Question about Samsung HCN5527W 55" Rear Projection Television

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Auto focus I changed the convergence board, now the perfect focus will only go to 37%. At least the set is watchable now, but is there somehow I can fix this problem? The words are still fuzzy. Thanks, Blenda

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  • blendagour Jun 24, 2008

    I don't have the money to hire a service tech, but I used the Mute 183 to get into the service mode and fix the convergence lines. The perfect focus will now get to 83%, but will not save the data. Our picture is fine at this point, so I guess I will leave well enough alone.

  • blendagour Jun 25, 2008

    It does stop on the blue and gets very cloudy.

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You will need a service tech to alien the convergence in the service mode then perform the perfect focus in the service mode to lock this setting in memory.

Posted on Jun 21, 2008

  • Robert Johnson Jun 25, 2008

    does it stop during the blue alienment? I have found that the blue gun often has the fluid get cloudy and the sensors can't find the blue. this can play havick with convergance amps.

  • Robert Johnson Jun 25, 2008

    the fluid in the blue gun needs to be replaced, and the crt face cleaned. after that is done then it should recognize the blue lines on the sensors. the fluid is ethylene glycol and should be handled with care and disposed of according to local law. I've done a number of these sets, all of them have this very problem. fluid replacement should be done in a clean room and ware protective clothing and latex gloves.

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