Sony KV-AR252M61 Trinitron Service Manual page 12

7. Y separation axis correction magnet adjustment.
1. Receive the cross-hatch signal and adjust
[PICTURE] to [MIN] and [BRIGHTNESS] to
[STANDARD] .
2. Adjust the Y separation axis correction magnet
on the neck assembly so that the horizontal lines
at the top and bottom of the screen are straight.
Blue
Neck assy
Red
VM1 board
(2) Dynamic Convergence Adjustment
Preparation:
Before starting this adjustment, adjust the horizontal and
the vertical static convergence
R B
TLH
R B
YCH
ON DY:
(VR1)
TLV
(VR2)
YCH
(VR3)
TLV
DY pocket
XCV
Red
Neck assy
Blue
VM1 board
B
R
TLV
R
B
XCV
DY pocket
TLH Plate
XCV
– 11 –
TLV Rotate TLV-2 VOL (29", 34") on DY
XCV Rotate XCV Adj core on DY
YCH Rotate YCH VOL on DY
TLH Insert TLH Correction Plate to DY Pocket
(Left or Right)
(3) Screen-corner Convergence
If you are unable to adjust the corner convergence
properly, this can be corrected with the use Piece A(90)
Conv. Correct.
b
a-d : screen-corner
misconvergence
c
1. Affix the Permaloy assy correction corresponding to the
misconverged areas.
Fix a Permaloy assy
corresponding to the
misconverged areas
a
d
a to d : permalloy assembly
KV-AR252M61
RM-W102
a
d
b
c