Question about Samsung Standard (CRT) Televisions

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Samsung tv my 55 inch tv model no. pcn5425r has a problem with picture. it has a green screen and a red screen overlapping.

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Convergence IC's or check for cracked solder joints.

Posted on Sep 21, 2008

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What are the menu settings supposed to be at for the color, picture, what do I do if the color is not right, pickish and green


Go to tv menu go to screen setting turn screen contrast to the max and screen brightness half midway point like 55.Tv real old like around ten years?Watches alots daily like 6 or 7 hrs a day?The tv CRT-(tv tube) might be to old,the radiation colors guns R,G,B insisde might not work as well as before.Have a reset setting in the colors setting?Go down to that press that,to restting for the factory colors setting.Or tries add more blue,a bit less green and red,see how that turn out?

Feb 05, 2011 | Panasonic CT-32G23 32" TV

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I have a Samsung CT5038VC CRT TV, it was showing very well , then suddenly, the entire screen went green! you can still see, but everything is green. Please assist me in finding the solution to this...


Hello

Since picture is there, sound also mut be. The screen colour went green is your complaint. It is due to the video output stage of your TV. The fault mainly occur in the picture tube base board card. Loose or bad solderings ara always noted. There are three video output trnsistors there in the base board In some models of Samsung sets, either three individual Ics or one single Ic is used. Anyway the fault lies around this card.
You jsut open your TV, pull out the base card from the picture tube neck, care must be taken when you do, not to shake sideways or up down. Just pull it straight back, otherwise picture tube base pins or picture tube neck wiil get damaged. Before doing this check the vlotages of the three cathode pins of picture tube base. It can be done withoug detaching it out from the neck. There are three cathodes. Blue, Green and Red. In most Tvs these voltage will come near to 130 vdc or so. In your TVs case, now the green cathode voltage will be low with respect to the other two cathodes.
This may be due to a loose soldering or fault related to green cathode itsef. If transistors are used, check the green output transistors collector voltage,and compare it with the other two voltages. If Ics are used, do the same. If one Ic is used the checkings are the same.
Just resolder all the loose suspected points before replacing anything first. If it does't help, you just desolder out the green bias drive, whether it is a transitor, or Ic, whatever may be. If it is transitor, just plug it to the picturetube and switch it on without the green drive. Now you must see a different colour, a mingle of red and blue, a type of cyan. If so you can make sure that green output, whatever type it may be, is faulty. Just replace it with same type and number. Check the 2W resistors, if any used, for open, especially to the green drive transistor load resistor. Ok.

Nov 13, 2010 | Samsung Standard (CRT) Televisions

1 Answer

When I switch to the DVD player on my Samsung Big screen TV, the pictures turns green. Tom


If the DVD player is hooked up with a Component Input connection on the TV. A red, blue, and green wire for video, one of them is backwards and needs to be switched and plugged in correctly.

Dec 24, 2009 | Samsung DLP HL-P5663W 56" TV

1 Answer

Inputs


learn lip reading..... but really 1080i inputs have to cut main circuit and be processed through your main amplifier .
shorted or too low a signal at input is a start.

Jan 08, 2008 | Samsung DLP HL-P5663W 56" TV

1 Answer

Green Screen


check on crt board green amp transister and associated ckt should be short. or green drive transister,or main jungle ic which drive green signal is sure defective, i had the same problem in rca 32 inch tv for all screen red,replacing chroma ic solved the problem.

Sep 12, 2007 | Insignia IS 20" TV040919 TV

3 Answers

Rca home theatre big screen tv


If it is truly a 52 inch standard projection set (you have it listed under 32V420T which is not a projection TV) and your 3 colors (red, green and blue) are no longer lining up and are all curved on the sides, then it means that your convergence power supply has stopped working. Post the actual model and chassis number and a better description of the picture here and I will be able to assist you further.

Aug 07, 2007 | RCA 32V420T 32" TV

1 Answer

Philips hdtv color distortion


your tv has a prolem in the color circuit there is a ic that controls this circuit changing it will restore your tv to normal.since you are not a tech have a tech look at it for repairs.good luck.

Aug 03, 2007 | Samsung TXM3296HF 32" TV

1 Answer

32 inch sony trintron tv red blue green


Switch OFF TV. Open rear Cover. Switch ON the TV. Now, very carefully, (There are very High and Dangerous voltages inside, also, use a mirror to see the screen) adjust a red colored box called "H.STAT" which controls the Horizontal Convergence of the CPT. Should solve your problem. Check some Vertical portion of a object (Text in some Video Title, wall of a building, etc, ) as a reference.

Sep 04, 2006 | Sony FD Trinitron KV-28FQ75 28" TV

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