Confidential
4-7
HD20/HD200X/HD2200/HD20LV/HD21/HD23
6. Focus test
Procedure
- Test equipment: video generator.
- Test signal:
analog 1920 x 1080@60Hz
- Test Pattern: full screen
Inspection item
- Focus check
Criteria
- From screen 2.39 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
-
justment is acceptable. However, the word should
at least be recognizable.)
7. Color performance
Procedure
- Test equipment: video generator.
- Test signal: 720p, 1080p
- Test Pattern: Master, 64 gray RGBW or SMPTE
RP-133
* Please refer to 4-2 to get into service mode 1. Use
720p & 1080p signal, master pattern to do HDTV
test. Color cannot discolor to purple and blue.
Inspection item
- Check if each color level is well-functioned.
- Color saturation
Criteria
- Screen appears normal. It should not have any
abnormal condition, such as lines appear on the
screen and so on.
- Color appears normal.
- It is unacceptable to have few lines flashing.
- RGBW should all appear normal on the screen and
sort from R -G-B-W.
- Color levels should be sufficient and normal. (The
unidentified color levels on both left and right sides
should not over 4 color levels.)
- Gray level should not have abnormal color or
heavy lines.
- If color appears abnormal, please get into service
mode 1 to do color wheel index adjustment.
64 gray RGBW
Master
Full screen
SMPTE RP-133