Question about Samsung HC-P4752W 47" Rear Projection HDTV-Ready Television

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Call samsung file a complant

I have the same tv and it just went threw the same thing and it gets bad now after all new tubes ics and focus's its still not right the ics are not samsung they are sony & tubes dont know what they are but now i have a samsung sony tv a samsony if you will not funny so call samsong the dont sell there parts no more so its a lemmon 1800 726 7864 bought mine 5-05 $1495.00 alot of money every 2 to 3 years hey dan

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  • telecom7 Dec 16, 2008

    i am experiencing the same problem with HC-P4752W. I called smasung last week they said too bad soo sad. I tried again after reading your suggestion, the girl chuckled and said she could only give me repair companies in our area. 

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I like your Samsony, sorry to hear that but we still repair them in Australia I thing your problem in the main printer circuit borad included convergence drive but the part No. may be different from US and Australia check if that part No. exiting in US BP94-00756C

Posted on Nov 30, 2008

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Our tv gets red lines across the screen before the picture goes out. Happens intermittently.


Sad to say, this is one of the symptoms of a picture tube that is on its way out. There isn't anything that can be done to repair a bad picture tube, and it's uneconomical to replace one. Keep using the TV, and when the problem becomes permanent, replace it.

Oct 19, 2010 | Panasonic Televison & Video

1 Answer

My tv is called a mirai or something. About an 1 hour ago tonight, i was watching britain's got talent while i was putting things away then when i turned my back to look at my tv all of a sudden my tv went...


If you have sound,than a bad ground may have occured on the horizontal transformer or the vertical IC. These will have to be resoldered. In the event the vertical IC is resoldered you should have the capacitors immediately near this IC checked and replaced as necessary! I would imagine you are speaking about the older picture tube type TV. This info is for most tube type TVs. Hope this will help! Thanks for asking!

May 30, 2010 | Samsung TXJ2554 TV

4 Answers

Short red line in center bottom of screen on a samsung hc-p4752w. I just replaced the stk392-010 with stk392-040 due to failure and the red line was present before replacing the stk's. Convergence is now...


if the ic have been replaced, it may be necessary to refocus the rprojection tubes, this is done by moving the rings near the bottom of the tube, determine which tube and by focusing the lens .. be careful when doing so high voltage can kill you!!

Dec 25, 2009 | Samsung HC-P4752W 47" Rear Projection...

1 Answer

Green & Blue Ghosting Convergance problem


Odds are real good that the cooling fluid in the green and blue picture tube assemblies has become contaminated. You can tell by looking down into the lenses with a flash light. Funny thing is the red never gets contaminated because whatever organism is causing the problem can't survive in red light. BTW this may still not solve all of your convergence problems but when the colors are so badly diffused the convergence sensors for flash focus can't lock onto the beam landing.

Jun 01, 2009 | Samsung HCL473W 47" Rear Projection...

1 Answer

The screen has a wave across it you can see two of everything.


The convergence is out . There are big ICs in the tv that go bad or get bad solder connections, that control each CRT to focus the picture one on top of the other. DO NOT move or try to adjust lens. The fluid is a coolant like in your car to keep the tubes cool.

Nov 25, 2008 | Samsung HCM4216W 42" Rear Projection...

1 Answer

Samsung 42" rear projection HD tv issue


1 they are either rebuilt or a defective returned to stock accidentaly
2 yes securly attaching it helps the heatsinks keep even cooler. no you don't need heatsink grease.
3 if the tolernace is very far out of wack then it woun't take long befor they blow. once you have instaled the new board turn on the set enter mute,1,8,3 then perfect focus on the remote let it do it's thing then shut off the tv and resart the tv and press perfect focus again.

Mar 05, 2008 | Samsung HCM4215W 42" Rear Projection...

1 Answer

Image


Samsung parts for convergance problem
http://www.partstore.com/Part/Samsung/Samsung/BP9500142E/New.aspx

Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
Sony Convergence
http://www.techlore.com/blog/entry/19694/Sony-Convergence-Repair-My-Sony-TV-has-a-distorted-picture-/
http://www.techlore.com/article/19631/Sony-Convergence-Procedure/

Jan 29, 2008 | Samsung HCM5525W 55" Rear Projection...

1 Answer

Projection tv


A lot of times when the convergence ICs blow, there are also problems with resistors on the board (talking from Hitachi experience), or the board itself.

If the other problems, like blown resistors, are not repaired, the ICs will blow again right away. If the ICs are your only problem, then replacing them may work
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 10, 2008 | Samsung HCL4715W 47" Rear Projection...

2 Answers

Samsung HCN473w out of focus


The convergence IC's in this TV set are bad. Both IC's should be replaced at the same time. They are labeled STK 392-040. Use only the ones that are not replacements but from a reliable source. The complete convergence board is no longer available from Samsung, so this is why these IC's need to be replaced. You will also need the service manual for this TV set as after vthe IC's are replaced you will need to go into the service menu and do a convergence alighnment. Good Luck

Mar 27, 2007 | Samsung HCN473W 47" Rear Projection...

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