JVC AV-29VT11/P Service Manual page 28

Measuring
Item
instrument
SIDE PIN Signal
adjustment
generator
Remote
control unit
TRAPEZIUM Signal
adjustment
generator
Remote
control unit
Signal
CORNER
adjustment generator
Remote
control unit
1-28 (No. 52195)
Test point Adjustment part
[3. DEF]
7. EW-PIN
Straight
[3. DEF]
8. EW-TRAPEZ
Parallel
[3. DEF]
9. UP CORNER
10. DW CORNER
Description
- PAL SIDE PIN -
(1) Input a PAL cross-hatch signal.
(2) Select 7. EW-PIN.
(3) Set the initial setting value of 7. EW-PIN.
(4) Adjust 7. EW-PIN so that the first vertical lines at the left
and right edges on the screen are straight.
- NTSC SIDE PIN -
(1) Receive a NTSC cross-hatch signal.
(2) Make similar adjustment of NTSC SIDE PIN in the same
way as for "PAL SIDE PIN".
- PAL TRAPEZIUM -
(1) Input a PAL cross-hatch signal.
(2) Select 8. EW-TRAPEZ.
(3) Set the initial setting value of 8. EW-TRAPEZ.
(4) Adjust 8. EW-TRAPEZ so that the vertical lines at the left
and right edges on the screen are in parallel.
- NTSC TRAPEZIUM -
(1) Receive a NTSC cross-hatch signal.
(2) Make similar adjustment of NTSC TRAPEZIUM in the
same way as for "PAL TRAPEZIUM".
- PAL CORNER -
(1) Input a PAL cross-hatch signal.
(2) Select 9. UP CORNER.
(3) Set the initial setting value of 9. UP CORNER.
(4) Select 10. DW CORNER.
(5) Set the initial setting value of 10. DW CORNER.
(6) Adjust 9. UP CORNER and 10. DW CORNER so that the
vertical lines at the four corners on the screen are straight.
- NTSC CORNER -
(1) Receive a NTSC cross-hatch signal.
(2) Make similar adjustment of NTSC CORNER in the same
way as for "PAL CORNER".
(3) Press the [DISPLAY] key twice to return to the normal
screen.