OBSERVING POINTS OF THE 2.16 Static convergence adjustment
CORNER OF THE PICTURE
Adjustment Preparation
The screen can face east or west.
I;; Display the cross pattern signal or the cross-
hatch pattern signal.
(3) R,G and B lens focus adjustment and R, G and
B raster inclination adjustment should have been
completed.
(4 G raster position adjustment, pincushion
distortion, and keystone distortion adjustments
OBSERVING POINTS should have been completed.
(5) R and B raster position (centering magnet)
adjustment should have been completed.
2.15 Blue defocus adjustment
(6) The dynamic convergence should have been
Adjustment Preparation coarse adjusted previously.
(1) Optical and electrical focus adjustment should Adjustment procedure
have been completed. (1) Set to CONVERGENCE ADJ. mode using the
(2) The convergence adjustment should have been MENU and CURSOR buttons of the remote
completed. control.
(3) Set Video conditions to factory reset. (2) Check that the variable range of the static
Adjustment procedure convergence adjustment is obtained as shown
below using the cursor buttons of the remote
(1) Input an all-white signal shown below to VIDEO
input. control transmitter.
(2) Short-circuit 2P sub-mini connectors on the red (3) RV,BV
and green CPT PW.Bs. to display only the blue
RO 5mm @B
beam.
5mm
(3) Turn the B Focus VR (Focus Pack) fully clockwise. -- t ------- B-m 4 -mm t -m
(4 Measure the brightness at the center of the
screen and turn the B FOCUS VR (Focus Pack)
counterclockwise to adjust the brightness of blue
as shown in Table.
(5) After the adjustment is completed, if blue
ml CM
exceeds the specification, turn and adjust focus I
so that the sticking out part of biue satisfies the (3) RH,BH
specification. I I
R@ @R
I I
I
ALL-WHITE SIGNAL WAVEFORM
5mm ,I + 4-:
TERMINATION CONDITION: OPEN
I I
l+ 5mm
I
I I
I I
BO @B
4-+ I I
If the adjustment cannot be done, turn the centering
STICKING OUT OF BLUE magnets for R and B and re-adjust the R and B raster
3 position.
Note: (1) Refer to page 15 for static convergence
adjustment.
Defocus sticking out specification
(2) Return TV set to normal mode by pressing
1 Screen Sire1 Blue sticking out
I the MENU button on the remote control.
50? 1 .Omm (3) Static convergence is set to standard mode
I I I
during memory initialization.
I 60? I 1 .Omm I
Condition: User controls are set to the initial set
positions (for shipment) Measuring point
Screen center.
Cautions: Correct the brightness gauge and amplitude
of the all-white signal periodically. The
aperture angle of the brightness gauge is 1?.
Use a cross-hatch pattern to check.
25 |
ACEC
HITACHI
