Optoma HD80 Service Manual page 37

Inspection item
Criteria
2. Light Leak
Procedure
Inspection item
Criteria
3. Blemish (Dark)
Procedure
Inspection item
Criteria
H. Position/V. Position to the inner screen.
- Eliminate visual wavy noise by Rsync, Fre-
quency or Tracking selection.
- Check if there is noise on the screen.
- Horizontal and vertical position of the video
should be adjustable to the screen frame.
- If there is noise on the screen, the product is
considered as failure product.
- If there is noise on the screen, use auto or
manual "frequency" function or "tracking" func-
tion to adjust the screen.
- �ake sure the PC mode functions well, �ake sure the PC mode functions well,
including that frequency and auto detected
functions are workable.
- Test equipment: video generator.
- Test signal: analog ����� �� ����������Hz
- Test Pattern: gray ��� pattern
- Check if the light leaks.
* Light leak on reflective edge, eye-catcher,
bondwires and e��posed metal.
- Light leak check.
- Bright blemish (dirty).
- Bright blemish is unacceptable in zone A and no
more than 4 in zone B.
- Ref. �efect specification table. �efect specification table.
- Test equipment: video generator.
- Test signal: analog ����� �� ����������Hz
- Test Pattern: blue ���
- �ark blemish check.
- The dark blemish is unacceptable in zone A and
no more than 4 in zone B under blue ��� pattern.
HD80/HD80-LV/HD803-LV Series
����� �� ����������Hz
����� �� ����������Hz
Gray 10
Blue 60
Confidential
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