JVC AV-28X37SUE Service Manual page 26

AV-28X37SUE AV-28X37HKE
AV-28X35HKE AV-28X37HIE
AV-28H35SUE AV-28H35BUE
AV-28X35HUE
NOTE :
• Do not adjust PANORAMIC & SUBTITLE mode.
• At first the adjustment in 50Hz 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 60Hz (NTSC EXT mode) FULL mode. If the
adjustment in 50Hz each aspect mode has been done and stored, the data for the same aspect modes in 60Hz is corrected in
the respective value. Only the data for the other aspect mode in 60Hz is corrected for itself.
Measuring
Item
instrument
V.POSITION Signal
adjustment generator
Remote
control unit
V.SIZE Signal
adjustment generator
Remote
control unit
Screen
size
92%
[SCREEN SIZE]
ASPECT MODE
SCREEN TOP
SCREEN BOTTOM
1-26 (No.52106)
Test point Adjustment part
[4.DEF]
1.V- SHIFT
[4.DEF]
2.V-SIZE
FULL PANORAMIC
92% 87%
92% 87%
• Set the FULL mode.
(1) Receive a circle pattern signal of vertical frequency
50Hz.
(2) Select 4.DEF.
(3) Select 1.V-SHIFT.
(4) Adjust vertical position to make A = B.
(5) Check the adjustment value above in other zoom
mode. If it is a wrong adjustment, re-adjust in FULL
mode and adjust by 1.V-SHIFT.
(6) Press the [MENU] key and memorize the set value.
A
B
• Set the FULL mode.
(1) Receive a cross-hatch signal.
(2) Select 2.V-SIZE and set the initial setting value.
(3) Adjust to make sure that the vertical screen size of
the picture size is in the bellow table.
(4) Make sure that the vertical screen size of the each
ASPECT mode is in the below table.
(5) Press the [MENU] key and memorize the set value.
(6) Input a NTSC VIDEO signal (60Hz) from the EXT
terminal, and make sure that the vertical screen size
is in the table below.
(7) Press the [MENU] key and memorize the set value.
Picture
size
100%
SUBTITLE
70%
83%
Description