JVC AV28L2EUGR Service Manual page 24

AV28L2EUGR
AV28L2EUBL
AV28L2EUGY
Measuring
Item
instrument
Adjustment Signal
of generator
V-SHIFT
Remote
control unit
Adjustment
of V-SIZE
Screen size
Screen
size
Picture size 100%
ASPECT
SCREEN
POSITION
TOP
BOTTOM
24
Test point Adjustment part
1. V- SHIFT
A
B
2.V-SIZE
Picture
FULL PANORAMIC
92% 87%
92% 87%
[ SCREEN SIZE ]
[FULL 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. Check the adjustment value above in other zoom mode.
If it is a wrong adjustment, re-adjust in "PANORAMIC" mode
and adjust by 1. V-SHIFT.
6. Press the MENU key and memorize the set value.
7. Receive a cross-hatch signal.
8. Select 2.V-SIZE and set the initial setting value.
9. Adjust V-SIZE and make sure that the vertical screen size of
the picture size is in the bellow table.
10. Press the MENU key and memorize the set value.
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.
size
100%
SUB TITLE
70%
83%
No. 51778
Description