V-Pin And V-Cen Adjustment; Convergence; 2-3.1. Vertical And Horizontal Static Convergence; 2-3.2. Operation Of Bmc (Hexapole) Magnet - Sony TRINITRON KV-42DRC700 Service Manual

2-2. V-PIN AND V-CEN ADJUSTMENT

Preparation:
• Input a cross hatch pattern signal.
• Face the picture tube in a North/South direction and correct rotation.
• Set Video Mode to: Standard (Reset)
1. Adjust service mode CXA2150D-1 04 V-CEN so that the top pin and
bottom pin are symmetrical from top to bottom.
2. Adjust service mode CXA2150D-1 05 V-PIN so that the top pin and
bottom pin are symmetrical from top to bottom.
3. Lines should be straight from left to right. Check landing for side
effect.
2-3. CONVERGENGE
Preparation:
• Set the CONTRAST and BRIGHTNESS control to 50%.
• Input HD dot pattern.
2-3.1. VERTICAL AND HORIZONTAL STATIC

CONVERGENCE

1. Disconnect the dynamic convergence before adjusting static
convergence (CN5510), except for minor touch-up.
2. Adjust H.STAT convergence, RV9001, to converge red, green, and
blue dots in the center of the screen.
3. Adjust V. STAT magnet to converge red, green and blue dots in the
center of the screen.
Center dot
RV9001
R G B
V.STAT
4. Tilt the V.STAT magnet and adjust static convergence to open or close
the V.STAT magnet.
1
R
G
B
V.STAT magnet
B B
G G
R R
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 V.STAT 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
R
A=B
VMC Correction
C < D
R
C
G
D
B

2-3.3. TLH PLATE ADJUSTMENT

Preparation:
• Input a cross hatch pattern signal.
• Adjust PICTURE QUALITY to Standard, PICTURE and
BRIGHTNESS to 50%, and OTHER to Standard.
• Adjust unbalanced horizontal convergence of red and blue dots by
adjusting the TLH Plate on the defl ection yoke.
RV9002
C Board
RV9001
B R
(R)(B)
1. Adjust XCV core to balance X axis.
2. Adjust the vertical red and blue convergence with V.TILT (TLV VR).
Note: Perform adjustments while tracking Item 1.
— 12 —
HMC Correction
G B
A B
R G B
A=B
A B
VMC Correction
C < D
C=D
R R
C
G
G
D
B B
TLV
XCV
W Board
R B TLH+
(B)(R) TLH-
KV-42DRC700
A > B
G B
R
A B
R G B
A B
C=D
R
G
B
TLH Plate