LP500 Series Service Manual 80
Before beginning
Make sure the work surface where you perform the functional tests is level and clean. Place the projector
on a soft surface (such as an anti-static mat) when running the tests.
Connect the following to the I/O panel on the projector:
♦ Video player through Composite Video and S-video ports
♦ Computer through M1A cable
Perform the following tests
Tests Verification
Power Up
Connect AC power, and turn
the unit on.
Verify that the proper splash (logo) screen appears.
Verify image quality.
Cosmetics and mechanicals
Adjust the projector so that the
image is square. Make sure
the lens is at a 90° angle to
the wall.
Verify that the elevator and leveling foot are functional.
Verify that the focus and zoom rings operate properly.
Verify cosmetics.
Composite video from video
source
On the keypad, press the
Video button.
Verify that the video automatically synchronizes.
Verify there is no distortion, noise or other abnormalities.
S-Video from video source
Connect the S-VIDEO cable to
the projector.
Disconnect Yellow composite
(RCA) video connector.
Verify that the video automatically synchronizes.
Verify there is no distortion, noise or other video abnormalities.
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