Sony KL-W9000 service manual Preparation

– 37 –

Adjustment Items and Procedure	Tools and	Test Points	Adjustment Places Illustration Waveforms and Values
	Signals

Registration Adjustment

Preparation

∙

Projected picture size

49.1 inch

∙

Projection distance

726.2 mm

∙

Aspect ratio

16:9

∙

Picture quality adjusting menu ... Standard

Note: To make the registration adjustment

G

The registration locking blocks are fixed with an adhesive, thus

B

requiring the registration adjusting block kit for service (4-047-

θ

337-01).

∙

Tools and Kit

Hex. wrench keys (2mm, 5mm)

Rotate with respect to the bottom right

1.

Enter G monochrome crosshatch signal and also B monochrome

θ adjusting screw

B

G

crosshatch signal, then adjust registration between G and B.

NTSC signal generator

Adjusting regi. adjusting screws in the order of θ → X → Y,

X

overlap the B picture on the G picture as shown in figure.

2.

Enter all black signal to the B panel and also R monochrome

X adjusting screw

crosshatch signal, then adjust the registration between R and G.

B

3.

Tighten tentatively the registration locking screws on the R and B

Y adjusting screw

panels, and fix the registration blocks A and B with an adhesive.

4.

Tighten the regi. locking screws.

Y

To replace G panel

1.

Attach the G panel.

G

2.

Enter G monochrome crosshatch signal.

3.

Confirm that the center vertical line of crosshatch and that of

Adjust θ

screen almost coincide.

a1

4.

Loosen two screws on the θ G panel, insert an adjusting rod into a

θ adjusting hole and rotate it to adjust the θ within specification.

Adjust X (horizontal)

5.

Adjust registration of R and B.

No

a2

a

1+a2=Less than 1.3mm

Adjust Y (vertical)

Within specification?

Yes

Lock the

registration

KL-W7000/W9000RM-Y980