JVC AV28BH7ENS Service Manual page 17

AV28BH7ENS / AV28BH7ENB
AV28BH7EPS / AV28BH7EPB
AV28BH7EES / AV28BH7EEB
Measuring
Item
instruments
V. Signal
S-CORRECT. gener ator
& LINEARITY
adjustment Remote
control unit
ANGL E Signal
adjustment gener ator
Remote
control unit
16
Test point Ad justment part
S-COR
LINRT
UPPER
CENTER
LOWER
ANGL E
No. 51967
Description
1. Receive a cross-hatch signal.
2. Select S-COR with the UP/DOWN ( / ) key.
3. Adjust S-COR with the LEFT/RIGHT ( / ) key till the size
of squares on both the upper and lower part of cross-hatch
pattern become equal to the square laying on the vertical
center of the cross-hatch pattern.
4. Check and readjust S-COR item if the adjustment
becomes improper after s ome other geometric
adjustments are done.
5. Press the INFORMATION key and memorize the set value
6. Select LINRT with the UP/DOWN ( / ) key.
7. Adjust LINRT with the LEFT/RIGHT ( / ) key till all the
size of squares of the cross-hatch pattern bec ome in equal
size from the top of the screen to its bottom of the whole
screen.
8. Check and readjust LINRT item if the adjustment bec omes
improper after some
(especially after than S-COR adjustment) are done.
9. Press the INFORMATION key and memorize the set value.
1. Receive a cross-hatch signal.
2. Select ANGLE with the UP/DOWN ( /
3. Adjust ANGLE with the LEFT/RIGHT (
vertical lines of the crosshatch pattern become straight.
4. Check and readjust ANGLE item if the adjustment bec omes
improper after some other geometric adjustments are done.
5. Press the INFORMATION key and memorize the set value.
other geometric adjustments
) key.
/ ) key till the