JVC AV-20N83/BK Service Manual page 28

AV-20N83
AV-21D83
Measuring
Item
instrument
Adjustment
Signal
of generator
CORNER
Remote
control unit
Adjustment
Signal
of generator
H. PARALLEL
Remote
control unit
Adjustment
Signal
of generator
H. BOW
Remote
control unit
28
Test point Adjustment part
9. UP CORNER
10. DW CORNER
11. HOR. PARALL
12. HOR. BOW
Straight
32. Select 9. UP CORNER with the MENU &/^ key.
33. Set the initial setting value of 9. UP CORNER with the MENU
*/Tkey.
34. Select 10. DW CORNER with the MENU &/^ key.
35. Set the initial setting value of 10. DW CORNER with the MENU
*/Tkey.
36. Adjust 9. UP CORNER and 10. DW CORNER so that the vertical
lines at the four corners on the screen are straight.
37. Select 11. HOR. PARALL with the MENU &/^ key.
38. Set the initial setting value of 11. HOR. PARALL with the MENU
*/Tkey.
39. Adjust 11. HOR. PARALL to optimize the parallelogram distortion.
40. Select 12. HOR. BOW with the MENU &/^ key.
41. Set the initial setting value of 12. HOR. BOW with the MENU */
Tkey.
42. Adjust 12. HOR. BOW to optimize the horizontal arc distortion.
43. Press the DISPLAY key twice to return to the normal screen.
No. 52076
Description