JVC AV-34LS Service Manual page 29

Measuring
Item
instrument
Adjustment
Signal
of generator
EW-TRAPEZ
Remote
control unit
Adjustment
Signal
of
generator
VER. SCURVE
Remote
control unit
Adjustment Signal
of
generator
UP CORNER
and
Remote
DW CORNER control unit
Adjustment Signal
of
generator
HOR. PARALL
Remote
control unit
Adjustment
Signal
of generator
HOR. BOW
Remote
control unit
Test point Adjustment part
8. EW-TRAPEZ
Parallel
4. VER. SCURVE
TOP
CENTRE
BOTTOM
9. UP CORNER
10. DW CORNER
11. HOR. PARALL
12. HOR. BOW
Straight
No. 51854
Description
26. Select 8. EW-TRAPEZ with the MENU &/^ key.
27. Set the initial setting value of 8. EW-TRAPEZ with the MENU –/+
key.
28. Adjust 8. EW-TRAPEZ so that the vertical lines at the left and right
edges on the screen are in parallel.
29. Select 4. VER. SCURVE with the MENU &/^ key.
30.Set the initial setting value of 4. VER. SCURVE with the MENU –/+
key.
31. Adjust 4. VER. SCURVE so that the spaces of each line on TOP,
CENTRE and BOTTOM become uniform.
32. Select 9. UP CORNER with the MENU &/^ key.
33. Set the initial setting value of 9. UP CORNER with the MENU –/+
key.
34. Sekect 10. DW CORNER with the MENU &/^ key.
35. Set the initial setting value of 10. DW CORNER with the MENU –/+
key.
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
–/+ key.
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 Select 12. HOR. BOW with the MENU
–/+ key.
42. Adjust 12. HOR. BOW to optimize the horizontal arc distortion.
43. Press the DISPLAY key twice to return to the normal screen.
AV-34LS AV-34LX
AV-34LH AV-3408TEE
29