JVC AV-21L91-BK Service Manual page 28

AV-21L91
Measuring
Item
instrument
Adjustment
Signal
of generator
V. ZOOM
Remote
control unit
Screen
size
91%
Picture size 100%
Adjustment
Signal
of
generator
HOR. POSITION
Remote
control unit
C
Adjustment Signal
of
generator
VER. SCURVE
Remote
control unit
28
Test point Adjustment part
2. VER. HEIGHT
13. V. ZOOM
Screen size
Picture
size
100%
5. HOR. POSITION
D
4. VER. SCURVE
TOP
CENTRE
BOTTOM
9. Receive a PAL 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.
15. Receive a PAL 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.
19. Receive a PAL cross-hatch signal.
20. Select 4. VER. SCURVE with the MENU &/^ key.
21. Set the initial setting value of 4. VER. SCURVE with the MENU –/+
key.
22. Adjust 4. VER. SCURVE so that the spaces of each line on TOP,
CENTRE and BOTTOM become uniform.
(to be continued)
No. 51898
Description