Dynamic Convergence Adjustment; Bmc (Hexapole) Magnet - Sony KV-EX29M93 Service Manual

KV-EX29M39/EX29M87/EX34M97
KV-EX29M93/EX29M65
4

BMC (Hexapole) Magnet.

If the red, green and blue dots are not balanced or aligned,
then use the BMC magnet to adjust in the manner described
below.
R G
R
G
5
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
VM board
Note
1. The Red and Blue magnets should be equally far from the
horizontal center line.
2. Do not separate the Red and Blue magnets too far. (Less than
8 mm)
RM-963
RM-964
B R G B R G B
B
R G B G
R B
Neck assy
VM board

(2) Dynamic Convergence Adjustment

Preparation:
•
Before starting this adjustment, adjust the horizontal static
convergence and the vertical static convergence
•
Set the PICTURE and BRIGHTNESS to normal.
1. Adjust TLH. (TLH convergence piece)
1 Receive the dot/hatch pattern signal and adjust picture quality
by the menu.
2 Correct horizontal mis-convergence of red and blue of both
sides on the X axis.
When red is outside insert TLH convergence piece to right
side (TLH +) views from DY neck. And when blue is outside,
insert it to left side (TLH –) and take both sides.
R B
(B) (R)
2. Adjust XCV core.
To able to become balance of XCV on the X axis well.
3. Adjust V-TILT.
Correct the vertical mis-convergence of red and blue of
vertically sides on the Y axis.
Red
4. Adjust YCH.
Adjust horizontal mis-convergence of red and blue of
vertically sides on the Y axis. Mentioned above steps 2 to 4
are adjusting respectively perform minuteness tracking.
Blue
TLV2
– 60 –
B R TLH +
(R) (B) TLH -
YCH
TLV1
XCV
BMC magnet
VM board
C board
RV9001