JVC AV-56WP74 Service Manual page 52

AV-48WP74
AV-56WP74
3.8.4.4 CONVERGENCE ADJUSTMENT(1) ••••••• RGB together
Measuring
Item
instrument
CONVERGENCE Signal
generator
PHASE
adjustment
Remote
control unit
Screen center
Fig. 1:Screen center
Fig. 2:CPA03<FINE H> adj.
Fig. 4:CPA05<CAU V> adj.
REMOTE CONTROL KEY POSITION
1-52 (No.52105)
Test point
[6.CONVER A]
CPA03 : FINE H
CPA04 : FINE V
CPA05 : CAU V
CPA07 : CAU H2
Horizontal center line
Vertical center line
A
B
Fig. 3:CPA04<FINE V> adj.
Fig. 5:CPA07<CAU H> adj.
TV CATV VCR DVD
POWER
ASPECT
MULTI SCREEN
SPLIT POP INDEX EZ SURF
FREEZE
SWAP SELECT
INPUT1 1 2 3
Number key
INPUT2 4 5 6
Screen center
INPUT3 7 8 9
adjustment
0
INPUT4 100+ RETURN+
[2] : Up
/TV
[4] : Left
THEATER NATURAL VIDEO
DIGITAL-IN PRO CINEMA STATUS
[6] : Right
LIGHT
SLEEP TIMER DISPLAY SOUND
[8] : Down
MUTING
C.C.
+
CH
CH+ / CH- keys
VOL
VOL
OK
+
Adjustment
CH
item select
MENU
BACK
VCR/DVD [CH +] : Up
VCR CHANNEL
PREV NEXT POWER TV/VCR
[CH - ] : Down
REW PLAY FF
REC STOP PAUSE
OPEN/CLOSE STILL/PAUSE
RM-C1200G
Adjustment part
NOTE:
Retain the default value of this adjustment. It is not
necessary to carry out the adjustment unless the image
on the screen is significantly deformative. If you
performed this adjustment, open the user MENU
"INITIAL
CONVERGENCE after the adjustment.
(1) Receive NTSC cross-hatch signal.
(2) Select 6.CONVER A from SERVICE MENU.
(3) Select <CPA03> (FINE H).
(4) Adjust the peak A as shown in Fig. 2 agrees with the
horizontal center line by using [ 2 ] & [ 8 ] keys.
(5) Select <CPA04> (FINE V).
(6) Adjust the peak B as shown in Fig. 3 agrees with the
vertical center line by using [ 4 ] & [ 6 ] keys.
(7) Select <CPA05> (CAU V).
(8) Adjust the intersection point of the horizontal center
line and the vertical center line agrees with the
screen center by using [ 2 ] & [ 8 ]. (Fig.4)
(9) Select < CPA07>(CAU H2).
(10) Adjust the intersection point of the horizontal center
line and the vertical center line agrees with the
screen center by using [ 4 ] & [ 6 ]. (Fig.5)
(11) Press [MUTING] key and memorize the set values.
Description
SETUP" and execute AUTO of