JVC AV-48WP30 Service Manual page 40

CONVERGENCE ADJUSTMENT
Measuring
Item
instrument
CONVERGEN- Signal
CE PHASE generator
adjustment
Remote
control unit
Dynamic adjustment mode
A
Fig. 1
Dynamic adjustment mode
B
Fig. 3
REMOTE CONTROL KEY POSITION
SPLIT key
PHASE/DYNAMIC
100+ key
Select green line
MUTING 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
Screen center
adjustment
No. 51914
Description
1. Press the SERVICE SW S801 on the CONVERGENCE PWB
to enter the dynamic adjustment mode.
2. Press the 100+ key on the remote control unit to select the
green line.
3. Using the FUNCTION ( ▲ ) (CH+) key, intentionally expand the
blinking horizontal green line as shown in the Fig. 1 .
4. Press the SPLIT key on the remote control unit to enter the
phase adjustment mode.
5. Using the FUNCTION ( / ) 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 .
6. Press the SPLIT key again to return to the dynamic adjustment
mode.
7. Press the 100+ key on the remote control unit to select the
green line.
8. Return the point " A ", which was intentionally expanded, to its
original position.
9. Using the FUNCTION (
vertical line as shown in the Fig. 3 .
10. Press the SPLIT key to enter the phase adjustment mode.
11. Using the FUNCTION ( ▲ / ▼ ) key, adjust the screen so that the
peak of the point " B " meets with the adjacent dotted line as
shown in the Fig. 4 .
12. Press the SPLIT key again to return to the dynamic adjustment
mode.
13. Press the 100+ key to select the vertical green line. Then,
using the FUNCTION ( ) key, return the point " B ", which was
intentionally expanded, to its original position.
14. Press the SPLIT key again to enter the phase adjustment
mode.
15. Using the 2/5/4/6 key, adjust the screen so that the cross-point
of the dotted line is positioned at the screen center on the
screen. ( Fig. 5 )
16. Press the MUTING key and memorize the set value.
AV-48WP30
) key, intentionally expand the
Screen center
Fig. 5
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