JVC AV32L5EKGY Service Manual page 27

AV32L5EKGY
AV32L5EIGY
Measuring
Item
instrument
Adjustment Signal
of V-SHIFT generator
Remote
control unit
Adjustment Signal
of V-SIZE generator
Remote
control unit
Screen size
Screen
size
Picture size 100%
ASPECT
SCREEN
POSITION
TOP
BOTTOM
26
Test point Adjustment part
1. V- SHIFT
A
B
2.V-SIZE
Picture
size
100%
FULL
92%
92%
[ VERTICAL SCREEN SIZE ]
No. 51779
Description
[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 condition in other zoom mode. If it is a
wrong condition, re-adjust in "FULL" mode and adjust with 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 to the vertical screen size of the picture
becomes the value given table bellow.
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.
PANORAMIC
87%
87%
SUB TITLE
70%
83%