In case of warming up of more than 2 hours under a conditionNote:Keep in mind that only the BLUE electric focus is ad-
that the large anode current is running through the projectionjusted with the black cross-hatch.
tube so that for example the all-white pattern appears, adjust
to obtain the sharpest focus while observing the whole screen20. Check the BLUE focus of the whole screen and if neces-
like in the RED case.sary repeat steps 17 and 19.
21. Fix the BLUE lens by tightening its fixing screws.
11. Press a button on the remote controller in order to display
the internally-generated black cross-hatch. (See TEST
SIGNAL SELECTION on page 11.)TILT ADJUSTMENT
Rotate R, G, B deflection yoke so that picture becomes hori-
zon, then fasten screw.
CENTERING ADJUSTMENT
1. Stretch a thread between two center slots of screen edgeGENERAL ADJUSTMENTS
(top and bottom, left and right).
12. Use the focus VR of OG� of the focus pack in order to ad-
just the electric focus in the middle section of the screen
to its sharpest level.
Note:Normally the most clearly visible point of the scanningSPECIFIC INFORMATIONS
line is the sharpest point of the Green focus, however as2. Select the adjustment mode. (See page 10.)
the characteristics vary depending on the projection tube,3. Press TV/VIDEO button on the Remote Control to display
the sharpest focus points of the vertical and horizontalthe black cross-hatch.
lines may not match each other, thus when you turn the
focus VR, if the picture tends to be tremendously unstable
(rolls horizontally or vertically), adjust the balance of the
vertical and horizontal lines to its best position.
13. Check the GREEN focus of the whole screen and if
necessary repeat steps 10 and 11.
14. Fix the GREEN lens by tightening up its fixing screws.
15. Expose only BLUE by covering the RED and GREEN
lenses with caps.
16. Press a button on the remote controller in order to display
the internally-generated cross-hatch (See TEST SIGNAL
SELECTION on page 11.)4. Adjust G centering magnet so that the cross-hatch pat-
17. Loosen the BLUE lens fixing screws (refer to Fig. a), andtern center comes to screen center.
adjust the BLUE lens focus while observing the middle
and peripheral screen sections.5. Perform HEIGHT adjustment . (See page 14.)
18. Press a button on the remote controller in order to display6. Perform VERT. LINEARITY adjustment. (See page 14.)
the internally-generated black cross-hatch (See TEST SIG-7. Perform WIDTH adjustment. (See page 14.)
NAL SELECTION on page 11.)8. Check whole quality of green line.
19. Use the focus VR of OB� of the focus pack in order to adjust9. Adjust R, B centering magnet so that the cross-hatch pat-
the focus in the middle section of the screen to its sharpesttern center comes to screen center.
level.
(The point of the Blue focus becomes sharpest when the
brightness level of BLUE is lowest, the cross-hatch is
clearly visible.)
� 7 � |
ACEC
TOSHIBA
