R, G, B FOCUS ADJUSTMENTTILT ADJUSTMENT
1. Before adjusting the R, G, B FOCUS, remove the 4 screwsRotate R, G, B deflection yoke so that picture becomes hori-
of Lens Assembly which is fixed on the CRT Assembly.zon, then fasten screw.
(See page 4.)
Then turn around the Lens Assembly by 180u to adjustCENTERING ADJUSTMENT
the fastening screw (Fig. a) and fasten the 4 screws to1. Stretch a thread between two center of screen edge (top
secure Lens Assembly.and bottom, left and right).
2. Select the adjustment mode. (See page 10.)
3. Press O7� button to display the built-in cross-hatch.
4. Press O0� and ORTN� buttons to make the picture a single
Red color.
100 button ................ to erase Red color
0 button .................... to erase Green color
RTN button .............. to erase Blue color.
GENERAL ADJUSTMENTS5. Loosen the fasten screw and adjust Red lens focus to best
focusing point of picture center. Then fasten the screw.
(See Fig. a.)
2. Receive NTSC.
Then select SERVICE MODE. (See Page 10.)
3. Select CONVERGENCE ADJUSTING mode, and press
"7" button to display the built-in cross-hatch pattern.
Move Cursol and recognize horizontal line indicated Y:4.
Fig. aThis line is vertical center. Push "9" button to display the
6. Adjust FOCUS VR OR� of FOCUS PACK to find best fo-vertical stripes, and recognaize horizontal center.
cusing point of picture center.
7. Repeat steps 3 to 5 for Green and Blue colors.
SPECIFIC INFORMATIONS
4. Perform VCEN adjustment. (See page 12.)
5. Adjust G centering magnet so that the cross-bar pattern
center comes to screen center.
6. Perform HEIGHT adjustment . (See page 13.)
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.
� 7 � |
ACEC
TOSHIBA
