JVC AV29BF10ENS Service Manual page 16

AV29BF10ENS
AV29BF10EPS
AV29BF10EES
Measuring
Item
instrument
EW Signal
TRAPEZIUM gener ator
Ad justment
HORIZONTAL Signal
PARALLELO gener ator
-GRAM
BOW Signal
gener ator
EW Signal
LOWER gener ator
CORNER
PARABOLA
Ad justment
16
Test point Ad justment part
Ad just 20 ( 4 : 3 )
Ad just 34 ( 16 : 9 )
Ad just 21 ( 4 : 3 )
Ad just 35 ( 16 : 9 )
Ad just 22 ( 4 : 3 )
Ad just 36 ( 16 : 9 )
Ad just 23 ( 4 : 3 )
Ad just 37 ( 16 : 9 )
No. 51936
Description
1. Receive a CROSS-HATCH signal.
2. Set < 4 : 3 aspect m od e >.
3. Select < ADJUST 20 > from SERVICE MENU.
4. Change EW Trapezium till vertic al lines, es pec ially lines at
the sides of the picture frame became parallel to the both
sides of picture tube as possible.
5. Check and readjust EW Trapezium item if the adjustment
becomes improper after s ome other geometric adjustment.
6. Set < 16 : 9 aspect mode >.
7. Adjusts with the step which is the same above from 3 to 5
about the 16 : 9 aspect mode, too.
1. Receive a CROSS-HATCH signal.
2. Set < 4 : 3 aspect mode >.
3. Select < ADJUST 21 > from SERVICE MENU.
4. Change Horizontal Parallelogram to set vertical lines
orthogonal to the horizontal lines..
5. Check and readjust Horizontal Parallelogram item if the
adjustment bec omes improper after some other geometric
adjustment.
6. Set < 16 : 9 aspect mode >.
7. Adjusts with the step which is the same above from 3 to 5
about the 16 : 9 as pect mode, too.
1. Receive a CROSS-HATCH signal.
2. Set < 4 : 3 aspect mode >.
3. Select < ADJUST 22 > from SERVICE MENU.
4. Change Bow to straighten the v ertic al lines.
5. Check and readjust Bow item if the adjustment becomes
improper after some other geometric adjustment.
6. Set < 16 : 9 aspect mode >.
7. Adjusts with the step which is the same above from 3 to 5
about the 16 : 9 as pect mode, too.
1. Receive a CROSS-HATCH signal.
2. Set < 4 : 3 aspect mode >.
3. Select < ADJUST 23 > from SERVICE MENU.
4. Change EW Lower Corner Parabola till vertical lines at the
corners of both s ides of picture frame become vertic al and
parallel to vertical c orner sides of picture tube.
5. Check and readjus t EW Lower Corner Parabola item if the
adjustment bec omes improper after some other geometric
adjustment.
6. Set < 16 : 9 aspect mode >.
7. Adjusts with the step which is the same above from 3 to 5
about the 16 : 9 as pect mode, too.