Others - Optoma EW536 Service Manual

4-9 Others

1. Function Inspection
General
Factory Default
Display Size
Display Data Channel
(DDC)
Acoustic
2. Check points for exterior and print pattern
Check item
Text & Pattern
Exterior
Focus ring
Logo
Screw
Pedestal
Lamp Cover
Plastic Parts
Safety or warning
label
Connector
- All OSD functions must be checked for func-
tionality. When OSD menu is displayed, there
shall be no visible peaking, ringing, streaking,
or smearing artifacts on the screen.
- The factory settings (with appropriate center-
ing, size, geometry distortion, etc.) shall be
displayed upon "Recall" is selected from OSD.
- All preset modes shall expand to full screen
size using OSD Horizontal and Vertical Size
controls.
- The purpose of the DDC test is to verify the
DDC1/DDC2B operation of the projector and to
verify Plug & Play function.
- High pitch sound from cooling fan and color
wheel is unacceptable.
Missing letters & pattern or blurry prints are
unacceptable.
Dirt, scrape, water ripples and uneven color are
unacceptable.
Focus ring is functioning smoothly.
Missing logo, missing prints and blurry prints are
unacceptable
All screws should be fixed and in right type.
Well-functioned
It should be locked in the correct place.
All plastic parts can not be broken and damaged.
All safety and warning labels should be visible, including all
contents.
All interface connectors should be complete and workable.
Check point
EW536/HD66/DW318
Confidential
4-12