JVC AV28WT5EPS Service Manual page 33

Measuring
Item
instrument
Adjustment Signal
of generator
V-SHIFT
Remote
control unit
Adjustment
of V-SIZE &
SUBTITLE
Screen size
Screen
size
Picture size 100%
ASPECT
PANORAMIC
MODE
SCREEN
87%
TOP
SCREEN
87%
BOTTOM
Test point Adjustment part
1. V- SHIFT
A
A
2.V-SIZE
3.SUBTITLE
Picture
size
100%
14 : 9 ZOOM 16 : 9 ZOOM
80% 70%
80% 70%
[ SCREEN SIZE ]
No. 51776
AV-28WT5EKS AV-24WT5EKS
AV-28WT5EPS AV-24WT5EPS
Description
[50Hz PANORAMIC mode]
1. Receive a circle pattern signal of vertical frequency 50Hz.
2. Select 4.DEF from the SERVICE MENU.
3. Select 1.V-SHIFT with the FUNCTION UP/DOWN key.
4. Adjust V-SHIFT to make A = B.
5. Press the MENU key and memorize the set value.
* * * *
For JK chassis
Set all data except for "PANORAMIC" to "0".
Adjust V.CENTER of other aspects with "PANORAMIC" mode
while also taking their positions into consideration. If you want
to obtain horizontal lines with less noise on the screen, adjust
V.LIN instead of "PANORAMIC" mode.
6. Receive a cross-hatch signal.
7. Select 2.V-SIZE and set the initial setting value.
8. Adjust V-SIZE and make sure that the vertical screen size of the
picture size is in the bellow table.
9. Press the MENU key and memorize the set value.
10. When adjust the [SUBTITLE], select "3.SUBTITLE" and adjust
to under part of picture size.
11. Input a NTSC VIDEO signal (60Hz) from the EXT terminal, and
make sure that the vertical screen size is in the table below.
12. Press the MENU key and memorize the set value.
16 : 9 ZOOM
FULL
SUB TITLE
70% 92%
83% 92%
AV-28WT5EIS AV-24WT5EIS
REGULAR
92%
92%
33