JVC AV-14RM4SE Service Manual page 17

Measuring
Item
instrument
HORIZONTAL Signal
POSITION generator
OFFSET
(50Hz) Remote
adjustment control unit
C
4.6.7 VIDEO CIRCUIT
Measuring
Item
instrument
WHITE SIgnal
BALANCE generator
(Low light)
adjustment Remote
control unit
WHITE SIgnal
BALANCE generator
(High light)
adjustment Remote
control unit
Test point Adjustment part
HPOS
D
Test point Adjustment part
WR
WG
WB
BR
BG
Description
(1) Receive a PAL circle pattern signal of vertical
frequency 50Hz.
(2) Enter the GEOMETRY MENU.
(3) Select HPOS (Horizontal position) with the [ ]/[ ]
key.
(4) Adjust HPOS with the [ ]/[ ] key until the circle
pattern is horizontally centered. (C=D)
(5) Check and readjust HPOS item if the adjustment
becomes improper after some other geometric
adjustments are done.
Description
(1) Receive a black & white signal (colour off).
(2) Enter the SERVICE MENU.
(3) Select WR / WG / WB with the [ ]/[ ] key
respectively.
(4) Adjust WR / WG / WB with the [ ]/[ ] key,
respectively, until the white part turns to pure white
without any other colour.
(1) Receive a black & white signal (colour off).
(2) Enter the SERVICE MENU.
(3) Select BR / BG with the [ ]/[ ] key respectively.
(4) Adjust BR / BG with the [ ]/[ ] key, respectively
until the white part of screen make white colour.
(No.YA081)1-17