JVC AV-21RM4SE Service Manual page 18

AV-25BT6ENS
AV-25BT6ENB
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
X
■ ■ ■ ■ IF ADJUSTMENT
Measuring
Item
instrument
IF adjustment Remote
control unit
14
Test point Ad justment part
SCREEN VR
[On the FBT]
Test point Ad justment part
OSD
SERVICE MENU SCREEN
X'
Screen size
Test point Ad justment part
IF 1
IF 2
IF 3
IF 4
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.
FBT
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
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.
No. 52056
Description
FOCUS VR
SCREEN VR
Description
Description
the