Optoma HD80 Service Manual page 40

Check pattern
Inspection item
Criteria
2. PC calibration
Procedure
- Once main board is changed, YPbPr calibration
should be done as well.
(�) Test signal: 7���P
(�) Test Pattern: S�PTE BAR
- Note
(�) Calibration pattern should be in fill screen
mode.
(�) Please refer to 4-� to get into Service �ode
and OS� Reset.
(3) Choose and access YPbPr Calibration for
correction in service mode. Choose "menu"
to leave the service mode after all.
* Note: A�C adjustment can only be used once.
If there is any circumstances which needs to
be re-adjust, the adjustment is only effective
when you adjust at the odd number of times.
Otherwise, the black will not be dark enough.
- Test signal: 7���P
- Test pattern: In focus II or �4 gray RGBW
* After finishing Video calibration adjustment,
check �4 gray RGBW pattern.
- Color saturation
- There should not have any lack of RGBW. The
color should appear normal and sort in right
order.
- Color levels should be sufficient and normal.
(the unidentified color levels on both left and
right sides should not over � color levels.)
- Gray level should not have abnormal color or
heavy lines.
- Test equipment: video generator
- Once main board is changed, PC calibration
should be done as well.
(�) Test signal analog: ����� ������������Hz
HD80/HD80-LV/HD803-LV Series
����� ������������Hz ����Hz
SMPTE BAR
In focus II / 64 Gray
RGBW
Confidential
4-7