JVC AV-20NX3, Руководство по обслуживанию

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No. 52079 27
AV-20NX3
Item
Measuring
instrument
Test point Adjustment part Description
[COMPRESS (16 : 9) : ON, fv: 50Hz mode ]
1. Receive a PAL cross-hatch signal of vertical frrequency 50Hz.
2. Select COMPRESS from the MENU and set COMPRESS to ON.
3. Select
3. DEF from the SERVICE MENU.
4. Set the initial setting value of 13. V. ZOOM with the MENU
*
/
T
key.
5. Select 2. VER. HEIGHT with the MENU
&
/
^
key.
6. Set the initial setting value of 2. VER. HEIGHT with the MENU
*
/
T
key.
7. Adjust 2. VER. HEIGHT to set the vertical amplitude of the image to
230mm.
Adjustment
of
V. HEIGHT
Adjustment
of
SIDE PIN 8. Select 7. EW-PIN with the MENU
&
/
^
key.
9. Set the initial setting value of 7. EW-PIN with the MENU
*
/
T
key.
10. Adjust 7. EW-PIN so that the first vertical lines at the left and right
edges on the screen are straight.
7. EW-PIN
Adjustment
of
CORNER Signal
generator
Remote
control unit
11. Select 9. UP CORNER with the MENU
&
/
^
key.
12. Set the initial setting value of 9. UP CORNER with the MENU
*
/
T
key.
13. Select 10. DW CORNER with the MENU
&
/
^
key.
14. Set the initial setting value of 10. DW CORNER with the MENU
*
/
T
key.
15. Adjust 9. UP CORNER and 10. DW CORNER so that the vertical
lines at the four corners on the screen are straight.
16. Press the DISPLAY key twice to return to the normal screen.
9. UP CORNER
10. DW CORNER
Screen size
Vertical
amplitude
Screen
size
Straight
Signal
generator
Remote
control unit
Signal
generator
Remote
control
unit
13. V. ZOOM
2. VER. HEIGHT