4-9 SD Card /USB flash disk Test (only for P3251)

1.SD Card Test

Procedure

- Test equipment: SD Card(include test pattern),

 

- Test Pattern: WhiteBlack,Graystep16, ColorBar

 

- Turn on the projector and plug SD Card into the

 

projector.

 

- Select “SD”-->”Photo”, play the test pattern in

 

SD Card.

 

- Press “2” button on remote controller when play

 

the WhiteBlack test pattern.

 

- Get into service mode (Please refer to 4-2).

 

- Select “Analog Settings”-->”MMS Calibration”

 

- “Success” will appear on MMS Calibration.

 

- Press”2” button on remote controller to play the

 

test pattern.

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.

2.USB flash disk Test

Procedure

- Test equipment: USB flash disk(include video file).

 

- Test Pattern: video file.

 

- Turn on the projector and plug USB flash disk

 

into the projector.

 

- Select “USB”-->”Video”, play video file in

 

USB flash disk.

Inspection item

- Check any abnormal color, line distortion or any

 

noise on the screen.

 

 

 

 

 

 

 

 

- Check the sound from speaker.

 

 

 

 

 

 

Criteria

- Screen and sound appears normal.

WhiteBlack_640x480

ColorBar_640x480

GrayStep16_640x480

P3150/P3250/P3150 Refresh/P3250 Refresh/P3251

Confidential

 

 

4-11

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Acer P3250 REFRESH, P3150 REFRESH service manual SD Card /USB flash disk Test only for P3251, SD Card Test