JVC AV32L2EUBL, Service Manual

Page: 27 / 108

No. 51817
AV32L2EUGR
AV32L2EUBL
AV32L2EUGY
27
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)
41. Select 11.BOW with the FUNCTION UP/DOWN key.
42. Adjust BOW, and bring the VERTICAL lines straight.
43. Press the MENU 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.
44. Receive a cross-hatch signal.
45. Select 13. V-LIN with the FUNCTION UP / DOWN key.
46. Set the initial setting value of 13. V-LIN with the FUNCTION
- / + key.
47. Select 12. V-S.CR. with the FUNCTION UP / DOWN key.
48. Set the initial setting value of 12. V-S.CR. with the FUNCTION
- / + key.
49. 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 “PANORAMIC” & “SUBTITLE” mode.
At first the adjustment in 100Hz FULL mode should be done,
then the data for the other aspect mode is corrected in the
respective value at the same time. And confirm the deflection
adjustment initial setting value in 120Hz (NTSC EXT mode)
FULL mode. If the adjustment in 100Hz each aspect mode has
been done and stored, the data for the same aspect modes in
120Hz is corrected in the respective value. Only the data for
the other aspect mode in 120Hz is corrected for itself.
Fig. B
TOP
CENTER
BOTTOM