Advertisement
4.6.4.2
PREPARATION
Measuring
Item
instrument
SCREEN TILT
Signal
adjustment
generator
Remote
control unit
H. POSITION /
Signal
H. SIZE (coarse)
generator
adjustment
Remote
control unit
RASTER
Signal
CENTERING
generator
adjustment
Remote
control unit
R G B
L1 = 40mm
1-46 (No.YA173)
Test point
Adjustment part
TEST MODE
[5.CONVER OFF]
G DEF. YOKE
R DEF. YOKE
B DEF. YOKE
[PROJECTION UNIT]
[1.PICTURE/SOUND]
D03 : H. SIZE
D14 : H. CENTER
F62 : Without
convergence operation
TEST MODE
[5. CONVER OFF]
G CENTERING
magnet
R CENTERING
magnet
B CENTERING
magnet
[PROJECTION UNIT]
mechanical
center
R G B
L2 = 45mm
Description
• Confirm correct FOCUS adjustment.
(1) Receive NTSC crosshatch signal.
(2) Enter TEST MODE [5.CONVER OFF].
(3) Select crosshatch pattern with [INPUT] key.
(4) Makes a green single color.
NOTE :
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 G.
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.
(1) Receive NTSC circle (or crosshatch) signal.
(2) Select 1. PICTURE/SOUND from SERVICE MENU.
(3) Select < F62 > (Without convergence operation) with
[CH +] / [CH -] keys.
(4) Change the data 0 to 1, then it makes picture without
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) After adjustment, select < F62 > and change the
data 1 to 0.
(10) Press [MUTING] key to memorize the set value.
NOTE :
Carry out after finishing adjustment of H. POSITION and
H. SIZE.
(1) Receive NTSC crosshatch signal.
(2) Enter TEST MODE [5.CONVER OFF] and select
crosshatch pattern with [INPUT] key.
(3) Adjust G CENTERING magnet to make horizontal
and vertical line center as mechanical center of
screen.
(4) Red and blue color too, are reflected by it.
(5) Using R CENTERING magnet and B CENTERING
magnet, adjusts for the line of the red(L1) and the
blue(L2) to become the position of the left figure.
NOTE :
Vertical center position of the red and blue are the
same as green.
Advertisement
