Magnavox 19MDTR20 Service Manual page 19

14. 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.
Adj. Point
C.P. Magnet (RB),
C.P. Magnet (RB-G),
Deflection Yoke
M. EQ.
Pattern Generator
Figure
CRT
COIL SCREW
DY WEDGE
COIL CLAMPER
DEFLECTION YOKE
C.P. MAGNET (RB)
R
G
B
C.P. MAGNET (RB-G)
RB
G
1. Set the unit to the AUX mode which is located
before CH2, then input a dot or crosshatch pattern.
2. 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.)
3. Align red / blue with green dots at the center of the
screen by rotating (RB-G) C.P. Magnet.
(See Fig. 8.)
4. Fix the C.P. Magnets by tightening the Ring Lock.
Input
Dot Pattern or
Crosshatch
Spec.
See below.
PURITY
RB
RB-G
RING LOCK
SCREW
C.P. MAGNET
CLAMPER
C.P. MAGNET
Fig. 6
R
G
B
Fig. 7
RB
G
Fig. 8
5. Remove the DY Wedges and slightly tilt the Deflec-
tion Yoke horizontally and vertically to obtain the
best overall convergence.
6. Fix the Deflection Yoke by carefully inserting the
DY Wedges between CRT and Deflection Yoke.
1-4-6 TD857EA