Sony TRINITRON KV-1442 Service Manual page 14

KV-1442ECPS |
RM-651
4-2, CONVERGENCE
Preparation:
Before starting, perform FOCUS, H.SIZE, V.SIZE
and V.LIN adjustments.
Turn BRIGHTNESS control fully counterclock-
wise and PICTURE control to normal.
Feed in the dot pattern.
(1) Horizontal and Vertical Static Convergence
center dot
center dot
. Adjust H.STAT VR to coincide red, green and
blue dots on the centre of screen (Horizontal
movement)
. Adjust V.STAT magnet to coincide red, green and
blue dots on the centre of screen (Vertical move-
ment)
. If the red, green and blue dots do not coincide on
the centre of screen with H.STAT VR, perform
horizontal convergence adjustment using H.STAT
VR and V.STAT magnet as shown below. (In this
case, H.STAT VR and V.STAT magnet effect
each other.)
Tilt the V.STAT magnet and adjust static con-
vergence to open or close the V.STAT magnet.
QB) ®
4. When the V.STAT magnet is moved in the direc-
tion of arrow @) and (b) , Red. Green and Blue
dots move as shown below.
@_ ©@ @ ©
"T
Ox-|—® Bd |
t : G G
+ n b |
@
R G B
B G eR
—
. ®
~ ne RQ BQ
XB) G \. G \
R
If blue dot does not coincide with red and green
dots, perform following steps.
Move BMC magnet (a) to correct insufficient
H. static convergence.
Rotate BMC magnet (b) to correct insufficient
V. static convergence.
In either case, repeat Beam Landing Adjustment.