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JVC AV-28WX1EP Service Manual page 34

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AV-28WX1EP
AV-32WX1EP
[AV-32WX1EP]
INITIAL SETTING VALUE LIST
ADJUSTMENT
ADJUSTMENT
NAME
ITEM
VARIABLE
RANGE
1. V-SLOPE
Vertical height
2. V-SHIFT
Vertical center
. V-SIZE
Vertical height
Horizontal center
Horizontal width
. EW-PIN
Side pin correction
-31~ +32
-31~ +32
-31~ +32
mn
. TRAPEZ
Trapezoidal distortion correction
Verlical height correction
-31~ +32
31~ +32
went ee
Side pin four corner
correction
ADJUSTMENT
ITEM
4, V-SLOPE
2. V-SHIFT
ADJUSTMENT
NAME
Vertical center
3. V-SIZE
Vertical height
4, H-CENT
Horizontal center
5. H-SIZE
Horizontal width
7. TRAPEZ
8. V-S.CR
Side pin four corner
correction
9. EW-COR
2-24 (No.51108)
-31~ +32
VARIABLE
RANGE
PANORAMIC
50Hz
16:9 ZOOM
14:9 ZOOM
t
ae
AV-28WX1EP
AV-32WX1EP
Description
Adjustment
of
VERTICAL
SHIFT
Adjustment
of
VERTICAL
SIZE
screen
size
92%
Measuring
P
:
Item
Test point
Adjustment part
instrument
Adjustment
| Signal
|
1. V-SLOPE
@
Select the ASPECT MODE to FULL.
of
generator
V BLK SW
VERTICAL
SLOPE
Remote
control unit
with minimum missing sections.
2.V-SHIFT
CENTER
3. V-SIZE
At that time, if there are any missing sections in the upper and
the lower parts of the screen, adjust them by turning the BLK
switch in the MAIN PWB
in order to obtain an optimal screen
Receive a circle pattern signai of vertical frequency 50Hz.
Select 4.DEF from the SERVICE MENU.
Select 1.V-SLOPE with the FUNCTION UP / DOWN key.
. Set the initial setting value of V-SLOPE (50Hz mode) with the
FUNCTION L/R
key.
5. Adjust V-SLOPE
and make the screen's center line and the
blanking line coincide.
kono
6. Press lhe OK key and memorize the set value.
7. Select 2.V-SHIFT and set the initial setting value.
8. Adjust V-SHIFT to make A= B as shown in figure above.
9, Press the OK key and memorize the set value.
10.Receive a cross-hatch signal. (fv = S0Hz)
11, Adjust 3.V-SIZE and set the initial setting vaiue.
12.Adjust V-SIZE and make the vertical screen size 92% of the
picture size.
13.Press the OK key and memorize the set value.
14.When
the
deflection of vertical center is more than about
5mm,
adjust the picture
in the upward
and
downward
directions
by 3. V-SIZE.
(The value within about 5mm
is
tolerable.)
15. When adjusted in the 50Hz / FULL mode, other mode will be
automatically set.
16.Press the OK key and memorize the set value.
Picture
size
100%
Picture size
100%
FULL MODE]
MODE
FULL
16:9 TOP
14:9 TOP
REGULAR
[PANORAMIC]
16:3 ZOOM | 14:3 ZOOM
SCREEN
ae
92%
80%
87%
70%
SCREEN
BOTTOM
92%
50%
87%
70%
[SCREEN
SIZE}
(No.51108) 2-25

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Av-32wx1ep