Read Sony KV-30XBR910 Service Manual online
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KV-30XBR910/34XBR910
2-3. CONVERGENCE
Preparation:
• Set the CONTRAST and BRIGHTNESS control to standard (reset).
• Set the CONTRAST and BRIGHTNESS control to standard (reset).
• Input a cross hatch pattern signal.
2-3.1. VERTICAL AND HORIZONTAL STATIC
CONVERGENCE
1. Disconnect the dynamic convergence before adjusting static
convergence (CN903), 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. Connect dynamic convergence back.
4. Adjust V. STAT magnet to converge red, green and blue dots in the
center of the screen.
R
G
B
Center dot
RV9001
H-STAT
V.STAT magnet
R G B
5. Tilt the V.STAT magnet and adjust static convergence to open or close
the V.STAT magnet.
B
G
R
R
B
G
R
R
1
8. Set corner landing adjustments.
To get optimal landing, adjust LT, LB, RT, and RB with Service Data -/+
70.
70.
NOTE: If landing adjustment exceeds the limit, as a last resort you can
adjust it by using the disk magnets.
a
c
b
d
b
a
c
d
Purity control
corrects this area
Disk magnets
or rotatable disk
magnets correct
magnets correct
these areas (a-d)
Deflection yoke positioning
corrects these areas
2-2. V-PIN AND V-CEN ADJUSTMENT
Preparation:
• Input a cross hatch pattern signal.
• Input a cross hatch pattern signal.
• Set Video Mode to: Standard (Reset)
• For all 4X3 CRT, VPIN data has separate register for full and V-
compress. Adjust both modes if needed.
1. Adjust service mode CXA2170D-1 05 V-CEN so that the top pin and
bottom pin are symmetrical from top to bottom.
2. Adjust service mode CXA2170D-1 06 V-PIN so that the top pin and
bottom pin are symmetrical from top to bottom.
3. Horizontal lines should be straight from left to right. Check landing for
side effect.
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