Read Sony KV-29AL40 Service Manual online
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15
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KV-29AL40/KV-29AL40A/KV-29AL40C
If the blue dot does not converge with red and green dots, perform
the following steps:
the following steps:
• Move BMC magnet (a) to correct insufficient H. Static conver-
gence.
gence.
• Rotate BMC magnet (b) to correct insufficient V. Static conver-
gence.
gence.
In either case, repeat Beam Landing Adjustment.
( 2 ) Dynamic Convergence Adjustment
Preparation:
• Before starting, perform Horizontal and Vertical Static
Convergence Adjustment.
1.
Slightly loosen deflection yoke screw.
2.
Remove deflection yoke spacers.
3.
Move the deflection yoke for best convergence as shown
below. ( Fig. 8)
below. ( Fig. 8)
4.
Tighten the deflection yoke screw.
5.
Install the deflection yoke spacers.
3-2. CONVERGENCE
Preparation:
• Before starting, perform FOCUS, V. LIN and V. SIZE
adjustments.
• Set BRIGHTNESS control to minimum.
• Feed in dot pattern.
• Feed in dot pattern.
(1) Vertical Static Convergence
1.
Adjust V. STAT magnet to converge red, green and blue dots in
the center of the screen. (Vertical movement)
Tilt the V. STAT magnet and adjust static convergence to open or
close the V. STAT magnet.
close the V. STAT magnet.
2.
When the V. STAT magnet is moved in the direction of arrow a
and b, red, green, and blue dots move as shown below:
R
Center dot
G
B
R
G
B
V. STAT magnet
V. STAT magnet
Fig. 5
BMC magnet
Fig. 7
B G R
B
G
R
G
R
B
G
R
R
G
B
R G B
R G B
R G B
B G R
R G B
R
G
B
G
B
R
G
B
B G R
Fig. 8
a
b
BMC
magnet
magnet
b
Purity
V. STAT
BMC magnet
B
R
G
B
R
G
R
G
B
G
R
B
G
B
R
B
G
R
a
b
a
b
b
a
b
b
a
b
b
1
2
3
Fig. 6
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