Service manual
ES526/EX536/EX531/CB2800/ES526L/EX536L/DS316L
Condential
4-8
5. Blemish (Bright)
Procedure - Test equipment: video generator
- Test signal: analog 800 x 600 @60Hz
- Test pattern: Gray 10
Inspection item - Bright blemish check. (dirty)
Criteria - It is acceptable when it has 4 bright blemishes
under gray 10 pattern.
- Ref. Defect specication table
Note: The defect criteria follows TI specication.
6. Blemish (Dark)
Procedure - Test equipment: video generator
- Test signal: analog 800 x 600 @60Hz
- Test pattern: Blue 60
Inspection item - Dark blemish check. (dirty)
Criteria - It is acceptable when it has 4 bright blemishes
under Blue 60 pattern.
- Ref. Defect specication table
Note: The defect criteria follows TI specication.
7. Focus test
Procedure - Test equipment: video generator
- Test signal: analog 800 x 600 @60Hz
- Test pattern: Full screen
Inspection item - Focus check
Criteria - From screen 2.4 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 adjustment is
acceptable. However, the word should at least be
recognizable.)
Gray 10
Blue 60
Full screen