JVC AV-56WP30, Руководство по обслуживанию

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No. 52007
AV-56WP30
39
CONVERGENCE ADJUSTMENT
Item
Measuring
instrument
Test point Ad justment part Description
CONVERGEN-
CE PHASE
adjustment Signal
generator
Remote
control unit
SERVICE SW (S801)
[CONVERGENCE
PWB] 1. Receive a NTSC cross-hatch signal.
2. Press the SERVICE SW
S801 on the CONVERGENCE PWB
to enter the dynamic adjus tment mode.
3. Press the 100+ key to select the green line.
4. Using the FUNCTION (
▲ ) (CH+) key, intentionally expand the
blinking horiz ontal green line as shown in the Fig. 1 .
5. Press the SPLIT key to enter the phase adjustment mode.
6. Using the FUNCTION ( / ) key, adjust the screen so that the
point “ A ” is loc ated between the cross-point of the dotted line
and the vertical line on the left side as shown in the Fig. 2 .
7. Press the SPLIT key again to return to the dynamic adjus tment
mode.
8. Press the 100+ key to select the green line.
9. Return the point “
A ”, which was intentionally expanded, to its
original pos ition.
10. Using the FUNCTION ( ) key, intentionally expand the
vertical line as s hown in the Fig. 3 .
11. Press the SPLIT key to enter the phase adjustment mode.
12. Using the FUNCTION (
▲
/
▼
) key, adjus t the screen so that the
peak of the point “ B ” meets with the adjacent dotted line as
shown in the Fig. 4 .
13. Press the SPLIT key again to return to the dynamic adjus tment
mode.
14. Press the 100+ key to select the vertical green line.
15. Using the FUNCTION ( ) key, return the point “
B ”, which was
intentionally expanded, to its original position.
16. Press the SPLIT key again to enter the phase adjustment
mode.
17. Using the 2(up) / 4(left) / 5(down) / 6(right) key, adjust the
screen so that the cross-point of the dotted line is pos itioned at
the screen c enter on the screen. (
Fig. 5 )
18. Press the SELECT key twice and memorize the set value.
A
A
B B
Dynamic adjustment mode Phase adjustment mode
Fig. 1
Fig. 2
Screen c enter
Fig. 5
Dynamic adjustment mode
Phase adjustment mode
Fig. 3 Fig. 4
B
A
Number k ey
FUNCTION key
REMOTE CONTROL KEY POSITION
Screen center
adjustment
Select green line
Adjusting the line
100+ key
SPLIT k ey
PHASE/DYNAMIC
SELECT key
Memory of the
setting data