JVC AV-32WL1EI, Service Manual

Page: 32 / 81

No. 51733
AV-32WL1EU
AV-32WL1EI
AV-32WL1EK
32
Item
Measuring
instrument
Test point Adjustment part Description
Adjustment
of BOW Signal
generator
Remote
control unit
10.BOW
"
In case where there is a bow-shaped distortion of images on the
screen as shown in Fig.C.
40. Select 10.BOW with the FUNCTION UP/DOWN key.
41. Adjust 10.BOW, and bring the VERTICAL lines to straight.
42. Press the MENU key and memorize the set value as shown in
Fig.D.
Adjustment
of V-S.CR &
V.LINE
Signal
generator
Remote
control unit
11.V-S.CR
12.V.LIN.
$
When the vertical linearity has been deteriorated remarkably,
perform the following steps.
43. Receive a cross-hatch signal.
44. Select
12. V.LIN
with the FUNCTION UP / DOWN key.
45. Set the initial setting value of
12. V.LIN
with the FUNCTION
LEFT/RIGHT key.
46. Select 11. V-S.CR . with the FUNCTION UP / DOWN key.
47. Set the initial setting value of 11. V-S.CR . with the FUNCTION
LEFT/RIGHT key.
48. Adjust
12. V.LIN
and
11. V-S.CR
. so that the spaces of each
line on
TOP, CENTER
, and
BOTTOM
become uniform.
NOTE : Do not adjust “PANORAMIC” & “16 : 9 ZOOM 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.
(C)
(D)
TOP
CENTER
BOTTOM