- Ref. Defect specification table

 

6. Focus test

 

 

 

 

Procedure

- Test equipment: video generator

 

 

- Test signal: analog 1024 x 768 @60Hz

 

 

- Test pattern: Full screen

 

Inspection item

- Focus check

 

Criteria

- From screen 2.38 M via visual to check the focus,

 

Full screen

 

look at the entire screen, focus shall be clear,

 

 

 

crisp, and sharp over the entire surface of the dis-

 

 

play pattern. (Blur word on one of the corner after

 

 

adjustment is acceptable. However, the word

 

 

should at least be recognizable.)

 

7. Color performance

Procedure

- Test equipment: video generator.

 

- Test signal: 480p, 720p, 1080i

 

- Test pattern: Master, 64 gray RGBW or SMPT-

 

Ebar

 

* Please refer to 4-2 to get into service mode. 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 8 color levels.)

 

- Gray level should not have abnormal color or

 

heavy lines.

 

- If color appears abnormal, please get into service

 

mode to do Color Wheel Index adjustment.

Master

64 gray RGBW

SMPTEbar

- The PC mode functionally sure be workable

 

X1161/X1261/X1161A/X1161N/X110/H5360

Confidential

4-

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Acer X110 service manual Focus test, Color performance