JVC AV-28BT8ENS Service Manual page 15

ADJUSTMENTS
■ ■ ■ ■ SCREEN ADJUSTMENT
Measuring
Item
instrument
SCREEN Remote
adjustment control unit
■ ■ ■ ■ OSD HORIZONTAL POSITION ADJUSTMENT
Measuring
Item
instrument
HORIZONTAL Remote
POSITION OF control unit
OSD
adjustment
SERVICE MENU SCREEN
X
■ ■ ■ ■ IF ADJUSTMENT
Measuring
Item
instrument
IF adjustment Remote
control unit
Test point Ad justment part
SCREEN VR
[On the FBT]
Test point Ad justment part
OSD
X'
Screen size
Test point Ad justment part
IF 1
IF 2
IF 3
IF 4
No. 52057
AV-28BT8ENS / AV-28BT8ENB / AV-28BT80EN
AV-28BT8EPS / AV-28BT8EPB / AV-28BT80EP
AV-28BT8EES / AV-28BT8EEB/ AV-28BS88EN
Description
1. Enter SERVICE MENU.
2. Press YELLOW key to disable vertic al s can.
3. Adjust SCREEN VR. on the FBT as thin as possible.
4. Press YELLOW k ey again to enable vertical sc an.
5. Press STANDARD key to leave s ervic e menu.
FOCUS VR
SCREEN VR
FBT
Description
1. Enter SERVICE MENU.
2. Select OSD with FUNCTION ( / ) key
3. Adjust the OSD horizontal pos ition with the FUNCTION ( / )
key, whic h shifts the reference bar on the bottom of
SERVICE MENU horizontally, s o that the OSD is positioned on
the screen c enter. (X=X')
Reference bar
Description
1. Receive a PAL colour bar pattern.
2. Enter SERVICE MENU.
3. Select IF 1 with FUNCTION ( / ) key
4. Press BLUE key during IF 1 is highlighted, IF 1 and IF 2 values
are adjusted automatic ally by software.
5. If the standard is L-prime, IF 3 and IF 4 values are adjustment
automatic ally when BLUE key is press ed during IF 1 is
highlighted.
the
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