Question about Sanyo PLC XU48 Multimedia Projector

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Pink/burgandy dots or shadow on display screen

Our church has a new PLC-XU48 - has 70 hours on the lamp life. we use for both video and text display. Last night when we switched from video to text; we notice a big area on the bottom right corner of the screen with a lot of pink or burgundy spots that changed color of display. Thanks

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Normally one of 2 things will cause this.

  1. One if the small LCD panels inside has dead/stuck pixels. There are 3 individual panels that make up red, green and blue.
  2. Dust has entere the system and is sitting on the back of the polariser. This is a thin colour film ontop of the small LCD panel that sends the right colour light through the LCD.
If it's the first one, then it will be covered under warranty.
If it is the second they will normally cover it under warranty since their dudst filters have failed to keep the dust out of the projector.

Call the number in the back of your user manual for your area and they will arrange it all with you from there.

Posted on Apr 19, 2008

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Many times these projectors have circuitry to shutdown when they suspect the lamp is near the end of life. Lamp hours vary and usually will go up to and even beyond expectancy, but there is occasions you can receive a bad lamp and have it blow in a matter of hours...not common but it does occur.

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2 Press POINT DOWN button to move a red frame pointer to "Lamp counter reset" and then press SELECT button. The message "Lamp replace counter reset?" is displayed. Move
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I do not have remote. Church inherited projector.


Hello

Thank you for using
FixYa for your problem


  1. you need to enter factory Menu.

    You do so by doing the following:
    1).Start the projector.
    2).Press keypad <Source> and <Auto> keys simultaneously, enter " Lamp Hour info" layer
    3). Press <Source> and <Auto> keys simultaneously again, then enter factor menu.
    Do not change anything till you reach Lamp Layer where lamp hour and usage hour is given. If you reset, then all data revert to default - factory reset. you may chage here or under (2).
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  2. - Press exit for 3 seconds
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Please rate our solutions and if you still have problems please call back for more ideas to help you

Thanks
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Technical Support
New Zealand

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It sounds like the projection lamp is beginning to show its age. How many hours of use does the unit have on the bulb? The bulb are typically rated for about 800-1600 hours of use before they go bad. The bluish image on the screen image is a typical tell-tale sign that the bulb is going to need replacing.

Most of your better projection units will have an internal time counter of the bulb life from the time the unit is first used or when a bulb is replaced. Check to see if your unit has this feature, if so it will show you on the screen display what is the total number of hours on the bulb and the estimated remaining hours of life.

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I hope this shed some light on your church's projection problem.

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