45878 Просмотр технического описания (PDF) - Unspecified

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45878

BGA & CSP Rework System

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3.

Observe position of the screen splitting line on the screen. If the line does not run through the

center of the marks or while zooming in and out the screen splitting line moves, perform steps

a-f.

DWG # 8

a.

Loosen mounting block screws.

b.

Loosen pivot screw making 2 turns counterclockwise.

c.

Gently push the lens toward the unit until lens is in the extreme right hand position.

d.

Zoom out until image such as DWG # 9 is seen.

e.

Adjust positioning knobs (See DWG # 7) to move the screen splitting line symetrically

in the center of the 4 marks.

f.

Zoom in and out and observe if the screen splitting line moves between 4 marks. If the

screen splitting line does move, turn the pivot screw approximately 1/4 turn. Zoom in and

out to check if line moves. Continue turning screw 1/4 turn until the screen splitting line

remains stationary.

4.

Turn both positioning knobs (See DWG # 7) until the image of the pattern is positioned

approximately in the center of the screen and the line runs through the center of the pattern. (See

DWG # 9)

DWG # 9

SCREEN SPLITTING

LINE

DIAGONAL LINE

MARK ON THE DIAGONAL

LINE

5.

Observe the diagonal line. If it appears to be broken (See DWG # 10), follow the steps a-c.

ADDENDUM B page 8

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