Acer PD721 Información técnica descargar pdf (Pagina 36)

29 Chapter 4

Performance Troubleshooting

Start

Have image?

Uniformity OK?

Is color OK?

Have garbage

pattern?

No

Change

M/B

No

Change

DMD Board

Yes No

Change

DMD Board

No

Change

Engine Module

Change

DMD

Board

Yes

No

Yes

Yes

No No

Color Adjust

Procedure

* Note 1

Change

M/B

No

Change

DMD CHIP

Change

Photo

Sensor

No

Change

M/B

No

Have line bar?

Dot defect isnt

compliant with

the spec.?

Yes

Change

DMD CHIP

Yes

Adjust

frequency

No

Yes Adjust

tracking

No

No

Change

M/B

No

Change

M/B

Have noise?

End

No

No

Change

DMD Board

No

Change

DMD CHIP

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