4.7.4.2PREPARATION
Measuring
ItemTest pointAdjustment partDescription
instrument
SCREEN TILT Signal TEST MODE? Confirm correct FOCUS adjustment.
adjustmentgenerator[5.CONVER OFF](1) Receive NTSC crosshatch signal.
(2) Enter TEST MODE [5.CONVER OFF].
(3) Select crosshatch pattern with [INPUT] key.
Remote G DEF. YOKE
(4) Makes a green single color.
control unitR DEF. YOKE
B DEF. YOKENOTE :
[PROJECTION UNIT]When making a single color, while adjusting of one
CRT, put the cap on other lens.
(5) Temporarily secure the G deflection yoke to the top
of the neck and adjust the tilt of the deflection yoke
so that the horizontal line at the center becomes flat.
After adjustment, fasten the temporal screw.
(6) Adjust the tilt of the R and B deflection yokes in the
same manner as for green.
NOTE :
Make sure that the adjustment of CRT FOCUS is
optimized at the center and at the fringe of the center
in turn. If the proper adjustment has not been done,
adjust FOCUS VR again.
H. POSITION / Signal [1.PICTURE/SOUND](1) Receive NTSC circle (or crosshatch) signal.
SIZE (coarse) generatorD03 : H. SIZE(2) Select 1. PICTURE/SOUND from SERVICE MENU.
adjustmentD14 : H. CENTER (3) Select < F62 > (Without convergence operation) with
Remote F62 : Without [CH +] / [CH -] keys.
(4) Change the data 0 to 1, then it makes picture without
control unitconvergence operation
convergence operation.
(5) Makes a green single color.
NOTE :
When making a single color, while adjusting of one
CRT, put the cap on other lens.
(6) Select < D03 > (H. SIZE) and shorten the level until
and perpendicular amplitude of vibration with until
the blanking in Left and Right and on either side can
be seen.
(7) Select < D14 > (H. CENTER) and adjust horizontal
position to make the screen center and signal
center.
(8) Select < D03 > and adjust horizontal size to make
screen picture approx. 92% of H-SIZE.
(9) Press [MUTING] key to memorize the set value.
(10) After adjustment, select < F62 > and change the
data 1 to 0.
(11) Press [MUTING] key to memorize the set value.
RASTER Signal TEST MODENOTE :
CENTERINGgenerator[5. CONVER OFF]Carry out after finishing adjustment of H. POSITION and
adjustmentH. SIZE.
(1) Receive NTSC crosshatch signal.
Remote G CENTERING
(2) Enter TEST MODE [5.CONVER OFF] and select
control unitmagnet
crosshatch pattern with [INPUT] key..
R CENTERING
(3) Select crosshatch pattern with [INPUT] key.
magnet
(4) Adjust G CENTERING magnet to make horizontal
B CENTERING
and vertical line center as mechanical center of
magnetscreen.
[DEF. YOKE](5) Red and blue color too, are reflected by it.
(6) Using R CENTERING magnet and B CENTERING
R G Bmagnet, adjusts for the line of the red(L1) and the
blue(L2) to become the position of the left figure.
NOTE :
mechanicalVertical center position of the red and blue are the
center
same as green.
R G B
L1 = 40mmL2 = 45mm
1-46 (No.YA166) |
ACEC
