2-3.2. Operation Of Bmc (Hexapole) Magnet; 2-3.3. Tlh Plate Adjustment; 2-3.4. Screen-Corner Convergence - Sony TRINITRON KV-30HS510 Service Manual

2-3.2. OPERATION OF BMC (HEXAPOLE)
MAGNET
The respective dot positions result from moving each magnet interact.
Perform the following adjustments while tracking.
1. Use the BMC tabs to adjust the red, green and blue dots so that
they line up at the center of the screen (move the dots in a horizontal
direction).
HMC Correction
A < B
G
R
A
R G B
A=B
A
VMC Correction
C < D
C=D
R R
C
G
G
D
B B
HMC Correction
A > B
B
B A
R G B
A=B
B A
VMC Correction
C < D
C=D
R
C
G
D
B

2-3.3. TLH PLATE ADJUSTMENT

Preparation:
• Input a cross hatch pattern signal.
• Adjust unbalanced horizontal convergence of red and blue dots by
adjusting the TLH Plate on the defl ection yoke.
G B
R
WX Board
B
B
RV9001
B R
R
(B)(R)
(R)(B)
G
Adjust XCV core to balance X axis.
B
2. Adjust the vertical red and blue convergence with V.TILT (TLV VR).
Note: Perform adjustments while tracking Item 1.

2-3.4. SCREEN-CORNER CONVERGENCE

Preparation:
• Input a cross hatch pattern signal.
1. Affi x a permalloy assembly corresponding to the misconverged areas.
b
— 14 —
TLV
XCV
R B TLH+
TLH-
a
c
KV-30HS510
TLH Plate
1.
a b
a-d: screen-corner
misconvergence
c d
d