Question about Panasonic PT L720U Multimedia Projector
The only other thing that could cause this once the lamp has been replaced is the Ballast ( lamp's powersupply )
If I could give you a tip , rather replace this part than repairing it , as I have found that the problem comes back most of the time on a repaired Ballast.
Posted on May 13, 2008
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Posted on Jan 02, 2017
Tips for a great answer:
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In order to set the CONTROL KEY to "ON" without
using the remote control unit, keep holding down
the ENTER button on the projector and press the
MENU button for more than 2 seconds. It will then
be turned ON.
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