JVC HV-53PRO/K Service Manual page 33

CONVERGENCE ADJUSTMENT
Measuring
Item
instrument
Adjustment Signal
of generator
CONVERGEN-
CE Remote
PHASE control unit
Dynamic adjustment mode
A
Fig. 1
Dynamic adjustment mode
B
Fig. 3
Remote control key position
MENU/OK key
Store
FUNCTION key
Adjusting the line
Test point Adjustment part
SERVICE SW
(S801)
[CONVERGENCE
PWB]
Phase adjustment mode
A
A
Fig. 2
Phase adjustment mode
B
B
Fig. 4
Number key
Mechanical center
adjustment
MUTING key
Enter the
PHASE MODE
PIP SWAP key
Select the
adjustment mode
GREEN key
Select green line
No. 51984
Description
1. Receive a PAL crosshatch signal.
2. Press the SERVICE SWITCH S801 on the CONVERGENCE
PWB.
3. Press the GREEN key on the remote control unit to select the
green line.
4. Using the function UP( ▲
blinking horizontal green line as shown in the Fig. 1 .
5. Press the PIP SWAP key on the remote control unit to enter
the phase adjustment mode.
6. Using the function LEFT/RIGHT ( / ) key, adjust the screen
so that the point " A " is located 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 PIP SWAP key again to return to the dynamic
adjustment mode.
8. Press the GREEN key on the remote control unit to select the
green line.
9. Return the point " A ", which was intentionally expanded, to its
original position.
10. Using the function RIGHT(
vertical line as shown in the Fig. 3 .
11. Press the PIP SWAP key to enter the phase adjustment mode.
12. Using the function UP/DOUN( ▲ / ▼ ) key, adjust 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 PIP SWAP key again to return to the dynamic
adjustment mode.
14. Press the GREEN key to select the vertical green line. Then,
using the function LEFT(
was intentionally expanded, to its original position.
15. Press the PIP SWAP key again to enter the phase adjustment
mode.
16. Using the 2,5,4,6 number key, adjust the screen so that the
cross-point of the dotted line is positioned at the mechanical
center on the screen. ( Fig. 5 )
Dotted line
X
HV-53PRO
)
key, intentionally expand the
) key, intentionally expand the
) key, return the point " B " , which
X
Fig. 5
"X"POSITION
(mechanical center)
Cross. Point of
the dotted line.
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