JVC AV-14RM4SE Service Manual page 16

Measuring
Item
instrument
HORIZONTAL Signal
POSITION generator
OFFSET
(60Hz) Remote
adjustment control unit
E
VERTICAL SIZE Signal
(50Hz) generator
adjustment
Remote
control unit
Very close
Screen
size
Very close
VERTICAL Signal
POSITION generator
(50Hz)
adjustment Remote
control unit
1-16 (No.YA081)
Test point Adjustment part
HPOF
F
VSIZ
Picture
size
100%
VPOS
A
B
Description
(1) Receive a NTSC circle pattern signal of vertical fre-
quency 60Hz.
(2) Enter the SERVICE MENU.
(3) Select HPOF with the [ ]/[ ] key.
(4) Adjust HPOF with the [ ]/[ ] key until the circle
pattern is horizontally centered. (E=F)
(5) Check and readjust a horizontal position item if the
adjustment becomes improper after some other
geometric adjustments are done. Press the [MENU]
key and memorize the set value.
(1) Receive a PAL crosshatch pattern of vertical fre-
quency 50Hz.
(2) Enter the SERVICE MENU.
(3) Press the [GREEN] key to enter the GEOMETRY
MENU.
(4) Select VSIZ (Vertical size) with the [ ]/[ ] key.
(5) Adjust VSIZ with the [ ]/[ ] key until the horizontal
black lines on both the upper and lower horizontal
sides of picture size and nearly about to disappear.
(6) Check and readjust VSIZ item if the adjustment
becomes improper after some other geometric
adjustments are done.
(1) Receive a PAL circle pattern signal of vertical
frequency 50Hz.
(2) Enter the GEOMETRY MENU.
(3) Select VPOS (Vertical position) with the [ ]/[ ] key.
(4) Adjust VPOS with the [ ]/[ ] key until the circle
pattern is vertically centered. (A=B)
(5) Check and readjust VPOS item if the adjustment
becomes improper after some other geometric
adjustments are done.