JVC AV-48WP55/H Service Manual And Parts List page 59

Measuring
Item
instrument
OVERALL Signal
CONVERGENCE generator
(POINT)
adjustment Remote
control unit
B4
B3
B2
B1
H#0 H#1 H#2
V#0
V#1
V#2
V#3
V#4
V#5
V#6
V#7
V#8
Area C Area D
A1 A2
AV-48WP55 174 348
AV-56WP55 204 407
AV-65WP55 237 473
REMOTE CONTROL KEY POSITION
DISPLAY key
Displaying
adjustment data
Number keys
For cursor shifting
[2] : up
[4] : left
[5] : center
[6] : right
[8] : down
MUTING key
For storing
adjustmentdata
in memory
Test point Adjustment part
[ 7.CONVER B ]
A4
A3
A2
Cursor Point of adjustment
A1
Fig.1
H#3 H#4 H#5 H#6 H#7 H#8
H#4 : 0 H#4 : 0 H#4 : 0 V#4 : 0 V#4 : 0 V#4 : 0
Area A
Area B
Fig.2
A3 A4 B1 B2
435 522 82 164
509 611 96 192
592 710 111 222
SPAN TABLE (mm)
SELECT key
For adjusting
color change
MULTI SCREEN
TWIN INDEX C.C.
FREEZE SWAP SELECT INPUT
INPUT key
For adjustment
pattern change
Crosshatch
SOUND
/ Adjust point
TUNE
crosshatch
ASPECT
LIGHT
OK key
OK
Display colors
change for adjusting
VOL+ / VOL- /
BACK
CH+ / CH- keys
For convergence
adjustments
[CH+] : up
[CH- ] : down
[VOL+] : left
[VOL -] : right
RM-C1257G
NOTE:
Perform this adjustment after performing OVERALL
CONVERGENCE (LINE) check.
It adjusts displaying and checking adjustment data by
the [DISPLAY] key. Adjust in order of Area A, Area B,
Area C and Area D.
(1) Receive NTSC crosshatch signal.
(2) Select 7.CONVER B from SERVICE MENU. Then
appear green crosshatch pattern for adjustment.
(See Fig.1)
(3) Press [DISPLAY] key for displaying and checking
adjustment data.
(4) Press [ 2 ] / [ 4 ] / [ 5 ] / [ 6 ] / [ 8 ] keys respectively,
move the cursor to the adjusting point.
(5) Press [CH+] / [CH-] / [VOL+] / [VOL-] keys, adjust the
position of the adjusting point so that it is located at
the place as shown in Fig.2.
(6) Adjust Area A.
(7) Adjust Area B.
(8) Adjust Area C.
(9) Adjust Area D. It adjusts toward an outside from the
inner side of a screen. (e.g. H#3 > H#2 > ---)
H#0 is fixed data with the value inputted by
adjustment of Area C. When the point of H#0 needs
to be adjusted, adjusts the data of H#1 and H#2.
If the data of H#1 adjusts H#0, H#2 will move, the
data of H#2 adjusts H#1 and H#2. It repeats if
needed. (See Fig.3)
(10) Press [SELECT] key to select the red and blue
crosshatch
convergence adjustments so that they align with the
adjusting points of the green crosshatch pattern
(reference color).
(11) Press [OK] key to change the display colors to three
B3 B3
colors from two colors (adjusting color + green) and
246 287
make sure that the convergence has been aligned
287 335
with each other.
333 388
(12) Press [MUTING] key to memorize the set values.
ADJUSTMENT PROCEDURE OF LINE H#1
H#0H#1
NOTE:
Adjust in consideration of a surrounding line moving.
Description
patterns, respectively,
H#2 H#0H#1 H#2
Fig.3
and make
H#0H#1 H#2
(No.YA097)1-59