JVC HV-L29PRO, Руководство по обслуживанию

Страница: 31 / 77

No. 51828
HV-L29PRO
31
Item
Measuring
instrument
Test point Adjustment part Description
Adjustment
of BOW
Signal
generator
Remote
control unit
11.BOW
"
In case where there is a bow-shaped distortion of images on
the screen. (Fig.B)
42. Select 11.BOW with the function UP/DOWN key.
43. Adjust BOW, and bring the VERTICAL lines straight.
44. Press the MENU/OK key and memorize the set value.
Adjustment
of V-S.CR &
V.LIN.
12.V-S.CR
13.V.LIN.
"
When the vertical linearity has been deteriorated remarkably,
perform the following steps.
45. Receive a cross-hatch signal.
46. Select 13. V.LIN with the function UP / DOWN key.
47. Set the initial setting value of 13. V.LIN with the function
LEFT/RIGHT key.
48. Select 12. V-S.CR. with the function UP / DOWN key.
49. Set the initial setting value of 12. V-S.CR. with the function
LEFT/RIGHT key.
50. Adjust 13. V.LIN and 12. V-S.CR. so that the spaces of each
line on TOP, CENTER, and BOTTOM become uniform.
NOTE : Do not adjust “ZOOM” & “16 : 9” mode.
*
At first the adjustment in 50Hz REGULAR mode should be
done, then the data for the other ZOOM mode is corrected in
the respective value at the same time. And confirm the
deflection adjustment initial setting value in 60Hz (NTSC EXT
mode) REGULAR mode.
If the adjustment in 50Hz REGULAR mode has been done and
stored, the data for the other ZOOM modes is corrected in the
same value at the same time.
*
Only the data for the other ZOOM mode in 60Hz is corrected
for it self.
Fig. B
TOP
CENTER
BOTTOM