JVC AV-21RM4SP, Руководство по обслуживанию

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(No.YA080)1-17
VERTICAL
POSITION
(50Hz)
adjustment Signal
generator
Remote
control unit
VPOS (1) Receive a PAL circle pattern signal of vertical
frequency 50Hz.
(2) Enter the GEOMETRY MODE.
(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.
HORIZONTAL
POSITION
(50Hz)
adjustment Signal
generator
Remote
control unit
HPOS (1) Receive a PAL circle pattern signal of vertical
frequency 50Hz.
(2) Enter the GEOMETRY MODE.
(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.
VERTICAL
LINEARITY
adjustment Signal
generator
Remote
control unit
VLIN (1) Receive a PAL circle pattern .
(2) Enter the SERVICE MODE.
(3) Select VLIN with the [
]/[ ] key.
(4) Adjust VLIN with the [ ]/[ ] key until circle as round
as possible.
Item
Measuring
instrument
Test point Adjustment part Description
A
B
C D