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5-7 L2401EA
17. Convergence Adjustment
Purpose: To obtain proper convergence of red, green
and blue beams.
Symptom of Misadjustment: If Convergence Adjust-
ment is incorrect, the edge of white letters may have
color edges.
1. Loosen the Ring Lock and align red with blue dots
or Crosshatch at the center of the screen by rotat-
ing (RB) C.P. Magnets. (See Fig. 7)
2. Align red / blue with green dots at the center of the
screen by rotating (RB-G) C.P. Magnet. (See Fig. 8)
3. Paintlock the C.P. Magnets after adjustment.
4. Remove the DY Wedges and slightly tilt the De-
flection Yoke horizontally and vertically to obtain
the best overall convergence.
5. Fix the Deflection Yoke by carefully inserting the
DY Wedges between CRT and Deflection Yoke.
Test Point Adj. Point Mode Input
---
C.P. Magnet
(RB),
C.P. Magnet
(RB-G),
Deflection Yoke
---
Dot Pattern
or
Crosshatch
Tape M. EQ. Spec.
---
Pattern
Generator
See below.
Figures
Fig. 6
B
G
R
R
G
B
C.P. MAGNET (RB)
Fig. 7
RB
G
RB
G
C.B. MAGNET (RB-G)
Fig. 8
DY WEDGE
DEFLECTION YOKE
C.P. MAGNET
RING LOCK
SCREW
SCREW
RB-GRB
PURITY
CRT
COIL
COIL CLAMPER
C.P. MAGNET CLAMPER