LP630 Service Manual
68
The next step is to observe 3
computer images. These will
confirm that the computer input
works properly, and will test image
quality.
Press the
Computer
button on the
keypad.
Verify that the images project synchronize properly through the
following inputs:
RGBHV
VESA
M1 Analog
M1 Digital
Image #1: Focus Test Image
Turn off any local light.
Turn the
zoom ring
to make the
smallest image.
Focus the image so the middle
icon is clearly focused.
Focus the image on the 4 green
squares.
After focusing on the green
squares on the middle icon, turn
the
zoom ring
to make the largest
image, then repeat the focus tests.
Turn the
Image Shift
knob
clockwise and counterclockwise.
Verify that all four corner icons have clear resolution
Verify that the white space is visible on all 5 bar/line icon areas
(between green).
Verify that the image focuses through the full zoom range.
Verify that the image remains in focus when the Image Shift knob
is turned.
Image #2: Color Ramp
Project the Color Ramp image.
Verify there are no missing parts of the ramp.
Verify that the bars are not flashing.
Verify that the transitions from light to dark are smooth and
gradual.
Summary of Contents for LP630
Page 1: ...Service Guide for the LP630 010 0331 00 ...
Page 22: ...LP630 Service Manual 22 b The projection lens side of the controller ...
Page 23: ...LP630 Service Manual 23 c The front of the controller ...
Page 48: ...LP630 Service Manual 48 5 Lift the power supply from the bottom case ...
Page 52: ...LP630 Service Manual 52 ...