2-2. Convergence - Sony TRINITRON KV-21CT1B Servicehandbuch

2-2. CONVERGENCE

Preparation:
• Before starting this adjustment, adjust the focus,
horizontal size and vertical size.
• Receive dot/hatch signal.
• Picture Mode : MOVIE
(A) Horizontal and Vertical Static Convergence
Centre dot
R G B
H. STAT VR
1. (Moving vertically), adjust the V.STAT magnet so that
the red, green and blue dots are on top of each other at
ther centre of the screen.
2. (Moving horizontally), adjust the H.STAT VR control so
that the red, green and blue dots are on top of each
other at the centre of the screen.
3. BMC (Hexapole)Magnet
If the red, green and blue dots are not balanced or
aligned then use the BMC magnet to adjust in the
manner described below.
B G R R
R B
R
G
R
G
B
V. STAT
Magnet
C Board
RV750
G B R G B
G B G
R B
KV-21CT1B/21CT1U/21CT1E/21CT1K
4. If the H.STAT variable resistor cannot bring the red,
green and blue dots together at the centre of the
screen, adjust the horizontal convergence with the H.
STAT variable resistor and the V.STAT magnet in the
manner given below.
(In this case, the H.STAT variable resistor and the
V.STAT magnet influence each other, so be sure to
perform adjustments while tracking.)
Purity
DY pocket
V.STAT
Operation of V.STAT magnet.
If the V.STAT is moved in the "A" and "B" arrows, the red,
green and blue dots moves as shown below.
Moved RV750 H.STAT the red, green and blue dots move
as shown below.
R
– 11 –
BMC
BMC (Hexapole)
Purity
V.STAT
A B
B B
G G
R R
A B
G B B G R
RM-W100