JVC AV-20N83/BK Service Manual page 31

Measuring
Item
instrument
Adjustment
Signal
of generator
V. HEIGHT
Remote
control unit
Screen
size
91%
Adjustment
Signal
of
generator
H. POSITION
Remote
control unit
C
Adjustment Signal
of
generator
H. WIDTH
Remote
control unit
Screen size 91%
Picture size 100%
Test point Adjustment part
2. VER. HEIGHT
13. V. ZOOM
Picture
size
100%
5. HOR. POSITION
D
6. HOR. WIDTH
No. 52076
Description
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
*/Tkey.
12. Select 13. V. ZOOM with the MENU &/^ key.
13. Set the initial setting value of 13. V. ZOOM with the MENU */Tkey.
14. Adjust 13. V. ZOOM and make the vertical screen size 91% of the
picture size with the MENU */Tkey.
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
*/Tkey.
18. Adjust 5. HOR POSITION to make "C=D" with the MENU */Tkey.
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
*/Tkey.
22. Adjust 6. HOR. WIDTH and make the horizontal screen size 91%
of the picture size with the MENU */Tkey.
(to be continued)
AV-20N83
AV-21D83
31