JVC AV28H20EUS Service Manual page 28

AV32H20EUS
AV28H20EUS
AV28H20EUB
Measuring
Item
instrument
TRAPEZIUM Signal
gener ator
adjustment
Remote
control unit
Parallel
COR. UP/LO Signal
gener ator
adjustment
Remote
control unit
Straight
ANGL E
adjustment
28
Test point Ad justment part
5.TRAPEZ
7.COR-PIN
8.COR-UP
9.COR-LO
Straight
10. ANGLE
Fig. A
1. Receive a cross-hatch signal.
2. Select 5.TRAPEZ with the FUNCTION UP/DOWN ( / ) key.
3. Set the initial setting value of TRAPEZ with the FUNCT ION
- or + ( / ) key.
4. Adjust TRAPEZ and bring the VERTICAL lines at the right and
left edges of the screen parallel .
5. Press the MENU key and memoriz e the s et value.
1. Select 8.COR-UP with the FUNCTION UP / DOWN ( /
key.
2. Set the initial setting value of COR.-UP with the FUNCTION
- or + ( / ) key.
3. Adjust COR-UP, and bring the straight line at the upper c orner.
4. Select 9.COR-LO with the FUNCTION UP / DOWN ( / )
key.
5. Set the initial setting value of COR-LO with the FUNCTION
- or + ( / ) key.
6. Adjust COR-LO, and bring the straight line at the low corner.
7. Press the MENU key and memoriz e the s et value.
8. If the extreame upper & lower corners are a little pin or barrel
chose 7.COR-PIN and adjust.
9. Press the MENU key and memoriz e the s et value
•
In case where ther e is a parallelogrammical distortion of
images o n the scr een. (Fig.A)
1. Select 10.ANGLE with the FUNCTION UP / DOW N ( / )
key.
2. Adjust ANGEL, and bring the VERTICAL lines straight..
3. Press the MENU key and memoriz e the s et value.
No. 51945
Description
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