Read Sony KV-21R1A Service Manual online
KV-21R1
— 17 —
3.
When the V.STAT magnet is moved in the direction of
the a and b arrows, the Red, Green and Blue
dots move as shown below.
the a and b arrows, the Red, Green and Blue
dots move as shown below.
If the Red and Blue dots do not converge with the Green
dots, perform the following steps.
1.
dots, perform the following steps.
1.
Move the BMC magnet (a) to correct for insufficient
H.static convergence.
H.static convergence.
2.
Rotate the BMC magnet (b) to correct for insufficient
V.static convergence.
V.static convergence.
In either case, repeat the Beam Landing Adjustment.
BMC magnet
(a)
(b)
3-2. CONVERGENCE
Preparation:
•
Before starting, perform FOCUS, H.SIZE, and V.SIZE
adjustments.
adjustments.
•
Set the BRIGHTNESS control to minimum.
•
Input a dot pattern from the pattern generator.
(1) Horizontal and Vertical Static Convergence
1.
Adjust the H.STAT control to converge the Red, Green and
Blue dots at the centre of the screen. (Horizontal movement)
Blue dots at the centre of the screen. (Horizontal movement)
2.
Adjust the V.STAT magnet to converge the Red, Green and
Blue dots at the centre of the screen. (Vertical movement)
Blue dots at the centre of the screen. (Vertical movement)
•
If the horizontal dots cannot coincide with variable range of
the H.STAT convergence, adjust together with the V.STAT
convergence while tracking.
(Adjust the convergence by tilting the V.STAT convergence
or by opening or closing the V.STAT convergence.)
the H.STAT convergence, adjust together with the V.STAT
convergence while tracking.
(Adjust the convergence by tilting the V.STAT convergence
or by opening or closing the V.STAT convergence.)
b
b
a
a
b
R
G
B
B
G
R
b
b
B
G
R
R
G
B
a
R
G
B
a
R
G
B
b
( 1 )
( 2 )
( 3 )
Centre dot
H.STAT Control
V.STAT Magnet
RV701 SCREEN
RV702 H.STAT
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