24
No. 51904
AV-21L11
AV-21L31
AV-25L31
Item
Measuring
instrument
Test point
Adjustment part
Description
Adjustment
of
V. ZOOM
2. VER. HEIGHT
13. V. ZOOM
9. Receive a NTSC cross-hatch signal.
10. Select
2. VER. HEIGHT
with the MENU
&
/
^
key.
11. Set the initial setting value of
2. VER. HEIGHT
with the MENU –/+
key.
12. Select
13. V. ZOOM
with the MENU
&
/
^
key.
13. Set the initial setting value of
13. V. ZOOM
with the MENU –/+ key.
14. Adjust
13. V. ZOOM
and make the vertical screen size 91% of the
picture size with the MENU –/+ key.
Signal
generator
Remote
control unit
Adjustment
of
HOR. POSITION
5. HOR. POSITION
15. Receive a NTSC circle pattern signal.
16. Select
5. HOR. POSITION
with the MENU
&
/
^
key.
17. Set the initial setting value of
5. HOR. POSITION
with the MENU –/+
key.
18. Adjust
5. HOR POSITION
to make “
C=D
” with the MENU –/+ key.
Signal
generator
Remote
control unit
Screen size
Screen
size
91%
Picture size 100%
Picture
size
100%
C
D
Adjustment
of
HOR. WIDTH
6. HOR. WIDTH
19. Receive a NTSC cross-hatch signal.
20. Select
6. HOR. WIDTH
with the MENU
&
/
^
key.
21. Set the initial setting value of
6. HOR. WIDTH
with the MENU –/+
key.
22. Adjust
6. HOR. WIDTH
and make the horizontal screen size 91%
of the picture size with the MENU –/+ key.
(to be continued)
Signal
generator
Remote
control unit
Screen size 91%
Screen
size
91%
Picture size 100%
Picture
size
100%
