Before Beginning - InFocus LP500 Service Manual

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
Power Up
Connect AC power, and turn
the unit on.
Cosmetics and mechanicals
Adjust the projector so that the
image is square. Make sure
the lens is at a 90° angle to
the wall.
Composite video from video
source
On the keypad, press the
Video button.
S-Video from video source
Connect the S-VIDEO cable to
the projector.
Disconnect Yellow composite
(RCA) video connector.
LP500 Series Service Manual
Verification
Verify that the proper splash (logo) screen appears.
Verify image quality.
Verify that the elevator and leveling foot are functional.
Verify that the focus and zoom rings operate properly.
Verify cosmetics.
Verify that the video automatically synchronizes.
Verify there is no distortion, noise or other abnormalities.
Verify that the video automatically synchronizes.
Verify there is no distortion, noise or other video abnormalities.
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