24232103 datasheet(6/50 Pages) TOSHIBA

6 / 50 page

– 6 –

WARNING : BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRE-

CAUTION” AND “PRODUCT SAFETY NOTICE” ON PAGE 3 OF THIS MANUAL.

PICTURE TUBE COMPONENTS ADJUSTMENT

DESCRIPTION OF NECK COMPONENTS

TILT ADJUSTMENT

Rotate R, G, B deflection yoke so that picture becomes

horizon, then fasten screw.

CENTERING ADJUSTMENT

1. Stretch a thread between two center slots of screen

edge (top and bottom, left and right).

2. Select the adjustment mode.

3. Press TV/VIDEO button on the Remote Control to dis-

play the white cross-bar.

4. Perform VCEN adjustment. (See page 11.)

5. Adjust G centering magnet so that the cross-bar pat-

tern center comes to screen center.

6. Perform HEIGHT adjustment . (See page 12.)

7. Perform VERT. LINEARITY adjustment.

8. Perform WIDTH adjustment. (See page 12.)

9. Check whole quality of green line.

10. Adjust R, B centering magnet so that the cross-bar pat-

tern center comes to screen center.

Deflection yoke and convergence yoke

The position on the neck is required most front

(CRT funnel side) and the screw is fastened after

rotating yoke adjusting picture tilt.

Centering magnet

After adjusting picture tilt, picture position is finally

fixed by this magnet.

In order to get maximum margin of user conver-

gence control for center of screen, this magnet

have to be used for center convergence adjust-

ment.

PREPARATION

Operate the receiver for at least 5 minutes.

R, G, B FOCUS ADJUSTMENT

1. Before adjusting the R, G, B FOCUS, remove the 4

screws of Lens Assembly which is fixed on the CRT

Assembly. (See page 4.)

Then turn around the Lens Assembly by 180˚ to adjust

the fastening screw (Fig. a) and fasten the 4 screws to

secure Lens Assembly.

2. Select the adjustment mode. (See page 9.)

3. Press “7” button to display the built-in cross-hatch.

4. Press “0” and “RTN” buttons to make the picture a sin-

gle Red color.

100 button ............... to erase Red color

0 button ............... to erase Green color

RTN button ............... to erase Blue color

5. Loosen the fasten screw and adjust Red lense focus

to best focusing point of picture center. Then fasten

the screw. (See Fig. a.)

Fig. a

6. Adjust FOCUS VR “R” of FOCUS PACK to find best

focusing point of picture center.

7. Repeat steps 3 to 5 for Green and Blue colors.

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