Optoma HD71, Service Manual

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HD71/HD710/HD75 Confidential
4-12
Display Size - All preset modes shall expand to full
screen size using OSD Horizontal and
Vertical Size controls
Display Data Channel (DDC) - The purpose of the DDC test is to
verify the DDC1/DDC2B operation of
the projector and to verify Plug & Play
function.
Acoustic - High pitch sound from cooling fan and
color wheel is unacceptable.
2. Check points for exterior and print pattern
Check item Check point
text & pattern
missing letters & pattern or blurry prints are
unacceptable.
exterior
dirt, scrape, water ripples and uneven color are
unacceptable.
buttons stuck buttons are unacceptable.
Focus ring Focus ring is functioning smoothly.
Logo
missing logo, missing prints and blurry prints are
unacceptable
screw
All screw sure be fixed and in right type.
elevator
Elevator is well-functioned.
Stuck key is unacceptable.
pedestal well-functioned
lamp cover It should be locked in the correct place.
Plastic parts
All plastic parts can not be brocken and dam -
aged.
Safety or warning
label
All safety and warning label should be visible,
including all contents.
Connector
All interface connector should be complete and
workable.