Convergence adjustment – Sylvania SRT2232X User Manual

Page 22

5-9

L6650EA

21. 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

Crosshatch

Tape

M. EQ.

Spec.

---

Pattern

Generator

See below.

Figures

DY WEDGE

DEFLECTION YOKE

C.P. MAGNET

RING LOCK

SCREW

RB-G

PURITY

CRT

COIL

COIL CLAMPER

C.P. MAGNET CLAMPER

Fig. 6

Fig. 7

C.P. MAGNET (RB)

Fig. 8

C.B. MAGNET (RB-G)