(No.52139)1-17
TRAPEZIUM
adjustment
Signal
generator
Remote
control unit
TRAPEZ
(1) Receive a cross-hatch signal.
(2) Enter the SERVICE MENU.
(3) Press the [RED] key, then enter the H/V adjustment
group.
(4) Select TRAPEZ.
(5) Adjust TRAPEZ till vertical lines, especially lines at
the sides of the picture frame become parallel to the
both sides of picture tubes as close as possible.
(6) Check and readjust TRAPEZ item if the adjustment
becomes improper after some other geometric
adjustments are done.
(7) Press the [INFORMATION] key and memorize the
set value.
SIDE PIN
adjustment
Signal
generator
Remote
control unit
PARAB
(1) Receive a cross-hatch signal.
(2) Enter the SERVICE MENU.
(3) Press the [RED] key, then enter the H/V adjustment
group.
(4) Select PARAB.
(5) Adjust PARAB till vertical lines close to the both
sides of the picture frame become parallel to vertical
sides of picture tube without any bending to left or to
right side of the screen.
(6) Check and readjust PARAB item if the adjustment
becomes improper after some other geometric
adjustments are done.
(7) Press the [INFORMATION] key and memorize the
set value.
Item
Measuring
instrument
Test point
Adjustment part
Description
Parallel
Parallel