Sony Trinitron PVM-14N1E - Convergence Adjusment S

14 inch
Purity control
Purity control
3-6. CONVERGENCE ADJUSTMENT
1. Input a dot pattern signal.
CONTRAST ....... Position providing good vision
BRIGHTNESS.... MIN
2. Align the horizontal R, G, and B dots at the center of the
screen with the H-STAT VR. (*1)
Purity *1: If the H-CENTER adjustment was after the H-STAT
adjustment, re-adjust the H-STAT.
(The H-CENT SW changes the H-STAT too.)
3. Align the R, G, and B at the center of the screen with the
V-STAT magnets. (*2)
*2: After the V-STAT adjustment, paint on the knobs to lock
them.
Deflection yoke 1 r | ty
«| +> +>
A B A B
20 inch
X X
Purity control Purity control
Purity
Y Y
Deflection yoke
Good example Bad example
If the A and B knobs are not
symmetrical (I=I’), this has
bad effects. The focus may de-
teriorate and beam striking
may occur.
V-STAT magnet knobs
While keeping the angles
for A and B equal (I=I’),
align the vertical conver-
gence.
4. For HMC, use the 6-pole magnet to adjust the R andB dots to
be symmetrical left and right about the G dot. (*1)
Se | I' /
A'=A ‘ “
t+) | 0 R G B
Fig. 1 ‘ .
‘ ; @ 0
A i
>
G
_
G
+
|
+>
Fig. 2 Fig. 3 Fig. 4
6-pole magnet
The HMC adjustment Adjust the 6-pole na gnet so
changes the opening of the that A=A’. You mustmiaintain
G
i
a
G
6-pole
magnet.
the
relationship
I:F’
while
moving the magnet.
Fig.
5
Fig.
6
Fig.
7
Fig. 8 Fig. 9 Fig. 10