Apple Multiple Scan 20 Display Specifications download pdf (Page 82)

Adjustments Non-User Controls - 5

Non-User Controls

After replacing the main deflection board and CRT/video

board module, check the following and adjust the display if

necessary:

• B+ voltage adjustment

• High voltage

• Screen adjustment

• Horizontal centering

• Focus adjustment

• Geometry

Perform the adjustments in the order presented here. Refer

to the following board diagram for adjustment/check points.

Note:

You do not need to remove the monitor stand for the

procedures in this chapter.

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Apple Multiple Scan 20 Display Specifications Page 82