Question about Samsung HCL4715W 47" Rear Projection Television

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Blury lines in the picture / no picture / intermitent no control

This problem is just really upseting as its a relativley new tv. The picture gets some lines in it, all three colors and in a diamond pattern that is irratic. if i jossle the tv around or bang on the circuit board the picture comes back for a whyle. the problem reoccures unfortanatly. does any one have a better fix than to keep beating up the tv set.

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  • Bill Geisler Nov 05, 2006

    I looked at the board pretty close. The only spot I seen that was obvious was the loose connection where the attenna housing mounts to the main PCP. it appearedto be just the mounting that came loose. there are still three solid to the board. I did not think this had any bearing on the problem. I called a repair guy trying to get info and he mentioned a depression board? does this sound like a viable solution? I unpluged all cables and plugs to make sure there were good connections. I think i may take the boards out again and re inspect. Can you pinpoint me to the correct circuit board to look for trouble. there are three. main power, Depression? and the main PCP if thats correct. I have now been getting blips of color lines red blue green that turn into the full blur cross diamond pattern. the banging of the board still corrects the problem temporaly.

  • Bill Geisler Nov 27, 2006

    Hello I have new news regarding the problem with my TV. The problem is fixed. I took the advice I recieved about hte circuit board and looked over it very closely. I found that some gel had leaked onto the circuit board and coroded two wired on the board. once I cleaned the mess off the board and put it all back together. The TV works fine now. I believe that some of the cooling gel around the green tube leaked out causing the problem. I hope that this will help someone else.

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Is great you have already found the place to hit and get the picture back,is a loose conectiont that need resoldering before it gets worst or damages something,be ateentive were you hit and flip the crcuit board,the broken solder joints should be easy to spot. If you are not too familiar with tv service seek the help of a servicer and tell them what you do to make it work,the repair should not be xpensive since you already diagnose the problem.Good luck

Posted on Nov 05, 2006

  • Omar Urrutia
    Omar Urrutia Nov 05, 2006

    Your rating response is also important.

  • Omar Urrutia
    Omar Urrutia Nov 21, 2006

    Even if only one of the mounts is loose can give you problems,it could be the one that conects the ground to the other three,it should be resoldered regarless,resolder anything that does not look right.You already know you have a loose conection.

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