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13. 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.
Test point
Adj. Point
C.P. Magnet (RB),
---
C.P. Magnet (RB-G),
Deflection Yoke
Tape
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
Mode
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
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.
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.
1-6-7
T5553EA
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