JVC AV-56WP74 Service Manual page 54

AV-48WP74
AV-56WP74
Measuring
Item
instrument
OVERALL Signal
generator
CONVERGENCE
adjustment (2)
Remote
[POINT]
control unit
B4
B3
B2
B1
<FINE GRID CROSS-HATCH (H25 x V29 points) >
A1
AV-48WP74 174
AV-56WP74 204
1-54 (No.52105)
Test point Adjustment part
[ 7.CONVER B ]
A4
A3
A2
A1
Cursor
Point of adjustment
Fig.1
<CROSS-HATCH (H13 x V15 points) >
Fig.2
A2 A3 A4 B1
348 435 522 82 164
407 509 611 96 192
SPAN TABLE (mm)
NOTE:
Perform this adjustment after performing OVERALL
CONVERGENCE adjustment (1).
(1) Select 7.CONVER B from SERVICE MENU. Then
appear green cross-hatch pattern for adjustment.
(See Fig.1)
(2) Press [ 2 ] / [ 4 ] / [ 6 ] / [ 8 ] key respectively, move
the cursor to the adjusting point.
(3) Press [CH+] / [CH-] / [VOL+] / [VOL-] key, adjust the
position of the adjusting point so that it is located at
the place as shown in Fig1.
(4) Press [SELECT] key to select the red and blue
cross-hatch patterns, respectively, and make
convergence adjustments so that they align with the
adjusting points of the green cross-hatch pattern
(reference color).
(5) Press [OK] key to change the display colors to three
colors from two colors (adjusting color + green) and
make sure that the convergence has been aligned
with each other.
(6) Press [INPUT 2] or [INPUT4] key. After changing the
pattern to the fine grid cross-hatch pattern, make
sure that the convergence has been adjusted
properly.
(7) Press [MUTING] key and memorize the set values.
INPUT key
For adjustment pattern
B2 B3 B4
change
246 287
INPUT 1/3 = Cross-hatch
INPUT 2/4 = Fine grid
287 335
MUTING key
For storing adjustment
data in memory
OK key
For display colors
change for adjusting
Description
REMOTE CONTROL KEY POSITION
TV CATV VCR DVD
POWER
ASPECT
MULTI SCREEN
SPLIT POP INDEX EZ SURF
FREEZE SWAP SELECT
INPUT1 1 2 3
4 5 6
INPUT2
7 8 9
INPUT3
0
100+ RETURN+
INPUT4
/TV
THEATER NATURAL VIDEO
DIGITAL-IN PRO CINEMA STATUS
cross-hatch
SLEEP TIMER DISPLAY SOUND LIGHT
MUTING
C.C.
+
CH
VOL VOL
OK
+
CH
MENU
BACK
VCR CHANNEL VCR/DVD
PREV NEXT POWER TV/VCR
REW PLAY FF
REC STOP PAUSE
OPEN/CLOSE STILL/PAUSE
RM-C1200G
SELECT key
For adjusting
color change
Number key
For cursor shifting
[2] : up
[4] : left
[6] : right
[8] : down
VOL+ / VOL-
CH+ / CH- keys
For convergence
adjustments
[CH+] : up
[CH- ] : down
[VOL+] : left
[VOL -] : right