 4 to 6 weeks. Please let me know if this is correct. Thank you

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This set is a dog...replace it

Posted on Aug 17, 2007

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You weren't very specific about your problem, but assuming you've tried different inputs and tried messing with the convergence setting, it may indeed be the signal board, and you may need to have it replaced. BTW these sets also have an issue with the dynamic focus circuit and with crt fluid leakage. Make sure that you do not have a fluid on one of the crt boards. And as always with repairmen, a second opinion couldn't hurt.

Posted on Apr 04, 2006

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SOURCE: samsung rear projicton tv 42 inch aa68-50523a

how do i converge

Posted on Dec 05, 2008

localwonder
  • 6784 Answers

SOURCE: rear projection tv screen warped

HI, this is typical convergence chip failure. you will need to replace the convergence board in this set asap. this will fix this issue you are experiencing.

Posted on May 23, 2009

  • 8457 Answers

SOURCE: I have a Samsung HLR5078WX that started with

Yes,take the advice of the reapairman.He correct,but make sure he give a good waranty,6 months.

Posted on Mar 12, 2010

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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1 Answer

Sound but faint picture


Hi Neil,
It a case of backlight failure. Most probably the inverter board has gone bad.
Good Luck.

Feb 08, 2016 | Sanyo DP32648 32 in. LCD TV

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How can I fix black screen on Philips 42" LCD TV?


chances are it is cracked solder joint on internal board,
check link below, press the helpful button

http://www.repairfaq.org/samnew/tvfaq/tvtmmqcs.htm

Jan 24, 2016 | Philips 42PFL7422D 42 in. LCD TV

1 Answer

How can I fix the picture on my TV screen that is white with faint image.


Check the aerial is ok, try another aerial on the set. It is unusual for FP tvs to have a bad picture. If the aerial is tested as being good try resetting the set to the factory default and then retune the cannels. I am assuming that you are receiving the signal through an aerial and not through cable/satellite dish.
The reset process may not not resolve the issue in which case it is probably time to get the services of a qualified technician. The fact that the picture stays on channel probably indicates that it is not a tuner error but something in the display ciruitry .

Jun 16, 2015 | Televison & Video

1 Answer

How do I get the picture on my tv back?


It's could be one of two things (well, generally speaking).

1.) inverter board. You can check this by putting the TV on something that's broadcasting or playing (a channel or an input playing a DVD or something like that, where you can hear the sound) and then take a flashlight and put it directly on the screen so the light is pointed at the screen. Put it as close as you can, it should be touching the screen so you can't see light coming out the side of the flashlight. Can you see the picture faintly moving normally? This usually works on something that's brighter and has lots of onscreen action, I wouldn't choose a documentary on deep space or something like that for this test. But if you can faintly see the picture moving as it normally would it's most likely your inverter board gone bad.

2.) main board. If the other test fails it's probably the main board that's gone bad.

Either of these you might be able to find a replacement on eBay with a tutorial on how to swap out the components on YouTube. If you believe this may be beyond the skillsets you posses, then you may just consider buying a new one as technicians can be expensive and these TVs are getting cheaper and cheaper every day.

good luck!

Oct 20, 2014 | Panasonic Televison & Video

1 Answer

I turn my tv on but the screen stays black


inverter board is probably bad. use a flash light to shine on the screen...if you can see a faint picture then the backlight board is bad.

Sep 22, 2010 | Vizio VO42L 42 in. LCD TV

1 Answer

My has multible lines streaming across the screen and unable to view picture. It sometimes stops and the flutters and starts up again.


usually a bad cap or 9v regulator on the signal board, requires surface mount soldering skills. estimate = $150-300

Sep 09, 2010 | Mitsubishi WS-55857 55" Rear Projection...

1 Answer

Monitor has cloloured lines or blank when turned on or resting


Hello,

The picture board on your monitor is bad, since the power led or button is on and all connection are corrrect, it means the picture board of your monitor has developed fault.

The best thing for you to do now is to take the monitor to a local repairer within your vicinity to help with the replacement of the picture board because the fault is not something you can fix yourself, in order not to complicate issues.

Take care

Jul 01, 2010 | X2Gen MV20TP Monitor

1 Answer

Faint or no picture on olevia / syntax tv model LT-37HVS


When you tune to a station and get sound I presume the screen is black so do the following.
Place a bright flashlight against the screen. Look for an image around the edge of the flashlight.
If you see an image the problem is probably one of three causes.

1) Power to the inverter board is bad.
2) Inverter board has failed.
3) The CCFT(cold cathode fluorescent light) are dead.

Someone knowledgeable in electronics can diagnosis it.

Mar 05, 2009 | Olevia LT37HVS 37 in. LCD HDTV

2 Answers

Mitsubishi ws-55513


Could be signal board issue,not related to DM.Might be terminal
board problem = less $ and easier to sub than signal PCB.......T.

Apr 15, 2008 | Mitsubishi WS-55513 55" Rear Projection...

4 Answers

The screen will not turn on


Yes these Monitors encounter problems:
1. Bad Inverter
2. Burned out Backlight
3. Power supply issues
Sounds like your inverter board is bad and backlight will probably follow!

Nov 25, 2007 | Gateway FPD1810 18.1" LCD Monitor

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