JVC AV-28KT1BUF/A Service Manual page 18

Measuring
Item
instrument
HORIZONTAL Signal
POSITION generator
adjustment
Remote
control unit
C
HORIZONTAL Signal
SIZE generator
adjustment
Remote
control unit
Very
close
ANGLE Signal
adjustment generator
Remote
control unit
1-18 (No.52137)
Test point Adjustment part
038
118 (16:9 mode)
D
039
119 (16:9 mode)
Very
close
Screen size
Picture size 100%
016
Description
(1) Receive a PAL circle pattern signal.
(2) Enter the SERVICE MENU.
(3) Select ADJUST MENU.
(4) Select 038.
(5) Adjust 038 to make C=D.
(6) Check and readjust 038 item if the adjustment
becomes improper after some other geometric
adjustments are done.
(7) Select 118 (16:9 mode).
(8) Adjust 118 in the same procedure.
(1) Receive a PAL cross-hatch signal.
(2) Enter the SERVICE MENU.
(3) Select ADJUST MENU.
(4) Select 039.
(5) Adjust 039 until vertical lines on both the left and
right part of the cross-hatch will be visible nor screen
will be so wide.
(6) Check and readjust 039 item if the adjustment
becomes improper after some other geometric
adjustments are done.
(7) Select 119 (16:9 mode).
(8) Adjust 119 in the same procedure.
(1) Receive a PAL cross-hatch signal.
(2) Enter the SERVICE MENU.
(3) Select ADJUST MENU.
(4) Select 016.
(5) Adjust 016 till the vertical lines of the cross-hatch
pattern become straight.
(6) Check and readjust 016 item if the adjustment
becomes improper after some other geometric
adjustments are done.