Sylvania SRT2232S Service Manual page 20

4. Loosen the screw on the Deflection Yoke Clamper
and pull the Deflection Yoke back away from the
screen. (See Fig. 6)
5. Loosen the Ring Lock and adjust the Purity Mag-
nets so that a red field is obtained at the center of
the screen. Tighten Ring Lock. (See Fig. 5,6)
6. Slowly push the Deflection Yoke toward bell of
CRT and set it where a uniform red field is ob-
tained.
7. Tighten the clamp screw on the Deflection Yoke.
15-2. VRS Adjustment
1. Connect Oscilloscope and get the cross hatch pat-
tern.
2. Adjust the two magnets for VRS adjustment like
the below figure so that the cross hatch pattern be-
comes flat.
16-1. 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
C.P. Magnet
--- C.P. Magnet
Deflection Yoke
Tape
---
Deflection Yoke
C.P. MAGNET (RB)
R
B
C.B. MAGNET (RB-G)
RB
G
5-7
Adj. Point Mode
(RB),
---
(RB-G),
M. EQ.
Pattern
See below.
Generator
Figures
22mm
6-polar convergence magnet
4-polar convergence magnet
VRS magnet
Purity magnet
G
RB
Input
Dot Pattern
or
Crosshatch
Spec.
Fig. 6
R
G
B
Fig. 7
G
Fig. 8
L6250EA