1-16 (No.YA085C)
TRAPEZIUM
adjustment
Signal
generator
Remote
control unit
021 TRAPEZ
(1) Receive a crosshatch signal.
(2) Enter the SERVICE MODE.
(3) Select
TRAPEZ
.
(4) Adjust
TRAPEZ
until vertical lines, especially lines at
the sides of the picture frame become parallel to the
both sides of picture tubes as close as possible.
(5) Check and readjust
TRAPEZ
item if the adjustment
becomes improper after some other geometric
adjustments are done.
SIDE PIN
adjustment
Signal
generator
Remote
control unit
020 EW PARAB
(1) Receive a crosshatch signal.
(2) Enter the SERVICE MODE.
(3) Select
EW PARAB
.
(4) Adjust
EW PARAB
until vertical lines close to the
both sides of the picture frame become straight to
vertical sides of picture tube without any bending to
left or to right side of the screen.
(5) Check and readjust
EW PARAB
item if the
adjustment becomes improper after some other
geometric adjustments are done.
CORNER
adjustment
Signal
generator
Remote
control unit
022 UC PARAB
023 LC PARAB
(1) Receive a crosshatch signal.
(2) Enter the SERVICE MODE.
(3) Select
UC PARAB
.
(4) Adjust
UC PARAB
until vertical lines at the upper
corners of the picture frame become vertical and
parallel to vertical corner sides of picture tube.
(5) Check and readjust
UC PARAB
item if the
adjustment becomes improper after some other
geometric adjustments are done.
(6) Select
LC PARAB
.
(7) Adjust
LC PARAB
until vertical lines at the lower
corners of the picture frame become vertical and
parallel to vertical corner sides of picture tube.
(8) Check and readjust
LC PARAB
item if the
adjustment becomes improper after some other
geometric adjustments are done.
Item
Measuring
instrument
Test point
Adjustment part
Description
Parallel
Straight
Straight
Straight
