Optoma HD80 Service Manual page 38

4. Dead Pixel (Bright pixel)
Procedure
Inspection item
Criteria
5. Dead Pixel (Dark pixel)
Procedure
Inspection item
Criteria
6. Focus test
Procedure
Inspection item
Criteria
- Test equipment: video generator.
- Test signal: analog ����� �� ������������.
- Test Pattern: Gray ���
- Bright pi��el check.
- �d�acent pi��el. - �d�acent pi��el.
- Bright pi��el is unacceptable.
- �d�acent pi��el is unacceptable. - �d�acent pi��el is unacceptable.
- Ref. the �efect specification table. the �efect specification table.
- Test equipment: video generator.
- Test signal: analog ����� �� ������������.
- Test Pattern: full white
- �ead pi��els check.
- White pattern (IRE=�����)
- �d�acent pi��el.
- �ark pi��el is unacceptable in �one � and no
more than � in �one B.
- �d�acent pi��el is unacceptable.
- Ref. the �efect specification table. the �efect specification table.
- Test equipment: video generator.
- Test signal: analog ����� �� ������������
- Test Pattern: full screen or MEME Sony
- Focus check
- From screen �.5 M via visual to check the focus,
look at the entire screen, focus shall be clear,
crisp, and sharp over the entire surface of the
display pattern. (Blur word on one of the corner
after ad�ustment is acceptable. �owever, the
word should at least be recogni�able.)
HD80/HD80-LV/HD803-LV Series
����� �� ������������. ������.
����� �� ������������. ������.
����� �� ������������ ������
Gray 10
Full white
Full screen
Confidential
4-