Service manual

Ver. 3/00 1-2 Sharp Electronics Corporation

HOW TO CONVERGE THE LCD PANELS (continued)

Step Procedure Ref. #

2. Removal of

body panels.

1. To remove the cabinet, refer to the service manual for the

specific model.

3. Adjustment

of the blue

panel.

1. Supply the projector with a blue and green crosshatch

signal from the pattern generator (on most video signal

generators, it is possible to remove one or more of the 3

colors making up the crosshatch signal. In this case red

must be removed. To do this refer to the instructions for

the pattern generator).

2. Use the L-shaped hex wrench to loosen the two hex screws

labeled “Lock Screw” in fig. 1.

Be sure to leave the lock screws tight enough so that when

an adjustment is made, the panel will stay in that position

until the lock screws are fully tightened after the

completion of all adjustments.

3. Use the eccentric cam wrench to adjust the Y axis (up and

down).

4. Use the eccentric cam wrench to adjust the X axis (side to

side).

5. Use the eccentric cam wrench to adjust the θZ axis

(tilt).

6. When the blue image is converged within specifications to

the green panel, tighten the two lock screws to secure the

adjustments.

NOTE: Tightening the screws may cause mis-convergence.

If this happens, readjust the affected panel.

fig. 1