Convergence - Sony Multiscan CPD-1404S Service Manual

CPD-1404S
3-2.
CONVERGENCE
(1) Horizontal and Vertical Static Convergence
Adjustment on the Centre of Screen.
• Before starting. perform V. SIZE. V. CENT, H. SIZE.
H. CENT and Screen Distortion adjustment rightly.
(Static Convergence Adjustment)
1. Receive a dot signal and Set CONTRAST to normal.
2. Adjust H. STAT VR to coincide red. green and
blue dots on the centre of screen. (Horizontal
movement)
3. Adjust V. STAT magnet to coincide red. green and
blue dots on the centre of screen. (Vertical
movement)
V.
STAT Magnet
*
If the red, green and blue dots do not coincide
on the centre of screen with H. STAT VR, perform
adjustment using V. STAT at the same time while
tracking.
(
Tilt the V. STAT magnet and adjust static con-)
vergence to open or close the V. STAT magnet.
• When the V, STAT magnet is moved in the
direction of arrow
®
and @. red, green and blue
dots' move as shown below.
CD
When IT1Qving the V. STAT Magnet open or close.
®
@
I
'\
-4+-~f,-
R
I
R
I
~
When moving the V. STAT magnet counterclock-
wise.
~
I
R
G B
~i~
@ When moving the V. STAT magnet clockwise.
@ When tilt the V. STAT magnet and open or close.
*
If the red and green dots do not coincide with
blue dot, adjustment with BMC (6-poles) magnet.
• HMC and VMC correction for BMC (6-Poles)
magnet.
1. HMC (Horizontal Misconvergence) correction and
motion of the Electron Beam with the BMC (6-
poles) magnet.
HMC Correction (A) HMC Correction (B)
-12-
a<b R G B
00 0
U-J
a
b
R "'G B
a=b
0 0 0
~
a b
a>b
R G B
o
00
l-LJ
a
b
R
"G
B
a=b
0 0 0
t.......L-.l
a
b
•
•
•
•
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