Before Beginning; Perform The Following Tests - InFocus DP8000 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:
♦
DVI Digital data source (PC)
♦
USB cable (USB port on computer to USB port on projector)
♦
Audio in to DVI from PC
♦
RGBHV (RGB data signal & component video)
♦
Composite video
♦
Audio in from video source
♦
Audio out to external powered speakers
♦
Serial communication (RS-232)

Perform the following tests

Test
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
Connect the yellow composite (RCA)
video connector to the projector.
S-Video from video source
Connect the S-video cable to the
projector.
Disconnect the yellow composite (RCA)
video connector.
Audio from audio source
On the keypad, press the Volume up
(right arrow), then the Volume down
(left arrow) buttons.
Manual source selection
On the keypad, press the Source/Select
DP8000/8000HB Service Manual
Verification
Verify that the proper splash (logo) screen appears. (If the
wrong logo screen appears, go to Change the Logo Screen on
page 72)
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.
Verify that the audio source plays through the projector's
speaker.
Verify that the volume controls function correctly.
Verify that the projector switches to the manually-selected
source.
Verify that the video automatically synchronizes.
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