Convergence Adjustment - Sylvania 6319CCB Service Manual

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.
Test Point Adjustment Point
C.P. Magnet
(RB),
--- C.P. Magnet
(RB-G),
Deflection Yoke
Tape M. EQ.
--- Pattern Generator
CRT
DY WEDGE
DEFLECTION YOKE
C.P. MAGNET (RB)
C.P. MAGNET (RB-G)
RB
G
Mode
Dot Pattern
---
Crosshatch
Spec.
See below.
Figures
PURITY RB RB-G
COIL
SCREW
RING LOCK
C.P. MAGNET CLAMPER
C.P. MAGNET
COIL CLAMPER
R
G
B
RB
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 rotating
(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)
Input
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
or
best overall convergence.
6. Fix the Deflection Yoke by carefully inserting the DY
Wedges between CRT and Deflection Yoke.
SCREW
Fig. 6
R
G
B
Fig. 7
G
Fig. 8
1-7-6 T7200EA